1.1 --- a/include/SDL_opengl_glext.h	Fri Mar 20 11:51:03 2015 -0400
     1.2 +++ b/include/SDL_opengl_glext.h	Fri Mar 06 16:03:40 2015 +0000
     1.3 @@ -2988,6 +2988,11 @@
     1.4  #define GL_ARB_framebuffer_sRGB 1
     1.5  #endif /* GL_ARB_framebuffer_sRGB */
     1.6  
     1.7 +#ifndef GL_KHR_context_flush_control
     1.8 +#define GL_CONTEXT_RELEASE_BEHAVIOR       0x82FB
     1.9 +#define GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH 0x82FC
    1.10 +#endif /* GL_KHR_context_flush_control */
    1.11 +
    1.12  #ifndef GL_ARB_geometry_shader4
    1.13  #define GL_ARB_geometry_shader4 1
    1.14  #define GL_LINES_ADJACENCY_ARB            0x000A