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Rewrite ToGL in OpenGLES(Uncomplete)

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nillerusr
2021-11-21 01:38:59 +03:00
parent 76bfcf40ca
commit 4508c9c863
24 changed files with 829 additions and 1057 deletions
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77
appframework/sdlmgr.cpp
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@@ -57,7 +57,7 @@ COpenGLEntryPoints *gGL = NULL;
const int kBogusSwapInterval = INT_MAX;
#ifdef ANDROID
#if defined ANDROID || defined TOGLES
static void *l_gl4es = NULL;
static void *l_egl = NULL;
@@ -182,13 +182,16 @@ void CheckGLError( int line )
void *VoidFnPtrLookup_GlMgr(const char *fn, bool &okay, const bool bRequired, void *fallback)
{
void *retval = NULL;
#ifndef TOGLES // TODO(nillerusr): remove this hack
if ((!okay) && (!bRequired)) // always look up if required (so we get a complete list of crucial missing symbols).
return NULL;
#endif
// The SDL path would work on all these platforms, if we were using SDL there, too...
#ifdef ANDROID
#if defined ANDROID || defined TOGLES
// SDL does the right thing, so we never need to use tier0 in this case.
if( _glGetProcAddress )
retval = _glGetProcAddress(fn);
@@ -214,7 +217,12 @@ void *VoidFnPtrLookup_GlMgr(const char *fn, bool &okay, const bool bRequired, vo
// Note that a non-NULL response doesn't mean it's safe to call the function!
// You always have to check that the extension is supported;
// an implementation MAY return NULL in this case, but it doesn't have to (and doesn't, with the DRI drivers).
#ifdef TOGLES // TODO(nillerusr): remove this hack
okay = retval != NULL;
#else
okay = (okay && (retval != NULL));
#endif
if (bRequired && !okay)
{
// We can't continue execution, because one or more GL function pointers will be NULL.
@@ -499,7 +507,11 @@ InitReturnVal_t CSDLMgr::Init()
SDL_GL_SetAttribute( SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG );
}
#ifdef TOGLES
if (SDL_GL_LoadLibrary("libGLESv2.so") == -1)
#else
if (SDL_GL_LoadLibrary(NULL) == -1)
#endif
Error( "SDL_GL_LoadLibrary(NULL) failed: %s", SDL_GetError() );
#endif
}
@@ -568,7 +580,18 @@ InitReturnVal_t CSDLMgr::Init()
*(attCursor++) = (int) (key); \
*(attCursor++) = (int) (value);
#ifdef ANDROID
#ifdef TOGLES
l_egl = dlopen("libEGL.so", RTLD_LAZY);
if( l_egl )
_glGetProcAddress = (t_glGetProcAddress)dlsym(l_egl, "eglGetProcAddress");
SET_GL_ATTR(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SET_GL_ATTR(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SET_GL_ATTR(SDL_GL_CONTEXT_MINOR_VERSION, 0);
#elif ANDROID
bool m_bOGL = false;
l_egl = dlopen("libEGL.so", RTLD_LAZY);
@@ -619,7 +642,7 @@ InitReturnVal_t CSDLMgr::Init()
// GL entry points, but the game hasn't made a window yet. So it's time
// to make a window! We make a 640x480 one here, and later, when asked
// to really actually make a window, we just resize the one we built here.
if ( !CreateHiddenGameWindow( "", 640, 480 ) )
if ( !CreateHiddenGameWindow( "", 1280, 720 ) )
Error( "CreateGameWindow failed" );
SDL_HideWindow( m_Window );
@@ -653,7 +676,11 @@ void CSDLMgr::Shutdown()
SDLAPP_FUNC;
if (gGL && m_readFBO)
#ifdef TOGLES
gGL->glDeleteFramebuffers(1, &m_readFBO);
#else
gGL->glDeleteFramebuffersEXT(1, &m_readFBO);
#endif
m_readFBO = 0;
if ( m_Window )
@@ -794,7 +821,7 @@ bool CSDLMgr::CreateHiddenGameWindow( const char *pTitle, int width, int height
SDL_GL_MakeCurrent(m_Window, m_GLContext);
#ifdef ANDROID
#if defined ANDROID && !defined TOGLES
if( l_gl4es )
{
_glGetProcAddress = (t_glGetProcAddress)dlsym(l_gl4es, "gl4es_GetProcAddress" );
@@ -819,7 +846,9 @@ bool CSDLMgr::CreateHiddenGameWindow( const char *pTitle, int width, int height
// If we specified -gl_debug, make sure the extension string is present now.
