diff --git a/scripts/code_generation_hashes/OpenGL_dispatch_table.json b/scripts/code_generation_hashes/OpenGL_dispatch_table.json
index 1b754d0ff..46fbd2bb5 100644
--- a/scripts/code_generation_hashes/OpenGL_dispatch_table.json
+++ b/scripts/code_generation_hashes/OpenGL_dispatch_table.json
@@ -4,11 +4,11 @@
   "src/libANGLE/renderer/angle_format.py":
     "32ba71942c0fd00e6807104f1bb80a3c",
   "src/libANGLE/renderer/gl/DispatchTableGL_autogen.cpp":
-    "02e276847f77b21a1c5d3c4885001ca5",
+    "aa8b6e65dfb22da4cc82207ef4668d4f",
   "src/libANGLE/renderer/gl/DispatchTableGL_autogen.h":
     "bb30a343213143900e8d72dd4b00bcb0",
   "src/libANGLE/renderer/gl/generate_gl_dispatch_table.py":
-    "2aaada12f9932fcd113cd4e9728e676a",
+    "69b2c89e66a92373e600af8be16e5576",
   "src/libANGLE/renderer/gl/gl_bindings_data.json":
     "6f46f537e07b457850c060ef0c7b76c5",
   "src/libANGLE/renderer/gl/null_functions.cpp":
diff --git a/src/libANGLE/renderer/gl/DispatchTableGL_autogen.cpp b/src/libANGLE/renderer/gl/DispatchTableGL_autogen.cpp
index abc1481ba..f121f47e3 100644
--- a/src/libANGLE/renderer/gl/DispatchTableGL_autogen.cpp
+++ b/src/libANGLE/renderer/gl/DispatchTableGL_autogen.cpp
@@ -17,10 +17,11 @@
 #    include "libANGLE/renderer/gl/null_functions.h"
 #endif  // defined(ANGLE_ENABLE_OPENGL_NULL)
 
-// Check for nullptr so extensions do not overwrite core imports.
-#define ASSIGN(NAME, FP) \
-    if (!FP)             \
-    FP = reinterpret_cast<decltype(FP)>(loadProcAddress(NAME))
+#define ASSIGN(NAME, FP)                                            \
+    do                                                              \
+    {                                                               \
+        FP = reinterpret_cast<decltype(FP)>(loadProcAddress(NAME)); \
+    } while (0)
 
 namespace rx
 {
@@ -30,733 +31,6 @@ void DispatchTableGL::initProcsDesktopGL(const gl::Version &version,
                                          const std::set<std::string> &extensions)
 {
 #if defined(ANGLE_ENABLE_OPENGL_DESKTOP)
-    if (version >= gl::Version(1, 0))
-    {
-        ASSIGN("glBlendFunc", blendFunc);
-        ASSIGN("glClear", clear);
-        ASSIGN("glClearColor", clearColor);
-        ASSIGN("glClearDepth", clearDepth);
-        ASSIGN("glClearStencil", clearStencil);
-        ASSIGN("glColorMask", colorMask);
-        ASSIGN("glCullFace", cullFace);
-        ASSIGN("glDepthFunc", depthFunc);
-        ASSIGN("glDepthMask", depthMask);
-        ASSIGN("glDepthRange", depthRange);
-        ASSIGN("glDisable", disable);
-        ASSIGN("glDrawBuffer", drawBuffer);
-        ASSIGN("glEnable", enable);
-        ASSIGN("glFinish", finish);
-        ASSIGN("glFlush", flush);
-        ASSIGN("glFrontFace", frontFace);
-        ASSIGN("glGetBooleanv", getBooleanv);
-        ASSIGN("glGetDoublev", getDoublev);
-        ASSIGN("glGetError", getError);
-        ASSIGN("glGetFloatv", getFloatv);
-        ASSIGN("glGetIntegerv", getIntegerv);
-        ASSIGN("glGetString", getString);
-        ASSIGN("glGetTexImage", getTexImage);
-        ASSIGN("glGetTexLevelParameterfv", getTexLevelParameterfv);
-        ASSIGN("glGetTexLevelParameteriv", getTexLevelParameteriv);
-        ASSIGN("glGetTexParameterfv", getTexParameterfv);
-        ASSIGN("glGetTexParameteriv", getTexParameteriv);
-        ASSIGN("glHint", hint);
-        ASSIGN("glIsEnabled", isEnabled);
-        ASSIGN("glLineWidth", lineWidth);
-        ASSIGN("glLogicOp", logicOp);
-        ASSIGN("glPixelStoref", pixelStoref);
-        ASSIGN("glPixelStorei", pixelStorei);
-        ASSIGN("glPointSize", pointSize);
-        ASSIGN("glPolygonMode", polygonMode);
-        ASSIGN("glReadBuffer", readBuffer);
-        ASSIGN("glReadPixels", readPixels);
-        ASSIGN("glScissor", scissor);
-        ASSIGN("glStencilFunc", stencilFunc);
-        ASSIGN("glStencilMask", stencilMask);
-        ASSIGN("glStencilOp", stencilOp);
-        ASSIGN("glTexImage1D", texImage1D);
-        ASSIGN("glTexImage2D", texImage2D);
-        ASSIGN("glTexParameterf", texParameterf);
-        ASSIGN("glTexParameterfv", texParameterfv);
-        ASSIGN("glTexParameteri", texParameteri);
-        ASSIGN("glTexParameteriv", texParameteriv);
-        ASSIGN("glViewport", viewport);
-    }
-
-    if (version >= gl::Version(1, 1))
-    {
-        ASSIGN("glBindTexture", bindTexture);
-        ASSIGN("glCopyTexImage1D", copyTexImage1D);
-        ASSIGN("glCopyTexImage2D", copyTexImage2D);
-        ASSIGN("glCopyTexSubImage1D", copyTexSubImage1D);
-        ASSIGN("glCopyTexSubImage2D", copyTexSubImage2D);
-        ASSIGN("glDeleteTextures", deleteTextures);
-        ASSIGN("glDrawArrays", drawArrays);
-        ASSIGN("glDrawElements", drawElements);
-        ASSIGN("glGenTextures", genTextures);
-        ASSIGN("glIsTexture", isTexture);
-        ASSIGN("glPolygonOffset", polygonOffset);
-        ASSIGN("glTexSubImage1D", texSubImage1D);
-        ASSIGN("glTexSubImage2D", texSubImage2D);
-    }
-
-    if (version >= gl::Version(1, 2))
-    {
-        ASSIGN("glCopyTexSubImage3D", copyTexSubImage3D);
-        ASSIGN("glDrawRangeElements", drawRangeElements);
-        ASSIGN("glTexImage3D", texImage3D);
-        ASSIGN("glTexSubImage3D", texSubImage3D);
-    }
-
-    if (version >= gl::Version(1, 3))
-    {
-        ASSIGN("glActiveTexture", activeTexture);
-        ASSIGN("glCompressedTexImage1D", compressedTexImage1D);
-        ASSIGN("glCompressedTexImage2D", compressedTexImage2D);
-        ASSIGN("glCompressedTexImage3D", compressedTexImage3D);
-        ASSIGN("glCompressedTexSubImage1D", compressedTexSubImage1D);
-        ASSIGN("glCompressedTexSubImage2D", compressedTexSubImage2D);
-        ASSIGN("glCompressedTexSubImage3D", compressedTexSubImage3D);
-        ASSIGN("glGetCompressedTexImage", getCompressedTexImage);
-        ASSIGN("glSampleCoverage", sampleCoverage);
-    }
-
-    if (version >= gl::Version(1, 4))
-    {
-        ASSIGN("glBlendColor", blendColor);
-        ASSIGN("glBlendEquation", blendEquation);
-        ASSIGN("glBlendFuncSeparate", blendFuncSeparate);
-        ASSIGN("glMultiDrawArrays", multiDrawArrays);
-        ASSIGN("glMultiDrawElements", multiDrawElements);
-        ASSIGN("glPointParameterf", pointParameterf);
-        ASSIGN("glPointParameterfv", pointParameterfv);
-        ASSIGN("glPointParameteri", pointParameteri);
-        ASSIGN("glPointParameteriv", pointParameteriv);
-    }
-
-    if (version >= gl::Version(1, 5))
-    {
-        ASSIGN("glBeginQuery", beginQuery);
-        ASSIGN("glBindBuffer", bindBuffer);
-        ASSIGN("glBufferData", bufferData);
-        ASSIGN("glBufferSubData", bufferSubData);
-        ASSIGN("glDeleteBuffers", deleteBuffers);
-        ASSIGN("glDeleteQueries", deleteQueries);
-        ASSIGN("glEndQuery", endQuery);
-        ASSIGN("glGenBuffers", genBuffers);
-        ASSIGN("glGenQueries", genQueries);
-        ASSIGN("glGetBufferParameteriv", getBufferParameteriv);
-        ASSIGN("glGetBufferPointerv", getBufferPointerv);
-        ASSIGN("glGetBufferSubData", getBufferSubData);
-        ASSIGN("glGetQueryObjectiv", getQueryObjectiv);
-        ASSIGN("glGetQueryObjectuiv", getQueryObjectuiv);
-        ASSIGN("glGetQueryiv", getQueryiv);
-        ASSIGN("glIsBuffer", isBuffer);
-        ASSIGN("glIsQuery", isQuery);
-        ASSIGN("glMapBuffer", mapBuffer);
-        ASSIGN("glUnmapBuffer", unmapBuffer);
-    }
-
-    if (version >= gl::Version(2, 0))
-    {
-        ASSIGN("glAttachShader", attachShader);
-        ASSIGN("glBindAttribLocation", bindAttribLocation);
-        ASSIGN("glBlendEquationSeparate", blendEquationSeparate);
-        ASSIGN("glCompileShader", compileShader);
-        ASSIGN("glCreateProgram", createProgram);
-        ASSIGN("glCreateShader", createShader);
-        ASSIGN("glDeleteProgram", deleteProgram);
-        ASSIGN("glDeleteShader", deleteShader);
-        ASSIGN("glDetachShader", detachShader);
-        ASSIGN("glDisableVertexAttribArray", disableVertexAttribArray);
-        ASSIGN("glDrawBuffers", drawBuffers);
-        ASSIGN("glEnableVertexAttribArray", enableVertexAttribArray);
-        ASSIGN("glGetActiveAttrib", getActiveAttrib);
-        ASSIGN("glGetActiveUniform", getActiveUniform);
-        ASSIGN("glGetAttachedShaders", getAttachedShaders);
-        ASSIGN("glGetAttribLocation", getAttribLocation);
-        ASSIGN("glGetProgramInfoLog", getProgramInfoLog);
-        ASSIGN("glGetProgramiv", getProgramiv);
-        ASSIGN("glGetShaderInfoLog", getShaderInfoLog);
-        ASSIGN("glGetShaderSource", getShaderSource);
-        ASSIGN("glGetShaderiv", getShaderiv);
-        ASSIGN("glGetUniformLocation", getUniformLocation);
-        ASSIGN("glGetUniformfv", getUniformfv);
-        ASSIGN("glGetUniformiv", getUniformiv);
-        ASSIGN("glGetVertexAttribPointerv", getVertexAttribPointerv);
-        ASSIGN("glGetVertexAttribdv", getVertexAttribdv);
-        ASSIGN("glGetVertexAttribfv", getVertexAttribfv);
-        ASSIGN("glGetVertexAttribiv", getVertexAttribiv);
-        ASSIGN("glIsProgram", isProgram);
-        ASSIGN("glIsShader", isShader);
-        ASSIGN("glLinkProgram", linkProgram);
-        ASSIGN("glShaderSource", shaderSource);
-        ASSIGN("glStencilFuncSeparate", stencilFuncSeparate);
-        ASSIGN("glStencilMaskSeparate", stencilMaskSeparate);
-        ASSIGN("glStencilOpSeparate", stencilOpSeparate);
-        ASSIGN("glUniform1f", uniform1f);
-        ASSIGN("glUniform1fv", uniform1fv);
-        ASSIGN("glUniform1i", uniform1i);
-        ASSIGN("glUniform1iv", uniform1iv);
-        ASSIGN("glUniform2f", uniform2f);
-        ASSIGN("glUniform2fv", uniform2fv);
-        ASSIGN("glUniform2i", uniform2i);
-        ASSIGN("glUniform2iv", uniform2iv);
-        ASSIGN("glUniform3f", uniform3f);
-        ASSIGN("glUniform3fv", uniform3fv);
-        ASSIGN("glUniform3i", uniform3i);
-        ASSIGN("glUniform3iv", uniform3iv);
-        ASSIGN("glUniform4f", uniform4f);
-        ASSIGN("glUniform4fv", uniform4fv);
-        ASSIGN("glUniform4i", uniform4i);
-        ASSIGN("glUniform4iv", uniform4iv);
-        ASSIGN("glUniformMatrix2fv", uniformMatrix2fv);
-        ASSIGN("glUniformMatrix3fv", uniformMatrix3fv);
-        ASSIGN("glUniformMatrix4fv", uniformMatrix4fv);
-        ASSIGN("glUseProgram", useProgram);
-        ASSIGN("glValidateProgram", validateProgram);
-        ASSIGN("glVertexAttrib1d", vertexAttrib1d);
-        ASSIGN("glVertexAttrib1dv", vertexAttrib1dv);
-        ASSIGN("glVertexAttrib1f", vertexAttrib1f);
-        ASSIGN("glVertexAttrib1fv", vertexAttrib1fv);
-        ASSIGN("glVertexAttrib1s", vertexAttrib1s);
-        ASSIGN("glVertexAttrib1sv", vertexAttrib1sv);
-        ASSIGN("glVertexAttrib2d", vertexAttrib2d);
-        ASSIGN("glVertexAttrib2dv", vertexAttrib2dv);
-        ASSIGN("glVertexAttrib2f", vertexAttrib2f);
-        ASSIGN("glVertexAttrib2fv", vertexAttrib2fv);
-        ASSIGN("glVertexAttrib2s", vertexAttrib2s);
-        ASSIGN("glVertexAttrib2sv", vertexAttrib2sv);
-        ASSIGN("glVertexAttrib3d", vertexAttrib3d);
-        ASSIGN("glVertexAttrib3dv", vertexAttrib3dv);
-        ASSIGN("glVertexAttrib3f", vertexAttrib3f);
-        ASSIGN("glVertexAttrib3fv", vertexAttrib3fv);
-        ASSIGN("glVertexAttrib3s", vertexAttrib3s);
-        ASSIGN("glVertexAttrib3sv", vertexAttrib3sv);
-        ASSIGN("glVertexAttrib4Nbv", vertexAttrib4Nbv);
-        ASSIGN("glVertexAttrib4Niv", vertexAttrib4Niv);
-        ASSIGN("glVertexAttrib4Nsv", vertexAttrib4Nsv);
-        ASSIGN("glVertexAttrib4Nub", vertexAttrib4Nub);
-        ASSIGN("glVertexAttrib4Nubv", vertexAttrib4Nubv);
-        ASSIGN("glVertexAttrib4Nuiv", vertexAttrib4Nuiv);
-        ASSIGN("glVertexAttrib4Nusv", vertexAttrib4Nusv);
-        ASSIGN("glVertexAttrib4bv", vertexAttrib4bv);
-        ASSIGN("glVertexAttrib4d", vertexAttrib4d);
-        ASSIGN("glVertexAttrib4dv", vertexAttrib4dv);
-        ASSIGN("glVertexAttrib4f", vertexAttrib4f);
-        ASSIGN("glVertexAttrib4fv", vertexAttrib4fv);
-        ASSIGN("glVertexAttrib4iv", vertexAttrib4iv);
-        ASSIGN("glVertexAttrib4s", vertexAttrib4s);
-        ASSIGN("glVertexAttrib4sv", vertexAttrib4sv);
-        ASSIGN("glVertexAttrib4ubv", vertexAttrib4ubv);
-        ASSIGN("glVertexAttrib4uiv", vertexAttrib4uiv);
-        ASSIGN("glVertexAttrib4usv", vertexAttrib4usv);
-        ASSIGN("glVertexAttribPointer", vertexAttribPointer);
-    }
-
-    if (version >= gl::Version(2, 1))
-    {
-        ASSIGN("glUniformMatrix2x3fv", uniformMatrix2x3fv);
-        ASSIGN("glUniformMatrix2x4fv", uniformMatrix2x4fv);
-        ASSIGN("glUniformMatrix3x2fv", uniformMatrix3x2fv);
-        ASSIGN("glUniformMatrix3x4fv", uniformMatrix3x4fv);
-        ASSIGN("glUniformMatrix4x2fv", uniformMatrix4x2fv);
-        ASSIGN("glUniformMatrix4x3fv", uniformMatrix4x3fv);
-    }
-
-    if (version >= gl::Version(3, 0))
-    {
-        ASSIGN("glBeginConditionalRender", beginConditionalRender);
-        ASSIGN("glBeginTransformFeedback", beginTransformFeedback);
-        ASSIGN("glBindBufferBase", bindBufferBase);
-        ASSIGN("glBindBufferRange", bindBufferRange);
-        ASSIGN("glBindFragDataLocation", bindFragDataLocation);
-        ASSIGN("glBindFramebuffer", bindFramebuffer);
-        ASSIGN("glBindRenderbuffer", bindRenderbuffer);
-        ASSIGN("glBindVertexArray", bindVertexArray);
-        ASSIGN("glBlitFramebuffer", blitFramebuffer);
-        ASSIGN("glCheckFramebufferStatus", checkFramebufferStatus);
-        ASSIGN("glClampColor", clampColor);
-        ASSIGN("glClearBufferfi", clearBufferfi);
-        ASSIGN("glClearBufferfv", clearBufferfv);
-        ASSIGN("glClearBufferiv", clearBufferiv);
-        ASSIGN("glClearBufferuiv", clearBufferuiv);
-        ASSIGN("glColorMaski", colorMaski);
-        ASSIGN("glDeleteFramebuffers", deleteFramebuffers);
-        ASSIGN("glDeleteRenderbuffers", deleteRenderbuffers);
-        ASSIGN("glDeleteVertexArrays", deleteVertexArrays);
-        ASSIGN("glDisablei", disablei);
-        ASSIGN("glEnablei", enablei);
-        ASSIGN("glEndConditionalRender", endConditionalRender);
-        ASSIGN("glEndTransformFeedback", endTransformFeedback);
-        ASSIGN("glFlushMappedBufferRange", flushMappedBufferRange);
-        ASSIGN("glFramebufferRenderbuffer", framebufferRenderbuffer);
-        ASSIGN("glFramebufferTexture1D", framebufferTexture1D);
-        ASSIGN("glFramebufferTexture2D", framebufferTexture2D);
-        ASSIGN("glFramebufferTexture3D", framebufferTexture3D);
-        ASSIGN("glFramebufferTextureLayer", framebufferTextureLayer);
-        ASSIGN("glGenFramebuffers", genFramebuffers);
-        ASSIGN("glGenRenderbuffers", genRenderbuffers);
-        ASSIGN("glGenVertexArrays", genVertexArrays);
-        ASSIGN("glGenerateMipmap", generateMipmap);
-        ASSIGN("glGetBooleani_v", getBooleani_v);
-        ASSIGN("glGetFragDataLocation", getFragDataLocation);
-        ASSIGN("glGetFramebufferAttachmentParameteriv", getFramebufferAttachmentParameteriv);
-        ASSIGN("glGetIntegeri_v", getIntegeri_v);
-        ASSIGN("glGetRenderbufferParameteriv", getRenderbufferParameteriv);
-        ASSIGN("glGetStringi", getStringi);
-        ASSIGN("glGetTexParameterIiv", getTexParameterIiv);
-        ASSIGN("glGetTexParameterIuiv", getTexParameterIuiv);
-        ASSIGN("glGetTransformFeedbackVarying", getTransformFeedbackVarying);
-        ASSIGN("glGetUniformuiv", getUniformuiv);
-        ASSIGN("glGetVertexAttribIiv", getVertexAttribIiv);
-        ASSIGN("glGetVertexAttribIuiv", getVertexAttribIuiv);
-        ASSIGN("glIsEnabledi", isEnabledi);
-        ASSIGN("glIsFramebuffer", isFramebuffer);
-        ASSIGN("glIsRenderbuffer", isRenderbuffer);
-        ASSIGN("glIsVertexArray", isVertexArray);
-        ASSIGN("glMapBufferRange", mapBufferRange);
-        ASSIGN("glRenderbufferStorage", renderbufferStorage);
-        ASSIGN("glRenderbufferStorageMultisample", renderbufferStorageMultisample);
-        ASSIGN("glTexParameterIiv", texParameterIiv);
-        ASSIGN("glTexParameterIuiv", texParameterIuiv);
-        ASSIGN("glTransformFeedbackVaryings", transformFeedbackVaryings);
-        ASSIGN("glUniform1ui", uniform1ui);
-        ASSIGN("glUniform1uiv", uniform1uiv);
-        ASSIGN("glUniform2ui", uniform2ui);
-        ASSIGN("glUniform2uiv", uniform2uiv);
-        ASSIGN("glUniform3ui", uniform3ui);
-        ASSIGN("glUniform3uiv", uniform3uiv);
-        ASSIGN("glUniform4ui", uniform4ui);
-        ASSIGN("glUniform4uiv", uniform4uiv);
-        ASSIGN("glVertexAttribI1i", vertexAttribI1i);
-        ASSIGN("glVertexAttribI1iv", vertexAttribI1iv);
-        ASSIGN("glVertexAttribI1ui", vertexAttribI1ui);
-        ASSIGN("glVertexAttribI1uiv", vertexAttribI1uiv);
-        ASSIGN("glVertexAttribI2i", vertexAttribI2i);
-        ASSIGN("glVertexAttribI2iv", vertexAttribI2iv);
-        ASSIGN("glVertexAttribI2ui", vertexAttribI2ui);
-        ASSIGN("glVertexAttribI2uiv", vertexAttribI2uiv);
-        ASSIGN("glVertexAttribI3i", vertexAttribI3i);
-        ASSIGN("glVertexAttribI3iv", vertexAttribI3iv);
-        ASSIGN("glVertexAttribI3ui", vertexAttribI3ui);
-        ASSIGN("glVertexAttribI3uiv", vertexAttribI3uiv);
-        ASSIGN("glVertexAttribI4bv", vertexAttribI4bv);
-        ASSIGN("glVertexAttribI4i", vertexAttribI4i);
-        ASSIGN("glVertexAttribI4iv", vertexAttribI4iv);
-        ASSIGN("glVertexAttribI4sv", vertexAttribI4sv);
-        ASSIGN("glVertexAttribI4ubv", vertexAttribI4ubv);
-        ASSIGN("glVertexAttribI4ui", vertexAttribI4ui);
-        ASSIGN("glVertexAttribI4uiv", vertexAttribI4uiv);
-        ASSIGN("glVertexAttribI4usv", vertexAttribI4usv);
-        ASSIGN("glVertexAttribIPointer", vertexAttribIPointer);
-    }
-
-    if (version >= gl::Version(3, 1))
-    {
-        ASSIGN("glCopyBufferSubData", copyBufferSubData);
-        ASSIGN("glDrawArraysInstanced", drawArraysInstanced);
-        ASSIGN("glDrawElementsInstanced", drawElementsInstanced);
-        ASSIGN("glGetActiveUniformBlockName", getActiveUniformBlockName);
-        ASSIGN("glGetActiveUniformBlockiv", getActiveUniformBlockiv);
-        ASSIGN("glGetActiveUniformName", getActiveUniformName);
-        ASSIGN("glGetActiveUniformsiv", getActiveUniformsiv);
-        ASSIGN("glGetUniformBlockIndex", getUniformBlockIndex);
-        ASSIGN("glGetUniformIndices", getUniformIndices);
-        ASSIGN("glPrimitiveRestartIndex", primitiveRestartIndex);
-        ASSIGN("glTexBuffer", texBuffer);
-        ASSIGN("glUniformBlockBinding", uniformBlockBinding);
-    }
-
-    if (version >= gl::Version(3, 2))
-    {
-        ASSIGN("glClientWaitSync", clientWaitSync);
-        ASSIGN("glDeleteSync", deleteSync);
-        ASSIGN("glDrawElementsBaseVertex", drawElementsBaseVertex);
-        ASSIGN("glDrawElementsInstancedBaseVertex", drawElementsInstancedBaseVertex);
-        ASSIGN("glDrawRangeElementsBaseVertex", drawRangeElementsBaseVertex);
-        ASSIGN("glFenceSync", fenceSync);
-        ASSIGN("glFramebufferTexture", framebufferTexture);
-        ASSIGN("glGetBufferParameteri64v", getBufferParameteri64v);
-        ASSIGN("glGetInteger64i_v", getInteger64i_v);
-        ASSIGN("glGetInteger64v", getInteger64v);
-        ASSIGN("glGetMultisamplefv", getMultisamplefv);
-        ASSIGN("glGetSynciv", getSynciv);
-        ASSIGN("glIsSync", isSync);
-        ASSIGN("glMultiDrawElementsBaseVertex", multiDrawElementsBaseVertex);
-        ASSIGN("glProvokingVertex", provokingVertex);
-        ASSIGN("glSampleMaski", sampleMaski);
-        ASSIGN("glTexImage2DMultisample", texImage2DMultisample);
-        ASSIGN("glTexImage3DMultisample", texImage3DMultisample);
-        ASSIGN("glWaitSync", waitSync);
-    }
-
-    if (version >= gl::Version(3, 3))
-    {
-        ASSIGN("glBindFragDataLocationIndexed", bindFragDataLocationIndexed);
-        ASSIGN("glBindSampler", bindSampler);
-        ASSIGN("glDeleteSamplers", deleteSamplers);
-        ASSIGN("glGenSamplers", genSamplers);
-        ASSIGN("glGetFragDataIndex", getFragDataIndex);
-        ASSIGN("glGetQueryObjecti64v", getQueryObjecti64v);
-        ASSIGN("glGetQueryObjectui64v", getQueryObjectui64v);
-        ASSIGN("glGetSamplerParameterIiv", getSamplerParameterIiv);
-        ASSIGN("glGetSamplerParameterIuiv", getSamplerParameterIuiv);
-        ASSIGN("glGetSamplerParameterfv", getSamplerParameterfv);
-        ASSIGN("glGetSamplerParameteriv", getSamplerParameteriv);
-        ASSIGN("glIsSampler", isSampler);
-        ASSIGN("glQueryCounter", queryCounter);
-        ASSIGN("glSamplerParameterIiv", samplerParameterIiv);
-        ASSIGN("glSamplerParameterIuiv", samplerParameterIuiv);
-        ASSIGN("glSamplerParameterf", samplerParameterf);
-        ASSIGN("glSamplerParameterfv", samplerParameterfv);
-        ASSIGN("glSamplerParameteri", samplerParameteri);
-        ASSIGN("glSamplerParameteriv", samplerParameteriv);
-        ASSIGN("glVertexAttribDivisor", vertexAttribDivisor);
-        ASSIGN("glVertexAttribP1ui", vertexAttribP1ui);
-        ASSIGN("glVertexAttribP1uiv", vertexAttribP1uiv);
-        ASSIGN("glVertexAttribP2ui", vertexAttribP2ui);
-        ASSIGN("glVertexAttribP2uiv", vertexAttribP2uiv);
-        ASSIGN("glVertexAttribP3ui", vertexAttribP3ui);
-        ASSIGN("glVertexAttribP3uiv", vertexAttribP3uiv);
-        ASSIGN("glVertexAttribP4ui", vertexAttribP4ui);
-        ASSIGN("glVertexAttribP4uiv", vertexAttribP4uiv);
-    }
-
-    if (version >= gl::Version(4, 0))
-    {
-        ASSIGN("glBeginQueryIndexed", beginQueryIndexed);
-        ASSIGN("glBindTransformFeedback", bindTransformFeedback);
-        ASSIGN("glBlendEquationSeparatei", blendEquationSeparatei);
-        ASSIGN("glBlendEquationi", blendEquationi);
-        ASSIGN("glBlendFuncSeparatei", blendFuncSeparatei);
-        ASSIGN("glBlendFunci", blendFunci);
-        ASSIGN("glDeleteTransformFeedbacks", deleteTransformFeedbacks);
-        ASSIGN("glDrawArraysIndirect", drawArraysIndirect);
-        ASSIGN("glDrawElementsIndirect", drawElementsIndirect);
-        ASSIGN("glDrawTransformFeedback", drawTransformFeedback);
-        ASSIGN("glDrawTransformFeedbackStream", drawTransformFeedbackStream);
-        ASSIGN("glEndQueryIndexed", endQueryIndexed);
-        ASSIGN("glGenTransformFeedbacks", genTransformFeedbacks);
-        ASSIGN("glGetActiveSubroutineName", getActiveSubroutineName);
-        ASSIGN("glGetActiveSubroutineUniformName", getActiveSubroutineUniformName);
-        ASSIGN("glGetActiveSubroutineUniformiv", getActiveSubroutineUniformiv);
-        ASSIGN("glGetProgramStageiv", getProgramStageiv);
-        ASSIGN("glGetQueryIndexediv", getQueryIndexediv);
-        ASSIGN("glGetSubroutineIndex", getSubroutineIndex);
-        ASSIGN("glGetSubroutineUniformLocation", getSubroutineUniformLocation);
-        ASSIGN("glGetUniformSubroutineuiv", getUniformSubroutineuiv);
-        ASSIGN("glGetUniformdv", getUniformdv);
-        ASSIGN("glIsTransformFeedback", isTransformFeedback);
-        ASSIGN("glMinSampleShading", minSampleShading);
-        ASSIGN("glPatchParameterfv", patchParameterfv);
-        ASSIGN("glPatchParameteri", patchParameteri);
-        ASSIGN("glPauseTransformFeedback", pauseTransformFeedback);
-        ASSIGN("glResumeTransformFeedback", resumeTransformFeedback);
-        ASSIGN("glUniform1d", uniform1d);
-        ASSIGN("glUniform1dv", uniform1dv);
-        ASSIGN("glUniform2d", uniform2d);
-        ASSIGN("glUniform2dv", uniform2dv);
-        ASSIGN("glUniform3d", uniform3d);
-        ASSIGN("glUniform3dv", uniform3dv);
-        ASSIGN("glUniform4d", uniform4d);
-        ASSIGN("glUniform4dv", uniform4dv);
-        ASSIGN("glUniformMatrix2dv", uniformMatrix2dv);
-        ASSIGN("glUniformMatrix2x3dv", uniformMatrix2x3dv);
-        ASSIGN("glUniformMatrix2x4dv", uniformMatrix2x4dv);
-        ASSIGN("glUniformMatrix3dv", uniformMatrix3dv);
-        ASSIGN("glUniformMatrix3x2dv", uniformMatrix3x2dv);
-        ASSIGN("glUniformMatrix3x4dv", uniformMatrix3x4dv);
-        ASSIGN("glUniformMatrix4dv", uniformMatrix4dv);
-        ASSIGN("glUniformMatrix4x2dv", uniformMatrix4x2dv);
-        ASSIGN("glUniformMatrix4x3dv", uniformMatrix4x3dv);
-        ASSIGN("glUniformSubroutinesuiv", uniformSubroutinesuiv);
-    }
-
-    if (version >= gl::Version(4, 1))
-    {
-        ASSIGN("glActiveShaderProgram", activeShaderProgram);
-        ASSIGN("glBindProgramPipeline", bindProgramPipeline);
-        ASSIGN("glClearDepthf", clearDepthf);
-        ASSIGN("glCreateShaderProgramv", createShaderProgramv);
-        ASSIGN("glDeleteProgramPipelines", deleteProgramPipelines);
-        ASSIGN("glDepthRangeArrayv", depthRangeArrayv);
-        ASSIGN("glDepthRangeIndexed", depthRangeIndexed);
-        ASSIGN("glDepthRangef", depthRangef);
-        ASSIGN("glGenProgramPipelines", genProgramPipelines);
-        ASSIGN("glGetDoublei_v", getDoublei_v);
-        ASSIGN("glGetFloati_v", getFloati_v);
-        ASSIGN("glGetProgramBinary", getProgramBinary);
-        ASSIGN("glGetProgramPipelineInfoLog", getProgramPipelineInfoLog);
-        ASSIGN("glGetProgramPipelineiv", getProgramPipelineiv);
-        ASSIGN("glGetShaderPrecisionFormat", getShaderPrecisionFormat);
-        ASSIGN("glGetVertexAttribLdv", getVertexAttribLdv);
-        ASSIGN("glIsProgramPipeline", isProgramPipeline);
-        ASSIGN("glProgramBinary", programBinary);
-        ASSIGN("glProgramParameteri", programParameteri);
-        ASSIGN("glProgramUniform1d", programUniform1d);
-        ASSIGN("glProgramUniform1dv", programUniform1dv);
-        ASSIGN("glProgramUniform1f", programUniform1f);
-        ASSIGN("glProgramUniform1fv", programUniform1fv);
-        ASSIGN("glProgramUniform1i", programUniform1i);
-        ASSIGN("glProgramUniform1iv", programUniform1iv);
-        ASSIGN("glProgramUniform1ui", programUniform1ui);
-        ASSIGN("glProgramUniform1uiv", programUniform1uiv);
-        ASSIGN("glProgramUniform2d", programUniform2d);
-        ASSIGN("glProgramUniform2dv", programUniform2dv);
-        ASSIGN("glProgramUniform2f", programUniform2f);
-        ASSIGN("glProgramUniform2fv", programUniform2fv);
-        ASSIGN("glProgramUniform2i", programUniform2i);
-        ASSIGN("glProgramUniform2iv", programUniform2iv);
-        ASSIGN("glProgramUniform2ui", programUniform2ui);
-        ASSIGN("glProgramUniform2uiv", programUniform2uiv);
-        ASSIGN("glProgramUniform3d", programUniform3d);
-        ASSIGN("glProgramUniform3dv", programUniform3dv);
-        ASSIGN("glProgramUniform3f", programUniform3f);
-        ASSIGN("glProgramUniform3fv", programUniform3fv);
-        ASSIGN("glProgramUniform3i", programUniform3i);
-        ASSIGN("glProgramUniform3iv", programUniform3iv);
-        ASSIGN("glProgramUniform3ui", programUniform3ui);
-        ASSIGN("glProgramUniform3uiv", programUniform3uiv);
-        ASSIGN("glProgramUniform4d", programUniform4d);
-        ASSIGN("glProgramUniform4dv", programUniform4dv);
-        ASSIGN("glProgramUniform4f", programUniform4f);
-        ASSIGN("glProgramUniform4fv", programUniform4fv);
-        ASSIGN("glProgramUniform4i", programUniform4i);
-        ASSIGN("glProgramUniform4iv", programUniform4iv);
-        ASSIGN("glProgramUniform4ui", programUniform4ui);
-        ASSIGN("glProgramUniform4uiv", programUniform4uiv);
-        ASSIGN("glProgramUniformMatrix2dv", programUniformMatrix2dv);
-        ASSIGN("glProgramUniformMatrix2fv", programUniformMatrix2fv);
-        ASSIGN("glProgramUniformMatrix2x3dv", programUniformMatrix2x3dv);
-        ASSIGN("glProgramUniformMatrix2x3fv", programUniformMatrix2x3fv);
-        ASSIGN("glProgramUniformMatrix2x4dv", programUniformMatrix2x4dv);
-        ASSIGN("glProgramUniformMatrix2x4fv", programUniformMatrix2x4fv);
-        ASSIGN("glProgramUniformMatrix3dv", programUniformMatrix3dv);
-        ASSIGN("glProgramUniformMatrix3fv", programUniformMatrix3fv);
-        ASSIGN("glProgramUniformMatrix3x2dv", programUniformMatrix3x2dv);
-        ASSIGN("glProgramUniformMatrix3x2fv", programUniformMatrix3x2fv);
-        ASSIGN("glProgramUniformMatrix3x4dv", programUniformMatrix3x4dv);
-        ASSIGN("glProgramUniformMatrix3x4fv", programUniformMatrix3x4fv);
