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https://bitbucket.org/CPMADevs/cnq3
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fixed OpenGL version checks and FBO support checks
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parent
2dcddc87eb
commit
cb0ef3aab8
3 changed files with 16 additions and 16 deletions
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@ -507,11 +507,8 @@ static qbool GL2_FBO_CreateMS( FrameBuffer& fb )
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static qbool GL2_FBO_Init()
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{
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const int msaa = r_msaa->integer;
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const qbool validOption = msaa >= 2 && msaa <= 16;
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const qbool enable = validOption && GLEW_VERSION_3_0;
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const qbool enable = msaa >= 2 && msaa <= 16;
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frameBufferMultiSampling = enable;
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if ( validOption && !enable )
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ri.Printf( PRINT_WARNING, "MSAA requested but disabled because your OpenGL version doesn't support it\n" );
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if ( !enable )
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return GL2_FBO_CreateSS( frameBuffersPostProcess[0], qtrue ) &&
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@ -1482,9 +1479,6 @@ static void InitGLInfo()
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static void InitExtensions()
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{
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if ( !GLEW_VERSION_2_0 )
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ri.Error( ERR_FATAL, "OpenGL 2.0 required!\n" );
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GL2_Init();
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}
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@ -1550,6 +1544,10 @@ static qbool GAL_Init()
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{
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// the order of these calls can not be changed
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Sys_V_Init( GAL_GL2 );
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if ( !GLEW_VERSION_2_0 )
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ri.Error( ERR_FATAL, "OpenGL 2.0 required!\n" );
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if ( !GLEW_VERSION_3_0 && !GLEW_ARB_framebuffer_object )
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ri.Error( ERR_FATAL, "Need at least OpenGL 3.0 or GL_ARB_framebuffer_object\n" );
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InitGLConfig();
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InitGLInfo();
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InitExtensions();
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@ -1937,6 +1937,10 @@ static qbool GAL_Init()
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{
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// the order of these calls can not be changed
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Sys_V_Init(GAL_GL3);
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if(!GLEW_VERSION_3_2)
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{
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ri.Error(ERR_FATAL, "OpenGL 3.2 is required by the selected back-end!\n");
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}
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InitGLConfig();
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InitGLInfo();
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Init();
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@ -1945,11 +1949,6 @@ static qbool GAL_Init()
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r_swapInterval->modified = qtrue;
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}
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if(!GLEW_VERSION_3_2)
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{
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ri.Error(ERR_FATAL, "OpenGL 3.2 is required by the selected back-end!\n");
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}
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SetDefaultState();
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const int err = glGetError();
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@ -296,10 +296,13 @@ static int GLW_MakeContext( PIXELFORMATDESCRIPTOR *pPFD )
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}
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ri.Printf( PRINT_DEVELOPER, "...GL context creation made current\n" );
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PFNWGLCREATECONTEXTATTRIBSARBPROC const wglCreateContextAttribsARB =
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(PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress( "wglCreateContextAttribsARB" );
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if ( win_galId == GAL_GL3 && wglCreateContextAttribsARB )
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if ( win_galId == GAL_GL3 )
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{
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PFNWGLCREATECONTEXTATTRIBSARBPROC const wglCreateContextAttribsARB =
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(PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress( "wglCreateContextAttribsARB" );
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if( wglCreateContextAttribsARB == NULL )
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ri.Error( ERR_FATAL, "wglCreateContextAttribsARB not found: can't ask for core 3.2 context\n" );
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const int attribs[] =
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{
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WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
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@ -309,7 +312,7 @@ static int GLW_MakeContext( PIXELFORMATDESCRIPTOR *pPFD )
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0
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};
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const HGLRC hGLRC = wglCreateContextAttribsARB( glw_state.hDC, NULL, attribs );
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const HGLRC hGLRC = (*wglCreateContextAttribsARB)( glw_state.hDC, NULL, attribs );
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if ( hGLRC )
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{
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wglMakeCurrent( NULL, NULL );
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