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Allow hardware gamma, in theory

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This commit is contained in:
Tim Angus 2013-01-18 21:53:37 +00:00
parent 61ed67bd1a
commit 3105d62027
1 changed files with 3 additions and 9 deletions
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12
code/sdl/sdl_glimp.c
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@ -765,18 +765,12 @@ void GLimp_Init( void )
ri.Error( ERR_FATAL, "GLimp_Init() - could not load OpenGL subsystem" );
success:
// This values force the UI to disable driver selection
// These values force the UI to disable driver selection
glConfig.driverType = GLDRV_ICD;
glConfig.hardwareType = GLHW_GENERIC;
// FIXME No SDL_SetGamma in SDL2?
/*glConfig.deviceSupportsGamma = SDL_SetGamma( 1.0f, 1.0f, 1.0f ) >= 0;*/
// Mysteriously, if you use an NVidia graphics card and multiple monitors,
// SDL_SetGamma will incorrectly return false... the first time; ask
// again and you get the correct answer. This is a suspected driver bug, see
// http://bugzilla.icculus.org/show_bug.cgi?id=4316
/*glConfig.deviceSupportsGamma = SDL_SetGamma( 1.0f, 1.0f, 1.0f ) >= 0;*/
// Only using SDL_SetWindowBrightness to determine if hardware gamma is supported
glConfig.deviceSupportsGamma = SDL_SetWindowBrightness( SDL_window, 1.0f ) >= 0;
if ( -1 == r_ignorehwgamma->integer)
glConfig.deviceSupportsGamma = 1;