-        ASSIGN("glProgramUniformMatrix4dv", programUniformMatrix4dv);
-        ASSIGN("glProgramUniformMatrix4fv", programUniformMatrix4fv);
-        ASSIGN("glProgramUniformMatrix4x2dv", programUniformMatrix4x2dv);
-        ASSIGN("glProgramUniformMatrix4x2fv", programUniformMatrix4x2fv);
-        ASSIGN("glProgramUniformMatrix4x3dv", programUniformMatrix4x3dv);
-        ASSIGN("glProgramUniformMatrix4x3fv", programUniformMatrix4x3fv);
-        ASSIGN("glReleaseShaderCompiler", releaseShaderCompiler);
-        ASSIGN("glScissorArrayv", scissorArrayv);
-        ASSIGN("glScissorIndexed", scissorIndexed);
-        ASSIGN("glScissorIndexedv", scissorIndexedv);
-        ASSIGN("glShaderBinary", shaderBinary);
-        ASSIGN("glUseProgramStages", useProgramStages);
-        ASSIGN("glValidateProgramPipeline", validateProgramPipeline);
-        ASSIGN("glVertexAttribL1d", vertexAttribL1d);
-        ASSIGN("glVertexAttribL1dv", vertexAttribL1dv);
-        ASSIGN("glVertexAttribL2d", vertexAttribL2d);
-        ASSIGN("glVertexAttribL2dv", vertexAttribL2dv);
-        ASSIGN("glVertexAttribL3d", vertexAttribL3d);
-        ASSIGN("glVertexAttribL3dv", vertexAttribL3dv);
-        ASSIGN("glVertexAttribL4d", vertexAttribL4d);
-        ASSIGN("glVertexAttribL4dv", vertexAttribL4dv);
-        ASSIGN("glVertexAttribLPointer", vertexAttribLPointer);
-        ASSIGN("glViewportArrayv", viewportArrayv);
-        ASSIGN("glViewportIndexedf", viewportIndexedf);
-        ASSIGN("glViewportIndexedfv", viewportIndexedfv);
-    }
-
-    if (version >= gl::Version(4, 2))
-    {
-        ASSIGN("glBindImageTexture", bindImageTexture);
-        ASSIGN("glDrawArraysInstancedBaseInstance", drawArraysInstancedBaseInstance);
-        ASSIGN("glDrawElementsInstancedBaseInstance", drawElementsInstancedBaseInstance);
-        ASSIGN("glDrawElementsInstancedBaseVertexBaseInstance",
-               drawElementsInstancedBaseVertexBaseInstance);
-        ASSIGN("glDrawTransformFeedbackInstanced", drawTransformFeedbackInstanced);
-        ASSIGN("glDrawTransformFeedbackStreamInstanced", drawTransformFeedbackStreamInstanced);
-        ASSIGN("glGetActiveAtomicCounterBufferiv", getActiveAtomicCounterBufferiv);
-        ASSIGN("glGetInternalformativ", getInternalformativ);
-        ASSIGN("glMemoryBarrier", memoryBarrier);
-        ASSIGN("glTexStorage1D", texStorage1D);
-        ASSIGN("glTexStorage2D", texStorage2D);
-        ASSIGN("glTexStorage3D", texStorage3D);
-    }
-
-    if (version >= gl::Version(4, 3))
-    {
-        ASSIGN("glBindVertexBuffer", bindVertexBuffer);
-        ASSIGN("glClearBufferData", clearBufferData);
-        ASSIGN("glClearBufferSubData", clearBufferSubData);
-        ASSIGN("glCopyImageSubData", copyImageSubData);
-        ASSIGN("glDebugMessageCallback", debugMessageCallback);
-        ASSIGN("glDebugMessageControl", debugMessageControl);
-        ASSIGN("glDebugMessageInsert", debugMessageInsert);
-        ASSIGN("glDispatchCompute", dispatchCompute);
-        ASSIGN("glDispatchComputeIndirect", dispatchComputeIndirect);
-        ASSIGN("glFramebufferParameteri", framebufferParameteri);
-        ASSIGN("glGetDebugMessageLog", getDebugMessageLog);
-        ASSIGN("glGetFramebufferParameteriv", getFramebufferParameteriv);
-        ASSIGN("glGetInternalformati64v", getInternalformati64v);
-        ASSIGN("glGetObjectLabel", getObjectLabel);
-        ASSIGN("glGetObjectPtrLabel", getObjectPtrLabel);
-        ASSIGN("glGetPointerv", getPointerv);
-        ASSIGN("glGetProgramInterfaceiv", getProgramInterfaceiv);
-        ASSIGN("glGetProgramResourceIndex", getProgramResourceIndex);
-        ASSIGN("glGetProgramResourceLocation", getProgramResourceLocation);
-        ASSIGN("glGetProgramResourceLocationIndex", getProgramResourceLocationIndex);
-        ASSIGN("glGetProgramResourceName", getProgramResourceName);
-        ASSIGN("glGetProgramResourceiv", getProgramResourceiv);
-        ASSIGN("glInvalidateBufferData", invalidateBufferData);
-        ASSIGN("glInvalidateBufferSubData", invalidateBufferSubData);
-        ASSIGN("glInvalidateFramebuffer", invalidateFramebuffer);
-        ASSIGN("glInvalidateSubFramebuffer", invalidateSubFramebuffer);
-        ASSIGN("glInvalidateTexImage", invalidateTexImage);
-        ASSIGN("glInvalidateTexSubImage", invalidateTexSubImage);
-        ASSIGN("glMultiDrawArraysIndirect", multiDrawArraysIndirect);
-        ASSIGN("glMultiDrawElementsIndirect", multiDrawElementsIndirect);
-        ASSIGN("glObjectLabel", objectLabel);
-        ASSIGN("glObjectPtrLabel", objectPtrLabel);
-        ASSIGN("glPopDebugGroup", popDebugGroup);
-        ASSIGN("glPushDebugGroup", pushDebugGroup);
-        ASSIGN("glShaderStorageBlockBinding", shaderStorageBlockBinding);
-        ASSIGN("glTexBufferRange", texBufferRange);
-        ASSIGN("glTexStorage2DMultisample", texStorage2DMultisample);
-        ASSIGN("glTexStorage3DMultisample", texStorage3DMultisample);
-        ASSIGN("glTextureView", textureView);
-        ASSIGN("glVertexAttribBinding", vertexAttribBinding);
-        ASSIGN("glVertexAttribFormat", vertexAttribFormat);
-        ASSIGN("glVertexAttribIFormat", vertexAttribIFormat);
-        ASSIGN("glVertexAttribLFormat", vertexAttribLFormat);
-        ASSIGN("glVertexBindingDivisor", vertexBindingDivisor);
-    }
-
-    if (version >= gl::Version(4, 4))
-    {
-        ASSIGN("glBindBuffersBase", bindBuffersBase);
-        ASSIGN("glBindBuffersRange", bindBuffersRange);
-        ASSIGN("glBindImageTextures", bindImageTextures);
-        ASSIGN("glBindSamplers", bindSamplers);
-        ASSIGN("glBindTextures", bindTextures);
-        ASSIGN("glBindVertexBuffers", bindVertexBuffers);
-        ASSIGN("glBufferStorage", bufferStorage);
-        ASSIGN("glClearTexImage", clearTexImage);
-        ASSIGN("glClearTexSubImage", clearTexSubImage);
-    }
-
-    if (version >= gl::Version(4, 5))
-    {
-        ASSIGN("glBindTextureUnit", bindTextureUnit);
-        ASSIGN("glBlitNamedFramebuffer", blitNamedFramebuffer);
-        ASSIGN("glCheckNamedFramebufferStatus", checkNamedFramebufferStatus);
-        ASSIGN("glClearNamedBufferData", clearNamedBufferData);
-        ASSIGN("glClearNamedBufferSubData", clearNamedBufferSubData);
-        ASSIGN("glClearNamedFramebufferfi", clearNamedFramebufferfi);
-        ASSIGN("glClearNamedFramebufferfv", clearNamedFramebufferfv);
-        ASSIGN("glClearNamedFramebufferiv", clearNamedFramebufferiv);
-        ASSIGN("glClearNamedFramebufferuiv", clearNamedFramebufferuiv);
-        ASSIGN("glClipControl", clipControl);
-        ASSIGN("glCompressedTextureSubImage1D", compressedTextureSubImage1D);
-        ASSIGN("glCompressedTextureSubImage2D", compressedTextureSubImage2D);
-        ASSIGN("glCompressedTextureSubImage3D", compressedTextureSubImage3D);
-        ASSIGN("glCopyNamedBufferSubData", copyNamedBufferSubData);
-        ASSIGN("glCopyTextureSubImage1D", copyTextureSubImage1D);
-        ASSIGN("glCopyTextureSubImage2D", copyTextureSubImage2D);
-        ASSIGN("glCopyTextureSubImage3D", copyTextureSubImage3D);
-        ASSIGN("glCreateBuffers", createBuffers);
-        ASSIGN("glCreateFramebuffers", createFramebuffers);
-        ASSIGN("glCreateProgramPipelines", createProgramPipelines);
-        ASSIGN("glCreateQueries", createQueries);
-        ASSIGN("glCreateRenderbuffers", createRenderbuffers);
-        ASSIGN("glCreateSamplers", createSamplers);
-        ASSIGN("glCreateTextures", createTextures);
-        ASSIGN("glCreateTransformFeedbacks", createTransformFeedbacks);
-        ASSIGN("glCreateVertexArrays", createVertexArrays);
-        ASSIGN("glDisableVertexArrayAttrib", disableVertexArrayAttrib);
-        ASSIGN("glEnableVertexArrayAttrib", enableVertexArrayAttrib);
-        ASSIGN("glFlushMappedNamedBufferRange", flushMappedNamedBufferRange);
-        ASSIGN("glGenerateTextureMipmap", generateTextureMipmap);
-        ASSIGN("glGetCompressedTextureImage", getCompressedTextureImage);
-        ASSIGN("glGetCompressedTextureSubImage", getCompressedTextureSubImage);
-        ASSIGN("glGetGraphicsResetStatus", getGraphicsResetStatus);
-        ASSIGN("glGetNamedBufferParameteri64v", getNamedBufferParameteri64v);
-        ASSIGN("glGetNamedBufferParameteriv", getNamedBufferParameteriv);
-        ASSIGN("glGetNamedBufferPointerv", getNamedBufferPointerv);
-        ASSIGN("glGetNamedBufferSubData", getNamedBufferSubData);
-        ASSIGN("glGetNamedFramebufferAttachmentParameteriv",
-               getNamedFramebufferAttachmentParameteriv);
-        ASSIGN("glGetNamedFramebufferParameteriv", getNamedFramebufferParameteriv);
-        ASSIGN("glGetNamedRenderbufferParameteriv", getNamedRenderbufferParameteriv);
-        ASSIGN("glGetQueryBufferObjecti64v", getQueryBufferObjecti64v);
-        ASSIGN("glGetQueryBufferObjectiv", getQueryBufferObjectiv);
-        ASSIGN("glGetQueryBufferObjectui64v", getQueryBufferObjectui64v);
-        ASSIGN("glGetQueryBufferObjectuiv", getQueryBufferObjectuiv);
-        ASSIGN("glGetTextureImage", getTextureImage);
-        ASSIGN("glGetTextureLevelParameterfv", getTextureLevelParameterfv);
-        ASSIGN("glGetTextureLevelParameteriv", getTextureLevelParameteriv);
-        ASSIGN("glGetTextureParameterIiv", getTextureParameterIiv);
-        ASSIGN("glGetTextureParameterIuiv", getTextureParameterIuiv);
-        ASSIGN("glGetTextureParameterfv", getTextureParameterfv);
-        ASSIGN("glGetTextureParameteriv", getTextureParameteriv);
-        ASSIGN("glGetTextureSubImage", getTextureSubImage);
-        ASSIGN("glGetTransformFeedbacki64_v", getTransformFeedbacki64_v);
-        ASSIGN("glGetTransformFeedbacki_v", getTransformFeedbacki_v);
-        ASSIGN("glGetTransformFeedbackiv", getTransformFeedbackiv);
-        ASSIGN("glGetVertexArrayIndexed64iv", getVertexArrayIndexed64iv);
-        ASSIGN("glGetVertexArrayIndexediv", getVertexArrayIndexediv);
-        ASSIGN("glGetVertexArrayiv", getVertexArrayiv);
-        ASSIGN("glGetnCompressedTexImage", getnCompressedTexImage);
-        ASSIGN("glGetnTexImage", getnTexImage);
-        ASSIGN("glGetnUniformdv", getnUniformdv);
-        ASSIGN("glGetnUniformfv", getnUniformfv);
-        ASSIGN("glGetnUniformiv", getnUniformiv);
-        ASSIGN("glGetnUniformuiv", getnUniformuiv);
-        ASSIGN("glInvalidateNamedFramebufferData", invalidateNamedFramebufferData);
-        ASSIGN("glInvalidateNamedFramebufferSubData", invalidateNamedFramebufferSubData);
-        ASSIGN("glMapNamedBuffer", mapNamedBuffer);
-        ASSIGN("glMapNamedBufferRange", mapNamedBufferRange);
-        ASSIGN("glMemoryBarrierByRegion", memoryBarrierByRegion);
-        ASSIGN("glNamedBufferData", namedBufferData);
-        ASSIGN("glNamedBufferStorage", namedBufferStorage);
-        ASSIGN("glNamedBufferSubData", namedBufferSubData);
-        ASSIGN("glNamedFramebufferDrawBuffer", namedFramebufferDrawBuffer);
-        ASSIGN("glNamedFramebufferDrawBuffers", namedFramebufferDrawBuffers);
-        ASSIGN("glNamedFramebufferParameteri", namedFramebufferParameteri);
-        ASSIGN("glNamedFramebufferReadBuffer", namedFramebufferReadBuffer);
-        ASSIGN("glNamedFramebufferRenderbuffer", namedFramebufferRenderbuffer);
-        ASSIGN("glNamedFramebufferTexture", namedFramebufferTexture);
-        ASSIGN("glNamedFramebufferTextureLayer", namedFramebufferTextureLayer);
-        ASSIGN("glNamedRenderbufferStorage", namedRenderbufferStorage);
-        ASSIGN("glNamedRenderbufferStorageMultisample", namedRenderbufferStorageMultisample);
-        ASSIGN("glReadnPixels", readnPixels);
-        ASSIGN("glTextureBarrier", textureBarrier);
-        ASSIGN("glTextureBuffer", textureBuffer);
-        ASSIGN("glTextureBufferRange", textureBufferRange);
-        ASSIGN("glTextureParameterIiv", textureParameterIiv);
-        ASSIGN("glTextureParameterIuiv", textureParameterIuiv);
-        ASSIGN("glTextureParameterf", textureParameterf);
-        ASSIGN("glTextureParameterfv", textureParameterfv);
-        ASSIGN("glTextureParameteri", textureParameteri);
-        ASSIGN("glTextureParameteriv", textureParameteriv);
-        ASSIGN("glTextureStorage1D", textureStorage1D);
-        ASSIGN("glTextureStorage2D", textureStorage2D);
-        ASSIGN("glTextureStorage2DMultisample", textureStorage2DMultisample);
-        ASSIGN("glTextureStorage3D", textureStorage3D);
-        ASSIGN("glTextureStorage3DMultisample", textureStorage3DMultisample);
-        ASSIGN("glTextureSubImage1D", textureSubImage1D);
-        ASSIGN("glTextureSubImage2D", textureSubImage2D);
-        ASSIGN("glTextureSubImage3D", textureSubImage3D);
-        ASSIGN("glTransformFeedbackBufferBase", transformFeedbackBufferBase);
-        ASSIGN("glTransformFeedbackBufferRange", transformFeedbackBufferRange);
-        ASSIGN("glUnmapNamedBuffer", unmapNamedBuffer);
-        ASSIGN("glVertexArrayAttribBinding", vertexArrayAttribBinding);
-        ASSIGN("glVertexArrayAttribFormat", vertexArrayAttribFormat);
-        ASSIGN("glVertexArrayAttribIFormat", vertexArrayAttribIFormat);
-        ASSIGN("glVertexArrayAttribLFormat", vertexArrayAttribLFormat);
-        ASSIGN("glVertexArrayBindingDivisor", vertexArrayBindingDivisor);
-        ASSIGN("glVertexArrayElementBuffer", vertexArrayElementBuffer);
-        ASSIGN("glVertexArrayVertexBuffer", vertexArrayVertexBuffer);
-        ASSIGN("glVertexArrayVertexBuffers", vertexArrayVertexBuffers);
-    }
-
     if (extensions.count("GL_ARB_ES2_compatibility") != 0)
     {
         ASSIGN("glClearDepthf", clearDepthf);
@@ -1917,12 +1191,1079 @@ void DispatchTableGL::initProcsDesktopGL(const gl::Version &version,
         ASSIGN("glClearDepthfOES", clearDepthf);
         ASSIGN("glDepthRangefOES", depthRangef);
     }
+
+    if (version >= gl::Version(1, 0))
+    {
+        ASSIGN("glBlendFunc", blendFunc);
+        ASSIGN("glClear", clear);
+        ASSIGN("glClearColor", clearColor);
+        ASSIGN("glClearDepth", clearDepth);
+        ASSIGN("glClearStencil", clearStencil);
+        ASSIGN("glColorMask", colorMask);
+        ASSIGN("glCullFace", cullFace);
+        ASSIGN("glDepthFunc", depthFunc);
+        ASSIGN("glDepthMask", depthMask);
+        ASSIGN("glDepthRange", depthRange);
+        ASSIGN("glDisable", disable);
+        ASSIGN("glDrawBuffer", drawBuffer);
+        ASSIGN("glEnable", enable);
+        ASSIGN("glFinish", finish);
+        ASSIGN("glFlush", flush);
+        ASSIGN("glFrontFace", frontFace);
+        ASSIGN("glGetBooleanv", getBooleanv);
+        ASSIGN("glGetDoublev", getDoublev);
+        ASSIGN("glGetError", getError);
+        ASSIGN("glGetFloatv", getFloatv);
+        ASSIGN("glGetIntegerv", getIntegerv);
+        ASSIGN("glGetString", getString);
+        ASSIGN("glGetTexImage", getTexImage);
+        ASSIGN("glGetTexLevelParameterfv", getTexLevelParameterfv);
+        ASSIGN("glGetTexLevelParameteriv", getTexLevelParameteriv);
+        ASSIGN("glGetTexParameterfv", getTexParameterfv);
+        ASSIGN("glGetTexParameteriv", getTexParameteriv);
+        ASSIGN("glHint", hint);
+        ASSIGN("glIsEnabled", isEnabled);
+        ASSIGN("glLineWidth", lineWidth);
+        ASSIGN("glLogicOp", logicOp);
+        ASSIGN("glPixelStoref", pixelStoref);
+        ASSIGN("glPixelStorei", pixelStorei);
+        ASSIGN("glPointSize", pointSize);
+        ASSIGN("glPolygonMode", polygonMode);
+        ASSIGN("glReadBuffer", readBuffer);
+        ASSIGN("glReadPixels", readPixels);
+        ASSIGN("glScissor", scissor);
+        ASSIGN("glStencilFunc", stencilFunc);
+        ASSIGN("glStencilMask", stencilMask);
+        ASSIGN("glStencilOp", stencilOp);
+        ASSIGN("glTexImage1D", texImage1D);
+        ASSIGN("glTexImage2D", texImage2D);
+        ASSIGN("glTexParameterf", texParameterf);
+        ASSIGN("glTexParameterfv", texParameterfv);
+        ASSIGN("glTexParameteri", texParameteri);
+        ASSIGN("glTexParameteriv", texParameteriv);
+        ASSIGN("glViewport", viewport);
+    }
+
+    if (version >= gl::Version(1, 1))
+    {
+        ASSIGN("glBindTexture", bindTexture);
+        ASSIGN("glCopyTexImage1D", copyTexImage1D);
+        ASSIGN("glCopyTexImage2D", copyTexImage2D);
+        ASSIGN("glCopyTexSubImage1D", copyTexSubImage1D);
+        ASSIGN("glCopyTexSubImage2D", copyTexSubImage2D);
+        ASSIGN("glDeleteTextures", deleteTextures);
+        ASSIGN("glDrawArrays", drawArrays);
+        ASSIGN("glDrawElements", drawElements);
+        ASSIGN("glGenTextures", genTextures);
+        ASSIGN("glIsTexture", isTexture);
+        ASSIGN("glPolygonOffset", polygonOffset);
+        ASSIGN("glTexSubImage1D", texSubImage1D);
+        ASSIGN("glTexSubImage2D", texSubImage2D);
+    }
+
+    if (version >= gl::Version(1, 2))
+    {
+        ASSIGN("glCopyTexSubImage3D", copyTexSubImage3D);
+        ASSIGN("glDrawRangeElements", drawRangeElements);
+        ASSIGN("glTexImage3D", texImage3D);
+        ASSIGN("glTexSubImage3D", texSubImage3D);
+    }
+
+    if (version >= gl::Version(1, 3))
+    {
+        ASSIGN("glActiveTexture", activeTexture);
+        ASSIGN("glCompressedTexImage1D", compressedTexImage1D);
+        ASSIGN("glCompressedTexImage2D", compressedTexImage2D);
+        ASSIGN("glCompressedTexImage3D", compressedTexImage3D);
+        ASSIGN("glCompressedTexSubImage1D", compressedTexSubImage1D);
+        ASSIGN("glCompressedTexSubImage2D", compressedTexSubImage2D);
+        ASSIGN("glCompressedTexSubImage3D", compressedTexSubImage3D);
+        ASSIGN("glGetCompressedTexImage", getCompressedTexImage);
+        ASSIGN("glSampleCoverage", sampleCoverage);
+    }
+
+    if (version >= gl::Version(1, 4))
+    {
+        ASSIGN("glBlendColor", blendColor);
+        ASSIGN("glBlendEquation", blendEquation);
+        ASSIGN("glBlendFuncSeparate", blendFuncSeparate);
+        ASSIGN("glMultiDrawArrays", multiDrawArrays);
+        ASSIGN("glMultiDrawElements", multiDrawElements);
+        ASSIGN("glPointParameterf", pointParameterf);
+        ASSIGN("glPointParameterfv", pointParameterfv);
+        ASSIGN("glPointParameteri", pointParameteri);
+        ASSIGN("glPointParameteriv", pointParameteriv);
+    }
+
+    if (version >= gl::Version(1, 5))
+    {
+        ASSIGN("glBeginQuery", beginQuery);
+        ASSIGN("glBindBuffer", bindBuffer);
+        ASSIGN("glBufferData", bufferData);
+        ASSIGN("glBufferSubData", bufferSubData);
+        ASSIGN("glDeleteBuffers", deleteBuffers);
+        ASSIGN("glDeleteQueries", deleteQueries);
+        ASSIGN("glEndQuery", endQuery);
+        ASSIGN("glGenBuffers", genBuffers);
+        ASSIGN("glGenQueries", genQueries);
+        ASSIGN("glGetBufferParameteriv", getBufferParameteriv);
+        ASSIGN("glGetBufferPointerv", getBufferPointerv);
+        ASSIGN("glGetBufferSubData", getBufferSubData);
+        ASSIGN("glGetQueryObjectiv", getQueryObjectiv);
+        ASSIGN("glGetQueryObjectuiv", getQueryObjectuiv);
+        ASSIGN("glGetQueryiv", getQueryiv);
+        ASSIGN("glIsBuffer", isBuffer);
+        ASSIGN("glIsQuery", isQuery);
+        ASSIGN("glMapBuffer", mapBuffer);
+        ASSIGN("glUnmapBuffer", unmapBuffer);
+    }
+
+    if (version >= gl::Version(2, 0))
+    {
+        ASSIGN("glAttachShader", attachShader);
+        ASSIGN("glBindAttribLocation", bindAttribLocation);
+        ASSIGN("glBlendEquationSeparate", blendEquationSeparate);
+        ASSIGN("glCompileShader", compileShader);
+        ASSIGN("glCreateProgram", createProgram);
+        ASSIGN("glCreateShader", createShader);
+        ASSIGN("glDeleteProgram", deleteProgram);
+        ASSIGN("glDeleteShader", deleteShader);
+        ASSIGN("glDetachShader", detachShader);
+        ASSIGN("glDisableVertexAttribArray", disableVertexAttribArray);
+        ASSIGN("glDrawBuffers", drawBuffers);
+        ASSIGN("glEnableVertexAttribArray", enableVertexAttribArray);
+        ASSIGN("glGetActiveAttrib", getActiveAttrib);
+        ASSIGN("glGetActiveUniform", getActiveUniform);
+        ASSIGN("glGetAttachedShaders", getAttachedShaders);
+        ASSIGN("glGetAttribLocation", getAttribLocation);
+        ASSIGN("glGetProgramInfoLog", getProgramInfoLog);
+        ASSIGN("glGetProgramiv", getProgramiv);
+        ASSIGN("glGetShaderInfoLog", getShaderInfoLog);
+        ASSIGN("glGetShaderSource", getShaderSource);
+        ASSIGN("glGetShaderiv", getShaderiv);
+        ASSIGN("glGetUniformLocation", getUniformLocation);
+        ASSIGN("glGetUniformfv", getUniformfv);
+        ASSIGN("glGetUniformiv", getUniformiv);
+        ASSIGN("glGetVertexAttribPointerv", getVertexAttribPointerv);
+        ASSIGN("glGetVertexAttribdv", getVertexAttribdv);
+        ASSIGN("glGetVertexAttribfv", getVertexAttribfv);
+        ASSIGN("glGetVertexAttribiv", getVertexAttribiv);
+        ASSIGN("glIsProgram", isProgram);
+        ASSIGN("glIsShader", isShader);
+        ASSIGN("glLinkProgram", linkProgram);
+        ASSIGN("glShaderSource", shaderSource);
+        ASSIGN("glStencilFuncSeparate", stencilFuncSeparate);
+        ASSIGN("glStencilMaskSeparate", stencilMaskSeparate);
+        ASSIGN("glStencilOpSeparate", stencilOpSeparate);
+        ASSIGN("glUniform1f", uniform1f);
+        ASSIGN("glUniform1fv", uniform1fv);
+        ASSIGN("glUniform1i", uniform1i);
+        ASSIGN("glUniform1iv", uniform1iv);
+        ASSIGN("glUniform2f", uniform2f);
+        ASSIGN("glUniform2fv", uniform2fv);
+        ASSIGN("glUniform2i", uniform2i);
+        ASSIGN("glUniform2iv", uniform2iv);
+        ASSIGN("glUniform3f", uniform3f);
+        ASSIGN("glUniform3fv", uniform3fv);
+        ASSIGN("glUniform3i", uniform3i);
+        ASSIGN("glUniform3iv", uniform3iv);
+        ASSIGN("glUniform4f", uniform4f);
+        ASSIGN("glUniform4fv", uniform4fv);
+        ASSIGN("glUniform4i", uniform4i);
+        ASSIGN("glUniform4iv", uniform4iv);
+        ASSIGN("glUniformMatrix2fv", uniformMatrix2fv);
+        ASSIGN("glUniformMatrix3fv", uniformMatrix3fv);
+        ASSIGN("glUniformMatrix4fv", uniformMatrix4fv);
+        ASSIGN("glUseProgram", useProgram);
+        ASSIGN("glValidateProgram", validateProgram);
+        ASSIGN("glVertexAttrib1d", vertexAttrib1d);
+        ASSIGN("glVertexAttrib1dv", vertexAttrib1dv);
+        ASSIGN("glVertexAttrib1f", vertexAttrib1f);
+        ASSIGN("glVertexAttrib1fv", vertexAttrib1fv);
+        ASSIGN("glVertexAttrib1s", vertexAttrib1s);
+        ASSIGN("glVertexAttrib1sv", vertexAttrib1sv);
+        ASSIGN("glVertexAttrib2d", vertexAttrib2d);
+        ASSIGN("glVertexAttrib2dv", vertexAttrib2dv);
+        ASSIGN("glVertexAttrib2f", vertexAttrib2f);
+        ASSIGN("glVertexAttrib2fv", vertexAttrib2fv);
+        ASSIGN("glVertexAttrib2s", vertexAttrib2s);
+        ASSIGN("glVertexAttrib2sv", vertexAttrib2sv);
+        ASSIGN("glVertexAttrib3d", vertexAttrib3d);
+        ASSIGN("glVertexAttrib3dv", vertexAttrib3dv);
+        ASSIGN("glVertexAttrib3f", vertexAttrib3f);
+        ASSIGN("glVertexAttrib3fv", vertexAttrib3fv);
+        ASSIGN("glVertexAttrib3s", vertexAttrib3s);
+        ASSIGN("glVertexAttrib3sv", vertexAttrib3sv);
+        ASSIGN("glVertexAttrib4Nbv", vertexAttrib4Nbv);
+        ASSIGN("glVertexAttrib4Niv", vertexAttrib4Niv);
+        ASSIGN("glVertexAttrib4Nsv", vertexAttrib4Nsv);
+        ASSIGN("glVertexAttrib4Nub", vertexAttrib4Nub);
+        ASSIGN("glVertexAttrib4Nubv", vertexAttrib4Nubv);
+        ASSIGN("glVertexAttrib4Nuiv", vertexAttrib4Nuiv);
+        ASSIGN("glVertexAttrib4Nusv", vertexAttrib4Nusv);
+        ASSIGN("glVertexAttrib4bv", vertexAttrib4bv);
+        ASSIGN("glVertexAttrib4d", vertexAttrib4d);
+        ASSIGN("glVertexAttrib4dv", vertexAttrib4dv);
+        ASSIGN("glVertexAttrib4f", vertexAttrib4f);
+        ASSIGN("glVertexAttrib4fv", vertexAttrib4fv);
+        ASSIGN("glVertexAttrib4iv", vertexAttrib4iv);
+        ASSIGN("glVertexAttrib4s", vertexAttrib4s);
+        ASSIGN("glVertexAttrib4sv", vertexAttrib4sv);
+        ASSIGN("glVertexAttrib4ubv", vertexAttrib4ubv);
+        ASSIGN("glVertexAttrib4uiv", vertexAttrib4uiv);
+        ASSIGN("glVertexAttrib4usv", vertexAttrib4usv);
+        ASSIGN("glVertexAttribPointer", vertexAttribPointer);
+    }
+
+    if (version >= gl::Version(2, 1))
+    {
+        ASSIGN("glUniformMatrix2x3fv", uniformMatrix2x3fv);
+        ASSIGN("glUniformMatrix2x4fv", uniformMatrix2x4fv);
+        ASSIGN("glUniformMatrix3x2fv", uniformMatrix3x2fv);
+        ASSIGN("glUniformMatrix3x4fv", uniformMatrix3x4fv);
+        ASSIGN("glUniformMatrix4x2fv", uniformMatrix4x2fv);
+        ASSIGN("glUniformMatrix4x3fv", uniformMatrix4x3fv);
+    }
+
+    if (version >= gl::Version(3, 0))
+    {
+        ASSIGN("glBeginConditionalRender", beginConditionalRender);
+        ASSIGN("glBeginTransformFeedback", beginTransformFeedback);
+        ASSIGN("glBindBufferBase", bindBufferBase);
+        ASSIGN("glBindBufferRange", bindBufferRange);
+        ASSIGN("glBindFragDataLocation", bindFragDataLocation);
+        ASSIGN("glBindFramebuffer", bindFramebuffer);
+        ASSIGN("glBindRenderbuffer", bindRenderbuffer);
+        ASSIGN("glBindVertexArray", bindVertexArray);
+        ASSIGN("glBlitFramebuffer", blitFramebuffer);
+        ASSIGN("glCheckFramebufferStatus", checkFramebufferStatus);
+        ASSIGN("glClampColor", clampColor);
+        ASSIGN("glClearBufferfi", clearBufferfi);
+        ASSIGN("glClearBufferfv", clearBufferfv);
+        ASSIGN("glClearBufferiv", clearBufferiv);
+        ASSIGN("glClearBufferuiv", clearBufferuiv);
+        ASSIGN("glColorMaski", colorMaski);
+        ASSIGN("glDeleteFramebuffers", deleteFramebuffers);
+        ASSIGN("glDeleteRenderbuffers", deleteRenderbuffers);
+        ASSIGN("glDeleteVertexArrays", deleteVertexArrays);
+        ASSIGN("glDisablei", disablei);
+        ASSIGN("glEnablei", enablei);
+        ASSIGN("glEndConditionalRender", endConditionalRender);
+        ASSIGN("glEndTransformFeedback", endTransformFeedback);
+        ASSIGN("glFlushMappedBufferRange", flushMappedBufferRange);
+        ASSIGN("glFramebufferRenderbuffer", framebufferRenderbuffer);
+        ASSIGN("glFramebufferTexture1D", framebufferTexture1D);
+        ASSIGN("glFramebufferTexture2D", framebufferTexture2D);
+        ASSIGN("glFramebufferTexture3D", framebufferTexture3D);
+        ASSIGN("glFramebufferTextureLayer", framebufferTextureLayer);
+        ASSIGN("glGenFramebuffers", genFramebuffers);
+        ASSIGN("glGenRenderbuffers", genRenderbuffers);
+        ASSIGN("glGenVertexArrays", genVertexArrays);
+        ASSIGN("glGenerateMipmap", generateMipmap);
+        ASSIGN("glGetBooleani_v", getBooleani_v);
+        ASSIGN("glGetFragDataLocation", getFragDataLocation);
+        ASSIGN("glGetFramebufferAttachmentParameteriv", getFramebufferAttachmentParameteriv);
+        ASSIGN("glGetIntegeri_v", getIntegeri_v);
+        ASSIGN("glGetRenderbufferParameteriv", getRenderbufferParameteriv);
+        ASSIGN("glGetStringi", getStringi);
+        ASSIGN("glGetTexParameterIiv", getTexParameterIiv);
+        ASSIGN("glGetTexParameterIuiv", getTexParameterIuiv);
+        ASSIGN("glGetTransformFeedbackVarying", getTransformFeedbackVarying);
+        ASSIGN("glGetUniformuiv", getUniformuiv);
+        ASSIGN("glGetVertexAttribIiv", getVertexAttribIiv);
+        ASSIGN("glGetVertexAttribIuiv", getVertexAttribIuiv);
+        ASSIGN("glIsEnabledi", isEnabledi);
+        ASSIGN("glIsFramebuffer", isFramebuffer);
+        ASSIGN("glIsRenderbuffer", isRenderbuffer);
+        ASSIGN("glIsVertexArray", isVertexArray);
+        ASSIGN("glMapBufferRange", mapBufferRange);
+        ASSIGN("glRenderbufferStorage", renderbufferStorage);
+        ASSIGN("glRenderbufferStorageMultisample", renderbufferStorageMultisample);
+        ASSIGN("glTexParameterIiv", texParameterIiv);
+        ASSIGN("glTexParameterIuiv", texParameterIuiv);
+        ASSIGN("glTransformFeedbackVaryings", transformFeedbackVaryings);
+        ASSIGN("glUniform1ui", uniform1ui);
+        ASSIGN("glUniform1uiv", uniform1uiv);
+        ASSIGN("glUniform2ui", uniform2ui);
+        ASSIGN("glUniform2uiv", uniform2uiv);
+        ASSIGN("glUniform3ui", uniform3ui);
+        ASSIGN("glUniform3uiv", uniform3uiv);
+        ASSIGN("glUniform4ui", uniform4ui);
+        ASSIGN("glUniform4uiv", uniform4uiv);
