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gl_vidsdl.c: use SDL_SetGamma() instead of SDL's GammaRamps api. 

see: http://hg.libsdl.org/SDL/rev/3665bc284271
http://bugzilla.libsdl.org/show_bug.cgi?id=1979


git-svn-id: http://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@861 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
sezero 2013-07-24 07:00:44 +00:00
parent 6d340ff733
commit 5f205cb1f8
2 changed files with 29 additions and 1 deletions
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28
Quake/gl_vidsdl.c
View File

@ -104,6 +104,9 @@ cvar_t vid_gamma = {"gamma", "1", CVAR_ARCHIVE}; //johnfitz -- moved here from
//
//==========================================================================
#define USE_GAMMA_RAMPS 0
#if USE_GAMMA_RAMPS
static unsigned short vid_gamma_red[256];
static unsigned short vid_gamma_green[256];
static unsigned short vid_gamma_blue[256];
@ -111,6 +114,7 @@ static unsigned short vid_gamma_blue[256];
static unsigned short vid_sysgamma_red[256];
static unsigned short vid_sysgamma_green[256];
static unsigned short vid_sysgamma_blue[256];
#endif
static int vid_gammaworks;
@ -123,8 +127,20 @@ static void VID_Gamma_SetGamma (void)
{
if (draw_context && vid_gammaworks)
{
#if USE_GAMMA_RAMPS
if (SDL_SetGammaRamp(&vid_gamma_red[0], &vid_gamma_green[0], &vid_gamma_blue[0]) == -1)
Con_Printf ("VID_Gamma_SetGamma: failed on SDL_SetGammaRamp\n");
#else
float value;
if (vid_gamma.value > (1.0f / GAMMA_MAX))
value = 1.0f / vid_gamma.value;
else
value = GAMMA_MAX;
if (SDL_SetGamma(value,value,value) == -1)
Con_Printf ("VID_Gamma_SetGamma: failed on SDL_SetGamma\n");
#endif
}
}
@ -137,8 +153,13 @@ static void VID_Gamma_Restore (void)
{
if (draw_context && vid_gammaworks)
{
#if USE_GAMMA_RAMPS
if (SDL_SetGammaRamp(&vid_sysgamma_red[0], &vid_sysgamma_green[0], &vid_sysgamma_blue[0]) == -1)
Con_Printf ("VID_Gamma_Restore: failed on SDL_SetGammaRamp\n");
#else
if (SDL_SetGamma(1, 1, 1) == -1)
Con_Printf ("VID_Gamma_Restore: failed on SDL_SetGamma\n");
#endif
}
}
@ -159,6 +180,7 @@ VID_Gamma_f -- callback when the cvar changes
*/
static void VID_Gamma_f (cvar_t *var)
{
#if USE_GAMMA_RAMPS
int i;
for (i = 0; i < 256; i++)
@ -168,7 +190,7 @@ static void VID_Gamma_f (cvar_t *var)
vid_gamma_green[i] = vid_gamma_red[i];
vid_gamma_blue[i] = vid_gamma_red[i];
}
#endif
VID_Gamma_SetGamma ();
}
@ -181,7 +203,11 @@ static void VID_Gamma_Init (void)
{
vid_gammaworks = false;
#if USE_GAMMA_RAMPS
if (SDL_GetGammaRamp (&vid_sysgamma_red[0], &vid_sysgamma_green[0], &vid_sysgamma_blue[0]) != -1)
#else
if (SDL_SetGamma(1, 1, 1) != -1)
#endif
vid_gammaworks = true;
Cvar_RegisterVariable (&vid_gamma);

2
Quake/vid.h
View File

@ -28,6 +28,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#define VID_CBITS 6
#define VID_GRADES (1 << VID_CBITS)
#define GAMMA_MAX 3.0
// moved here for global use -- kristian
typedef enum { MS_UNINIT, MS_WINDOWED, MS_FULLSCREEN } modestate_t;