* Initial commit.

:)

compat/GLExt.cpp

@@ -0,0 +1,69 @@
+#include "GL.hpp"
+
+HWND GetHWND();
+extern LPCTSTR g_GameTitle;
+
+// this sucks... F* you Microsoft for making me do this hacky ass bullsh*t.
+
+PFNGLBINDBUFFERPROC p_glBindBuffer;
+PFNGLBUFFERDATAPROC p_glBufferData;
+PFNGLGENBUFFERSPROC p_glGenBuffers;
+PFNGLDELETEBUFFERSPROC p_glDeleteBuffers;
+
+// this is stupidly hacky
+typedef BOOL(WINAPI* PFNWGLSWAPINTERVALEXTPROC) (int interval);
+
+PFNWGLSWAPINTERVALEXTPROC p_wglSwapIntervalEXT;
+
+bool xglInitted()
+{
+	return p_glBindBuffer && p_glBufferData && p_glGenBuffers && p_glDeleteBuffers;
+}
+
+void xglInit()
+{
+	p_glBindBuffer = (PFNGLBINDBUFFERPROC)wglGetProcAddress("glBindBuffer");
+	p_glBufferData = (PFNGLBUFFERDATAPROC)wglGetProcAddress("glBufferData");
+	p_glGenBuffers = (PFNGLGENBUFFERSPROC)wglGetProcAddress("glGenBuffers");
+	p_glDeleteBuffers = (PFNGLDELETEBUFFERSPROC)wglGetProcAddress("glDeleteBuffers");
+
+	p_wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
+
+	if (!xglInitted())
+	{
+		MessageBox(GetHWND(), TEXT("Error initializing GL extensions. Update your graphics drivers!"), g_GameTitle, MB_OK);
+	}
+}
+
+void xglBindBuffer(GLenum target, GLuint buffer)
+{
+	p_glBindBuffer(target, buffer);
+}
+
+void xglBufferData(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage)
+{
+	p_glBufferData(target, size, data, usage);
+}
+
+void xglGenBuffers(GLsizei num, GLuint* buffers)
+{
+	p_glGenBuffers(num, buffers);
+}
+
+void xglDeleteBuffers(GLsizei num, GLuint* buffers)
+{
+	p_glDeleteBuffers(num, buffers);
+}
+
+void xglOrthof(GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat nearpl, GLfloat farpl)
+{
+	return glOrtho(GLdouble(left), GLdouble(right), GLdouble(bottom), GLfloat(top), GLdouble(nearpl), GLdouble(farpl));
+}
+
+void xglSwapIntervalEXT(int interval)
+{
+	if (!p_wglSwapIntervalEXT)
+		return;
+
+	p_wglSwapIntervalEXT(interval);
+}