+        ASSIGN("glVertexAttribI1i", vertexAttribI1i);
+        ASSIGN("glVertexAttribI1iv", vertexAttribI1iv);
+        ASSIGN("glVertexAttribI1ui", vertexAttribI1ui);
+        ASSIGN("glVertexAttribI1uiv", vertexAttribI1uiv);
+        ASSIGN("glVertexAttribI2i", vertexAttribI2i);
+        ASSIGN("glVertexAttribI2iv", vertexAttribI2iv);
+        ASSIGN("glVertexAttribI2ui", vertexAttribI2ui);
+        ASSIGN("glVertexAttribI2uiv", vertexAttribI2uiv);
+        ASSIGN("glVertexAttribI3i", vertexAttribI3i);
+        ASSIGN("glVertexAttribI3iv", vertexAttribI3iv);
+        ASSIGN("glVertexAttribI3ui", vertexAttribI3ui);
+        ASSIGN("glVertexAttribI3uiv", vertexAttribI3uiv);
+        ASSIGN("glVertexAttribI4bv", vertexAttribI4bv);
+        ASSIGN("glVertexAttribI4i", vertexAttribI4i);
+        ASSIGN("glVertexAttribI4iv", vertexAttribI4iv);
+        ASSIGN("glVertexAttribI4sv", vertexAttribI4sv);
+        ASSIGN("glVertexAttribI4ubv", vertexAttribI4ubv);
+        ASSIGN("glVertexAttribI4ui", vertexAttribI4ui);
+        ASSIGN("glVertexAttribI4uiv", vertexAttribI4uiv);
+        ASSIGN("glVertexAttribI4usv", vertexAttribI4usv);
+        ASSIGN("glVertexAttribIPointer", vertexAttribIPointer);
+    }
+
+    if (version >= gl::Version(3, 1))
+    {
+        ASSIGN("glCopyBufferSubData", copyBufferSubData);
+        ASSIGN("glDrawArraysInstanced", drawArraysInstanced);
+        ASSIGN("glDrawElementsInstanced", drawElementsInstanced);
+        ASSIGN("glGetActiveUniformBlockName", getActiveUniformBlockName);
+        ASSIGN("glGetActiveUniformBlockiv", getActiveUniformBlockiv);
+        ASSIGN("glGetActiveUniformName", getActiveUniformName);
+        ASSIGN("glGetActiveUniformsiv", getActiveUniformsiv);
+        ASSIGN("glGetUniformBlockIndex", getUniformBlockIndex);
+        ASSIGN("glGetUniformIndices", getUniformIndices);
+        ASSIGN("glPrimitiveRestartIndex", primitiveRestartIndex);
+        ASSIGN("glTexBuffer", texBuffer);
+        ASSIGN("glUniformBlockBinding", uniformBlockBinding);
+    }
+
+    if (version >= gl::Version(3, 2))
+    {
+        ASSIGN("glClientWaitSync", clientWaitSync);
+        ASSIGN("glDeleteSync", deleteSync);
+        ASSIGN("glDrawElementsBaseVertex", drawElementsBaseVertex);
+        ASSIGN("glDrawElementsInstancedBaseVertex", drawElementsInstancedBaseVertex);
+        ASSIGN("glDrawRangeElementsBaseVertex", drawRangeElementsBaseVertex);
+        ASSIGN("glFenceSync", fenceSync);
+        ASSIGN("glFramebufferTexture", framebufferTexture);
+        ASSIGN("glGetBufferParameteri64v", getBufferParameteri64v);
+        ASSIGN("glGetInteger64i_v", getInteger64i_v);
+        ASSIGN("glGetInteger64v", getInteger64v);
+        ASSIGN("glGetMultisamplefv", getMultisamplefv);
+        ASSIGN("glGetSynciv", getSynciv);
+        ASSIGN("glIsSync", isSync);
+        ASSIGN("glMultiDrawElementsBaseVertex", multiDrawElementsBaseVertex);
+        ASSIGN("glProvokingVertex", provokingVertex);
+        ASSIGN("glSampleMaski", sampleMaski);
+        ASSIGN("glTexImage2DMultisample", texImage2DMultisample);
+        ASSIGN("glTexImage3DMultisample", texImage3DMultisample);
+        ASSIGN("glWaitSync", waitSync);
+    }
+
+    if (version >= gl::Version(3, 3))
+    {
+        ASSIGN("glBindFragDataLocationIndexed", bindFragDataLocationIndexed);
+        ASSIGN("glBindSampler", bindSampler);
+        ASSIGN("glDeleteSamplers", deleteSamplers);
+        ASSIGN("glGenSamplers", genSamplers);
+        ASSIGN("glGetFragDataIndex", getFragDataIndex);
+        ASSIGN("glGetQueryObjecti64v", getQueryObjecti64v);
+        ASSIGN("glGetQueryObjectui64v", getQueryObjectui64v);
+        ASSIGN("glGetSamplerParameterIiv", getSamplerParameterIiv);
+        ASSIGN("glGetSamplerParameterIuiv", getSamplerParameterIuiv);
+        ASSIGN("glGetSamplerParameterfv", getSamplerParameterfv);
+        ASSIGN("glGetSamplerParameteriv", getSamplerParameteriv);
+        ASSIGN("glIsSampler", isSampler);
+        ASSIGN("glQueryCounter", queryCounter);
+        ASSIGN("glSamplerParameterIiv", samplerParameterIiv);
+        ASSIGN("glSamplerParameterIuiv", samplerParameterIuiv);
+        ASSIGN("glSamplerParameterf", samplerParameterf);
+        ASSIGN("glSamplerParameterfv", samplerParameterfv);
+        ASSIGN("glSamplerParameteri", samplerParameteri);
+        ASSIGN("glSamplerParameteriv", samplerParameteriv);
+        ASSIGN("glVertexAttribDivisor", vertexAttribDivisor);
+        ASSIGN("glVertexAttribP1ui", vertexAttribP1ui);
+        ASSIGN("glVertexAttribP1uiv", vertexAttribP1uiv);
+        ASSIGN("glVertexAttribP2ui", vertexAttribP2ui);
+        ASSIGN("glVertexAttribP2uiv", vertexAttribP2uiv);
+        ASSIGN("glVertexAttribP3ui", vertexAttribP3ui);
+        ASSIGN("glVertexAttribP3uiv", vertexAttribP3uiv);
+        ASSIGN("glVertexAttribP4ui", vertexAttribP4ui);
+        ASSIGN("glVertexAttribP4uiv", vertexAttribP4uiv);
+    }
+
+    if (version >= gl::Version(4, 0))
+    {
+        ASSIGN("glBeginQueryIndexed", beginQueryIndexed);
+        ASSIGN("glBindTransformFeedback", bindTransformFeedback);
+        ASSIGN("glBlendEquationSeparatei", blendEquationSeparatei);
+        ASSIGN("glBlendEquationi", blendEquationi);
+        ASSIGN("glBlendFuncSeparatei", blendFuncSeparatei);
+        ASSIGN("glBlendFunci", blendFunci);
+        ASSIGN("glDeleteTransformFeedbacks", deleteTransformFeedbacks);
+        ASSIGN("glDrawArraysIndirect", drawArraysIndirect);
+        ASSIGN("glDrawElementsIndirect", drawElementsIndirect);
+        ASSIGN("glDrawTransformFeedback", drawTransformFeedback);
+        ASSIGN("glDrawTransformFeedbackStream", drawTransformFeedbackStream);
+        ASSIGN("glEndQueryIndexed", endQueryIndexed);
+        ASSIGN("glGenTransformFeedbacks", genTransformFeedbacks);
+        ASSIGN("glGetActiveSubroutineName", getActiveSubroutineName);
+        ASSIGN("glGetActiveSubroutineUniformName", getActiveSubroutineUniformName);
+        ASSIGN("glGetActiveSubroutineUniformiv", getActiveSubroutineUniformiv);
+        ASSIGN("glGetProgramStageiv", getProgramStageiv);
+        ASSIGN("glGetQueryIndexediv", getQueryIndexediv);
+        ASSIGN("glGetSubroutineIndex", getSubroutineIndex);
+        ASSIGN("glGetSubroutineUniformLocation", getSubroutineUniformLocation);
+        ASSIGN("glGetUniformSubroutineuiv", getUniformSubroutineuiv);
+        ASSIGN("glGetUniformdv", getUniformdv);
+        ASSIGN("glIsTransformFeedback", isTransformFeedback);
+        ASSIGN("glMinSampleShading", minSampleShading);
+        ASSIGN("glPatchParameterfv", patchParameterfv);
+        ASSIGN("glPatchParameteri", patchParameteri);
+        ASSIGN("glPauseTransformFeedback", pauseTransformFeedback);
+        ASSIGN("glResumeTransformFeedback", resumeTransformFeedback);
+        ASSIGN("glUniform1d", uniform1d);
+        ASSIGN("glUniform1dv", uniform1dv);
+        ASSIGN("glUniform2d", uniform2d);
+        ASSIGN("glUniform2dv", uniform2dv);
+        ASSIGN("glUniform3d", uniform3d);
+        ASSIGN("glUniform3dv", uniform3dv);
+        ASSIGN("glUniform4d", uniform4d);
+        ASSIGN("glUniform4dv", uniform4dv);
+        ASSIGN("glUniformMatrix2dv", uniformMatrix2dv);
+        ASSIGN("glUniformMatrix2x3dv", uniformMatrix2x3dv);
+        ASSIGN("glUniformMatrix2x4dv", uniformMatrix2x4dv);
+        ASSIGN("glUniformMatrix3dv", uniformMatrix3dv);
+        ASSIGN("glUniformMatrix3x2dv", uniformMatrix3x2dv);
+        ASSIGN("glUniformMatrix3x4dv", uniformMatrix3x4dv);
+        ASSIGN("glUniformMatrix4dv", uniformMatrix4dv);
+        ASSIGN("glUniformMatrix4x2dv", uniformMatrix4x2dv);
+        ASSIGN("glUniformMatrix4x3dv", uniformMatrix4x3dv);
+        ASSIGN("glUniformSubroutinesuiv", uniformSubroutinesuiv);
+    }
+
+    if (version >= gl::Version(4, 1))
+    {
+        ASSIGN("glActiveShaderProgram", activeShaderProgram);
+        ASSIGN("glBindProgramPipeline", bindProgramPipeline);
+        ASSIGN("glClearDepthf", clearDepthf);
+        ASSIGN("glCreateShaderProgramv", createShaderProgramv);
+        ASSIGN("glDeleteProgramPipelines", deleteProgramPipelines);
+        ASSIGN("glDepthRangeArrayv", depthRangeArrayv);
+        ASSIGN("glDepthRangeIndexed", depthRangeIndexed);
+        ASSIGN("glDepthRangef", depthRangef);
+        ASSIGN("glGenProgramPipelines", genProgramPipelines);
+        ASSIGN("glGetDoublei_v", getDoublei_v);
+        ASSIGN("glGetFloati_v", getFloati_v);
+        ASSIGN("glGetProgramBinary", getProgramBinary);
+        ASSIGN("glGetProgramPipelineInfoLog", getProgramPipelineInfoLog);
+        ASSIGN("glGetProgramPipelineiv", getProgramPipelineiv);
+        ASSIGN("glGetShaderPrecisionFormat", getShaderPrecisionFormat);
+        ASSIGN("glGetVertexAttribLdv", getVertexAttribLdv);
+        ASSIGN("glIsProgramPipeline", isProgramPipeline);
+        ASSIGN("glProgramBinary", programBinary);
+        ASSIGN("glProgramParameteri", programParameteri);
+        ASSIGN("glProgramUniform1d", programUniform1d);
+        ASSIGN("glProgramUniform1dv", programUniform1dv);
+        ASSIGN("glProgramUniform1f", programUniform1f);
+        ASSIGN("glProgramUniform1fv", programUniform1fv);
+        ASSIGN("glProgramUniform1i", programUniform1i);
+        ASSIGN("glProgramUniform1iv", programUniform1iv);
+        ASSIGN("glProgramUniform1ui", programUniform1ui);
+        ASSIGN("glProgramUniform1uiv", programUniform1uiv);
+        ASSIGN("glProgramUniform2d", programUniform2d);
+        ASSIGN("glProgramUniform2dv", programUniform2dv);
+        ASSIGN("glProgramUniform2f", programUniform2f);
+        ASSIGN("glProgramUniform2fv", programUniform2fv);
+        ASSIGN("glProgramUniform2i", programUniform2i);
+        ASSIGN("glProgramUniform2iv", programUniform2iv);
+        ASSIGN("glProgramUniform2ui", programUniform2ui);
+        ASSIGN("glProgramUniform2uiv", programUniform2uiv);
+        ASSIGN("glProgramUniform3d", programUniform3d);
+        ASSIGN("glProgramUniform3dv", programUniform3dv);
+        ASSIGN("glProgramUniform3f", programUniform3f);
+        ASSIGN("glProgramUniform3fv", programUniform3fv);
+        ASSIGN("glProgramUniform3i", programUniform3i);
+        ASSIGN("glProgramUniform3iv", programUniform3iv);
+        ASSIGN("glProgramUniform3ui", programUniform3ui);
+        ASSIGN("glProgramUniform3uiv", programUniform3uiv);
+        ASSIGN("glProgramUniform4d", programUniform4d);
+        ASSIGN("glProgramUniform4dv", programUniform4dv);
+        ASSIGN("glProgramUniform4f", programUniform4f);
+        ASSIGN("glProgramUniform4fv", programUniform4fv);
+        ASSIGN("glProgramUniform4i", programUniform4i);
+        ASSIGN("glProgramUniform4iv", programUniform4iv);
+        ASSIGN("glProgramUniform4ui", programUniform4ui);
+        ASSIGN("glProgramUniform4uiv", programUniform4uiv);
+        ASSIGN("glProgramUniformMatrix2dv", programUniformMatrix2dv);
+        ASSIGN("glProgramUniformMatrix2fv", programUniformMatrix2fv);
+        ASSIGN("glProgramUniformMatrix2x3dv", programUniformMatrix2x3dv);
+        ASSIGN("glProgramUniformMatrix2x3fv", programUniformMatrix2x3fv);
+        ASSIGN("glProgramUniformMatrix2x4dv", programUniformMatrix2x4dv);
+        ASSIGN("glProgramUniformMatrix2x4fv", programUniformMatrix2x4fv);
+        ASSIGN("glProgramUniformMatrix3dv", programUniformMatrix3dv);
+        ASSIGN("glProgramUniformMatrix3fv", programUniformMatrix3fv);
+        ASSIGN("glProgramUniformMatrix3x2dv", programUniformMatrix3x2dv);
+        ASSIGN("glProgramUniformMatrix3x2fv", programUniformMatrix3x2fv);
+        ASSIGN("glProgramUniformMatrix3x4dv", programUniformMatrix3x4dv);
+        ASSIGN("glProgramUniformMatrix3x4fv", programUniformMatrix3x4fv);
+        ASSIGN("glProgramUniformMatrix4dv", programUniformMatrix4dv);
+        ASSIGN("glProgramUniformMatrix4fv", programUniformMatrix4fv);
+        ASSIGN("glProgramUniformMatrix4x2dv", programUniformMatrix4x2dv);
+        ASSIGN("glProgramUniformMatrix4x2fv", programUniformMatrix4x2fv);
+        ASSIGN("glProgramUniformMatrix4x3dv", programUniformMatrix4x3dv);
+        ASSIGN("glProgramUniformMatrix4x3fv", programUniformMatrix4x3fv);
+        ASSIGN("glReleaseShaderCompiler", releaseShaderCompiler);
+        ASSIGN("glScissorArrayv", scissorArrayv);
+        ASSIGN("glScissorIndexed", scissorIndexed);
+        ASSIGN("glScissorIndexedv", scissorIndexedv);
+        ASSIGN("glShaderBinary", shaderBinary);
+        ASSIGN("glUseProgramStages", useProgramStages);
+        ASSIGN("glValidateProgramPipeline", validateProgramPipeline);
+        ASSIGN("glVertexAttribL1d", vertexAttribL1d);
+        ASSIGN("glVertexAttribL1dv", vertexAttribL1dv);
+        ASSIGN("glVertexAttribL2d", vertexAttribL2d);
+        ASSIGN("glVertexAttribL2dv", vertexAttribL2dv);
+        ASSIGN("glVertexAttribL3d", vertexAttribL3d);
+        ASSIGN("glVertexAttribL3dv", vertexAttribL3dv);
+        ASSIGN("glVertexAttribL4d", vertexAttribL4d);
+        ASSIGN("glVertexAttribL4dv", vertexAttribL4dv);
+        ASSIGN("glVertexAttribLPointer", vertexAttribLPointer);
+        ASSIGN("glViewportArrayv", viewportArrayv);
+        ASSIGN("glViewportIndexedf", viewportIndexedf);
+        ASSIGN("glViewportIndexedfv", viewportIndexedfv);
+    }
+
+    if (version >= gl::Version(4, 2))
+    {
+        ASSIGN("glBindImageTexture", bindImageTexture);
+        ASSIGN("glDrawArraysInstancedBaseInstance", drawArraysInstancedBaseInstance);
+        ASSIGN("glDrawElementsInstancedBaseInstance", drawElementsInstancedBaseInstance);
+        ASSIGN("glDrawElementsInstancedBaseVertexBaseInstance",
+               drawElementsInstancedBaseVertexBaseInstance);
+        ASSIGN("glDrawTransformFeedbackInstanced", drawTransformFeedbackInstanced);
+        ASSIGN("glDrawTransformFeedbackStreamInstanced", drawTransformFeedbackStreamInstanced);
+        ASSIGN("glGetActiveAtomicCounterBufferiv", getActiveAtomicCounterBufferiv);
+        ASSIGN("glGetInternalformativ", getInternalformativ);
+        ASSIGN("glMemoryBarrier", memoryBarrier);
+        ASSIGN("glTexStorage1D", texStorage1D);
+        ASSIGN("glTexStorage2D", texStorage2D);
+        ASSIGN("glTexStorage3D", texStorage3D);
+    }
+
+    if (version >= gl::Version(4, 3))
+    {
+        ASSIGN("glBindVertexBuffer", bindVertexBuffer);
+        ASSIGN("glClearBufferData", clearBufferData);
+        ASSIGN("glClearBufferSubData", clearBufferSubData);
+        ASSIGN("glCopyImageSubData", copyImageSubData);
+        ASSIGN("glDebugMessageCallback", debugMessageCallback);
+        ASSIGN("glDebugMessageControl", debugMessageControl);
+        ASSIGN("glDebugMessageInsert", debugMessageInsert);
+        ASSIGN("glDispatchCompute", dispatchCompute);
+        ASSIGN("glDispatchComputeIndirect", dispatchComputeIndirect);
+        ASSIGN("glFramebufferParameteri", framebufferParameteri);
+        ASSIGN("glGetDebugMessageLog", getDebugMessageLog);
+        ASSIGN("glGetFramebufferParameteriv", getFramebufferParameteriv);
+        ASSIGN("glGetInternalformati64v", getInternalformati64v);
+        ASSIGN("glGetObjectLabel", getObjectLabel);
+        ASSIGN("glGetObjectPtrLabel", getObjectPtrLabel);
+        ASSIGN("glGetPointerv", getPointerv);
+        ASSIGN("glGetProgramInterfaceiv", getProgramInterfaceiv);
+        ASSIGN("glGetProgramResourceIndex", getProgramResourceIndex);
+        ASSIGN("glGetProgramResourceLocation", getProgramResourceLocation);
+        ASSIGN("glGetProgramResourceLocationIndex", getProgramResourceLocationIndex);
+        ASSIGN("glGetProgramResourceName", getProgramResourceName);
+        ASSIGN("glGetProgramResourceiv", getProgramResourceiv);
+        ASSIGN("glInvalidateBufferData", invalidateBufferData);
+        ASSIGN("glInvalidateBufferSubData", invalidateBufferSubData);
+        ASSIGN("glInvalidateFramebuffer", invalidateFramebuffer);
+        ASSIGN("glInvalidateSubFramebuffer", invalidateSubFramebuffer);
+        ASSIGN("glInvalidateTexImage", invalidateTexImage);
+        ASSIGN("glInvalidateTexSubImage", invalidateTexSubImage);
+        ASSIGN("glMultiDrawArraysIndirect", multiDrawArraysIndirect);
+        ASSIGN("glMultiDrawElementsIndirect", multiDrawElementsIndirect);
+        ASSIGN("glObjectLabel", objectLabel);
+        ASSIGN("glObjectPtrLabel", objectPtrLabel);
+        ASSIGN("glPopDebugGroup", popDebugGroup);
+        ASSIGN("glPushDebugGroup", pushDebugGroup);
+        ASSIGN("glShaderStorageBlockBinding", shaderStorageBlockBinding);
+        ASSIGN("glTexBufferRange", texBufferRange);
+        ASSIGN("glTexStorage2DMultisample", texStorage2DMultisample);
+        ASSIGN("glTexStorage3DMultisample", texStorage3DMultisample);
+        ASSIGN("glTextureView", textureView);
+        ASSIGN("glVertexAttribBinding", vertexAttribBinding);
+        ASSIGN("glVertexAttribFormat", vertexAttribFormat);
+        ASSIGN("glVertexAttribIFormat", vertexAttribIFormat);
+        ASSIGN("glVertexAttribLFormat", vertexAttribLFormat);
+        ASSIGN("glVertexBindingDivisor", vertexBindingDivisor);
+    }
+
+    if (version >= gl::Version(4, 4))
+    {
+        ASSIGN("glBindBuffersBase", bindBuffersBase);
+        ASSIGN("glBindBuffersRange", bindBuffersRange);
+        ASSIGN("glBindImageTextures", bindImageTextures);
+        ASSIGN("glBindSamplers", bindSamplers);
+        ASSIGN("glBindTextures", bindTextures);
+        ASSIGN("glBindVertexBuffers", bindVertexBuffers);
+        ASSIGN("glBufferStorage", bufferStorage);
+        ASSIGN("glClearTexImage", clearTexImage);
+        ASSIGN("glClearTexSubImage", clearTexSubImage);
+    }
+
+    if (version >= gl::Version(4, 5))
+    {
+        ASSIGN("glBindTextureUnit", bindTextureUnit);
+        ASSIGN("glBlitNamedFramebuffer", blitNamedFramebuffer);
+        ASSIGN("glCheckNamedFramebufferStatus", checkNamedFramebufferStatus);
+        ASSIGN("glClearNamedBufferData", clearNamedBufferData);
+        ASSIGN("glClearNamedBufferSubData", clearNamedBufferSubData);
+        ASSIGN("glClearNamedFramebufferfi", clearNamedFramebufferfi);
+        ASSIGN("glClearNamedFramebufferfv", clearNamedFramebufferfv);
+        ASSIGN("glClearNamedFramebufferiv", clearNamedFramebufferiv);
+        ASSIGN("glClearNamedFramebufferuiv", clearNamedFramebufferuiv);
+        ASSIGN("glClipControl", clipControl);
+        ASSIGN("glCompressedTextureSubImage1D", compressedTextureSubImage1D);
+        ASSIGN("glCompressedTextureSubImage2D", compressedTextureSubImage2D);
+        ASSIGN("glCompressedTextureSubImage3D", compressedTextureSubImage3D);
+        ASSIGN("glCopyNamedBufferSubData", copyNamedBufferSubData);
+        ASSIGN("glCopyTextureSubImage1D", copyTextureSubImage1D);
+        ASSIGN("glCopyTextureSubImage2D", copyTextureSubImage2D);
+        ASSIGN("glCopyTextureSubImage3D", copyTextureSubImage3D);
+        ASSIGN("glCreateBuffers", createBuffers);
+        ASSIGN("glCreateFramebuffers", createFramebuffers);
+        ASSIGN("glCreateProgramPipelines", createProgramPipelines);
+        ASSIGN("glCreateQueries", createQueries);
+        ASSIGN("glCreateRenderbuffers", createRenderbuffers);
+        ASSIGN("glCreateSamplers", createSamplers);
+        ASSIGN("glCreateTextures", createTextures);
+        ASSIGN("glCreateTransformFeedbacks", createTransformFeedbacks);
+        ASSIGN("glCreateVertexArrays", createVertexArrays);
+        ASSIGN("glDisableVertexArrayAttrib", disableVertexArrayAttrib);
+        ASSIGN("glEnableVertexArrayAttrib", enableVertexArrayAttrib);
+        ASSIGN("glFlushMappedNamedBufferRange", flushMappedNamedBufferRange);
+        ASSIGN("glGenerateTextureMipmap", generateTextureMipmap);
+        ASSIGN("glGetCompressedTextureImage", getCompressedTextureImage);
+        ASSIGN("glGetCompressedTextureSubImage", getCompressedTextureSubImage);
+        ASSIGN("glGetGraphicsResetStatus", getGraphicsResetStatus);
+        ASSIGN("glGetNamedBufferParameteri64v", getNamedBufferParameteri64v);
+        ASSIGN("glGetNamedBufferParameteriv", getNamedBufferParameteriv);
+        ASSIGN("glGetNamedBufferPointerv", getNamedBufferPointerv);
+        ASSIGN("glGetNamedBufferSubData", getNamedBufferSubData);
+        ASSIGN("glGetNamedFramebufferAttachmentParameteriv",
+               getNamedFramebufferAttachmentParameteriv);
+        ASSIGN("glGetNamedFramebufferParameteriv", getNamedFramebufferParameteriv);
+        ASSIGN("glGetNamedRenderbufferParameteriv", getNamedRenderbufferParameteriv);
+        ASSIGN("glGetQueryBufferObjecti64v", getQueryBufferObjecti64v);
+        ASSIGN("glGetQueryBufferObjectiv", getQueryBufferObjectiv);
+        ASSIGN("glGetQueryBufferObjectui64v", getQueryBufferObjectui64v);
+        ASSIGN("glGetQueryBufferObjectuiv", getQueryBufferObjectuiv);
+        ASSIGN("glGetTextureImage", getTextureImage);
+        ASSIGN("glGetTextureLevelParameterfv", getTextureLevelParameterfv);
+        ASSIGN("glGetTextureLevelParameteriv", getTextureLevelParameteriv);
+        ASSIGN("glGetTextureParameterIiv", getTextureParameterIiv);
+        ASSIGN("glGetTextureParameterIuiv", getTextureParameterIuiv);
+        ASSIGN("glGetTextureParameterfv", getTextureParameterfv);
+        ASSIGN("glGetTextureParameteriv", getTextureParameteriv);
+        ASSIGN("glGetTextureSubImage", getTextureSubImage);
+        ASSIGN("glGetTransformFeedbacki64_v", getTransformFeedbacki64_v);
+        ASSIGN("glGetTransformFeedbacki_v", getTransformFeedbacki_v);
+        ASSIGN("glGetTransformFeedbackiv", getTransformFeedbackiv);
+        ASSIGN("glGetVertexArrayIndexed64iv", getVertexArrayIndexed64iv);
+        ASSIGN("glGetVertexArrayIndexediv", getVertexArrayIndexediv);
+        ASSIGN("glGetVertexArrayiv", getVertexArrayiv);
+        ASSIGN("glGetnCompressedTexImage", getnCompressedTexImage);
+        ASSIGN("glGetnTexImage", getnTexImage);
+        ASSIGN("glGetnUniformdv", getnUniformdv);
+        ASSIGN("glGetnUniformfv", getnUniformfv);
+        ASSIGN("glGetnUniformiv", getnUniformiv);
+        ASSIGN("glGetnUniformuiv", getnUniformuiv);
+        ASSIGN("glInvalidateNamedFramebufferData", invalidateNamedFramebufferData);
+        ASSIGN("glInvalidateNamedFramebufferSubData", invalidateNamedFramebufferSubData);
+        ASSIGN("glMapNamedBuffer", mapNamedBuffer);
+        ASSIGN("glMapNamedBufferRange", mapNamedBufferRange);
+        ASSIGN("glMemoryBarrierByRegion", memoryBarrierByRegion);
+        ASSIGN("glNamedBufferData", namedBufferData);
+        ASSIGN("glNamedBufferStorage", namedBufferStorage);
+        ASSIGN("glNamedBufferSubData", namedBufferSubData);
+        ASSIGN("glNamedFramebufferDrawBuffer", namedFramebufferDrawBuffer);
+        ASSIGN("glNamedFramebufferDrawBuffers", namedFramebufferDrawBuffers);
+        ASSIGN("glNamedFramebufferParameteri", namedFramebufferParameteri);
+        ASSIGN("glNamedFramebufferReadBuffer", namedFramebufferReadBuffer);
+        ASSIGN("glNamedFramebufferRenderbuffer", namedFramebufferRenderbuffer);
+        ASSIGN("glNamedFramebufferTexture", namedFramebufferTexture);
+        ASSIGN("glNamedFramebufferTextureLayer", namedFramebufferTextureLayer);
+        ASSIGN("glNamedRenderbufferStorage", namedRenderbufferStorage);
+        ASSIGN("glNamedRenderbufferStorageMultisample", namedRenderbufferStorageMultisample);
+        ASSIGN("glReadnPixels", readnPixels);
+        ASSIGN("glTextureBarrier", textureBarrier);
+        ASSIGN("glTextureBuffer", textureBuffer);
+        ASSIGN("glTextureBufferRange", textureBufferRange);
+        ASSIGN("glTextureParameterIiv", textureParameterIiv);
+        ASSIGN("glTextureParameterIuiv", textureParameterIuiv);
+        ASSIGN("glTextureParameterf", textureParameterf);
+        ASSIGN("glTextureParameterfv", textureParameterfv);
+        ASSIGN("glTextureParameteri", textureParameteri);
+        ASSIGN("glTextureParameteriv", textureParameteriv);
+        ASSIGN("glTextureStorage1D", textureStorage1D);
+        ASSIGN("glTextureStorage2D", textureStorage2D);
+        ASSIGN("glTextureStorage2DMultisample", textureStorage2DMultisample);
+        ASSIGN("glTextureStorage3D", textureStorage3D);
+        ASSIGN("glTextureStorage3DMultisample", textureStorage3DMultisample);
+        ASSIGN("glTextureSubImage1D", textureSubImage1D);
+        ASSIGN("glTextureSubImage2D", textureSubImage2D);
+        ASSIGN("glTextureSubImage3D", textureSubImage3D);
+        ASSIGN("glTransformFeedbackBufferBase", transformFeedbackBufferBase);
+        ASSIGN("glTransformFeedbackBufferRange", transformFeedbackBufferRange);
+        ASSIGN("glUnmapNamedBuffer", unmapNamedBuffer);
+        ASSIGN("glVertexArrayAttribBinding", vertexArrayAttribBinding);
+        ASSIGN("glVertexArrayAttribFormat", vertexArrayAttribFormat);
+        ASSIGN("glVertexArrayAttribIFormat", vertexArrayAttribIFormat);
+        ASSIGN("glVertexArrayAttribLFormat", vertexArrayAttribLFormat);
+        ASSIGN("glVertexArrayBindingDivisor", vertexArrayBindingDivisor);
+        ASSIGN("glVertexArrayElementBuffer", vertexArrayElementBuffer);
+        ASSIGN("glVertexArrayVertexBuffer", vertexArrayVertexBuffer);
+        ASSIGN("glVertexArrayVertexBuffers", vertexArrayVertexBuffers);
+    }
 #endif  // defined(ANGLE_ENABLE_OPENGL_DESKTOP)
 }
 
 void DispatchTableGL::initProcsGLES(const gl::Version &version,
                                     const std::set<std::string> &extensions)
 {
+    if (extensions.count("GL_EXT_base_instance") != 0)
+    {
+        ASSIGN("glDrawArraysInstancedBaseInstanceEXT", drawArraysInstancedBaseInstance);
+        ASSIGN("glDrawElementsInstancedBaseInstanceEXT", drawElementsInstancedBaseInstance);
+        ASSIGN("glDrawElementsInstancedBaseVertexBaseInstanceEXT",
+               drawElementsInstancedBaseVertexBaseInstance);
+    }
+
+    if (extensions.count("GL_EXT_blend_func_extended") != 0)
+    {
+        ASSIGN("glBindFragDataLocationEXT", bindFragDataLocation);
+        ASSIGN("glBindFragDataLocationIndexedEXT", bindFragDataLocationIndexed);
+        ASSIGN("glGetFragDataIndexEXT", getFragDataIndex);
+        ASSIGN("glGetProgramResourceLocationIndexEXT", getProgramResourceLocationIndex);
+    }
+
+    if (extensions.count("GL_EXT_buffer_storage") != 0)
+    {
+        ASSIGN("glBufferStorageEXT", bufferStorage);
+    }
+
+    if (extensions.count("GL_EXT_clear_texture") != 0)
+    {
+        ASSIGN("glClearTexImageEXT", clearTexImage);
+        ASSIGN("glClearTexSubImageEXT", clearTexSubImage);
+    }
+
+    if (extensions.count("GL_EXT_clip_control") != 0)
+    {
+        ASSIGN("glClipControlEXT", clipControl);
+    }
+
+    if (extensions.count("GL_EXT_copy_image") != 0)
+    {
+        ASSIGN("glCopyImageSubDataEXT", copyImageSubData);
+    }
+
+    if (extensions.count("GL_EXT_discard_framebuffer") != 0)
+    {
+        ASSIGN("glDiscardFramebufferEXT", discardFramebufferEXT);
+    }
+
+    if (extensions.count("GL_EXT_disjoint_timer_query") != 0)
+    {
+        ASSIGN("glBeginQueryEXT", beginQuery);
+        ASSIGN("glDeleteQueriesEXT", deleteQueries);
+        ASSIGN("glEndQueryEXT", endQuery);
+        ASSIGN("glGenQueriesEXT", genQueries);
+        ASSIGN("glGetInteger64vEXT", getInteger64v);
+        ASSIGN("glGetQueryObjecti64vEXT", getQueryObjecti64v);
+        ASSIGN("glGetQueryObjectivEXT", getQueryObjectiv);
+        ASSIGN("glGetQueryObjectui64vEXT", getQueryObjectui64v);
+        ASSIGN("glGetQueryObjectuivEXT", getQueryObjectuiv);
+        ASSIGN("glGetQueryivEXT", getQueryiv);
+        ASSIGN("glIsQueryEXT", isQuery);
+        ASSIGN("glQueryCounterEXT", queryCounter);
+    }
+
+    if (extensions.count("GL_EXT_draw_buffers") != 0)
+    {
+        ASSIGN("glDrawBuffersEXT", drawBuffers);
+    }
+
+    if (extensions.count("GL_EXT_draw_buffers_indexed") != 0)
+    {
+        ASSIGN("glBlendEquationSeparateiEXT", blendEquationSeparatei);
+        ASSIGN("glBlendEquationiEXT", blendEquationi);
+        ASSIGN("glBlendFuncSeparateiEXT", blendFuncSeparatei);
+        ASSIGN("glBlendFunciEXT", blendFunci);
+        ASSIGN("glColorMaskiEXT", colorMaski);
+        ASSIGN("glDisableiEXT", disablei);
+        ASSIGN("glEnableiEXT", enablei);
+        ASSIGN("glIsEnablediEXT", isEnabledi);
+    }
+
+    if (extensions.count("GL_EXT_draw_elements_base_vertex") != 0)
+    {
+        ASSIGN("glDrawElementsBaseVertexEXT", drawElementsBaseVertex);
