qbool GL_ExtensionSupported(const char *name)
qbool vid_supportrefreshrate
size_t VID_ListModes(vid_mode_t *modes, size_t maxcount)
void VID_Init(void)
Called at startup.
qbool VID_InitMode(const viddef_mode_t *mode)
allocates and opens an appropriate OpenGL context (and its window)
void * GL_GetProcAddress(const char *name)
void Sys_SDL_HandleEvents(void)
Perform Key_Event () callbacks until the input que is empty.
void VID_Shutdown(void)
Called at shutdown.
void VID_BuildJoyState(vid_joystate_t *joystate)