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- Fix r_overBrightBits variable getting ignored on Linux

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- Replaced SDL_SetGamma by SDL_SetGammaRamp with gamma behaviour now matching win_gamma.c
This commit is contained in:
Thilo Schulz 2006-04-30 13:50:13 +00:00
parent 75eb99b716
commit 82c4c70535
1 changed files with 32 additions and 7 deletions
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35
code/unix/sdl_glimp.c
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@ -438,15 +438,35 @@ void IN_DeactivateMouse( void )
*/
void GLimp_SetGamma( unsigned char red[256], unsigned char green[256], unsigned char blue[256] )
{
// NOTE TTimo we get the gamma value from cvar, because we can't work with the s_gammatable
// the API wasn't changed to avoid breaking other OSes
float g;
Uint16 table[3][256];
int i, j;
// float g;
if(r_ignorehwgamma->integer)
return;
g = Cvar_Get("r_gamma", "1.0", 0)->value;
SDL_SetGamma(g, g, g);
// taken from win_gamma.c:
for (i = 0; i < 256; i++)
{
table[0][i] = ( ( ( Uint16 ) red[i] ) << 8 ) | red[i];
table[1][i] = ( ( ( Uint16 ) green[i] ) << 8 ) | green[i];
table[2][i] = ( ( ( Uint16 ) blue[i] ) << 8 ) | blue[i];
}
// enforce constantly increasing
for (j = 0; j < 3; j++)
{
for (i = 1; i < 256; i++)
{
if (table[j][i] < table[j][i-1])
table[j][i] = table[j][i-1];
}
}
SDL_SetGammaRamp(table[0], table[1], table[2]);
// g = Cvar_Get("r_gamma", "1.0", 0)->value;
// SDL_SetGamma(g, g, g);
}
/*
@ -553,7 +573,12 @@ static int GLW_SetMode( const char *drivername, int mode, qboolean fullscreen )
Uint32 flags = SDL_OPENGL;
if (fullscreen)
{
flags |= SDL_FULLSCREEN;
glConfig.isFullscreen = qtrue;
}
else
glConfig.isFullscreen = qfalse;
if (!r_colorbits->value)
colorbits = 24;