+        ASSIGN("glDrawElementsInstancedBaseVertexEXT", drawElementsInstancedBaseVertex);
+        ASSIGN("glDrawRangeElementsBaseVertexEXT", drawRangeElementsBaseVertex);
+        ASSIGN("glMultiDrawElementsBaseVertexEXT", multiDrawElementsBaseVertex);
+    }
+
+    if (extensions.count("GL_EXT_draw_transform_feedback") != 0)
+    {
+        ASSIGN("glDrawTransformFeedbackEXT", drawTransformFeedback);
+        ASSIGN("glDrawTransformFeedbackInstancedEXT", drawTransformFeedbackInstanced);
+    }
+
+    if (extensions.count("GL_EXT_geometry_shader") != 0)
+    {
+        ASSIGN("glFramebufferTextureEXT", framebufferTexture);
+    }
+
+    if (extensions.count("GL_EXT_instanced_arrays") != 0)
+    {
+        ASSIGN("glVertexAttribDivisorEXT", vertexAttribDivisor);
+    }
+
+    if (extensions.count("GL_EXT_map_buffer_range") != 0)
+    {
+        ASSIGN("glFlushMappedBufferRangeEXT", flushMappedBufferRange);
+        ASSIGN("glMapBufferRangeEXT", mapBufferRange);
+    }
+
+    if (extensions.count("GL_EXT_multi_draw_indirect") != 0)
+    {
+        ASSIGN("glMultiDrawArraysIndirectEXT", multiDrawArraysIndirect);
+        ASSIGN("glMultiDrawElementsIndirectEXT", multiDrawElementsIndirect);
+    }
+
+    if (extensions.count("GL_EXT_multisampled_render_to_texture") != 0)
+    {
+        ASSIGN("glRenderbufferStorageMultisampleEXT", renderbufferStorageMultisample);
+    }
+
+    if (extensions.count("GL_EXT_multiview_draw_buffers") != 0)
+    {
+        ASSIGN("glGetIntegeri_vEXT", getIntegeri_v);
+    }
+
+    if (extensions.count("GL_EXT_occlusion_query_boolean") != 0)
+    {
+        ASSIGN("glBeginQueryEXT", beginQuery);
+        ASSIGN("glDeleteQueriesEXT", deleteQueries);
+        ASSIGN("glEndQueryEXT", endQuery);
+        ASSIGN("glGenQueriesEXT", genQueries);
+        ASSIGN("glGetQueryObjectuivEXT", getQueryObjectuiv);
+        ASSIGN("glGetQueryivEXT", getQueryiv);
+        ASSIGN("glIsQueryEXT", isQuery);
+    }
+
+    if (extensions.count("GL_EXT_primitive_bounding_box") != 0)
+    {
+        ASSIGN("glPrimitiveBoundingBoxEXT", primitiveBoundingBox);
+    }
+
+    if (extensions.count("GL_EXT_robustness") != 0)
+    {
+        ASSIGN("glGetGraphicsResetStatusEXT", getGraphicsResetStatus);
+        ASSIGN("glGetnUniformfvEXT", getnUniformfv);
+        ASSIGN("glGetnUniformivEXT", getnUniformiv);
+        ASSIGN("glReadnPixelsEXT", readnPixels);
+    }
+
+    if (extensions.count("GL_EXT_tessellation_shader") != 0)
+    {
+        ASSIGN("glPatchParameteriEXT", patchParameteri);
+    }
+
+    if (extensions.count("GL_EXT_texture_border_clamp") != 0)
+    {
+        ASSIGN("glGetSamplerParameterIivEXT", getSamplerParameterIiv);
+        ASSIGN("glGetSamplerParameterIuivEXT", getSamplerParameterIuiv);
+        ASSIGN("glGetTexParameterIivEXT", getTexParameterIiv);
+        ASSIGN("glGetTexParameterIuivEXT", getTexParameterIuiv);
+        ASSIGN("glSamplerParameterIivEXT", samplerParameterIiv);
+        ASSIGN("glSamplerParameterIuivEXT", samplerParameterIuiv);
+        ASSIGN("glTexParameterIivEXT", texParameterIiv);
+        ASSIGN("glTexParameterIuivEXT", texParameterIuiv);
+    }
+
+    if (extensions.count("GL_EXT_texture_buffer") != 0)
+    {
+        ASSIGN("glTexBufferEXT", texBuffer);
+        ASSIGN("glTexBufferEXT", texBufferEXT);
+        ASSIGN("glTexBufferRangeEXT", texBufferRange);
+        ASSIGN("glTexBufferRangeEXT", texBufferRangeEXT);
+    }
+
+    if (extensions.count("GL_EXT_texture_storage") != 0)
+    {
+        ASSIGN("glTexStorage1DEXT", texStorage1D);
+        ASSIGN("glTexStorage2DEXT", texStorage2D);
+        ASSIGN("glTexStorage3DEXT", texStorage3D);
+        ASSIGN("glTextureStorage1DEXT", textureStorage1D);
+        ASSIGN("glTextureStorage2DEXT", textureStorage2D);
+        ASSIGN("glTextureStorage3DEXT", textureStorage3D);
+    }
+
+    if (extensions.count("GL_EXT_texture_view") != 0)
+    {
+        ASSIGN("glTextureViewEXT", textureView);
+    }
+
+    if (extensions.count("GL_KHR_debug") != 0)
+    {
+        ASSIGN("glDebugMessageCallbackKHR", debugMessageCallback);
+        ASSIGN("glDebugMessageControlKHR", debugMessageControl);
+        ASSIGN("glDebugMessageInsertKHR", debugMessageInsert);
+        ASSIGN("glGetDebugMessageLogKHR", getDebugMessageLog);
+        ASSIGN("glGetObjectLabelKHR", getObjectLabel);
+        ASSIGN("glGetObjectPtrLabelKHR", getObjectPtrLabel);
+        ASSIGN("glGetPointervKHR", getPointerv);
+        ASSIGN("glObjectLabelKHR", objectLabel);
+        ASSIGN("glObjectPtrLabelKHR", objectPtrLabel);
+        ASSIGN("glPopDebugGroupKHR", popDebugGroup);
+        ASSIGN("glPushDebugGroupKHR", pushDebugGroup);
+    }
+
+    if (extensions.count("GL_KHR_robustness") != 0)
+    {
+        ASSIGN("glGetGraphicsResetStatusKHR", getGraphicsResetStatus);
+        ASSIGN("glGetnUniformfvKHR", getnUniformfv);
+        ASSIGN("glGetnUniformivKHR", getnUniformiv);
+        ASSIGN("glGetnUniformuivKHR", getnUniformuiv);
+        ASSIGN("glReadnPixelsKHR", readnPixels);
+    }
+
+    if (extensions.count("GL_NV_framebuffer_blit") != 0)
+    {
+        ASSIGN("glBlitFramebufferNV", blitFramebufferNV);
+    }
+
+    if (extensions.count("GL_OES_EGL_image") != 0)
+    {
+        ASSIGN("glEGLImageTargetRenderbufferStorageOES", eGLImageTargetRenderbufferStorageOES);
+        ASSIGN("glEGLImageTargetTexture2DOES", eGLImageTargetTexture2DOES);
+    }
+
+    if (extensions.count("GL_OES_copy_image") != 0)
+    {
+        ASSIGN("glCopyImageSubDataOES", copyImageSubData);
+    }
+
+    if (extensions.count("GL_OES_draw_buffers_indexed") != 0)
+    {
+        ASSIGN("glBlendEquationSeparateiOES", blendEquationSeparatei);
+        ASSIGN("glBlendEquationiOES", blendEquationi);
+        ASSIGN("glBlendFuncSeparateiOES", blendFuncSeparatei);
+        ASSIGN("glBlendFunciOES", blendFunci);
+        ASSIGN("glColorMaskiOES", colorMaski);
+        ASSIGN("glDisableiOES", disablei);
+        ASSIGN("glEnableiOES", enablei);
+        ASSIGN("glIsEnablediOES", isEnabledi);
+    }
+
+    if (extensions.count("GL_OES_draw_elements_base_vertex") != 0)
+    {
+        ASSIGN("glDrawElementsBaseVertexOES", drawElementsBaseVertex);
+        ASSIGN("glDrawElementsInstancedBaseVertexOES", drawElementsInstancedBaseVertex);
+        ASSIGN("glDrawRangeElementsBaseVertexOES", drawRangeElementsBaseVertex);
+        ASSIGN("glMultiDrawElementsBaseVertexEXT", multiDrawElementsBaseVertex);
+    }
+
+    if (extensions.count("GL_OES_geometry_shader") != 0)
+    {
+        ASSIGN("glFramebufferTextureOES", framebufferTexture);
+    }
+
+    if (extensions.count("GL_OES_get_program_binary") != 0)
+    {
+        ASSIGN("glGetProgramBinaryOES", getProgramBinary);
+        ASSIGN("glProgramBinaryOES", programBinary);
+    }
+
+    if (extensions.count("GL_OES_mapbuffer") != 0)
+    {
+        ASSIGN("glGetBufferPointervOES", getBufferPointerv);
+        ASSIGN("glMapBufferOES", mapBuffer);
+        ASSIGN("glUnmapBufferOES", unmapBuffer);
+    }
+
+    if (extensions.count("GL_OES_primitive_bounding_box") != 0)
+    {
+        ASSIGN("glPrimitiveBoundingBoxOES", primitiveBoundingBox);
+    }
+
+    if (extensions.count("GL_OES_sample_shading") != 0)
+    {
+        ASSIGN("glMinSampleShadingOES", minSampleShading);
+    }
+
+    if (extensions.count("GL_OES_tessellation_shader") != 0)
+    {
+        ASSIGN("glPatchParameteriOES", patchParameteri);
+    }
+
+    if (extensions.count("GL_OES_texture_3D") != 0)
+    {
+        ASSIGN("glCompressedTexImage3DOES", compressedTexImage3D);
+        ASSIGN("glCompressedTexSubImage3DOES", compressedTexSubImage3D);
+        ASSIGN("glCopyTexSubImage3DOES", copyTexSubImage3D);
+        ASSIGN("glFramebufferTexture3DOES", framebufferTexture3D);
+        ASSIGN("glTexImage3DOES", texImage3D);
+        ASSIGN("glTexSubImage3DOES", texSubImage3D);
+    }
+
+    if (extensions.count("GL_OES_texture_border_clamp") != 0)
+    {
+        ASSIGN("glGetSamplerParameterIivOES", getSamplerParameterIiv);
+        ASSIGN("glGetSamplerParameterIuivOES", getSamplerParameterIuiv);
+        ASSIGN("glGetTexParameterIivOES", getTexParameterIiv);
+        ASSIGN("glGetTexParameterIuivOES", getTexParameterIuiv);
+        ASSIGN("glSamplerParameterIivOES", samplerParameterIiv);
+        ASSIGN("glSamplerParameterIuivOES", samplerParameterIuiv);
+        ASSIGN("glTexParameterIivOES", texParameterIiv);
+        ASSIGN("glTexParameterIuivOES", texParameterIuiv);
+    }
+
+    if (extensions.count("GL_OES_texture_buffer") != 0)
+    {
+        ASSIGN("glTexBufferOES", texBuffer);
+        ASSIGN("glTexBufferOES", texBufferOES);
+        ASSIGN("glTexBufferRangeOES", texBufferRange);
+        ASSIGN("glTexBufferRangeOES", texBufferRangeOES);
+    }
+
+    if (extensions.count("GL_OES_texture_storage_multisample_2d_array") != 0)
+    {
+        ASSIGN("glTexStorage3DMultisampleOES", texStorage3DMultisample);
+    }
+
+    if (extensions.count("GL_OES_texture_view") != 0)
+    {
+        ASSIGN("glTextureViewOES", textureView);
+    }
+
+    if (extensions.count("GL_OES_vertex_array_object") != 0)
+    {
+        ASSIGN("glBindVertexArrayOES", bindVertexArray);
+        ASSIGN("glDeleteVertexArraysOES", deleteVertexArrays);
+        ASSIGN("glGenVertexArraysOES", genVertexArrays);
+        ASSIGN("glIsVertexArrayOES", isVertexArray);
+    }
+
+    if (extensions.count("GL_OES_viewport_array") != 0)
+    {
+        ASSIGN("glDisableiOES", disablei);
+        ASSIGN("glEnableiOES", enablei);
+        ASSIGN("glGetFloati_vOES", getFloati_v);
+        ASSIGN("glIsEnablediOES", isEnabledi);
+        ASSIGN("glScissorArrayvOES", scissorArrayv);
+        ASSIGN("glScissorIndexedOES", scissorIndexed);
+        ASSIGN("glScissorIndexedvOES", scissorIndexedv);
+        ASSIGN("glViewportArrayvOES", viewportArrayv);
+        ASSIGN("glViewportIndexedfOES", viewportIndexedf);
+        ASSIGN("glViewportIndexedfvOES", viewportIndexedfv);
+    }
+
     if (version >= gl::Version(2, 0))
     {
         ASSIGN("glActiveTexture", activeTexture);
@@ -2296,346 +2637,6 @@ void DispatchTableGL::initProcsGLES(const gl::Version &version,
         ASSIGN("glTexParameterIuiv", texParameterIuiv);
         ASSIGN("glTexStorage3DMultisample", texStorage3DMultisample);
     }
-
-    if (extensions.count("GL_EXT_base_instance") != 0)
-    {
-        ASSIGN("glDrawArraysInstancedBaseInstanceEXT", drawArraysInstancedBaseInstance);
-        ASSIGN("glDrawElementsInstancedBaseInstanceEXT", drawElementsInstancedBaseInstance);
-        ASSIGN("glDrawElementsInstancedBaseVertexBaseInstanceEXT",
-               drawElementsInstancedBaseVertexBaseInstance);
-    }
-
-    if (extensions.count("GL_EXT_blend_func_extended") != 0)
-    {
-        ASSIGN("glBindFragDataLocationEXT", bindFragDataLocation);
-        ASSIGN("glBindFragDataLocationIndexedEXT", bindFragDataLocationIndexed);
-        ASSIGN("glGetFragDataIndexEXT", getFragDataIndex);
-        ASSIGN("glGetProgramResourceLocationIndexEXT", getProgramResourceLocationIndex);
-    }
-
-    if (extensions.count("GL_EXT_buffer_storage") != 0)
-    {
-        ASSIGN("glBufferStorageEXT", bufferStorage);
-    }
-
-    if (extensions.count("GL_EXT_clear_texture") != 0)
-    {
-        ASSIGN("glClearTexImageEXT", clearTexImage);
-        ASSIGN("glClearTexSubImageEXT", clearTexSubImage);
-    }
-
-    if (extensions.count("GL_EXT_clip_control") != 0)
-    {
-        ASSIGN("glClipControlEXT", clipControl);
-    }
-
-    if (extensions.count("GL_EXT_copy_image") != 0)
-    {
-        ASSIGN("glCopyImageSubDataEXT", copyImageSubData);
-    }
-
-    if (extensions.count("GL_EXT_discard_framebuffer") != 0)
-    {
-        ASSIGN("glDiscardFramebufferEXT", discardFramebufferEXT);
-    }
-
-    if (extensions.count("GL_EXT_disjoint_timer_query") != 0)
-    {
-        ASSIGN("glBeginQueryEXT", beginQuery);
-        ASSIGN("glDeleteQueriesEXT", deleteQueries);
-        ASSIGN("glEndQueryEXT", endQuery);
-        ASSIGN("glGenQueriesEXT", genQueries);
-        ASSIGN("glGetInteger64vEXT", getInteger64v);
-        ASSIGN("glGetQueryObjecti64vEXT", getQueryObjecti64v);
-        ASSIGN("glGetQueryObjectivEXT", getQueryObjectiv);
-        ASSIGN("glGetQueryObjectui64vEXT", getQueryObjectui64v);
-        ASSIGN("glGetQueryObjectuivEXT", getQueryObjectuiv);
-        ASSIGN("glGetQueryivEXT", getQueryiv);
-        ASSIGN("glIsQueryEXT", isQuery);
-        ASSIGN("glQueryCounterEXT", queryCounter);
-    }
-
-    if (extensions.count("GL_EXT_draw_buffers") != 0)
-    {
-        ASSIGN("glDrawBuffersEXT", drawBuffers);
-    }
-
-    if (extensions.count("GL_EXT_draw_buffers_indexed") != 0)
-    {
-        ASSIGN("glBlendEquationSeparateiEXT", blendEquationSeparatei);
-        ASSIGN("glBlendEquationiEXT", blendEquationi);
-        ASSIGN("glBlendFuncSeparateiEXT", blendFuncSeparatei);
-        ASSIGN("glBlendFunciEXT", blendFunci);
-        ASSIGN("glColorMaskiEXT", colorMaski);
-        ASSIGN("glDisableiEXT", disablei);
-        ASSIGN("glEnableiEXT", enablei);
-        ASSIGN("glIsEnablediEXT", isEnabledi);
-    }
-
-    if (extensions.count("GL_EXT_draw_elements_base_vertex") != 0)
-    {
-        ASSIGN("glDrawElementsBaseVertexEXT", drawElementsBaseVertex);
-        ASSIGN("glDrawElementsInstancedBaseVertexEXT", drawElementsInstancedBaseVertex);
-        ASSIGN("glDrawRangeElementsBaseVertexEXT", drawRangeElementsBaseVertex);
-        ASSIGN("glMultiDrawElementsBaseVertexEXT", multiDrawElementsBaseVertex);
-    }
-
-    if (extensions.count("GL_EXT_draw_transform_feedback") != 0)
-    {
-        ASSIGN("glDrawTransformFeedbackEXT", drawTransformFeedback);
-        ASSIGN("glDrawTransformFeedbackInstancedEXT", drawTransformFeedbackInstanced);
-    }
-
-    if (extensions.count("GL_EXT_geometry_shader") != 0)
-    {
-        ASSIGN("glFramebufferTextureEXT", framebufferTexture);
-    }
-
-    if (extensions.count("GL_EXT_instanced_arrays") != 0)
-    {
-        ASSIGN("glVertexAttribDivisorEXT", vertexAttribDivisor);
-    }
-
-    if (extensions.count("GL_EXT_map_buffer_range") != 0)
-    {
-        ASSIGN("glFlushMappedBufferRangeEXT", flushMappedBufferRange);
-        ASSIGN("glMapBufferRangeEXT", mapBufferRange);
-    }
-
-    if (extensions.count("GL_EXT_multi_draw_indirect") != 0)
-    {
-        ASSIGN("glMultiDrawArraysIndirectEXT", multiDrawArraysIndirect);
-        ASSIGN("glMultiDrawElementsIndirectEXT", multiDrawElementsIndirect);
-    }
-
-    if (extensions.count("GL_EXT_multisampled_render_to_texture") != 0)
-    {
-        ASSIGN("glRenderbufferStorageMultisampleEXT", renderbufferStorageMultisample);
-    }
-
-    if (extensions.count("GL_EXT_multiview_draw_buffers") != 0)
-    {
-        ASSIGN("glGetIntegeri_vEXT", getIntegeri_v);
-    }
-
-    if (extensions.count("GL_EXT_occlusion_query_boolean") != 0)
-    {
-        ASSIGN("glBeginQueryEXT", beginQuery);
-        ASSIGN("glDeleteQueriesEXT", deleteQueries);
-        ASSIGN("glEndQueryEXT", endQuery);
-        ASSIGN("glGenQueriesEXT", genQueries);
-        ASSIGN("glGetQueryObjectuivEXT", getQueryObjectuiv);
-        ASSIGN("glGetQueryivEXT", getQueryiv);
-        ASSIGN("glIsQueryEXT", isQuery);
-    }
-
-    if (extensions.count("GL_EXT_primitive_bounding_box") != 0)
-    {
-        ASSIGN("glPrimitiveBoundingBoxEXT", primitiveBoundingBox);
-    }
-
-    if (extensions.count("GL_EXT_robustness") != 0)
-    {
-        ASSIGN("glGetGraphicsResetStatusEXT", getGraphicsResetStatus);
-        ASSIGN("glGetnUniformfvEXT", getnUniformfv);
-        ASSIGN("glGetnUniformivEXT", getnUniformiv);
-        ASSIGN("glReadnPixelsEXT", readnPixels);
-    }
-
-    if (extensions.count("GL_EXT_tessellation_shader") != 0)
-    {
-        ASSIGN("glPatchParameteriEXT", patchParameteri);
-    }
-
-    if (extensions.count("GL_EXT_texture_border_clamp") != 0)
-    {
-        ASSIGN("glGetSamplerParameterIivEXT", getSamplerParameterIiv);
-        ASSIGN("glGetSamplerParameterIuivEXT", getSamplerParameterIuiv);
-        ASSIGN("glGetTexParameterIivEXT", getTexParameterIiv);
-        ASSIGN("glGetTexParameterIuivEXT", getTexParameterIuiv);
-        ASSIGN("glSamplerParameterIivEXT", samplerParameterIiv);
-        ASSIGN("glSamplerParameterIuivEXT", samplerParameterIuiv);
-        ASSIGN("glTexParameterIivEXT", texParameterIiv);
-        ASSIGN("glTexParameterIuivEXT", texParameterIuiv);
-    }
-
-    if (extensions.count("GL_EXT_texture_buffer") != 0)
-    {
-        ASSIGN("glTexBufferEXT", texBuffer);
-        ASSIGN("glTexBufferEXT", texBufferEXT);
-        ASSIGN("glTexBufferRangeEXT", texBufferRange);
-        ASSIGN("glTexBufferRangeEXT", texBufferRangeEXT);
-    }
-
-    if (extensions.count("GL_EXT_texture_storage") != 0)
-    {
-        ASSIGN("glTexStorage1DEXT", texStorage1D);
-        ASSIGN("glTexStorage2DEXT", texStorage2D);
-        ASSIGN("glTexStorage3DEXT", texStorage3D);
-        ASSIGN("glTextureStorage1DEXT", textureStorage1D);
-        ASSIGN("glTextureStorage2DEXT", textureStorage2D);
-        ASSIGN("glTextureStorage3DEXT", textureStorage3D);
-    }
-
-    if (extensions.count("GL_EXT_texture_view") != 0)
-    {
-        ASSIGN("glTextureViewEXT", textureView);
-    }
-
-    if (extensions.count("GL_KHR_debug") != 0)
-    {
-        ASSIGN("glDebugMessageCallbackKHR", debugMessageCallback);
-        ASSIGN("glDebugMessageControlKHR", debugMessageControl);
-        ASSIGN("glDebugMessageInsertKHR", debugMessageInsert);
-        ASSIGN("glGetDebugMessageLogKHR", getDebugMessageLog);
-        ASSIGN("glGetObjectLabelKHR", getObjectLabel);
-        ASSIGN("glGetObjectPtrLabelKHR", getObjectPtrLabel);
-        ASSIGN("glGetPointervKHR", getPointerv);
-        ASSIGN("glObjectLabelKHR", objectLabel);
-        ASSIGN("glObjectPtrLabelKHR", objectPtrLabel);
-        ASSIGN("glPopDebugGroupKHR", popDebugGroup);
-        ASSIGN("glPushDebugGroupKHR", pushDebugGroup);
-    }
-
-    if (extensions.count("GL_KHR_robustness") != 0)
-    {
-        ASSIGN("glGetGraphicsResetStatusKHR", getGraphicsResetStatus);
-        ASSIGN("glGetnUniformfvKHR", getnUniformfv);
-        ASSIGN("glGetnUniformivKHR", getnUniformiv);
-        ASSIGN("glGetnUniformuivKHR", getnUniformuiv);
-        ASSIGN("glReadnPixelsKHR", readnPixels);
-    }
-
-    if (extensions.count("GL_NV_framebuffer_blit") != 0)
-    {
-        ASSIGN("glBlitFramebufferNV", blitFramebufferNV);
-    }
-
-    if (extensions.count("GL_OES_EGL_image") != 0)
-    {
-        ASSIGN("glEGLImageTargetRenderbufferStorageOES", eGLImageTargetRenderbufferStorageOES);
-        ASSIGN("glEGLImageTargetTexture2DOES", eGLImageTargetTexture2DOES);
-    }
-
-    if (extensions.count("GL_OES_copy_image") != 0)
-    {
-        ASSIGN("glCopyImageSubDataOES", copyImageSubData);
-    }
-
-    if (extensions.count("GL_OES_draw_buffers_indexed") != 0)
-    {
-        ASSIGN("glBlendEquationSeparateiOES", blendEquationSeparatei);
-        ASSIGN("glBlendEquationiOES", blendEquationi);
-        ASSIGN("glBlendFuncSeparateiOES", blendFuncSeparatei);
-        ASSIGN("glBlendFunciOES", blendFunci);
-        ASSIGN("glColorMaskiOES", colorMaski);
-        ASSIGN("glDisableiOES", disablei);
-        ASSIGN("glEnableiOES", enablei);
-        ASSIGN("glIsEnablediOES", isEnabledi);
-    }
-
-    if (extensions.count("GL_OES_draw_elements_base_vertex") != 0)
-    {
-        ASSIGN("glDrawElementsBaseVertexOES", drawElementsBaseVertex);
-        ASSIGN("glDrawElementsInstancedBaseVertexOES", drawElementsInstancedBaseVertex);
-        ASSIGN("glDrawRangeElementsBaseVertexOES", drawRangeElementsBaseVertex);
-        ASSIGN("glMultiDrawElementsBaseVertexEXT", multiDrawElementsBaseVertex);
-    }
-
-    if (extensions.count("GL_OES_geometry_shader") != 0)
-    {
-        ASSIGN("glFramebufferTextureOES", framebufferTexture);
-    }
-
-    if (extensions.count("GL_OES_get_program_binary") != 0)
-    {
-        ASSIGN("glGetProgramBinaryOES", getProgramBinary);
-        ASSIGN("glProgramBinaryOES", programBinary);
-    }
-
-    if (extensions.count("GL_OES_mapbuffer") != 0)
-    {
-        ASSIGN("glGetBufferPointervOES", getBufferPointerv);
-        ASSIGN("glMapBufferOES", mapBuffer);
-        ASSIGN("glUnmapBufferOES", unmapBuffer);
-    }
-
-    if (extensions.count("GL_OES_primitive_bounding_box") != 0)
-    {
-        ASSIGN("glPrimitiveBoundingBoxOES", primitiveBoundingBox);
-    }
-
-    if (extensions.count("GL_OES_sample_shading") != 0)
-    {
-        ASSIGN("glMinSampleShadingOES", minSampleShading);
-    }
-
-    if (extensions.count("GL_OES_tessellation_shader") != 0)
-    {
-        ASSIGN("glPatchParameteriOES", patchParameteri);
-    }
-
-    if (extensions.count("GL_OES_texture_3D") != 0)
-    {
-        ASSIGN("glCompressedTexImage3DOES", compressedTexImage3D);
-        ASSIGN("glCompressedTexSubImage3DOES", compressedTexSubImage3D);
-        ASSIGN("glCopyTexSubImage3DOES", copyTexSubImage3D);
-        ASSIGN("glFramebufferTexture3DOES", framebufferTexture3D);
-        ASSIGN("glTexImage3DOES", texImage3D);
-        ASSIGN("glTexSubImage3DOES", texSubImage3D);
-    }
-
-    if (extensions.count("GL_OES_texture_border_clamp") != 0)
-    {
-        ASSIGN("glGetSamplerParameterIivOES", getSamplerParameterIiv);
-        ASSIGN("glGetSamplerParameterIuivOES", getSamplerParameterIuiv);
-        ASSIGN("glGetTexParameterIivOES", getTexParameterIiv);
-        ASSIGN("glGetTexParameterIuivOES", getTexParameterIuiv);
-        ASSIGN("glSamplerParameterIivOES", samplerParameterIiv);
-        ASSIGN("glSamplerParameterIuivOES", samplerParameterIuiv);
-        ASSIGN("glTexParameterIivOES", texParameterIiv);
-        ASSIGN("glTexParameterIuivOES", texParameterIuiv);
-    }
-
-    if (extensions.count("GL_OES_texture_buffer") != 0)
-    {
-        ASSIGN("glTexBufferOES", texBuffer);
-        ASSIGN("glTexBufferOES", texBufferOES);
-        ASSIGN("glTexBufferRangeOES", texBufferRange);
-        ASSIGN("glTexBufferRangeOES", texBufferRangeOES);
-    }
-
-    if (extensions.count("GL_OES_texture_storage_multisample_2d_array") != 0)
-    {
-        ASSIGN("glTexStorage3DMultisampleOES", texStorage3DMultisample);
-    }
-
-    if (extensions.count("GL_OES_texture_view") != 0)
-    {
-        ASSIGN("glTextureViewOES", textureView);
-    }
-
-    if (extensions.count("GL_OES_vertex_array_object") != 0)
-    {
-        ASSIGN("glBindVertexArrayOES", bindVertexArray);
-        ASSIGN("glDeleteVertexArraysOES", deleteVertexArrays);
-        ASSIGN("glGenVertexArraysOES", genVertexArrays);
-        ASSIGN("glIsVertexArrayOES", isVertexArray);
-    }
-
-    if (extensions.count("GL_OES_viewport_array") != 0)
-    {
-        ASSIGN("glDisableiOES", disablei);
-        ASSIGN("glEnableiOES", enablei);
-        ASSIGN("glGetFloati_vOES", getFloati_v);
-        ASSIGN("glIsEnablediOES", isEnabledi);
-        ASSIGN("glScissorArrayvOES", scissorArrayv);
-        ASSIGN("glScissorIndexedOES", scissorIndexed);
-        ASSIGN("glScissorIndexedvOES", scissorIndexedv);
-        ASSIGN("glViewportArrayvOES", viewportArrayv);
-        ASSIGN("glViewportIndexedfOES", viewportIndexedf);
-        ASSIGN("glViewportIndexedfvOES", viewportIndexedfv);
-    }
 }
 
 void DispatchTableGL::initProcsSharedExtensions(const std::set<std::string> &extensions)
@@ -2810,732 +2811,6 @@ void DispatchTableGL::initProcsDesktopGLNULL(const gl::Version &version,
                                              const std::set<std::string> &extensions)
 {
 #    if defined(ANGLE_ENABLE_OPENGL_DESKTOP)
-    if (version >= gl::Version(1, 0))
-    {
-        blendFunc              = &glBlendFuncNULL;
-        clear                  = &glClearNULL;
-        clearColor             = &glClearColorNULL;
-        clearDepth             = &glClearDepthNULL;
-        clearStencil           = &glClearStencilNULL;
-        colorMask              = &glColorMaskNULL;
-        cullFace               = &glCullFaceNULL;
-        depthFunc              = &glDepthFuncNULL;
-        depthMask              = &glDepthMaskNULL;
-        depthRange             = &glDepthRangeNULL;
-        disable                = &glDisableNULL;
-        drawBuffer             = &glDrawBufferNULL;
-        enable                 = &glEnableNULL;
-        finish                 = &glFinishNULL;
-        flush                  = &glFlushNULL;
-        frontFace              = &glFrontFaceNULL;
-        getBooleanv            = &glGetBooleanvNULL;
-        getDoublev             = &glGetDoublevNULL;
-        getError               = &glGetErrorNULL;
-        getFloatv              = &glGetFloatvNULL;
-        getIntegerv            = &glGetIntegervNULL;
-        getString              = &glGetStringNULL;
-        getTexImage            = &glGetTexImageNULL;
-        getTexLevelParameterfv = &glGetTexLevelParameterfvNULL;
-        getTexLevelParameteriv = &glGetTexLevelParameterivNULL;
-        getTexParameterfv      = &glGetTexParameterfvNULL;
-        getTexParameteriv      = &glGetTexParameterivNULL;
-        hint                   = &glHintNULL;
-        isEnabled              = &glIsEnabledNULL;
-        lineWidth              = &glLineWidthNULL;
-        logicOp                = &glLogicOpNULL;
-        pixelStoref            = &glPixelStorefNULL;
-        pixelStorei            = &glPixelStoreiNULL;
-        pointSize              = &glPointSizeNULL;
-        polygonMode            = &glPolygonModeNULL;
-        readBuffer             = &glReadBufferNULL;
-        readPixels             = &glReadPixelsNULL;
-        scissor                = &glScissorNULL;
-        stencilFunc            = &glStencilFuncNULL;
-        stencilMask            = &glStencilMaskNULL;
-        stencilOp              = &glStencilOpNULL;
-        texImage1D             = &glTexImage1DNULL;
-        texImage2D             = &glTexImage2DNULL;
-        texParameterf          = &glTexParameterfNULL;
-        texParameterfv         = &glTexParameterfvNULL;
-        texParameteri          = &glTexParameteriNULL;
-        texParameteriv         = &glTexParameterivNULL;
-        viewport               = &glViewportNULL;
-    }
-
-    if (version >= gl::Version(1, 1))
-    {
-        bindTexture       = &glBindTextureNULL;
-        copyTexImage1D    = &glCopyTexImage1DNULL;
-        copyTexImage2D    = &glCopyTexImage2DNULL;
-        copyTexSubImage1D = &glCopyTexSubImage1DNULL;
-        copyTexSubImage2D = &glCopyTexSubImage2DNULL;
-        deleteTextures    = &glDeleteTexturesNULL;
-        drawArrays        = &glDrawArraysNULL;
-        drawElements      = &glDrawElementsNULL;
-        genTextures       = &glGenTexturesNULL;
-        isTexture         = &glIsTextureNULL;
-        polygonOffset     = &glPolygonOffsetNULL;
-        texSubImage1D     = &glTexSubImage1DNULL;
-        texSubImage2D     = &glTexSubImage2DNULL;
-    }
-
-    if (version >= gl::Version(1, 2))
-    {
-        copyTexSubImage3D = &glCopyTexSubImage3DNULL;
-        drawRangeElements = &glDrawRangeElementsNULL;
-        texImage3D        = &glTexImage3DNULL;
-        texSubImage3D     = &glTexSubImage3DNULL;
-    }
-
-    if (version >= gl::Version(1, 3))
-    {
-        activeTexture           = &glActiveTextureNULL;
-        compressedTexImage1D    = &glCompressedTexImage1DNULL;
-        compressedTexImage2D    = &glCompressedTexImage2DNULL;
-        compressedTexImage3D    = &glCompressedTexImage3DNULL;
-        compressedTexSubImage1D = &glCompressedTexSubImage1DNULL;
-        compressedTexSubImage2D = &glCompressedTexSubImage2DNULL;
-        compressedTexSubImage3D = &glCompressedTexSubImage3DNULL;
-        getCompressedTexImage   = &glGetCompressedTexImageNULL;
-        sampleCoverage          = &glSampleCoverageNULL;
-    }
-
-    if (version >= gl::Version(1, 4))
-    {
-        blendColor        = &glBlendColorNULL;
-        blendEquation     = &glBlendEquationNULL;
-        blendFuncSeparate = &glBlendFuncSeparateNULL;
-        multiDrawArrays   = &glMultiDrawArraysNULL;
-        multiDrawElements = &glMultiDrawElementsNULL;
-        pointParameterf   = &glPointParameterfNULL;
-        pointParameterfv  = &glPointParameterfvNULL;
-        pointParameteri   = &glPointParameteriNULL;