if ( CommandLine()->FindParm( "-gl_debug" ) )
{
#ifndef TOGLES
Assert( V_strstr(pszString, "GL_ARB_debug_output") );
#endif
}
#endif // DBGFLAG_ASSERT
@@ -844,7 +873,11 @@ bool CSDLMgr::CreateHiddenGameWindow( const char *pTitle, int width, int height
DebugPrintf("\n");
}
#ifdef TOGLES
gGL->glGenFramebuffers(1, &m_readFBO);
#else
gGL->glGenFramebuffersEXT(1, &m_readFBO);
#endif
gGL->glViewport(0, 0, width, height); /* Reset The Current Viewport And Perspective Transformation */
gGL->glScissor(0, 0, width, height); /* Reset The Current Viewport And Perspective Transformation */
@@ -1191,6 +1224,17 @@ void CSDLMgr::ShowPixels( CShowPixelsParams *params )
// bind a quickie FBO to enclose the source texture
GLint myreadfb = 1000;
#ifdef TOGLES
glBindFramebuffer( GL_READ_FRAMEBUFFER, myreadfb);
CheckGLError( __LINE__ );
glBindFramebuffer( GL_DRAW_FRAMEBUFFER, 0); // to the default FB/backbuffer
CheckGLError( __LINE__ );
// attach source tex to source FB
glFramebufferTexture2D( GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, params->m_srcTexName, 0);
CheckGLError( __LINE__ );
#else
glBindFramebufferEXT( GL_READ_FRAMEBUFFER_EXT, myreadfb);
CheckGLError( __LINE__ );
@@ -1200,6 +1244,7 @@ void CSDLMgr::ShowPixels( CShowPixelsParams *params )
// attach source tex to source FB
glFramebufferTexture2DEXT( GL_READ_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, params->m_srcTexName, 0);
CheckGLError( __LINE__ );
#endif
// blit
@@ -1234,6 +1279,23 @@ void CSDLMgr::ShowPixels( CShowPixelsParams *params )
// go NEAREST if sizes match
GLenum filter = ( ((srcxmax-srcxmin)==(dstxmax-dstxmin)) && ((srcymax-srcymin)==(dstymax-dstymin)) ) ? GL_NEAREST : GL_LINEAR;
#ifdef TOGLES
glBlitFramebuffer(
/* src min and maxes xy xy */ srcxmin, srcymin, srcxmax,srcymax,
/* dst min and maxes xy xy */ dstxmin, dstymax, dstxmax,dstymin, // note yflip here
GL_COLOR_BUFFER_BIT, filter );
CheckGLError( __LINE__ );
// detach source tex
glFramebufferTexture2D( GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
CheckGLError( __LINE__ );
glBindFramebuffer( GL_READ_FRAMEBUFFER, 0);
CheckGLError( __LINE__ );
glBindFramebuffer( GL_DRAW_FRAMEBUFFER, 0); // to the default FB/backbuffer
CheckGLError( __LINE__ );
#else
glBlitFramebufferEXT(
/* src min and maxes xy xy */ srcxmin, srcymin, srcxmax,srcymax,
/* dst min and maxes xy xy */ dstxmin, dstymax, dstxmax,dstymin, // note yflip here
@@ -1249,6 +1311,7 @@ void CSDLMgr::ShowPixels( CShowPixelsParams *params )
glBindFramebufferEXT( GL_DRAW_FRAMEBUFFER_EXT, 0); // to the default FB/backbuffer
CheckGLError( __LINE__ );
#endif
}
else
@@ -1911,7 +1974,11 @@ void CSDLMgr::DecWindowRefCount()
if ( gGL && m_readFBO )
{
#ifdef TOGLES
gGL->glDeleteFramebuffers( 1, &m_readFBO );
#else
gGL->glDeleteFramebuffersEXT( 1, &m_readFBO );
#endif
}
m_readFBO = 0;