-        pointParameteriv  = &glPointParameterivNULL;
-    }
-
-    if (version >= gl::Version(1, 5))
-    {
-        beginQuery           = &glBeginQueryNULL;
-        bindBuffer           = &glBindBufferNULL;
-        bufferData           = &glBufferDataNULL;
-        bufferSubData        = &glBufferSubDataNULL;
-        deleteBuffers        = &glDeleteBuffersNULL;
-        deleteQueries        = &glDeleteQueriesNULL;
-        endQuery             = &glEndQueryNULL;
-        genBuffers           = &glGenBuffersNULL;
-        genQueries           = &glGenQueriesNULL;
-        getBufferParameteriv = &glGetBufferParameterivNULL;
-        getBufferPointerv    = &glGetBufferPointervNULL;
-        getBufferSubData     = &glGetBufferSubDataNULL;
-        getQueryObjectiv     = &glGetQueryObjectivNULL;
-        getQueryObjectuiv    = &glGetQueryObjectuivNULL;
-        getQueryiv           = &glGetQueryivNULL;
-        isBuffer             = &glIsBufferNULL;
-        isQuery              = &glIsQueryNULL;
-        mapBuffer            = &glMapBufferNULL;
-        unmapBuffer          = &glUnmapBufferNULL;
-    }
-
-    if (version >= gl::Version(2, 0))
-    {
-        attachShader             = &glAttachShaderNULL;
-        bindAttribLocation       = &glBindAttribLocationNULL;
-        blendEquationSeparate    = &glBlendEquationSeparateNULL;
-        compileShader            = &glCompileShaderNULL;
-        createProgram            = &glCreateProgramNULL;
-        createShader             = &glCreateShaderNULL;
-        deleteProgram            = &glDeleteProgramNULL;
-        deleteShader             = &glDeleteShaderNULL;
-        detachShader             = &glDetachShaderNULL;
-        disableVertexAttribArray = &glDisableVertexAttribArrayNULL;
-        drawBuffers              = &glDrawBuffersNULL;
-        enableVertexAttribArray  = &glEnableVertexAttribArrayNULL;
-        getActiveAttrib          = &glGetActiveAttribNULL;
-        getActiveUniform         = &glGetActiveUniformNULL;
-        getAttachedShaders       = &glGetAttachedShadersNULL;
-        getAttribLocation        = &glGetAttribLocationNULL;
-        getProgramInfoLog        = &glGetProgramInfoLogNULL;
-        getProgramiv             = &glGetProgramivNULL;
-        getShaderInfoLog         = &glGetShaderInfoLogNULL;
-        getShaderSource          = &glGetShaderSourceNULL;
-        getShaderiv              = &glGetShaderivNULL;
-        getUniformLocation       = &glGetUniformLocationNULL;
-        getUniformfv             = &glGetUniformfvNULL;
-        getUniformiv             = &glGetUniformivNULL;
-        getVertexAttribPointerv  = &glGetVertexAttribPointervNULL;
-        getVertexAttribdv        = &glGetVertexAttribdvNULL;
-        getVertexAttribfv        = &glGetVertexAttribfvNULL;
-        getVertexAttribiv        = &glGetVertexAttribivNULL;
-        isProgram                = &glIsProgramNULL;
-        isShader                 = &glIsShaderNULL;
-        linkProgram              = &glLinkProgramNULL;
-        shaderSource             = &glShaderSourceNULL;
-        stencilFuncSeparate      = &glStencilFuncSeparateNULL;
-        stencilMaskSeparate      = &glStencilMaskSeparateNULL;
-        stencilOpSeparate        = &glStencilOpSeparateNULL;
-        uniform1f                = &glUniform1fNULL;
-        uniform1fv               = &glUniform1fvNULL;
-        uniform1i                = &glUniform1iNULL;
-        uniform1iv               = &glUniform1ivNULL;
-        uniform2f                = &glUniform2fNULL;
-        uniform2fv               = &glUniform2fvNULL;
-        uniform2i                = &glUniform2iNULL;
-        uniform2iv               = &glUniform2ivNULL;
-        uniform3f                = &glUniform3fNULL;
-        uniform3fv               = &glUniform3fvNULL;
-        uniform3i                = &glUniform3iNULL;
-        uniform3iv               = &glUniform3ivNULL;
-        uniform4f                = &glUniform4fNULL;
-        uniform4fv               = &glUniform4fvNULL;
-        uniform4i                = &glUniform4iNULL;
-        uniform4iv               = &glUniform4ivNULL;
-        uniformMatrix2fv         = &glUniformMatrix2fvNULL;
-        uniformMatrix3fv         = &glUniformMatrix3fvNULL;
-        uniformMatrix4fv         = &glUniformMatrix4fvNULL;
-        useProgram               = &glUseProgramNULL;
-        validateProgram          = &glValidateProgramNULL;
-        vertexAttrib1d           = &glVertexAttrib1dNULL;
-        vertexAttrib1dv          = &glVertexAttrib1dvNULL;
-        vertexAttrib1f           = &glVertexAttrib1fNULL;
-        vertexAttrib1fv          = &glVertexAttrib1fvNULL;
-        vertexAttrib1s           = &glVertexAttrib1sNULL;
-        vertexAttrib1sv          = &glVertexAttrib1svNULL;
-        vertexAttrib2d           = &glVertexAttrib2dNULL;
-        vertexAttrib2dv          = &glVertexAttrib2dvNULL;
-        vertexAttrib2f           = &glVertexAttrib2fNULL;
-        vertexAttrib2fv          = &glVertexAttrib2fvNULL;
-        vertexAttrib2s           = &glVertexAttrib2sNULL;
-        vertexAttrib2sv          = &glVertexAttrib2svNULL;
-        vertexAttrib3d           = &glVertexAttrib3dNULL;
-        vertexAttrib3dv          = &glVertexAttrib3dvNULL;
-        vertexAttrib3f           = &glVertexAttrib3fNULL;
-        vertexAttrib3fv          = &glVertexAttrib3fvNULL;
-        vertexAttrib3s           = &glVertexAttrib3sNULL;
-        vertexAttrib3sv          = &glVertexAttrib3svNULL;
-        vertexAttrib4Nbv         = &glVertexAttrib4NbvNULL;
-        vertexAttrib4Niv         = &glVertexAttrib4NivNULL;
-        vertexAttrib4Nsv         = &glVertexAttrib4NsvNULL;
-        vertexAttrib4Nub         = &glVertexAttrib4NubNULL;
-        vertexAttrib4Nubv        = &glVertexAttrib4NubvNULL;
-        vertexAttrib4Nuiv        = &glVertexAttrib4NuivNULL;
-        vertexAttrib4Nusv        = &glVertexAttrib4NusvNULL;
-        vertexAttrib4bv          = &glVertexAttrib4bvNULL;
-        vertexAttrib4d           = &glVertexAttrib4dNULL;
-        vertexAttrib4dv          = &glVertexAttrib4dvNULL;
-        vertexAttrib4f           = &glVertexAttrib4fNULL;
-        vertexAttrib4fv          = &glVertexAttrib4fvNULL;
-        vertexAttrib4iv          = &glVertexAttrib4ivNULL;
-        vertexAttrib4s           = &glVertexAttrib4sNULL;
-        vertexAttrib4sv          = &glVertexAttrib4svNULL;
-        vertexAttrib4ubv         = &glVertexAttrib4ubvNULL;
-        vertexAttrib4uiv         = &glVertexAttrib4uivNULL;
-        vertexAttrib4usv         = &glVertexAttrib4usvNULL;
-        vertexAttribPointer      = &glVertexAttribPointerNULL;
-    }
-
-    if (version >= gl::Version(2, 1))
-    {
-        uniformMatrix2x3fv = &glUniformMatrix2x3fvNULL;
-        uniformMatrix2x4fv = &glUniformMatrix2x4fvNULL;
-        uniformMatrix3x2fv = &glUniformMatrix3x2fvNULL;
-        uniformMatrix3x4fv = &glUniformMatrix3x4fvNULL;
-        uniformMatrix4x2fv = &glUniformMatrix4x2fvNULL;
-        uniformMatrix4x3fv = &glUniformMatrix4x3fvNULL;
-    }
-
-    if (version >= gl::Version(3, 0))
-    {
-        beginConditionalRender              = &glBeginConditionalRenderNULL;
-        beginTransformFeedback              = &glBeginTransformFeedbackNULL;
-        bindBufferBase                      = &glBindBufferBaseNULL;
-        bindBufferRange                     = &glBindBufferRangeNULL;
-        bindFragDataLocation                = &glBindFragDataLocationNULL;
-        bindFramebuffer                     = &glBindFramebufferNULL;
-        bindRenderbuffer                    = &glBindRenderbufferNULL;
-        bindVertexArray                     = &glBindVertexArrayNULL;
-        blitFramebuffer                     = &glBlitFramebufferNULL;
-        checkFramebufferStatus              = &glCheckFramebufferStatusNULL;
-        clampColor                          = &glClampColorNULL;
-        clearBufferfi                       = &glClearBufferfiNULL;
-        clearBufferfv                       = &glClearBufferfvNULL;
-        clearBufferiv                       = &glClearBufferivNULL;
-        clearBufferuiv                      = &glClearBufferuivNULL;
-        colorMaski                          = &glColorMaskiNULL;
-        deleteFramebuffers                  = &glDeleteFramebuffersNULL;
-        deleteRenderbuffers                 = &glDeleteRenderbuffersNULL;
-        deleteVertexArrays                  = &glDeleteVertexArraysNULL;
-        disablei                            = &glDisableiNULL;
-        enablei                             = &glEnableiNULL;
-        endConditionalRender                = &glEndConditionalRenderNULL;
-        endTransformFeedback                = &glEndTransformFeedbackNULL;
-        flushMappedBufferRange              = &glFlushMappedBufferRangeNULL;
-        framebufferRenderbuffer             = &glFramebufferRenderbufferNULL;
-        framebufferTexture1D                = &glFramebufferTexture1DNULL;
-        framebufferTexture2D                = &glFramebufferTexture2DNULL;
-        framebufferTexture3D                = &glFramebufferTexture3DNULL;
-        framebufferTextureLayer             = &glFramebufferTextureLayerNULL;
-        genFramebuffers                     = &glGenFramebuffersNULL;
-        genRenderbuffers                    = &glGenRenderbuffersNULL;
-        genVertexArrays                     = &glGenVertexArraysNULL;
-        generateMipmap                      = &glGenerateMipmapNULL;
-        getBooleani_v                       = &glGetBooleani_vNULL;
-        getFragDataLocation                 = &glGetFragDataLocationNULL;
-        getFramebufferAttachmentParameteriv = &glGetFramebufferAttachmentParameterivNULL;
-        getIntegeri_v                       = &glGetIntegeri_vNULL;
-        getRenderbufferParameteriv          = &glGetRenderbufferParameterivNULL;
-        getStringi                          = &glGetStringiNULL;
-        getTexParameterIiv                  = &glGetTexParameterIivNULL;
-        getTexParameterIuiv                 = &glGetTexParameterIuivNULL;
-        getTransformFeedbackVarying         = &glGetTransformFeedbackVaryingNULL;
-        getUniformuiv                       = &glGetUniformuivNULL;
-        getVertexAttribIiv                  = &glGetVertexAttribIivNULL;
-        getVertexAttribIuiv                 = &glGetVertexAttribIuivNULL;
-        isEnabledi                          = &glIsEnablediNULL;
-        isFramebuffer                       = &glIsFramebufferNULL;
-        isRenderbuffer                      = &glIsRenderbufferNULL;
-        isVertexArray                       = &glIsVertexArrayNULL;
-        mapBufferRange                      = &glMapBufferRangeNULL;
-        renderbufferStorage                 = &glRenderbufferStorageNULL;
-        renderbufferStorageMultisample      = &glRenderbufferStorageMultisampleNULL;
-        texParameterIiv                     = &glTexParameterIivNULL;
-        texParameterIuiv                    = &glTexParameterIuivNULL;
-        transformFeedbackVaryings           = &glTransformFeedbackVaryingsNULL;
-        uniform1ui                          = &glUniform1uiNULL;
-        uniform1uiv                         = &glUniform1uivNULL;
-        uniform2ui                          = &glUniform2uiNULL;
-        uniform2uiv                         = &glUniform2uivNULL;
-        uniform3ui                          = &glUniform3uiNULL;
-        uniform3uiv                         = &glUniform3uivNULL;
-        uniform4ui                          = &glUniform4uiNULL;
-        uniform4uiv                         = &glUniform4uivNULL;
-        vertexAttribI1i                     = &glVertexAttribI1iNULL;
-        vertexAttribI1iv                    = &glVertexAttribI1ivNULL;
-        vertexAttribI1ui                    = &glVertexAttribI1uiNULL;
-        vertexAttribI1uiv                   = &glVertexAttribI1uivNULL;
-        vertexAttribI2i                     = &glVertexAttribI2iNULL;
-        vertexAttribI2iv                    = &glVertexAttribI2ivNULL;
-        vertexAttribI2ui                    = &glVertexAttribI2uiNULL;
-        vertexAttribI2uiv                   = &glVertexAttribI2uivNULL;
-        vertexAttribI3i                     = &glVertexAttribI3iNULL;
-        vertexAttribI3iv                    = &glVertexAttribI3ivNULL;
-        vertexAttribI3ui                    = &glVertexAttribI3uiNULL;
-        vertexAttribI3uiv                   = &glVertexAttribI3uivNULL;
-        vertexAttribI4bv                    = &glVertexAttribI4bvNULL;
-        vertexAttribI4i                     = &glVertexAttribI4iNULL;
-        vertexAttribI4iv                    = &glVertexAttribI4ivNULL;
-        vertexAttribI4sv                    = &glVertexAttribI4svNULL;
-        vertexAttribI4ubv                   = &glVertexAttribI4ubvNULL;
-        vertexAttribI4ui                    = &glVertexAttribI4uiNULL;
-        vertexAttribI4uiv                   = &glVertexAttribI4uivNULL;
-        vertexAttribI4usv                   = &glVertexAttribI4usvNULL;
-        vertexAttribIPointer                = &glVertexAttribIPointerNULL;
-    }
-
-    if (version >= gl::Version(3, 1))
-    {
-        copyBufferSubData         = &glCopyBufferSubDataNULL;
-        drawArraysInstanced       = &glDrawArraysInstancedNULL;
-        drawElementsInstanced     = &glDrawElementsInstancedNULL;
-        getActiveUniformBlockName = &glGetActiveUniformBlockNameNULL;
-        getActiveUniformBlockiv   = &glGetActiveUniformBlockivNULL;
-        getActiveUniformName      = &glGetActiveUniformNameNULL;
-        getActiveUniformsiv       = &glGetActiveUniformsivNULL;
-        getUniformBlockIndex      = &glGetUniformBlockIndexNULL;
-        getUniformIndices         = &glGetUniformIndicesNULL;
-        primitiveRestartIndex     = &glPrimitiveRestartIndexNULL;
-        texBuffer                 = &glTexBufferNULL;
-        uniformBlockBinding       = &glUniformBlockBindingNULL;
-    }
-
-    if (version >= gl::Version(3, 2))
-    {
-        clientWaitSync                  = &glClientWaitSyncNULL;
-        deleteSync                      = &glDeleteSyncNULL;
-        drawElementsBaseVertex          = &glDrawElementsBaseVertexNULL;
-        drawElementsInstancedBaseVertex = &glDrawElementsInstancedBaseVertexNULL;
-        drawRangeElementsBaseVertex     = &glDrawRangeElementsBaseVertexNULL;
-        fenceSync                       = &glFenceSyncNULL;
-        framebufferTexture              = &glFramebufferTextureNULL;
-        getBufferParameteri64v          = &glGetBufferParameteri64vNULL;
-        getInteger64i_v                 = &glGetInteger64i_vNULL;
-        getInteger64v                   = &glGetInteger64vNULL;
-        getMultisamplefv                = &glGetMultisamplefvNULL;
-        getSynciv                       = &glGetSyncivNULL;
-        isSync                          = &glIsSyncNULL;
-        multiDrawElementsBaseVertex     = &glMultiDrawElementsBaseVertexNULL;
-        provokingVertex                 = &glProvokingVertexNULL;
-        sampleMaski                     = &glSampleMaskiNULL;
-        texImage2DMultisample           = &glTexImage2DMultisampleNULL;
-        texImage3DMultisample           = &glTexImage3DMultisampleNULL;
-        waitSync                        = &glWaitSyncNULL;
-    }
-
-    if (version >= gl::Version(3, 3))
-    {
-        bindFragDataLocationIndexed = &glBindFragDataLocationIndexedNULL;
-        bindSampler                 = &glBindSamplerNULL;
-        deleteSamplers              = &glDeleteSamplersNULL;
-        genSamplers                 = &glGenSamplersNULL;
-        getFragDataIndex            = &glGetFragDataIndexNULL;
-        getQueryObjecti64v          = &glGetQueryObjecti64vNULL;
-        getQueryObjectui64v         = &glGetQueryObjectui64vNULL;
-        getSamplerParameterIiv      = &glGetSamplerParameterIivNULL;
-        getSamplerParameterIuiv     = &glGetSamplerParameterIuivNULL;
-        getSamplerParameterfv       = &glGetSamplerParameterfvNULL;
-        getSamplerParameteriv       = &glGetSamplerParameterivNULL;
-        isSampler                   = &glIsSamplerNULL;
-        queryCounter                = &glQueryCounterNULL;
-        samplerParameterIiv         = &glSamplerParameterIivNULL;
-        samplerParameterIuiv        = &glSamplerParameterIuivNULL;
-        samplerParameterf           = &glSamplerParameterfNULL;
-        samplerParameterfv          = &glSamplerParameterfvNULL;
-        samplerParameteri           = &glSamplerParameteriNULL;
-        samplerParameteriv          = &glSamplerParameterivNULL;
-        vertexAttribDivisor         = &glVertexAttribDivisorNULL;
-        vertexAttribP1ui            = &glVertexAttribP1uiNULL;
-        vertexAttribP1uiv           = &glVertexAttribP1uivNULL;
-        vertexAttribP2ui            = &glVertexAttribP2uiNULL;
-        vertexAttribP2uiv           = &glVertexAttribP2uivNULL;
-        vertexAttribP3ui            = &glVertexAttribP3uiNULL;
-        vertexAttribP3uiv           = &glVertexAttribP3uivNULL;
-        vertexAttribP4ui            = &glVertexAttribP4uiNULL;
-        vertexAttribP4uiv           = &glVertexAttribP4uivNULL;
-    }
-
-    if (version >= gl::Version(4, 0))
-    {
-        beginQueryIndexed              = &glBeginQueryIndexedNULL;
-        bindTransformFeedback          = &glBindTransformFeedbackNULL;
-        blendEquationSeparatei         = &glBlendEquationSeparateiNULL;
-        blendEquationi                 = &glBlendEquationiNULL;
-        blendFuncSeparatei             = &glBlendFuncSeparateiNULL;
-        blendFunci                     = &glBlendFunciNULL;
-        deleteTransformFeedbacks       = &glDeleteTransformFeedbacksNULL;
-        drawArraysIndirect             = &glDrawArraysIndirectNULL;
-        drawElementsIndirect           = &glDrawElementsIndirectNULL;
-        drawTransformFeedback          = &glDrawTransformFeedbackNULL;
-        drawTransformFeedbackStream    = &glDrawTransformFeedbackStreamNULL;
-        endQueryIndexed                = &glEndQueryIndexedNULL;
-        genTransformFeedbacks          = &glGenTransformFeedbacksNULL;
-        getActiveSubroutineName        = &glGetActiveSubroutineNameNULL;
-        getActiveSubroutineUniformName = &glGetActiveSubroutineUniformNameNULL;
-        getActiveSubroutineUniformiv   = &glGetActiveSubroutineUniformivNULL;
-        getProgramStageiv              = &glGetProgramStageivNULL;
-        getQueryIndexediv              = &glGetQueryIndexedivNULL;
-        getSubroutineIndex             = &glGetSubroutineIndexNULL;
-        getSubroutineUniformLocation   = &glGetSubroutineUniformLocationNULL;
-        getUniformSubroutineuiv        = &glGetUniformSubroutineuivNULL;
-        getUniformdv                   = &glGetUniformdvNULL;
-        isTransformFeedback            = &glIsTransformFeedbackNULL;
-        minSampleShading               = &glMinSampleShadingNULL;
-        patchParameterfv               = &glPatchParameterfvNULL;
-        patchParameteri                = &glPatchParameteriNULL;
-        pauseTransformFeedback         = &glPauseTransformFeedbackNULL;
-        resumeTransformFeedback        = &glResumeTransformFeedbackNULL;
-        uniform1d                      = &glUniform1dNULL;
-        uniform1dv                     = &glUniform1dvNULL;
-        uniform2d                      = &glUniform2dNULL;
-        uniform2dv                     = &glUniform2dvNULL;
-        uniform3d                      = &glUniform3dNULL;
-        uniform3dv                     = &glUniform3dvNULL;
-        uniform4d                      = &glUniform4dNULL;
-        uniform4dv                     = &glUniform4dvNULL;
-        uniformMatrix2dv               = &glUniformMatrix2dvNULL;
-        uniformMatrix2x3dv             = &glUniformMatrix2x3dvNULL;
-        uniformMatrix2x4dv             = &glUniformMatrix2x4dvNULL;
-        uniformMatrix3dv               = &glUniformMatrix3dvNULL;
-        uniformMatrix3x2dv             = &glUniformMatrix3x2dvNULL;
-        uniformMatrix3x4dv             = &glUniformMatrix3x4dvNULL;
-        uniformMatrix4dv               = &glUniformMatrix4dvNULL;
-        uniformMatrix4x2dv             = &glUniformMatrix4x2dvNULL;
-        uniformMatrix4x3dv             = &glUniformMatrix4x3dvNULL;
-        uniformSubroutinesuiv          = &glUniformSubroutinesuivNULL;
-    }
-
-    if (version >= gl::Version(4, 1))
-    {
-        activeShaderProgram       = &glActiveShaderProgramNULL;
-        bindProgramPipeline       = &glBindProgramPipelineNULL;
-        clearDepthf               = &glClearDepthfNULL;
-        createShaderProgramv      = &glCreateShaderProgramvNULL;
-        deleteProgramPipelines    = &glDeleteProgramPipelinesNULL;
-        depthRangeArrayv          = &glDepthRangeArrayvNULL;
-        depthRangeIndexed         = &glDepthRangeIndexedNULL;
-        depthRangef               = &glDepthRangefNULL;
-        genProgramPipelines       = &glGenProgramPipelinesNULL;
-        getDoublei_v              = &glGetDoublei_vNULL;
-        getFloati_v               = &glGetFloati_vNULL;
-        getProgramBinary          = &glGetProgramBinaryNULL;
-        getProgramPipelineInfoLog = &glGetProgramPipelineInfoLogNULL;
-        getProgramPipelineiv      = &glGetProgramPipelineivNULL;
-        getShaderPrecisionFormat  = &glGetShaderPrecisionFormatNULL;
-        getVertexAttribLdv        = &glGetVertexAttribLdvNULL;
-        isProgramPipeline         = &glIsProgramPipelineNULL;
-        programBinary             = &glProgramBinaryNULL;
-        programParameteri         = &glProgramParameteriNULL;
-        programUniform1d          = &glProgramUniform1dNULL;
-        programUniform1dv         = &glProgramUniform1dvNULL;
-        programUniform1f          = &glProgramUniform1fNULL;
-        programUniform1fv         = &glProgramUniform1fvNULL;
-        programUniform1i          = &glProgramUniform1iNULL;
-        programUniform1iv         = &glProgramUniform1ivNULL;
-        programUniform1ui         = &glProgramUniform1uiNULL;
-        programUniform1uiv        = &glProgramUniform1uivNULL;
-        programUniform2d          = &glProgramUniform2dNULL;
-        programUniform2dv         = &glProgramUniform2dvNULL;
-        programUniform2f          = &glProgramUniform2fNULL;
-        programUniform2fv         = &glProgramUniform2fvNULL;
-        programUniform2i          = &glProgramUniform2iNULL;
-        programUniform2iv         = &glProgramUniform2ivNULL;
-        programUniform2ui         = &glProgramUniform2uiNULL;
-        programUniform2uiv        = &glProgramUniform2uivNULL;
-        programUniform3d          = &glProgramUniform3dNULL;
-        programUniform3dv         = &glProgramUniform3dvNULL;
-        programUniform3f          = &glProgramUniform3fNULL;
-        programUniform3fv         = &glProgramUniform3fvNULL;
-        programUniform3i          = &glProgramUniform3iNULL;
-        programUniform3iv         = &glProgramUniform3ivNULL;
-        programUniform3ui         = &glProgramUniform3uiNULL;
-        programUniform3uiv        = &glProgramUniform3uivNULL;
-        programUniform4d          = &glProgramUniform4dNULL;
-        programUniform4dv         = &glProgramUniform4dvNULL;
-        programUniform4f          = &glProgramUniform4fNULL;
-        programUniform4fv         = &glProgramUniform4fvNULL;
-        programUniform4i          = &glProgramUniform4iNULL;
-        programUniform4iv         = &glProgramUniform4ivNULL;
-        programUniform4ui         = &glProgramUniform4uiNULL;
-        programUniform4uiv        = &glProgramUniform4uivNULL;
-        programUniformMatrix2dv   = &glProgramUniformMatrix2dvNULL;
-        programUniformMatrix2fv   = &glProgramUniformMatrix2fvNULL;
-        programUniformMatrix2x3dv = &glProgramUniformMatrix2x3dvNULL;
-        programUniformMatrix2x3fv = &glProgramUniformMatrix2x3fvNULL;
-        programUniformMatrix2x4dv = &glProgramUniformMatrix2x4dvNULL;
-        programUniformMatrix2x4fv = &glProgramUniformMatrix2x4fvNULL;
-        programUniformMatrix3dv   = &glProgramUniformMatrix3dvNULL;
-        programUniformMatrix3fv   = &glProgramUniformMatrix3fvNULL;
-        programUniformMatrix3x2dv = &glProgramUniformMatrix3x2dvNULL;
-        programUniformMatrix3x2fv = &glProgramUniformMatrix3x2fvNULL;
-        programUniformMatrix3x4dv = &glProgramUniformMatrix3x4dvNULL;
-        programUniformMatrix3x4fv = &glProgramUniformMatrix3x4fvNULL;
-        programUniformMatrix4dv   = &glProgramUniformMatrix4dvNULL;
-        programUniformMatrix4fv   = &glProgramUniformMatrix4fvNULL;
-        programUniformMatrix4x2dv = &glProgramUniformMatrix4x2dvNULL;
-        programUniformMatrix4x2fv = &glProgramUniformMatrix4x2fvNULL;
-        programUniformMatrix4x3dv = &glProgramUniformMatrix4x3dvNULL;
-        programUniformMatrix4x3fv = &glProgramUniformMatrix4x3fvNULL;
-        releaseShaderCompiler     = &glReleaseShaderCompilerNULL;
-        scissorArrayv             = &glScissorArrayvNULL;
-        scissorIndexed            = &glScissorIndexedNULL;
-        scissorIndexedv           = &glScissorIndexedvNULL;
-        shaderBinary              = &glShaderBinaryNULL;
-        useProgramStages          = &glUseProgramStagesNULL;
-        validateProgramPipeline   = &glValidateProgramPipelineNULL;
-        vertexAttribL1d           = &glVertexAttribL1dNULL;
-        vertexAttribL1dv          = &glVertexAttribL1dvNULL;
-        vertexAttribL2d           = &glVertexAttribL2dNULL;
-        vertexAttribL2dv          = &glVertexAttribL2dvNULL;
-        vertexAttribL3d           = &glVertexAttribL3dNULL;
-        vertexAttribL3dv          = &glVertexAttribL3dvNULL;
-        vertexAttribL4d           = &glVertexAttribL4dNULL;
-        vertexAttribL4dv          = &glVertexAttribL4dvNULL;
-        vertexAttribLPointer      = &glVertexAttribLPointerNULL;
-        viewportArrayv            = &glViewportArrayvNULL;
-        viewportIndexedf          = &glViewportIndexedfNULL;
-        viewportIndexedfv         = &glViewportIndexedfvNULL;
-    }
-
-    if (version >= gl::Version(4, 2))
-    {
-        bindImageTexture                  = &glBindImageTextureNULL;
-        drawArraysInstancedBaseInstance   = &glDrawArraysInstancedBaseInstanceNULL;
-        drawElementsInstancedBaseInstance = &glDrawElementsInstancedBaseInstanceNULL;
-        drawElementsInstancedBaseVertexBaseInstance =
-            &glDrawElementsInstancedBaseVertexBaseInstanceNULL;
-        drawTransformFeedbackInstanced       = &glDrawTransformFeedbackInstancedNULL;
-        drawTransformFeedbackStreamInstanced = &glDrawTransformFeedbackStreamInstancedNULL;
-        getActiveAtomicCounterBufferiv       = &glGetActiveAtomicCounterBufferivNULL;
-        getInternalformativ                  = &glGetInternalformativNULL;
-        memoryBarrier                        = &glMemoryBarrierNULL;
-        texStorage1D                         = &glTexStorage1DNULL;
-        texStorage2D                         = &glTexStorage2DNULL;
-        texStorage3D                         = &glTexStorage3DNULL;
-    }
-
-    if (version >= gl::Version(4, 3))
-    {
-        bindVertexBuffer                = &glBindVertexBufferNULL;
-        clearBufferData                 = &glClearBufferDataNULL;
-        clearBufferSubData              = &glClearBufferSubDataNULL;
-        copyImageSubData                = &glCopyImageSubDataNULL;
-        debugMessageCallback            = &glDebugMessageCallbackNULL;
-        debugMessageControl             = &glDebugMessageControlNULL;
-        debugMessageInsert              = &glDebugMessageInsertNULL;
-        dispatchCompute                 = &glDispatchComputeNULL;
-        dispatchComputeIndirect         = &glDispatchComputeIndirectNULL;
-        framebufferParameteri           = &glFramebufferParameteriNULL;
-        getDebugMessageLog              = &glGetDebugMessageLogNULL;
-        getFramebufferParameteriv       = &glGetFramebufferParameterivNULL;
-        getInternalformati64v           = &glGetInternalformati64vNULL;
-        getObjectLabel                  = &glGetObjectLabelNULL;
-        getObjectPtrLabel               = &glGetObjectPtrLabelNULL;
-        getPointerv                     = &glGetPointervNULL;
-        getProgramInterfaceiv           = &glGetProgramInterfaceivNULL;
-        getProgramResourceIndex         = &glGetProgramResourceIndexNULL;
-        getProgramResourceLocation      = &glGetProgramResourceLocationNULL;
-        getProgramResourceLocationIndex = &glGetProgramResourceLocationIndexNULL;
-        getProgramResourceName          = &glGetProgramResourceNameNULL;
-        getProgramResourceiv            = &glGetProgramResourceivNULL;
-        invalidateBufferData            = &glInvalidateBufferDataNULL;
-        invalidateBufferSubData         = &glInvalidateBufferSubDataNULL;
-        invalidateFramebuffer           = &glInvalidateFramebufferNULL;
-        invalidateSubFramebuffer        = &glInvalidateSubFramebufferNULL;
-        invalidateTexImage              = &glInvalidateTexImageNULL;
-        invalidateTexSubImage           = &glInvalidateTexSubImageNULL;
-        multiDrawArraysIndirect         = &glMultiDrawArraysIndirectNULL;
-        multiDrawElementsIndirect       = &glMultiDrawElementsIndirectNULL;
-        objectLabel                     = &glObjectLabelNULL;
-        objectPtrLabel                  = &glObjectPtrLabelNULL;
-        popDebugGroup                   = &glPopDebugGroupNULL;
-        pushDebugGroup                  = &glPushDebugGroupNULL;
-        shaderStorageBlockBinding       = &glShaderStorageBlockBindingNULL;
-        texBufferRange                  = &glTexBufferRangeNULL;
-        texStorage2DMultisample         = &glTexStorage2DMultisampleNULL;
-        texStorage3DMultisample         = &glTexStorage3DMultisampleNULL;
-        textureView                     = &glTextureViewNULL;
-        vertexAttribBinding             = &glVertexAttribBindingNULL;
-        vertexAttribFormat              = &glVertexAttribFormatNULL;
-        vertexAttribIFormat             = &glVertexAttribIFormatNULL;
-        vertexAttribLFormat             = &glVertexAttribLFormatNULL;
-        vertexBindingDivisor            = &glVertexBindingDivisorNULL;
-    }
-
-    if (version >= gl::Version(4, 4))
-    {
-        bindBuffersBase   = &glBindBuffersBaseNULL;
-        bindBuffersRange  = &glBindBuffersRangeNULL;
-        bindImageTextures = &glBindImageTexturesNULL;
-        bindSamplers      = &glBindSamplersNULL;
-        bindTextures      = &glBindTexturesNULL;
-        bindVertexBuffers = &glBindVertexBuffersNULL;
-        bufferStorage     = &glBufferStorageNULL;
-        clearTexImage     = &glClearTexImageNULL;
-        clearTexSubImage  = &glClearTexSubImageNULL;
-    }
-
-    if (version >= gl::Version(4, 5))
-    {
-        bindTextureUnit                          = &glBindTextureUnitNULL;
-        blitNamedFramebuffer                     = &glBlitNamedFramebufferNULL;
-        checkNamedFramebufferStatus              = &glCheckNamedFramebufferStatusNULL;
-        clearNamedBufferData                     = &glClearNamedBufferDataNULL;
-        clearNamedBufferSubData                  = &glClearNamedBufferSubDataNULL;
-        clearNamedFramebufferfi                  = &glClearNamedFramebufferfiNULL;
-        clearNamedFramebufferfv                  = &glClearNamedFramebufferfvNULL;
-        clearNamedFramebufferiv                  = &glClearNamedFramebufferivNULL;
-        clearNamedFramebufferuiv                 = &glClearNamedFramebufferuivNULL;
-        clipControl                              = &glClipControlNULL;
-        compressedTextureSubImage1D              = &glCompressedTextureSubImage1DNULL;
-        compressedTextureSubImage2D              = &glCompressedTextureSubImage2DNULL;
-        compressedTextureSubImage3D              = &glCompressedTextureSubImage3DNULL;
-        copyNamedBufferSubData                   = &glCopyNamedBufferSubDataNULL;
-        copyTextureSubImage1D                    = &glCopyTextureSubImage1DNULL;
-        copyTextureSubImage2D                    = &glCopyTextureSubImage2DNULL;
-        copyTextureSubImage3D                    = &glCopyTextureSubImage3DNULL;
-        createBuffers                            = &glCreateBuffersNULL;
-        createFramebuffers                       = &glCreateFramebuffersNULL;
-        createProgramPipelines                   = &glCreateProgramPipelinesNULL;
-        createQueries                            = &glCreateQueriesNULL;
-        createRenderbuffers                      = &glCreateRenderbuffersNULL;
-        createSamplers                           = &glCreateSamplersNULL;
-        createTextures                           = &glCreateTexturesNULL;
-        createTransformFeedbacks                 = &glCreateTransformFeedbacksNULL;
-        createVertexArrays                       = &glCreateVertexArraysNULL;
-        disableVertexArrayAttrib                 = &glDisableVertexArrayAttribNULL;
-        enableVertexArrayAttrib                  = &glEnableVertexArrayAttribNULL;
-        flushMappedNamedBufferRange              = &glFlushMappedNamedBufferRangeNULL;
-        generateTextureMipmap                    = &glGenerateTextureMipmapNULL;
-        getCompressedTextureImage                = &glGetCompressedTextureImageNULL;
-        getCompressedTextureSubImage             = &glGetCompressedTextureSubImageNULL;
-        getGraphicsResetStatus                   = &glGetGraphicsResetStatusNULL;
-        getNamedBufferParameteri64v              = &glGetNamedBufferParameteri64vNULL;
-        getNamedBufferParameteriv                = &glGetNamedBufferParameterivNULL;
-        getNamedBufferPointerv                   = &glGetNamedBufferPointervNULL;
-        getNamedBufferSubData                    = &glGetNamedBufferSubDataNULL;
-        getNamedFramebufferAttachmentParameteriv = &glGetNamedFramebufferAttachmentParameterivNULL;
-        getNamedFramebufferParameteriv           = &glGetNamedFramebufferParameterivNULL;
-        getNamedRenderbufferParameteriv          = &glGetNamedRenderbufferParameterivNULL;
-        getQueryBufferObjecti64v                 = &glGetQueryBufferObjecti64vNULL;
-        getQueryBufferObjectiv                   = &glGetQueryBufferObjectivNULL;
-        getQueryBufferObjectui64v                = &glGetQueryBufferObjectui64vNULL;
-        getQueryBufferObjectuiv                  = &glGetQueryBufferObjectuivNULL;
-        getTextureImage                          = &glGetTextureImageNULL;
-        getTextureLevelParameterfv               = &glGetTextureLevelParameterfvNULL;
-        getTextureLevelParameteriv               = &glGetTextureLevelParameterivNULL;
-        getTextureParameterIiv                   = &glGetTextureParameterIivNULL;
-        getTextureParameterIuiv                  = &glGetTextureParameterIuivNULL;
-        getTextureParameterfv                    = &glGetTextureParameterfvNULL;
-        getTextureParameteriv                    = &glGetTextureParameterivNULL;
-        getTextureSubImage                       = &glGetTextureSubImageNULL;
-        getTransformFeedbacki64_v                = &glGetTransformFeedbacki64_vNULL;
-        getTransformFeedbacki_v                  = &glGetTransformFeedbacki_vNULL;
-        getTransformFeedbackiv                   = &glGetTransformFeedbackivNULL;
-        getVertexArrayIndexed64iv                = &glGetVertexArrayIndexed64ivNULL;
-        getVertexArrayIndexediv                  = &glGetVertexArrayIndexedivNULL;
-        getVertexArrayiv                         = &glGetVertexArrayivNULL;
-        getnCompressedTexImage                   = &glGetnCompressedTexImageNULL;
-        getnTexImage                             = &glGetnTexImageNULL;
-        getnUniformdv                            = &glGetnUniformdvNULL;
-        getnUniformfv                            = &glGetnUniformfvNULL;
-        getnUniformiv                            = &glGetnUniformivNULL;
-        getnUniformuiv                           = &glGetnUniformuivNULL;
-        invalidateNamedFramebufferData           = &glInvalidateNamedFramebufferDataNULL;
-        invalidateNamedFramebufferSubData        = &glInvalidateNamedFramebufferSubDataNULL;
-        mapNamedBuffer                           = &glMapNamedBufferNULL;
-        mapNamedBufferRange                      = &glMapNamedBufferRangeNULL;
-        memoryBarrierByRegion                    = &glMemoryBarrierByRegionNULL;
-        namedBufferData                          = &glNamedBufferDataNULL;
-        namedBufferStorage                       = &glNamedBufferStorageNULL;
-        namedBufferSubData                       = &glNamedBufferSubDataNULL;
-        namedFramebufferDrawBuffer               = &glNamedFramebufferDrawBufferNULL;
-        namedFramebufferDrawBuffers              = &glNamedFramebufferDrawBuffersNULL;
-        namedFramebufferParameteri               = &glNamedFramebufferParameteriNULL;
-        namedFramebufferReadBuffer               = &glNamedFramebufferReadBufferNULL;
-        namedFramebufferRenderbuffer             = &glNamedFramebufferRenderbufferNULL;
-        namedFramebufferTexture                  = &glNamedFramebufferTextureNULL;
-        namedFramebufferTextureLayer             = &glNamedFramebufferTextureLayerNULL;
-        namedRenderbufferStorage                 = &glNamedRenderbufferStorageNULL;
-        namedRenderbufferStorageMultisample      = &glNamedRenderbufferStorageMultisampleNULL;
-        readnPixels                              = &glReadnPixelsNULL;
-        textureBarrier                           = &glTextureBarrierNULL;
-        textureBuffer                            = &glTextureBufferNULL;
-        textureBufferRange                       = &glTextureBufferRangeNULL;
-        textureParameterIiv                      = &glTextureParameterIivNULL;
-        textureParameterIuiv                     = &glTextureParameterIuivNULL;
-        textureParameterf                        = &glTextureParameterfNULL;
-        textureParameterfv                       = &glTextureParameterfvNULL;
-        textureParameteri                        = &glTextureParameteriNULL;
-        textureParameteriv                       = &glTextureParameterivNULL;
-        textureStorage1D                         = &glTextureStorage1DNULL;
-        textureStorage2D                         = &glTextureStorage2DNULL;
-        textureStorage2DMultisample              = &glTextureStorage2DMultisampleNULL;
-        textureStorage3D                         = &glTextureStorage3DNULL;
-        textureStorage3DMultisample              = &glTextureStorage3DMultisampleNULL;
-        textureSubImage1D                        = &glTextureSubImage1DNULL;
-        textureSubImage2D                        = &glTextureSubImage2DNULL;
-        textureSubImage3D                        = &glTextureSubImage3DNULL;
-        transformFeedbackBufferBase              = &glTransformFeedbackBufferBaseNULL;
-        transformFeedbackBufferRange             = &glTransformFeedbackBufferRangeNULL;
-        unmapNamedBuffer                         = &glUnmapNamedBufferNULL;
-        vertexArrayAttribBinding                 = &glVertexArrayAttribBindingNULL;
-        vertexArrayAttribFormat                  = &glVertexArrayAttribFormatNULL;
-        vertexArrayAttribIFormat                 = &glVertexArrayAttribIFormatNULL;
-        vertexArrayAttribLFormat                 = &glVertexArrayAttribLFormatNULL;
-        vertexArrayBindingDivisor                = &glVertexArrayBindingDivisorNULL;
-        vertexArrayElementBuffer                 = &glVertexArrayElementBufferNULL;
-        vertexArrayVertexBuffer                  = &glVertexArrayVertexBufferNULL;
-        vertexArrayVertexBuffers                 = &glVertexArrayVertexBuffersNULL;
-    }
-
     if (extensions.count("GL_ARB_ES2_compatibility") != 0)
     {
         clearDepthf              = &glClearDepthfNULL;
@@ -4694,12 +3969,1078 @@ void DispatchTableGL::initProcsDesktopGLNULL(const gl::Version &version,
         clearDepthf = &glClearDepthfNULL;
         depthRangef = &glDepthRangefNULL;
     }
+
+    if (version >= gl::Version(1, 0))
+    {
+        blendFunc              = &glBlendFuncNULL;
+        clear                  = &glClearNULL;
+        clearColor             = &glClearColorNULL;
+        clearDepth             = &glClearDepthNULL;
+        clearStencil           = &glClearStencilNULL;
+        colorMask              = &glColorMaskNULL;
+        cullFace               = &glCullFaceNULL;
+        depthFunc              = &glDepthFuncNULL;
+        depthMask              = &glDepthMaskNULL;
+        depthRange             = &glDepthRangeNULL;
+        disable                = &glDisableNULL;
+        drawBuffer             = &glDrawBufferNULL;
+        enable                 = &glEnableNULL;
+        finish                 = &glFinishNULL;
+        flush                  = &glFlushNULL;
+        frontFace              = &glFrontFaceNULL;
+        getBooleanv            = &glGetBooleanvNULL;
+        getDoublev             = &glGetDoublevNULL;
+        getError               = &glGetErrorNULL;
+        getFloatv              = &glGetFloatvNULL;
+        getIntegerv            = &glGetIntegervNULL;
+        getString              = &glGetStringNULL;
+        getTexImage            = &glGetTexImageNULL;
+        getTexLevelParameterfv = &glGetTexLevelParameterfvNULL;
+        getTexLevelParameteriv = &glGetTexLevelParameterivNULL;
+        getTexParameterfv      = &glGetTexParameterfvNULL;
+        getTexParameteriv      = &glGetTexParameterivNULL;
+        hint                   = &glHintNULL;
+        isEnabled              = &glIsEnabledNULL;
+        lineWidth              = &glLineWidthNULL;
+        logicOp                = &glLogicOpNULL;
+        pixelStoref            = &glPixelStorefNULL;
+        pixelStorei            = &glPixelStoreiNULL;
+        pointSize              = &glPointSizeNULL;
+        polygonMode            = &glPolygonModeNULL;
+        readBuffer             = &glReadBufferNULL;
+        readPixels             = &glReadPixelsNULL;
+        scissor                = &glScissorNULL;
+        stencilFunc            = &glStencilFuncNULL;
+        stencilMask            = &glStencilMaskNULL;
+        stencilOp              = &glStencilOpNULL;
+        texImage1D             = &glTexImage1DNULL;
+        texImage2D             = &glTexImage2DNULL;
+        texParameterf          = &glTexParameterfNULL;
+        texParameterfv         = &glTexParameterfvNULL;
+        texParameteri          = &glTexParameteriNULL;
+        texParameteriv         = &glTexParameterivNULL;
+        viewport               = &glViewportNULL;
+    }
+
+    if (version >= gl::Version(1, 1))
+    {
+        bindTexture       = &glBindTextureNULL;
+        copyTexImage1D    = &glCopyTexImage1DNULL;
+        copyTexImage2D    = &glCopyTexImage2DNULL;
+        copyTexSubImage1D = &glCopyTexSubImage1DNULL;
+        copyTexSubImage2D = &glCopyTexSubImage2DNULL;
+        deleteTextures    = &glDeleteTexturesNULL;
+        drawArrays        = &glDrawArraysNULL;
+        drawElements      = &glDrawElementsNULL;
+        genTextures       = &glGenTexturesNULL;
+        isTexture         = &glIsTextureNULL;
+        polygonOffset     = &glPolygonOffsetNULL;
+        texSubImage1D     = &glTexSubImage1DNULL;
+        texSubImage2D     = &glTexSubImage2DNULL;
+    }
+
+    if (version >= gl::Version(1, 2))
+    {
+        copyTexSubImage3D = &glCopyTexSubImage3DNULL;
+        drawRangeElements = &glDrawRangeElementsNULL;
+        texImage3D        = &glTexImage3DNULL;
+        texSubImage3D     = &glTexSubImage3DNULL;
+    }
+
+    if (version >= gl::Version(1, 3))
+    {
+        activeTexture           = &glActiveTextureNULL;
+        compressedTexImage1D    = &glCompressedTexImage1DNULL;
+        compressedTexImage2D    = &glCompressedTexImage2DNULL;
+        compressedTexImage3D    = &glCompressedTexImage3DNULL;
+        compressedTexSubImage1D = &glCompressedTexSubImage1DNULL;
+        compressedTexSubImage2D = &glCompressedTexSubImage2DNULL;
+        compressedTexSubImage3D = &glCompressedTexSubImage3DNULL;
+        getCompressedTexImage   = &glGetCompressedTexImageNULL;
+        sampleCoverage          = &glSampleCoverageNULL;
+    }
+
+    if (version >= gl::Version(1, 4))
+    {
+        blendColor        = &glBlendColorNULL;
+        blendEquation     = &glBlendEquationNULL;
+        blendFuncSeparate = &glBlendFuncSeparateNULL;
+        multiDrawArrays   = &glMultiDrawArraysNULL;
+        multiDrawElements = &glMultiDrawElementsNULL;
+        pointParameterf   = &glPointParameterfNULL;
+        pointParameterfv  = &glPointParameterfvNULL;
+        pointParameteri   = &glPointParameteriNULL;
+        pointParameteriv  = &glPointParameterivNULL;
+    }
+
+    if (version >= gl::Version(1, 5))
+    {
+        beginQuery           = &glBeginQueryNULL;
+        bindBuffer           = &glBindBufferNULL;
+        bufferData           = &glBufferDataNULL;
+        bufferSubData        = &glBufferSubDataNULL;
+        deleteBuffers        = &glDeleteBuffersNULL;
+        deleteQueries        = &glDeleteQueriesNULL;
+        endQuery             = &glEndQueryNULL;
+        genBuffers           = &glGenBuffersNULL;
+        genQueries           = &glGenQueriesNULL;
+        getBufferParameteriv = &glGetBufferParameterivNULL;
+        getBufferPointerv    = &glGetBufferPointervNULL;
+        getBufferSubData     = &glGetBufferSubDataNULL;
+        getQueryObjectiv     = &glGetQueryObjectivNULL;
+        getQueryObjectuiv    = &glGetQueryObjectuivNULL;
+        getQueryiv           = &glGetQueryivNULL;
+        isBuffer             = &glIsBufferNULL;
+        isQuery              = &glIsQueryNULL;
+        mapBuffer            = &glMapBufferNULL;
+        unmapBuffer          = &glUnmapBufferNULL;
+    }
+
+    if (version >= gl::Version(2, 0))
+    {
+        attachShader             = &glAttachShaderNULL;
+        bindAttribLocation       = &glBindAttribLocationNULL;
+        blendEquationSeparate    = &glBlendEquationSeparateNULL;
+        compileShader            = &glCompileShaderNULL;
+        createProgram            = &glCreateProgramNULL;
+        createShader             = &glCreateShaderNULL;
+        deleteProgram            = &glDeleteProgramNULL;
+        deleteShader             = &glDeleteShaderNULL;
+        detachShader             = &glDetachShaderNULL;
+        disableVertexAttribArray = &glDisableVertexAttribArrayNULL;
+        drawBuffers              = &glDrawBuffersNULL;
+        enableVertexAttribArray  = &glEnableVertexAttribArrayNULL;
+        getActiveAttrib          = &glGetActiveAttribNULL;
+        getActiveUniform         = &glGetActiveUniformNULL;
+        getAttachedShaders       = &glGetAttachedShadersNULL;
+        getAttribLocation        = &glGetAttribLocationNULL;
+        getProgramInfoLog        = &glGetProgramInfoLogNULL;
+        getProgramiv             = &glGetProgramivNULL;
+        getShaderInfoLog         = &glGetShaderInfoLogNULL;
+        getShaderSource          = &glGetShaderSourceNULL;
+        getShaderiv              = &glGetShaderivNULL;
+        getUniformLocation       = &glGetUniformLocationNULL;
+        getUniformfv             = &glGetUniformfvNULL;
+        getUniformiv             = &glGetUniformivNULL;
+        getVertexAttribPointerv  = &glGetVertexAttribPointervNULL;
+        getVertexAttribdv        = &glGetVertexAttribdvNULL;
+        getVertexAttribfv        = &glGetVertexAttribfvNULL;
+        getVertexAttribiv        = &glGetVertexAttribivNULL;
+        isProgram                = &glIsProgramNULL;
+        isShader                 = &glIsShaderNULL;
+        linkProgram              = &glLinkProgramNULL;
+        shaderSource             = &glShaderSourceNULL;
+        stencilFuncSeparate      = &glStencilFuncSeparateNULL;
+        stencilMaskSeparate      = &glStencilMaskSeparateNULL;
+        stencilOpSeparate        = &glStencilOpSeparateNULL;
+        uniform1f                = &glUniform1fNULL;
+        uniform1fv               = &glUniform1fvNULL;
+        uniform1i                = &glUniform1iNULL;
+        uniform1iv               = &glUniform1ivNULL;
+        uniform2f                = &glUniform2fNULL;
+        uniform2fv               = &glUniform2fvNULL;
+        uniform2i                = &glUniform2iNULL;
+        uniform2iv               = &glUniform2ivNULL;
+        uniform3f                = &glUniform3fNULL;
+        uniform3fv               = &glUniform3fvNULL;
+        uniform3i                = &glUniform3iNULL;
+        uniform3iv               = &glUniform3ivNULL;
+        uniform4f                = &glUniform4fNULL;
+        uniform4fv               = &glUniform4fvNULL;
+        uniform4i                = &glUniform4iNULL;
+        uniform4iv               = &glUniform4ivNULL;
+        uniformMatrix2fv         = &glUniformMatrix2fvNULL;
+        uniformMatrix3fv         = &glUniformMatrix3fvNULL;
+        uniformMatrix4fv         = &glUniformMatrix4fvNULL;
+        useProgram               = &glUseProgramNULL;
+        validateProgram          = &glValidateProgramNULL;
+        vertexAttrib1d           = &glVertexAttrib1dNULL;
+        vertexAttrib1dv          = &glVertexAttrib1dvNULL;
+        vertexAttrib1f           = &glVertexAttrib1fNULL;
+        vertexAttrib1fv          = &glVertexAttrib1fvNULL;
+        vertexAttrib1s           = &glVertexAttrib1sNULL;
+        vertexAttrib1sv          = &glVertexAttrib1svNULL;
+        vertexAttrib2d           = &glVertexAttrib2dNULL;
+        vertexAttrib2dv          = &glVertexAttrib2dvNULL;
+        vertexAttrib2f           = &glVertexAttrib2fNULL;
+        vertexAttrib2fv          = &glVertexAttrib2fvNULL;
+        vertexAttrib2s           = &glVertexAttrib2sNULL;
+        vertexAttrib2sv          = &glVertexAttrib2svNULL;
+        vertexAttrib3d           = &glVertexAttrib3dNULL;
+        vertexAttrib3dv          = &glVertexAttrib3dvNULL;
+        vertexAttrib3f           = &glVertexAttrib3fNULL;
+        vertexAttrib3fv          = &glVertexAttrib3fvNULL;
+        vertexAttrib3s           = &glVertexAttrib3sNULL;
+        vertexAttrib3sv          = &glVertexAttrib3svNULL;
+        vertexAttrib4Nbv         = &glVertexAttrib4NbvNULL;
+        vertexAttrib4Niv         = &glVertexAttrib4NivNULL;
+        vertexAttrib4Nsv         = &glVertexAttrib4NsvNULL;
+        vertexAttrib4Nub         = &glVertexAttrib4NubNULL;
+        vertexAttrib4Nubv        = &glVertexAttrib4NubvNULL;
+        vertexAttrib4Nuiv        = &glVertexAttrib4NuivNULL;
+        vertexAttrib4Nusv        = &glVertexAttrib4NusvNULL;
+        vertexAttrib4bv          = &glVertexAttrib4bvNULL;
+        vertexAttrib4d           = &glVertexAttrib4dNULL;
+        vertexAttrib4dv          = &glVertexAttrib4dvNULL;
+        vertexAttrib4f           = &glVertexAttrib4fNULL;
+        vertexAttrib4fv          = &glVertexAttrib4fvNULL;
+        vertexAttrib4iv          = &glVertexAttrib4ivNULL;
+        vertexAttrib4s           = &glVertexAttrib4sNULL;
+        vertexAttrib4sv          = &glVertexAttrib4svNULL;
+        vertexAttrib4ubv         = &glVertexAttrib4ubvNULL;
+        vertexAttrib4uiv         = &glVertexAttrib4uivNULL;
+        vertexAttrib4usv         = &glVertexAttrib4usvNULL;
+        vertexAttribPointer      = &glVertexAttribPointerNULL;
+    }
+
+    if (version >= gl::Version(2, 1))
+    {
+        uniformMatrix2x3fv = &glUniformMatrix2x3fvNULL;
+        uniformMatrix2x4fv = &glUniformMatrix2x4fvNULL;
+        uniformMatrix3x2fv = &glUniformMatrix3x2fvNULL;
+        uniformMatrix3x4fv = &glUniformMatrix3x4fvNULL;
+        uniformMatrix4x2fv = &glUniformMatrix4x2fvNULL;
+        uniformMatrix4x3fv = &glUniformMatrix4x3fvNULL;
+    }
+
+    if (version >= gl::Version(3, 0))
+    {
+        beginConditionalRender              = &glBeginConditionalRenderNULL;
+        beginTransformFeedback              = &glBeginTransformFeedbackNULL;
+        bindBufferBase                      = &glBindBufferBaseNULL;
+        bindBufferRange                     = &glBindBufferRangeNULL;
+        bindFragDataLocation                = &glBindFragDataLocationNULL;
+        bindFramebuffer                     = &glBindFramebufferNULL;
+        bindRenderbuffer                    = &glBindRenderbufferNULL;
+        bindVertexArray                     = &glBindVertexArrayNULL;
+        blitFramebuffer                     = &glBlitFramebufferNULL;
+        checkFramebufferStatus              = &glCheckFramebufferStatusNULL;
+        clampColor                          = &glClampColorNULL;
+        clearBufferfi                       = &glClearBufferfiNULL;
+        clearBufferfv                       = &glClearBufferfvNULL;
+        clearBufferiv                       = &glClearBufferivNULL;
+        clearBufferuiv                      = &glClearBufferuivNULL;
+        colorMaski                          = &glColorMaskiNULL;
+        deleteFramebuffers                  = &glDeleteFramebuffersNULL;
+        deleteRenderbuffers                 = &glDeleteRenderbuffersNULL;
+        deleteVertexArrays                  = &glDeleteVertexArraysNULL;
+        disablei                            = &glDisableiNULL;
+        enablei                             = &glEnableiNULL;
+        endConditionalRender                = &glEndConditionalRenderNULL;
+        endTransformFeedback                = &glEndTransformFeedbackNULL;
+        flushMappedBufferRange              = &glFlushMappedBufferRangeNULL;
+        framebufferRenderbuffer             = &glFramebufferRenderbufferNULL;
+        framebufferTexture1D                = &glFramebufferTexture1DNULL;
+        framebufferTexture2D                = &glFramebufferTexture2DNULL;
+        framebufferTexture3D                = &glFramebufferTexture3DNULL;
+        framebufferTextureLayer             = &glFramebufferTextureLayerNULL;
+        genFramebuffers                     = &glGenFramebuffersNULL;
+        genRenderbuffers                    = &glGenRenderbuffersNULL;
+        genVertexArrays                     = &glGenVertexArraysNULL;
+        generateMipmap                      = &glGenerateMipmapNULL;
+        getBooleani_v                       = &glGetBooleani_vNULL;
+        getFragDataLocation                 = &glGetFragDataLocationNULL;
+        getFramebufferAttachmentParameteriv = &glGetFramebufferAttachmentParameterivNULL;
+        getIntegeri_v                       = &glGetIntegeri_vNULL;
+        getRenderbufferParameteriv          = &glGetRenderbufferParameterivNULL;
+        getStringi                          = &glGetStringiNULL;
+        getTexParameterIiv                  = &glGetTexParameterIivNULL;
+        getTexParameterIuiv                 = &glGetTexParameterIuivNULL;
+        getTransformFeedbackVarying         = &glGetTransformFeedbackVaryingNULL;
+        getUniformuiv                       = &glGetUniformuivNULL;
+        getVertexAttribIiv                  = &glGetVertexAttribIivNULL;
+        getVertexAttribIuiv                 = &glGetVertexAttribIuivNULL;
+        isEnabledi                          = &glIsEnablediNULL;
+        isFramebuffer                       = &glIsFramebufferNULL;
+        isRenderbuffer                      = &glIsRenderbufferNULL;
+        isVertexArray                       = &glIsVertexArrayNULL;
+        mapBufferRange                      = &glMapBufferRangeNULL;
+        renderbufferStorage                 = &glRenderbufferStorageNULL;
+        renderbufferStorageMultisample      = &glRenderbufferStorageMultisampleNULL;
+        texParameterIiv                     = &glTexParameterIivNULL;
+        texParameterIuiv                    = &glTexParameterIuivNULL;
+        transformFeedbackVaryings           = &glTransformFeedbackVaryingsNULL;
+        uniform1ui                          = &glUniform1uiNULL;
+        uniform1uiv                         = &glUniform1uivNULL;
+        uniform2ui                          = &glUniform2uiNULL;
+        uniform2uiv                         = &glUniform2uivNULL;
+        uniform3ui                          = &glUniform3uiNULL;
+        uniform3uiv                         = &glUniform3uivNULL;
+        uniform4ui                          = &glUniform4uiNULL;
+        uniform4uiv                         = &glUniform4uivNULL;
+        vertexAttribI1i                     = &glVertexAttribI1iNULL;
+        vertexAttribI1iv                    = &glVertexAttribI1ivNULL;
+        vertexAttribI1ui                    = &glVertexAttribI1uiNULL;
+        vertexAttribI1uiv                   = &glVertexAttribI1uivNULL;
+        vertexAttribI2i                     = &glVertexAttribI2iNULL;
+        vertexAttribI2iv                    = &glVertexAttribI2ivNULL;
+        vertexAttribI2ui                    = &glVertexAttribI2uiNULL;
+        vertexAttribI2uiv                   = &glVertexAttribI2uivNULL;
+        vertexAttribI3i                     = &glVertexAttribI3iNULL;
+        vertexAttribI3iv                    = &glVertexAttribI3ivNULL;
+        vertexAttribI3ui                    = &glVertexAttribI3uiNULL;
+        vertexAttribI3uiv                   = &glVertexAttribI3uivNULL;
+        vertexAttribI4bv                    = &glVertexAttribI4bvNULL;
+        vertexAttribI4i                     = &glVertexAttribI4iNULL;
+        vertexAttribI4iv                    = &glVertexAttribI4ivNULL;
+        vertexAttribI4sv                    = &glVertexAttribI4svNULL;
+        vertexAttribI4ubv                   = &glVertexAttribI4ubvNULL;
+        vertexAttribI4ui                    = &glVertexAttribI4uiNULL;
+        vertexAttribI4uiv                   = &glVertexAttribI4uivNULL;
+        vertexAttribI4usv                   = &glVertexAttribI4usvNULL;
+        vertexAttribIPointer                = &glVertexAttribIPointerNULL;
+    }
+
+    if (version >= gl::Version(3, 1))
+    {
+        copyBufferSubData         = &glCopyBufferSubDataNULL;
+        drawArraysInstanced       = &glDrawArraysInstancedNULL;
+        drawElementsInstanced     = &glDrawElementsInstancedNULL;
+        getActiveUniformBlockName = &glGetActiveUniformBlockNameNULL;
+        getActiveUniformBlockiv   = &glGetActiveUniformBlockivNULL;
+        getActiveUniformName      = &glGetActiveUniformNameNULL;
+        getActiveUniformsiv       = &glGetActiveUniformsivNULL;
+        getUniformBlockIndex      = &glGetUniformBlockIndexNULL;
+        getUniformIndices         = &glGetUniformIndicesNULL;
+        primitiveRestartIndex     = &glPrimitiveRestartIndexNULL;
+        texBuffer                 = &glTexBufferNULL;
+        uniformBlockBinding       = &glUniformBlockBindingNULL;
+    }
+
+    if (version >= gl::Version(3, 2))
+    {
+        clientWaitSync                  = &glClientWaitSyncNULL;
+        deleteSync                      = &glDeleteSyncNULL;
+        drawElementsBaseVertex          = &glDrawElementsBaseVertexNULL;
+        drawElementsInstancedBaseVertex = &glDrawElementsInstancedBaseVertexNULL;
+        drawRangeElementsBaseVertex     = &glDrawRangeElementsBaseVertexNULL;
+        fenceSync                       = &glFenceSyncNULL;
+        framebufferTexture              = &glFramebufferTextureNULL;
+        getBufferParameteri64v          = &glGetBufferParameteri64vNULL;
+        getInteger64i_v                 = &glGetInteger64i_vNULL;
+        getInteger64v                   = &glGetInteger64vNULL;
+        getMultisamplefv                = &glGetMultisamplefvNULL;
+        getSynciv                       = &glGetSyncivNULL;
+        isSync                          = &glIsSyncNULL;
+        multiDrawElementsBaseVertex     = &glMultiDrawElementsBaseVertexNULL;
+        provokingVertex                 = &glProvokingVertexNULL;
+        sampleMaski                     = &glSampleMaskiNULL;
+        texImage2DMultisample           = &glTexImage2DMultisampleNULL;
+        texImage3DMultisample           = &glTexImage3DMultisampleNULL;
+        waitSync                        = &glWaitSyncNULL;
+    }
+
+    if (version >= gl::Version(3, 3))
+    {
+        bindFragDataLocationIndexed = &glBindFragDataLocationIndexedNULL;
+        bindSampler                 = &glBindSamplerNULL;
+        deleteSamplers              = &glDeleteSamplersNULL;
+        genSamplers                 = &glGenSamplersNULL;
+        getFragDataIndex            = &glGetFragDataIndexNULL;
+        getQueryObjecti64v          = &glGetQueryObjecti64vNULL;
+        getQueryObjectui64v         = &glGetQueryObjectui64vNULL;
+        getSamplerParameterIiv      = &glGetSamplerParameterIivNULL;
+        getSamplerParameterIuiv     = &glGetSamplerParameterIuivNULL;
+        getSamplerParameterfv       = &glGetSamplerParameterfvNULL;
+        getSamplerParameteriv       = &glGetSamplerParameterivNULL;
+        isSampler                   = &glIsSamplerNULL;
+        queryCounter                = &glQueryCounterNULL;
+        samplerParameterIiv         = &glSamplerParameterIivNULL;
+        samplerParameterIuiv        = &glSamplerParameterIuivNULL;
+        samplerParameterf           = &glSamplerParameterfNULL;
+        samplerParameterfv          = &glSamplerParameterfvNULL;
+        samplerParameteri           = &glSamplerParameteriNULL;
+        samplerParameteriv          = &glSamplerParameterivNULL;
+        vertexAttribDivisor         = &glVertexAttribDivisorNULL;
+        vertexAttribP1ui            = &glVertexAttribP1uiNULL;
+        vertexAttribP1uiv           = &glVertexAttribP1uivNULL;
+        vertexAttribP2ui            = &glVertexAttribP2uiNULL;
+        vertexAttribP2uiv           = &glVertexAttribP2uivNULL;
+        vertexAttribP3ui            = &glVertexAttribP3uiNULL;
+        vertexAttribP3uiv           = &glVertexAttribP3uivNULL;
+        vertexAttribP4ui            = &glVertexAttribP4uiNULL;
+        vertexAttribP4uiv           = &glVertexAttribP4uivNULL;
+    }
+
+    if (version >= gl::Version(4, 0))
+    {
+        beginQueryIndexed              = &glBeginQueryIndexedNULL;
+        bindTransformFeedback          = &glBindTransformFeedbackNULL;
+        blendEquationSeparatei         = &glBlendEquationSeparateiNULL;
+        blendEquationi                 = &glBlendEquationiNULL;
+        blendFuncSeparatei             = &glBlendFuncSeparateiNULL;
+        blendFunci                     = &glBlendFunciNULL;
+        deleteTransformFeedbacks       = &glDeleteTransformFeedbacksNULL;
+        drawArraysIndirect             = &glDrawArraysIndirectNULL;
+        drawElementsIndirect           = &glDrawElementsIndirectNULL;
+        drawTransformFeedback          = &glDrawTransformFeedbackNULL;
+        drawTransformFeedbackStream    = &glDrawTransformFeedbackStreamNULL;
+        endQueryIndexed                = &glEndQueryIndexedNULL;
+        genTransformFeedbacks          = &glGenTransformFeedbacksNULL;
+        getActiveSubroutineName        = &glGetActiveSubroutineNameNULL;
+        getActiveSubroutineUniformName = &glGetActiveSubroutineUniformNameNULL;
+        getActiveSubroutineUniformiv   = &glGetActiveSubroutineUniformivNULL;
+        getProgramStageiv              = &glGetProgramStageivNULL;
+        getQueryIndexediv              = &glGetQueryIndexedivNULL;
+        getSubroutineIndex             = &glGetSubroutineIndexNULL;
+        getSubroutineUniformLocation   = &glGetSubroutineUniformLocationNULL;
+        getUniformSubroutineuiv        = &glGetUniformSubroutineuivNULL;
+        getUniformdv                   = &glGetUniformdvNULL;
+        isTransformFeedback            = &glIsTransformFeedbackNULL;
+        minSampleShading               = &glMinSampleShadingNULL;
+        patchParameterfv               = &glPatchParameterfvNULL;
+        patchParameteri                = &glPatchParameteriNULL;
+        pauseTransformFeedback         = &glPauseTransformFeedbackNULL;
+        resumeTransformFeedback        = &glResumeTransformFeedbackNULL;
+        uniform1d                      = &glUniform1dNULL;
+        uniform1dv                     = &glUniform1dvNULL;
+        uniform2d                      = &glUniform2dNULL;
+        uniform2dv                     = &glUniform2dvNULL;
+        uniform3d                      = &glUniform3dNULL;
+        uniform3dv                     = &glUniform3dvNULL;
+        uniform4d                      = &glUniform4dNULL;
+        uniform4dv                     = &glUniform4dvNULL;
+        uniformMatrix2dv               = &glUniformMatrix2dvNULL;
+        uniformMatrix2x3dv             = &glUniformMatrix2x3dvNULL;
+        uniformMatrix2x4dv             = &glUniformMatrix2x4dvNULL;
+        uniformMatrix3dv               = &glUniformMatrix3dvNULL;
+        uniformMatrix3x2dv             = &glUniformMatrix3x2dvNULL;
+        uniformMatrix3x4dv             = &glUniformMatrix3x4dvNULL;
+        uniformMatrix4dv               = &glUniformMatrix4dvNULL;
+        uniformMatrix4x2dv             = &glUniformMatrix4x2dvNULL;
+        uniformMatrix4x3dv             = &glUniformMatrix4x3dvNULL;
+        uniformSubroutinesuiv          = &glUniformSubroutinesuivNULL;
+    }
+
+    if (version >= gl::Version(4, 1))
+    {
+        activeShaderProgram       = &glActiveShaderProgramNULL;
+        bindProgramPipeline       = &glBindProgramPipelineNULL;
+        clearDepthf               = &glClearDepthfNULL;
+        createShaderProgramv      = &glCreateShaderProgramvNULL;
+        deleteProgramPipelines    = &glDeleteProgramPipelinesNULL;
+        depthRangeArrayv          = &glDepthRangeArrayvNULL;
+        depthRangeIndexed         = &glDepthRangeIndexedNULL;
+        depthRangef               = &glDepthRangefNULL;
+        genProgramPipelines       = &glGenProgramPipelinesNULL;
+        getDoublei_v              = &glGetDoublei_vNULL;
+        getFloati_v               = &glGetFloati_vNULL;
+        getProgramBinary          = &glGetProgramBinaryNULL;
+        getProgramPipelineInfoLog = &glGetProgramPipelineInfoLogNULL;
+        getProgramPipelineiv      = &glGetProgramPipelineivNULL;
+        getShaderPrecisionFormat  = &glGetShaderPrecisionFormatNULL;
+        getVertexAttribLdv        = &glGetVertexAttribLdvNULL;
+        isProgramPipeline         = &glIsProgramPipelineNULL;
+        programBinary             = &glProgramBinaryNULL;
+        programParameteri         = &glProgramParameteriNULL;
+        programUniform1d          = &glProgramUniform1dNULL;
+        programUniform1dv         = &glProgramUniform1dvNULL;
+        programUniform1f          = &glProgramUniform1fNULL;
+        programUniform1fv         = &glProgramUniform1fvNULL;
+        programUniform1i          = &glProgramUniform1iNULL;
+        programUniform1iv         = &glProgramUniform1ivNULL;
+        programUniform1ui         = &glProgramUniform1uiNULL;
+        programUniform1uiv        = &glProgramUniform1uivNULL;
+        programUniform2d          = &glProgramUniform2dNULL;
+        programUniform2dv         = &glProgramUniform2dvNULL;
+        programUniform2f          = &glProgramUniform2fNULL;
+        programUniform2fv         = &glProgramUniform2fvNULL;
+        programUniform2i          = &glProgramUniform2iNULL;
+        programUniform2iv         = &glProgramUniform2ivNULL;
+        programUniform2ui         = &glProgramUniform2uiNULL;
+        programUniform2uiv        = &glProgramUniform2uivNULL;
+        programUniform3d          = &glProgramUniform3dNULL;
+        programUniform3dv         = &glProgramUniform3dvNULL;
+        programUniform3f          = &glProgramUniform3fNULL;
+        programUniform3fv         = &glProgramUniform3fvNULL;
+        programUniform3i          = &glProgramUniform3iNULL;
+        programUniform3iv         = &glProgramUniform3ivNULL;
+        programUniform3ui         = &glProgramUniform3uiNULL;
+        programUniform3uiv        = &glProgramUniform3uivNULL;
+        programUniform4d          = &glProgramUniform4dNULL;
+        programUniform4dv         = &glProgramUniform4dvNULL;
+        programUniform4f          = &glProgramUniform4fNULL;
+        programUniform4fv         = &glProgramUniform4fvNULL;
+        programUniform4i          = &glProgramUniform4iNULL;
+        programUniform4iv         = &glProgramUniform4ivNULL;
+        programUniform4ui         = &glProgramUniform4uiNULL;
+        programUniform4uiv        = &glProgramUniform4uivNULL;
+        programUniformMatrix2dv   = &glProgramUniformMatrix2dvNULL;
+        programUniformMatrix2fv   = &glProgramUniformMatrix2fvNULL;
+        programUniformMatrix2x3dv = &glProgramUniformMatrix2x3dvNULL;
+        programUniformMatrix2x3fv = &glProgramUniformMatrix2x3fvNULL;
+        programUniformMatrix2x4dv = &glProgramUniformMatrix2x4dvNULL;
+        programUniformMatrix2x4fv = &glProgramUniformMatrix2x4fvNULL;
+        programUniformMatrix3dv   = &glProgramUniformMatrix3dvNULL;
+        programUniformMatrix3fv   = &glProgramUniformMatrix3fvNULL;
+        programUniformMatrix3x2dv = &glProgramUniformMatrix3x2dvNULL;
+        programUniformMatrix3x2fv = &glProgramUniformMatrix3x2fvNULL;
+        programUniformMatrix3x4dv = &glProgramUniformMatrix3x4dvNULL;
+        programUniformMatrix3x4fv = &glProgramUniformMatrix3x4fvNULL;
+        programUniformMatrix4dv   = &glProgramUniformMatrix4dvNULL;
+        programUniformMatrix4fv   = &glProgramUniformMatrix4fvNULL;
+        programUniformMatrix4x2dv = &glProgramUniformMatrix4x2dvNULL;
+        programUniformMatrix4x2fv = &glProgramUniformMatrix4x2fvNULL;
+        programUniformMatrix4x3dv = &glProgramUniformMatrix4x3dvNULL;
+        programUniformMatrix4x3fv = &glProgramUniformMatrix4x3fvNULL;
+        releaseShaderCompiler     = &glReleaseShaderCompilerNULL;
+        scissorArrayv             = &glScissorArrayvNULL;
+        scissorIndexed            = &glScissorIndexedNULL;
+        scissorIndexedv           = &glScissorIndexedvNULL;
+        shaderBinary              = &glShaderBinaryNULL;
+        useProgramStages          = &glUseProgramStagesNULL;
+        validateProgramPipeline   = &glValidateProgramPipelineNULL;
+        vertexAttribL1d           = &glVertexAttribL1dNULL;
+        vertexAttribL1dv          = &glVertexAttribL1dvNULL;
+        vertexAttribL2d           = &glVertexAttribL2dNULL;
+        vertexAttribL2dv          = &glVertexAttribL2dvNULL;
+        vertexAttribL3d           = &glVertexAttribL3dNULL;
+        vertexAttribL3dv          = &glVertexAttribL3dvNULL;
+        vertexAttribL4d           = &glVertexAttribL4dNULL;
+        vertexAttribL4dv          = &glVertexAttribL4dvNULL;
+        vertexAttribLPointer      = &glVertexAttribLPointerNULL;
+        viewportArrayv            = &glViewportArrayvNULL;
+        viewportIndexedf          = &glViewportIndexedfNULL;
+        viewportIndexedfv         = &glViewportIndexedfvNULL;
+    }
+
+    if (version >= gl::Version(4, 2))
+    {
+        bindImageTexture                  = &glBindImageTextureNULL;
+        drawArraysInstancedBaseInstance   = &glDrawArraysInstancedBaseInstanceNULL;
+        drawElementsInstancedBaseInstance = &glDrawElementsInstancedBaseInstanceNULL;
+        drawElementsInstancedBaseVertexBaseInstance =
+            &glDrawElementsInstancedBaseVertexBaseInstanceNULL;
+        drawTransformFeedbackInstanced       = &glDrawTransformFeedbackInstancedNULL;
+        drawTransformFeedbackStreamInstanced = &glDrawTransformFeedbackStreamInstancedNULL;
+        getActiveAtomicCounterBufferiv       = &glGetActiveAtomicCounterBufferivNULL;
+        getInternalformativ                  = &glGetInternalformativNULL;
+        memoryBarrier                        = &glMemoryBarrierNULL;
+        texStorage1D                         = &glTexStorage1DNULL;
+        texStorage2D                         = &glTexStorage2DNULL;
+        texStorage3D                         = &glTexStorage3DNULL;
+    }
+
+    if (version >= gl::Version(4, 3))
+    {
+        bindVertexBuffer                = &glBindVertexBufferNULL;
+        clearBufferData                 = &glClearBufferDataNULL;
+        clearBufferSubData              = &glClearBufferSubDataNULL;
+        copyImageSubData                = &glCopyImageSubDataNULL;
+        debugMessageCallback            = &glDebugMessageCallbackNULL;
+        debugMessageControl             = &glDebugMessageControlNULL;
+        debugMessageInsert              = &glDebugMessageInsertNULL;
+        dispatchCompute                 = &glDispatchComputeNULL;
+        dispatchComputeIndirect         = &glDispatchComputeIndirectNULL;
+        framebufferParameteri           = &glFramebufferParameteriNULL;
+        getDebugMessageLog              = &glGetDebugMessageLogNULL;
+        getFramebufferParameteriv       = &glGetFramebufferParameterivNULL;
+        getInternalformati64v           = &glGetInternalformati64vNULL;
+        getObjectLabel                  = &glGetObjectLabelNULL;
+        getObjectPtrLabel               = &glGetObjectPtrLabelNULL;
+        getPointerv                     = &glGetPointervNULL;
+        getProgramInterfaceiv           = &glGetProgramInterfaceivNULL;
+        getProgramResourceIndex         = &glGetProgramResourceIndexNULL;
+        getProgramResourceLocation      = &glGetProgramResourceLocationNULL;
+        getProgramResourceLocationIndex = &glGetProgramResourceLocationIndexNULL;
+        getProgramResourceName          = &glGetProgramResourceNameNULL;
+        getProgramResourceiv            = &glGetProgramResourceivNULL;
+        invalidateBufferData            = &glInvalidateBufferDataNULL;
+        invalidateBufferSubData         = &glInvalidateBufferSubDataNULL;
+        invalidateFramebuffer           = &glInvalidateFramebufferNULL;
+        invalidateSubFramebuffer        = &glInvalidateSubFramebufferNULL;
+        invalidateTexImage              = &glInvalidateTexImageNULL;
+        invalidateTexSubImage           = &glInvalidateTexSubImageNULL;
+        multiDrawArraysIndirect         = &glMultiDrawArraysIndirectNULL;
+        multiDrawElementsIndirect       = &glMultiDrawElementsIndirectNULL;
+        objectLabel                     = &glObjectLabelNULL;
+        objectPtrLabel                  = &glObjectPtrLabelNULL;
+        popDebugGroup                   = &glPopDebugGroupNULL;
+        pushDebugGroup                  = &glPushDebugGroupNULL;
+        shaderStorageBlockBinding       = &glShaderStorageBlockBindingNULL;
+        texBufferRange                  = &glTexBufferRangeNULL;
+        texStorage2DMultisample         = &glTexStorage2DMultisampleNULL;
+        texStorage3DMultisample         = &glTexStorage3DMultisampleNULL;
+        textureView                     = &glTextureViewNULL;
+        vertexAttribBinding             = &glVertexAttribBindingNULL;
+        vertexAttribFormat              = &glVertexAttribFormatNULL;
+        vertexAttribIFormat             = &glVertexAttribIFormatNULL;
+        vertexAttribLFormat             = &glVertexAttribLFormatNULL;
+        vertexBindingDivisor            = &glVertexBindingDivisorNULL;
+    }
+
+    if (version >= gl::Version(4, 4))
+    {
+        bindBuffersBase   = &glBindBuffersBaseNULL;
+        bindBuffersRange  = &glBindBuffersRangeNULL;
+        bindImageTextures = &glBindImageTexturesNULL;
+        bindSamplers      = &glBindSamplersNULL;
+        bindTextures      = &glBindTexturesNULL;
+        bindVertexBuffers = &glBindVertexBuffersNULL;
+        bufferStorage     = &glBufferStorageNULL;
+        clearTexImage     = &glClearTexImageNULL;
+        clearTexSubImage  = &glClearTexSubImageNULL;
+    }
+
+    if (version >= gl::Version(4, 5))
+    {
+        bindTextureUnit                          = &glBindTextureUnitNULL;
+        blitNamedFramebuffer                     = &glBlitNamedFramebufferNULL;
+        checkNamedFramebufferStatus              = &glCheckNamedFramebufferStatusNULL;
+        clearNamedBufferData                     = &glClearNamedBufferDataNULL;
+        clearNamedBufferSubData                  = &glClearNamedBufferSubDataNULL;
+        clearNamedFramebufferfi                  = &glClearNamedFramebufferfiNULL;
+        clearNamedFramebufferfv                  = &glClearNamedFramebufferfvNULL;
+        clearNamedFramebufferiv                  = &glClearNamedFramebufferivNULL;
+        clearNamedFramebufferuiv                 = &glClearNamedFramebufferuivNULL;
+        clipControl                              = &glClipControlNULL;
+        compressedTextureSubImage1D              = &glCompressedTextureSubImage1DNULL;
+        compressedTextureSubImage2D              = &glCompressedTextureSubImage2DNULL;
+        compressedTextureSubImage3D              = &glCompressedTextureSubImage3DNULL;
+        copyNamedBufferSubData                   = &glCopyNamedBufferSubDataNULL;
+        copyTextureSubImage1D                    = &glCopyTextureSubImage1DNULL;
+        copyTextureSubImage2D                    = &glCopyTextureSubImage2DNULL;
+        copyTextureSubImage3D                    = &glCopyTextureSubImage3DNULL;
+        createBuffers                            = &glCreateBuffersNULL;
+        createFramebuffers                       = &glCreateFramebuffersNULL;
+        createProgramPipelines                   = &glCreateProgramPipelinesNULL;
+        createQueries                            = &glCreateQueriesNULL;
+        createRenderbuffers                      = &glCreateRenderbuffersNULL;
+        createSamplers                           = &glCreateSamplersNULL;
+        createTextures                           = &glCreateTexturesNULL;
+        createTransformFeedbacks                 = &glCreateTransformFeedbacksNULL;
+        createVertexArrays                       = &glCreateVertexArraysNULL;
+        disableVertexArrayAttrib                 = &glDisableVertexArrayAttribNULL;
+        enableVertexArrayAttrib                  = &glEnableVertexArrayAttribNULL;
+        flushMappedNamedBufferRange              = &glFlushMappedNamedBufferRangeNULL;
+        generateTextureMipmap                    = &glGenerateTextureMipmapNULL;
+        getCompressedTextureImage                = &glGetCompressedTextureImageNULL;
+        getCompressedTextureSubImage             = &glGetCompressedTextureSubImageNULL;
+        getGraphicsResetStatus                   = &glGetGraphicsResetStatusNULL;
+        getNamedBufferParameteri64v              = &glGetNamedBufferParameteri64vNULL;
+        getNamedBufferParameteriv                = &glGetNamedBufferParameterivNULL;
+        getNamedBufferPointerv                   = &glGetNamedBufferPointervNULL;
+        getNamedBufferSubData                    = &glGetNamedBufferSubDataNULL;
+        getNamedFramebufferAttachmentParameteriv = &glGetNamedFramebufferAttachmentParameterivNULL;
+        getNamedFramebufferParameteriv           = &glGetNamedFramebufferParameterivNULL;
+        getNamedRenderbufferParameteriv          = &glGetNamedRenderbufferParameterivNULL;
+        getQueryBufferObjecti64v                 = &glGetQueryBufferObjecti64vNULL;
+        getQueryBufferObjectiv                   = &glGetQueryBufferObjectivNULL;
+        getQueryBufferObjectui64v                = &glGetQueryBufferObjectui64vNULL;
+        getQueryBufferObjectuiv                  = &glGetQueryBufferObjectuivNULL;
+        getTextureImage                          = &glGetTextureImageNULL;
+        getTextureLevelParameterfv               = &glGetTextureLevelParameterfvNULL;
+        getTextureLevelParameteriv               = &glGetTextureLevelParameterivNULL;
+        getTextureParameterIiv                   = &glGetTextureParameterIivNULL;
+        getTextureParameterIuiv                  = &glGetTextureParameterIuivNULL;
+        getTextureParameterfv                    = &glGetTextureParameterfvNULL;
+        getTextureParameteriv                    = &glGetTextureParameterivNULL;
+        getTextureSubImage                       = &glGetTextureSubImageNULL;
+        getTransformFeedbacki64_v                = &glGetTransformFeedbacki64_vNULL;
+        getTransformFeedbacki_v                  = &glGetTransformFeedbacki_vNULL;
+        getTransformFeedbackiv                   = &glGetTransformFeedbackivNULL;
+        getVertexArrayIndexed64iv                = &glGetVertexArrayIndexed64ivNULL;
+        getVertexArrayIndexediv                  = &glGetVertexArrayIndexedivNULL;
+        getVertexArrayiv                         = &glGetVertexArrayivNULL;
+        getnCompressedTexImage                   = &glGetnCompressedTexImageNULL;
+        getnTexImage                             = &glGetnTexImageNULL;
+        getnUniformdv                            = &glGetnUniformdvNULL;
+        getnUniformfv                            = &glGetnUniformfvNULL;
+        getnUniformiv                            = &glGetnUniformivNULL;
+        getnUniformuiv                           = &glGetnUniformuivNULL;
+        invalidateNamedFramebufferData           = &glInvalidateNamedFramebufferDataNULL;
+        invalidateNamedFramebufferSubData        = &glInvalidateNamedFramebufferSubDataNULL;
+        mapNamedBuffer                           = &glMapNamedBufferNULL;
+        mapNamedBufferRange                      = &glMapNamedBufferRangeNULL;
+        memoryBarrierByRegion                    = &glMemoryBarrierByRegionNULL;
+        namedBufferData                          = &glNamedBufferDataNULL;
+        namedBufferStorage                       = &glNamedBufferStorageNULL;
+        namedBufferSubData                       = &glNamedBufferSubDataNULL;
+        namedFramebufferDrawBuffer               = &glNamedFramebufferDrawBufferNULL;
+        namedFramebufferDrawBuffers              = &glNamedFramebufferDrawBuffersNULL;
+        namedFramebufferParameteri               = &glNamedFramebufferParameteriNULL;
+        namedFramebufferReadBuffer               = &glNamedFramebufferReadBufferNULL;
+        namedFramebufferRenderbuffer             = &glNamedFramebufferRenderbufferNULL;
+        namedFramebufferTexture                  = &glNamedFramebufferTextureNULL;
+        namedFramebufferTextureLayer             = &glNamedFramebufferTextureLayerNULL;
+        namedRenderbufferStorage                 = &glNamedRenderbufferStorageNULL;
+        namedRenderbufferStorageMultisample      = &glNamedRenderbufferStorageMultisampleNULL;
+        readnPixels                              = &glReadnPixelsNULL;
+        textureBarrier                           = &glTextureBarrierNULL;
+        textureBuffer                            = &glTextureBufferNULL;
+        textureBufferRange                       = &glTextureBufferRangeNULL;
+        textureParameterIiv                      = &glTextureParameterIivNULL;
+        textureParameterIuiv                     = &glTextureParameterIuivNULL;
+        textureParameterf                        = &glTextureParameterfNULL;
+        textureParameterfv                       = &glTextureParameterfvNULL;
+        textureParameteri                        = &glTextureParameteriNULL;
+        textureParameteriv                       = &glTextureParameterivNULL;
+        textureStorage1D                         = &glTextureStorage1DNULL;
+        textureStorage2D                         = &glTextureStorage2DNULL;
+        textureStorage2DMultisample              = &glTextureStorage2DMultisampleNULL;
+        textureStorage3D                         = &glTextureStorage3DNULL;
+        textureStorage3DMultisample              = &glTextureStorage3DMultisampleNULL;
+        textureSubImage1D                        = &glTextureSubImage1DNULL;
+        textureSubImage2D                        = &glTextureSubImage2DNULL;
+        textureSubImage3D                        = &glTextureSubImage3DNULL;
+        transformFeedbackBufferBase              = &glTransformFeedbackBufferBaseNULL;
+        transformFeedbackBufferRange             = &glTransformFeedbackBufferRangeNULL;
+        unmapNamedBuffer                         = &glUnmapNamedBufferNULL;
+        vertexArrayAttribBinding                 = &glVertexArrayAttribBindingNULL;
+        vertexArrayAttribFormat                  = &glVertexArrayAttribFormatNULL;
+        vertexArrayAttribIFormat                 = &glVertexArrayAttribIFormatNULL;
+        vertexArrayAttribLFormat                 = &glVertexArrayAttribLFormatNULL;
+        vertexArrayBindingDivisor                = &glVertexArrayBindingDivisorNULL;
+        vertexArrayElementBuffer                 = &glVertexArrayElementBufferNULL;
+        vertexArrayVertexBuffer                  = &glVertexArrayVertexBufferNULL;
+        vertexArrayVertexBuffers                 = &glVertexArrayVertexBuffersNULL;
+    }
 #    endif  // defined(ANGLE_ENABLE_OPENGL_DESKTOP)
 }
 
 void DispatchTableGL::initProcsGLESNULL(const gl::Version &version,
                                         const std::set<std::string> &extensions)
 {
+    if (extensions.count("GL_EXT_base_instance") != 0)
+    {
+        drawArraysInstancedBaseInstance   = &glDrawArraysInstancedBaseInstanceNULL;
+        drawElementsInstancedBaseInstance = &glDrawElementsInstancedBaseInstanceNULL;
+        drawElementsInstancedBaseVertexBaseInstance =
+            &glDrawElementsInstancedBaseVertexBaseInstanceNULL;
+    }
+
+    if (extensions.count("GL_EXT_blend_func_extended") != 0)
+    {
+        bindFragDataLocation            = &glBindFragDataLocationNULL;
+        bindFragDataLocationIndexed     = &glBindFragDataLocationIndexedNULL;
+        getFragDataIndex                = &glGetFragDataIndexNULL;
+        getProgramResourceLocationIndex = &glGetProgramResourceLocationIndexNULL;
+    }
+
+    if (extensions.count("GL_EXT_buffer_storage") != 0)
+    {
+        bufferStorage = &glBufferStorageNULL;
+    }
+
+    if (extensions.count("GL_EXT_clear_texture") != 0)
+    {
+        clearTexImage    = &glClearTexImageNULL;
+        clearTexSubImage = &glClearTexSubImageNULL;
+    }
+
+    if (extensions.count("GL_EXT_clip_control") != 0)
+    {
+        clipControl = &glClipControlNULL;
+    }
+
+    if (extensions.count("GL_EXT_copy_image") != 0)
+    {
+        copyImageSubData = &glCopyImageSubDataNULL;
+    }
+
+    if (extensions.count("GL_EXT_discard_framebuffer") != 0)
+    {
+        discardFramebufferEXT = &glDiscardFramebufferEXTNULL;
+    }
+
+    if (extensions.count("GL_EXT_disjoint_timer_query") != 0)
+    {
+        beginQuery          = &glBeginQueryNULL;
+        deleteQueries       = &glDeleteQueriesNULL;
+        endQuery            = &glEndQueryNULL;
+        genQueries          = &glGenQueriesNULL;
+        getInteger64v       = &glGetInteger64vNULL;
+        getQueryObjecti64v  = &glGetQueryObjecti64vNULL;
+        getQueryObjectiv    = &glGetQueryObjectivNULL;
+        getQueryObjectui64v = &glGetQueryObjectui64vNULL;
+        getQueryObjectuiv   = &glGetQueryObjectuivNULL;
+        getQueryiv          = &glGetQueryivNULL;
+        isQuery             = &glIsQueryNULL;
+        queryCounter        = &glQueryCounterNULL;
+    }
+
+    if (extensions.count("GL_EXT_draw_buffers") != 0)
+    {
+        drawBuffers = &glDrawBuffersNULL;
+    }
+
+    if (extensions.count("GL_EXT_draw_buffers_indexed") != 0)
+    {
+        blendEquationSeparatei = &glBlendEquationSeparateiNULL;
+        blendEquationi         = &glBlendEquationiNULL;
+        blendFuncSeparatei     = &glBlendFuncSeparateiNULL;
+        blendFunci             = &glBlendFunciNULL;
+        colorMaski             = &glColorMaskiNULL;
+        disablei               = &glDisableiNULL;
+        enablei                = &glEnableiNULL;
+        isEnabledi             = &glIsEnablediNULL;
+    }
+
+    if (extensions.count("GL_EXT_draw_elements_base_vertex") != 0)
+    {
+        drawElementsBaseVertex          = &glDrawElementsBaseVertexNULL;
+        drawElementsInstancedBaseVertex = &glDrawElementsInstancedBaseVertexNULL;
+        drawRangeElementsBaseVertex     = &glDrawRangeElementsBaseVertexNULL;
+        multiDrawElementsBaseVertex     = &glMultiDrawElementsBaseVertexNULL;
+    }
+
+    if (extensions.count("GL_EXT_draw_transform_feedback") != 0)
+    {
+        drawTransformFeedback          = &glDrawTransformFeedbackNULL;
+        drawTransformFeedbackInstanced = &glDrawTransformFeedbackInstancedNULL;
+    }
+
+    if (extensions.count("GL_EXT_geometry_shader") != 0)
+    {
+        framebufferTexture = &glFramebufferTextureNULL;
+    }
+
+    if (extensions.count("GL_EXT_instanced_arrays") != 0)
+    {
+        vertexAttribDivisor = &glVertexAttribDivisorNULL;
+    }
+
+    if (extensions.count("GL_EXT_map_buffer_range") != 0)
+    {
+        flushMappedBufferRange = &glFlushMappedBufferRangeNULL;
+        mapBufferRange         = &glMapBufferRangeNULL;
+    }
+
+    if (extensions.count("GL_EXT_multi_draw_indirect") != 0)
+    {
+        multiDrawArraysIndirect   = &glMultiDrawArraysIndirectNULL;
+        multiDrawElementsIndirect = &glMultiDrawElementsIndirectNULL;
+    }
+
+    if (extensions.count("GL_EXT_multisampled_render_to_texture") != 0)
+    {
+        renderbufferStorageMultisample = &glRenderbufferStorageMultisampleNULL;
+    }
+
+    if (extensions.count("GL_EXT_multiview_draw_buffers") != 0)
+    {
+        getIntegeri_v = &glGetIntegeri_vNULL;
+    }
+
+    if (extensions.count("GL_EXT_occlusion_query_boolean") != 0)
+    {
+        beginQuery        = &glBeginQueryNULL;
+        deleteQueries     = &glDeleteQueriesNULL;
+        endQuery          = &glEndQueryNULL;
+        genQueries        = &glGenQueriesNULL;
+        getQueryObjectuiv = &glGetQueryObjectuivNULL;
+        getQueryiv        = &glGetQueryivNULL;
+        isQuery           = &glIsQueryNULL;
+    }
+
+    if (extensions.count("GL_EXT_primitive_bounding_box") != 0)
+    {
+        primitiveBoundingBox = &glPrimitiveBoundingBoxNULL;
+    }
+
+    if (extensions.count("GL_EXT_robustness") != 0)
+    {
+        getGraphicsResetStatus = &glGetGraphicsResetStatusNULL;
+        getnUniformfv          = &glGetnUniformfvNULL;
+        getnUniformiv          = &glGetnUniformivNULL;
+        readnPixels            = &glReadnPixelsNULL;
+    }
+
+    if (extensions.count("GL_EXT_tessellation_shader") != 0)
+    {
+        patchParameteri = &glPatchParameteriNULL;
+    }
+
+    if (extensions.count("GL_EXT_texture_border_clamp") != 0)
+    {
+        getSamplerParameterIiv  = &glGetSamplerParameterIivNULL;
+        getSamplerParameterIuiv = &glGetSamplerParameterIuivNULL;
+        getTexParameterIiv      = &glGetTexParameterIivNULL;
+        getTexParameterIuiv     = &glGetTexParameterIuivNULL;
+        samplerParameterIiv     = &glSamplerParameterIivNULL;
+        samplerParameterIuiv    = &glSamplerParameterIuivNULL;
+        texParameterIiv         = &glTexParameterIivNULL;
+        texParameterIuiv        = &glTexParameterIuivNULL;
+    }
+
+    if (extensions.count("GL_EXT_texture_buffer") != 0)
+    {
+        texBuffer         = &glTexBufferNULL;
+        texBufferEXT      = &glTexBufferEXTNULL;
+        texBufferRange    = &glTexBufferRangeNULL;
+        texBufferRangeEXT = &glTexBufferRangeEXTNULL;
+    }
+
+    if (extensions.count("GL_EXT_texture_storage") != 0)
+    {
+        texStorage1D     = &glTexStorage1DNULL;
+        texStorage2D     = &glTexStorage2DNULL;
+        texStorage3D     = &glTexStorage3DNULL;
+        textureStorage1D = &glTextureStorage1DNULL;
+        textureStorage2D = &glTextureStorage2DNULL;
+        textureStorage3D = &glTextureStorage3DNULL;
+    }
+
+    if (extensions.count("GL_EXT_texture_view") != 0)
+    {
+        textureView = &glTextureViewNULL;
+    }
+
+    if (extensions.count("GL_KHR_debug") != 0)
+    {
+        debugMessageCallback = &glDebugMessageCallbackNULL;
+        debugMessageControl  = &glDebugMessageControlNULL;
+        debugMessageInsert   = &glDebugMessageInsertNULL;
+        getDebugMessageLog   = &glGetDebugMessageLogNULL;
+        getObjectLabel       = &glGetObjectLabelNULL;
+        getObjectPtrLabel    = &glGetObjectPtrLabelNULL;
+        getPointerv          = &glGetPointervNULL;
+        objectLabel          = &glObjectLabelNULL;
+        objectPtrLabel       = &glObjectPtrLabelNULL;
+        popDebugGroup        = &glPopDebugGroupNULL;
+        pushDebugGroup       = &glPushDebugGroupNULL;
+    }
+
+    if (extensions.count("GL_KHR_robustness") != 0)
+    {
+        getGraphicsResetStatus = &glGetGraphicsResetStatusNULL;
+        getnUniformfv          = &glGetnUniformfvNULL;
+        getnUniformiv          = &glGetnUniformivNULL;
+        getnUniformuiv         = &glGetnUniformuivNULL;
+        readnPixels            = &glReadnPixelsNULL;
+    }
+
+    if (extensions.count("GL_NV_framebuffer_blit") != 0)
+    {
+        blitFramebufferNV = &glBlitFramebufferNVNULL;
+    }
+
+    if (extensions.count("GL_OES_EGL_image") != 0)
+    {
+        eGLImageTargetRenderbufferStorageOES = &glEGLImageTargetRenderbufferStorageOESNULL;
+        eGLImageTargetTexture2DOES           = &glEGLImageTargetTexture2DOESNULL;
+    }
+
+    if (extensions.count("GL_OES_copy_image") != 0)
+    {
+        copyImageSubData = &glCopyImageSubDataNULL;
+    }
+
+    if (extensions.count("GL_OES_draw_buffers_indexed") != 0)
+    {
+        blendEquationSeparatei = &glBlendEquationSeparateiNULL;
+        blendEquationi         = &glBlendEquationiNULL;
+        blendFuncSeparatei     = &glBlendFuncSeparateiNULL;
+        blendFunci             = &glBlendFunciNULL;
+        colorMaski             = &glColorMaskiNULL;
+        disablei               = &glDisableiNULL;
+        enablei                = &glEnableiNULL;
+        isEnabledi             = &glIsEnablediNULL;
+    }
+
+    if (extensions.count("GL_OES_draw_elements_base_vertex") != 0)
+    {
+        drawElementsBaseVertex          = &glDrawElementsBaseVertexNULL;
+        drawElementsInstancedBaseVertex = &glDrawElementsInstancedBaseVertexNULL;
+        drawRangeElementsBaseVertex     = &glDrawRangeElementsBaseVertexNULL;
+        multiDrawElementsBaseVertex     = &glMultiDrawElementsBaseVertexNULL;
+    }
+
+    if (extensions.count("GL_OES_geometry_shader") != 0)
+    {
+        framebufferTexture = &glFramebufferTextureNULL;
+    }
+
+    if (extensions.count("GL_OES_get_program_binary") != 0)
+    {
+        getProgramBinary = &glGetProgramBinaryNULL;
+        programBinary    = &glProgramBinaryNULL;
+    }
+
+    if (extensions.count("GL_OES_mapbuffer") != 0)
+    {
+        getBufferPointerv = &glGetBufferPointervNULL;
+        mapBuffer         = &glMapBufferNULL;
+        unmapBuffer       = &glUnmapBufferNULL;
+    }
+
+    if (extensions.count("GL_OES_primitive_bounding_box") != 0)
+    {
+        primitiveBoundingBox = &glPrimitiveBoundingBoxNULL;
+    }
+
+    if (extensions.count("GL_OES_sample_shading") != 0)
+    {
+        minSampleShading = &glMinSampleShadingNULL;
+    }
+
+    if (extensions.count("GL_OES_tessellation_shader") != 0)
+    {
+        patchParameteri = &glPatchParameteriNULL;
+    }
+
+    if (extensions.count("GL_OES_texture_3D") != 0)
+    {
+        compressedTexImage3D    = &glCompressedTexImage3DNULL;
+        compressedTexSubImage3D = &glCompressedTexSubImage3DNULL;
+        copyTexSubImage3D       = &glCopyTexSubImage3DNULL;
+        framebufferTexture3D    = &glFramebufferTexture3DNULL;
+        texImage3D              = &glTexImage3DNULL;
+        texSubImage3D           = &glTexSubImage3DNULL;
+    }
+
+    if (extensions.count("GL_OES_texture_border_clamp") != 0)
+    {
+        getSamplerParameterIiv  = &glGetSamplerParameterIivNULL;
+        getSamplerParameterIuiv = &glGetSamplerParameterIuivNULL;
+        getTexParameterIiv      = &glGetTexParameterIivNULL;
+        getTexParameterIuiv     = &glGetTexParameterIuivNULL;
+        samplerParameterIiv     = &glSamplerParameterIivNULL;
+        samplerParameterIuiv    = &glSamplerParameterIuivNULL;
+        texParameterIiv         = &glTexParameterIivNULL;
+        texParameterIuiv        = &glTexParameterIuivNULL;
+    }
+
+    if (extensions.count("GL_OES_texture_buffer") != 0)
+    {
+        texBuffer         = &glTexBufferNULL;
+        texBufferOES      = &glTexBufferOESNULL;
+        texBufferRange    = &glTexBufferRangeNULL;
+        texBufferRangeOES = &glTexBufferRangeOESNULL;
+    }
+
+    if (extensions.count("GL_OES_texture_storage_multisample_2d_array") != 0)
+    {
+        texStorage3DMultisample = &glTexStorage3DMultisampleNULL;
+    }
+
+    if (extensions.count("GL_OES_texture_view") != 0)
+    {
+        textureView = &glTextureViewNULL;
+    }
+
+    if (extensions.count("GL_OES_vertex_array_object") != 0)
+    {
+        bindVertexArray    = &glBindVertexArrayNULL;
+        deleteVertexArrays = &glDeleteVertexArraysNULL;
+        genVertexArrays    = &glGenVertexArraysNULL;
+        isVertexArray      = &glIsVertexArrayNULL;
+    }
+
+    if (extensions.count("GL_OES_viewport_array") != 0)
+    {
+        disablei          = &glDisableiNULL;
+        enablei           = &glEnableiNULL;
+        getFloati_v       = &glGetFloati_vNULL;
+        isEnabledi        = &glIsEnablediNULL;
+        scissorArrayv     = &glScissorArrayvNULL;
+        scissorIndexed    = &glScissorIndexedNULL;
+        scissorIndexedv   = &glScissorIndexedvNULL;
+        viewportArrayv    = &glViewportArrayvNULL;
+        viewportIndexedf  = &glViewportIndexedfNULL;
+        viewportIndexedfv = &glViewportIndexedfvNULL;
+    }
+
     if (version >= gl::Version(2, 0))
     {
         activeTexture                       = &glActiveTextureNULL;
@@ -5073,346 +5414,6 @@ void DispatchTableGL::initProcsGLESNULL(const gl::Version &version,
         texParameterIuiv                = &glTexParameterIuivNULL;
         texStorage3DMultisample         = &glTexStorage3DMultisampleNULL;
     }
-
-    if (extensions.count("GL_EXT_base_instance") != 0)
-    {
-        drawArraysInstancedBaseInstance   = &glDrawArraysInstancedBaseInstanceNULL;
-        drawElementsInstancedBaseInstance = &glDrawElementsInstancedBaseInstanceNULL;
-        drawElementsInstancedBaseVertexBaseInstance =
-            &glDrawElementsInstancedBaseVertexBaseInstanceNULL;
-    }
-
-    if (extensions.count("GL_EXT_blend_func_extended") != 0)
-    {
-        bindFragDataLocation            = &glBindFragDataLocationNULL;
-        bindFragDataLocationIndexed     = &glBindFragDataLocationIndexedNULL;
-        getFragDataIndex                = &glGetFragDataIndexNULL;
-        getProgramResourceLocationIndex = &glGetProgramResourceLocationIndexNULL;
-    }
-
-    if (extensions.count("GL_EXT_buffer_storage") != 0)
-    {
-        bufferStorage = &glBufferStorageNULL;
-    }
-
-    if (extensions.count("GL_EXT_clear_texture") != 0)
-    {
-        clearTexImage    = &glClearTexImageNULL;
-        clearTexSubImage = &glClearTexSubImageNULL;
-    }
-
-    if (extensions.count("GL_EXT_clip_control") != 0)
-    {
-        clipControl = &glClipControlNULL;
-    }
-
-    if (extensions.count("GL_EXT_copy_image") != 0)
-    {
-        copyImageSubData = &glCopyImageSubDataNULL;
-    }
-
-    if (extensions.count("GL_EXT_discard_framebuffer") != 0)
-    {
-        discardFramebufferEXT = &glDiscardFramebufferEXTNULL;
-    }
-
-    if (extensions.count("GL_EXT_disjoint_timer_query") != 0)
-    {
-        beginQuery          = &glBeginQueryNULL;
-        deleteQueries       = &glDeleteQueriesNULL;
-        endQuery            = &glEndQueryNULL;
-        genQueries          = &glGenQueriesNULL;
-        getInteger64v       = &glGetInteger64vNULL;
-        getQueryObjecti64v  = &glGetQueryObjecti64vNULL;
-        getQueryObjectiv    = &glGetQueryObjectivNULL;
-        getQueryObjectui64v = &glGetQueryObjectui64vNULL;
-        getQueryObjectuiv   = &glGetQueryObjectuivNULL;
-        getQueryiv          = &glGetQueryivNULL;
-        isQuery             = &glIsQueryNULL;
-        queryCounter        = &glQueryCounterNULL;
-    }
-
-    if (extensions.count("GL_EXT_draw_buffers") != 0)
-    {
-        drawBuffers = &glDrawBuffersNULL;
-    }
-
-    if (extensions.count("GL_EXT_draw_buffers_indexed") != 0)
-    {
-        blendEquationSeparatei = &glBlendEquationSeparateiNULL;
-        blendEquationi         = &glBlendEquationiNULL;
-        blendFuncSeparatei     = &glBlendFuncSeparateiNULL;
-        blendFunci             = &glBlendFunciNULL;
-        colorMaski             = &glColorMaskiNULL;
-        disablei               = &glDisableiNULL;
-        enablei                = &glEnableiNULL;
-        isEnabledi             = &glIsEnablediNULL;
-    }
-
-    if (extensions.count("GL_EXT_draw_elements_base_vertex") != 0)
-    {
-        drawElementsBaseVertex          = &glDrawElementsBaseVertexNULL;
-        drawElementsInstancedBaseVertex = &glDrawElementsInstancedBaseVertexNULL;
-        drawRangeElementsBaseVertex     = &glDrawRangeElementsBaseVertexNULL;
-        multiDrawElementsBaseVertex     = &glMultiDrawElementsBaseVertexNULL;
-    }
-
-    if (extensions.count("GL_EXT_draw_transform_feedback") != 0)
-    {
-        drawTransformFeedback          = &glDrawTransformFeedbackNULL;
-        drawTransformFeedbackInstanced = &glDrawTransformFeedbackInstancedNULL;
-    }
-
-    if (extensions.count("GL_EXT_geometry_shader") != 0)
-    {
-        framebufferTexture = &glFramebufferTextureNULL;
-    }
-
-    if (extensions.count("GL_EXT_instanced_arrays") != 0)
-    {
-        vertexAttribDivisor = &glVertexAttribDivisorNULL;
-    }
-
-    if (extensions.count("GL_EXT_map_buffer_range") != 0)
-    {
-        flushMappedBufferRange = &glFlushMappedBufferRangeNULL;
-        mapBufferRange         = &glMapBufferRangeNULL;
-    }
-
-    if (extensions.count("GL_EXT_multi_draw_indirect") != 0)
-    {
-        multiDrawArraysIndirect   = &glMultiDrawArraysIndirectNULL;
-        multiDrawElementsIndirect = &glMultiDrawElementsIndirectNULL;
-    }
-
-    if (extensions.count("GL_EXT_multisampled_render_to_texture") != 0)
-    {
-        renderbufferStorageMultisample = &glRenderbufferStorageMultisampleNULL;
-    }
-
-    if (extensions.count("GL_EXT_multiview_draw_buffers") != 0)
-    {
-        getIntegeri_v = &glGetIntegeri_vNULL;
-    }
-
-    if (extensions.count("GL_EXT_occlusion_query_boolean") != 0)
-    {
-        beginQuery        = &glBeginQueryNULL;
-        deleteQueries     = &glDeleteQueriesNULL;
-        endQuery          = &glEndQueryNULL;
-        genQueries        = &glGenQueriesNULL;
-        getQueryObjectuiv = &glGetQueryObjectuivNULL;
-        getQueryiv        = &glGetQueryivNULL;
-        isQuery           = &glIsQueryNULL;
-    }
-
-    if (extensions.count("GL_EXT_primitive_bounding_box") != 0)
-    {
-        primitiveBoundingBox = &glPrimitiveBoundingBoxNULL;
-    }
-
-    if (extensions.count("GL_EXT_robustness") != 0)
-    {
-        getGraphicsResetStatus = &glGetGraphicsResetStatusNULL;
-        getnUniformfv          = &glGetnUniformfvNULL;
-        getnUniformiv          = &glGetnUniformivNULL;
-        readnPixels            = &glReadnPixelsNULL;
-    }
-
-    if (extensions.count("GL_EXT_tessellation_shader") != 0)
-    {
-        patchParameteri = &glPatchParameteriNULL;
-    }
-
-    if (extensions.count("GL_EXT_texture_border_clamp") != 0)
-    {
-        getSamplerParameterIiv  = &glGetSamplerParameterIivNULL;
-        getSamplerParameterIuiv = &glGetSamplerParameterIuivNULL;
-        getTexParameterIiv      = &glGetTexParameterIivNULL;
-        getTexParameterIuiv     = &glGetTexParameterIuivNULL;
-        samplerParameterIiv     = &glSamplerParameterIivNULL;
-        samplerParameterIuiv    = &glSamplerParameterIuivNULL;
-        texParameterIiv         = &glTexParameterIivNULL;
-        texParameterIuiv        = &glTexParameterIuivNULL;
-    }
-
-    if (extensions.count("GL_EXT_texture_buffer") != 0)
-    {
-        texBuffer         = &glTexBufferNULL;
-        texBufferEXT      = &glTexBufferEXTNULL;
-        texBufferRange    = &glTexBufferRangeNULL;
-        texBufferRangeEXT = &glTexBufferRangeEXTNULL;
-    }
-
-    if (extensions.count("GL_EXT_texture_storage") != 0)
-    {
-        texStorage1D     = &glTexStorage1DNULL;
-        texStorage2D     = &glTexStorage2DNULL;
-        texStorage3D     = &glTexStorage3DNULL;
-        textureStorage1D = &glTextureStorage1DNULL;
-        textureStorage2D = &glTextureStorage2DNULL;
-        textureStorage3D = &glTextureStorage3DNULL;
-    }
-
-    if (extensions.count("GL_EXT_texture_view") != 0)
-    {
-        textureView = &glTextureViewNULL;
-    }
-
-    if (extensions.count("GL_KHR_debug") != 0)
-    {
-        debugMessageCallback = &glDebugMessageCallbackNULL;
-        debugMessageControl  = &glDebugMessageControlNULL;
-        debugMessageInsert   = &glDebugMessageInsertNULL;
-        getDebugMessageLog   = &glGetDebugMessageLogNULL;
-        getObjectLabel       = &glGetObjectLabelNULL;
-        getObjectPtrLabel    = &glGetObjectPtrLabelNULL;
-        getPointerv          = &glGetPointervNULL;
-        objectLabel          = &glObjectLabelNULL;
-        objectPtrLabel       = &glObjectPtrLabelNULL;
-        popDebugGroup        = &glPopDebugGroupNULL;
-        pushDebugGroup       = &glPushDebugGroupNULL;
-    }
-
-    if (extensions.count("GL_KHR_robustness") != 0)
-    {
-        getGraphicsResetStatus = &glGetGraphicsResetStatusNULL;
-        getnUniformfv          = &glGetnUniformfvNULL;
-        getnUniformiv          = &glGetnUniformivNULL;
-        getnUniformuiv         = &glGetnUniformuivNULL;
-        readnPixels            = &glReadnPixelsNULL;
-    }
-
-    if (extensions.count("GL_NV_framebuffer_blit") != 0)
-    {
-        blitFramebufferNV = &glBlitFramebufferNVNULL;
-    }
-
-    if (extensions.count("GL_OES_EGL_image") != 0)
-    {
-        eGLImageTargetRenderbufferStorageOES = &glEGLImageTargetRenderbufferStorageOESNULL;
-        eGLImageTargetTexture2DOES           = &glEGLImageTargetTexture2DOESNULL;
-    }
-
-    if (extensions.count("GL_OES_copy_image") != 0)
-    {
-        copyImageSubData = &glCopyImageSubDataNULL;
-    }
-
-    if (extensions.count("GL_OES_draw_buffers_indexed") != 0)
-    {
-        blendEquationSeparatei = &glBlendEquationSeparateiNULL;
-        blendEquationi         = &glBlendEquationiNULL;
-        blendFuncSeparatei     = &glBlendFuncSeparateiNULL;
-        blendFunci             = &glBlendFunciNULL;
-        colorMaski             = &glColorMaskiNULL;
-        disablei               = &glDisableiNULL;
-        enablei                = &glEnableiNULL;
-        isEnabledi             = &glIsEnablediNULL;
-    }
-
-    if (extensions.count("GL_OES_draw_elements_base_vertex") != 0)
-    {
-        drawElementsBaseVertex          = &glDrawElementsBaseVertexNULL;
-        drawElementsInstancedBaseVertex = &glDrawElementsInstancedBaseVertexNULL;
-        drawRangeElementsBaseVertex     = &glDrawRangeElementsBaseVertexNULL;
-        multiDrawElementsBaseVertex     = &glMultiDrawElementsBaseVertexNULL;
-    }
-
-    if (extensions.count("GL_OES_geometry_shader") != 0)
-    {
-        framebufferTexture = &glFramebufferTextureNULL;
-    }
-
-    if (extensions.count("GL_OES_get_program_binary") != 0)
-    {
-        getProgramBinary = &glGetProgramBinaryNULL;
-        programBinary    = &glProgramBinaryNULL;
-    }
-
-    if (extensions.count("GL_OES_mapbuffer") != 0)
-    {
-        getBufferPointerv = &glGetBufferPointervNULL;
-        mapBuffer         = &glMapBufferNULL;
-        unmapBuffer       = &glUnmapBufferNULL;
-    }
-
-    if (extensions.count("GL_OES_primitive_bounding_box") != 0)
-    {
-        primitiveBoundingBox = &glPrimitiveBoundingBoxNULL;
-    }
-
-    if (extensions.count("GL_OES_sample_shading") != 0)
-    {
-        minSampleShading = &glMinSampleShadingNULL;
-    }
-
-    if (extensions.count("GL_OES_tessellation_shader") != 0)
-    {
-        patchParameteri = &glPatchParameteriNULL;
-    }
-
-    if (extensions.count("GL_OES_texture_3D") != 0)
-    {
-        compressedTexImage3D    = &glCompressedTexImage3DNULL;
-        compressedTexSubImage3D = &glCompressedTexSubImage3DNULL;
-        copyTexSubImage3D       = &glCopyTexSubImage3DNULL;
-        framebufferTexture3D    = &glFramebufferTexture3DNULL;
-        texImage3D              = &glTexImage3DNULL;
-        texSubImage3D           = &glTexSubImage3DNULL;
-    }
-
-    if (extensions.count("GL_OES_texture_border_clamp") != 0)
-    {
-        getSamplerParameterIiv  = &glGetSamplerParameterIivNULL;
-        getSamplerParameterIuiv = &glGetSamplerParameterIuivNULL;
-        getTexParameterIiv      = &glGetTexParameterIivNULL;
-        getTexParameterIuiv     = &glGetTexParameterIuivNULL;
-        samplerParameterIiv     = &glSamplerParameterIivNULL;
-        samplerParameterIuiv    = &glSamplerParameterIuivNULL;
-        texParameterIiv         = &glTexParameterIivNULL;
-        texParameterIuiv        = &glTexParameterIuivNULL;
-    }
-
-    if (extensions.count("GL_OES_texture_buffer") != 0)
-    {
-        texBuffer         = &glTexBufferNULL;
-        texBufferOES      = &glTexBufferOESNULL;
-        texBufferRange    = &glTexBufferRangeNULL;
-        texBufferRangeOES = &glTexBufferRangeOESNULL;
-    }
-
-    if (extensions.count("GL_OES_texture_storage_multisample_2d_array") != 0)
-    {
-        texStorage3DMultisample = &glTexStorage3DMultisampleNULL;
-    }
-
-    if (extensions.count("GL_OES_texture_view") != 0)
-    {
-        textureView = &glTextureViewNULL;
-    }
-
-    if (extensions.count("GL_OES_vertex_array_object") != 0)
-    {
-        bindVertexArray    = &glBindVertexArrayNULL;
-        deleteVertexArrays = &glDeleteVertexArraysNULL;
-        genVertexArrays    = &glGenVertexArraysNULL;
-        isVertexArray      = &glIsVertexArrayNULL;
-    }
-
-    if (extensions.count("GL_OES_viewport_array") != 0)
-    {
-        disablei          = &glDisableiNULL;
-        enablei           = &glEnableiNULL;
-        getFloati_v       = &glGetFloati_vNULL;
-        isEnabledi        = &glIsEnablediNULL;
-        scissorArrayv     = &glScissorArrayvNULL;
-        scissorIndexed    = &glScissorIndexedNULL;
-        scissorIndexedv   = &glScissorIndexedvNULL;
-        viewportArrayv    = &glViewportArrayvNULL;
-        viewportIndexedf  = &glViewportIndexedfNULL;
-        viewportIndexedfv = &glViewportIndexedfvNULL;
-    }
 }
 
 void DispatchTableGL::initProcsSharedExtensionsNULL(const std::set<std::string> &extensions)
diff --git a/src/libANGLE/renderer/gl/generate_gl_dispatch_table.py b/src/libANGLE/renderer/gl/generate_gl_dispatch_table.py
index 6436d8956..2d57cd36d 100644
--- a/src/libANGLE/renderer/gl/generate_gl_dispatch_table.py
+++ b/src/libANGLE/renderer/gl/generate_gl_dispatch_table.py
@@ -112,8 +112,7 @@ dispatch_table_source_template = """// GENERATED FILE - DO NOT EDIT.
 #include "libANGLE/renderer/gl/null_functions.h"
 #endif  // defined(ANGLE_ENABLE_OPENGL_NULL)
 
-// Check for nullptr so extensions do not overwrite core imports.
-#define ASSIGN(NAME, FP) if (!FP) FP = reinterpret_cast<decltype(FP)>(loadProcAddress(NAME))
+#define ASSIGN(NAME, FP) do {{ FP = reinterpret_cast<decltype(FP)>(loadProcAddress(NAME)); }} while (0)
 
 namespace rx
 {{
@@ -122,17 +121,17 @@ DispatchTableGL::DispatchTableGL() = default;
 void DispatchTableGL::initProcsDesktopGL(const gl::Version &version, const std::set<std::string> &extensions)
 {{
 #if defined(ANGLE_ENABLE_OPENGL_DESKTOP)
-{gl_data}
-
 {gl_extensions_data}
+
+{gl_data}
 #endif  // defined(ANGLE_ENABLE_OPENGL_DESKTOP)
 }}
 
 void DispatchTableGL::initProcsGLES(const gl::Version &version, const std::set<std::string> &extensions)
 {{
-{gles2_data}
-
 {gles2_extensions_data}
+
+{gles2_data}
 }}
 
 void DispatchTableGL::initProcsSharedExtensions(const std::set<std::string> &extensions)
@@ -144,17 +143,17 @@ void DispatchTableGL::initProcsSharedExtensions(const std::set<std::string> &ext
 void DispatchTableGL::initProcsDesktopGLNULL(const gl::Version &version, const std::set<std::string> &extensions)
 {{
 #if defined(ANGLE_ENABLE_OPENGL_DESKTOP)
-{gl_null_data}
-
 {gl_null_extensions_data}
+
+{gl_null_data}
 #endif  // defined(ANGLE_ENABLE_OPENGL_DESKTOP)
 }}
 
 void DispatchTableGL::initProcsGLESNULL(const gl::Version &version, const std::set<std::string> &extensions)
 {{
-{gles2_null_data}
-
 {gles2_null_extensions_data}
+
+{gles2_null_data}
 }}
 
 void DispatchTableGL::initProcsSharedExtensionsNULL(const std::set<std::string> &extensions)