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Backport Cvar callbacks to newtree. Software gamma still doesn't work in

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GL, and I still don't know exactly why.
This commit is contained in:
Jeff Teunissen 2001-05-13 05:10:02 +00:00
parent 75089e506e
commit 272abade38
57 changed files with 420 additions and 447 deletions
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45
source/gl_rmain.c
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@ -134,7 +134,6 @@ cvar_t *brighten;
extern cvar_t *scr_fov;
extern byte gammatable[256];
extern qboolean lighthalf;
// LordHavoc: place for gl_rmain setup code
@ -143,50 +142,6 @@ glrmain_init (void)
{
}
/*
GL_CheckBrightness
This is something like the brightness cvar, except it hacks the palette
directly instead of brightening the screen afterward.
*/
void
GL_CheckBrightness (unsigned char *pal)
{
int i, inf;
float brightness;
brighten = Cvar_Get ("brighten", "1", CVAR_NONE,
"Palette hack equivalent to brightness");
if ((i = COM_CheckParm ("-brighten"))) {
brightness = atof (com_argv[i + 1]);
} else {
brightness = brighten->value;
}
brightness = bound (1, brightness, 5);
Cvar_SetValue (brighten, brightness);
Cvar_SetFlags (brighten, brighten->flags | CVAR_ROM);
// Build gamma table
if (brightness == 1.0) { // screw the math
for (i = 0; i < 256; i++) {
gammatable[i] = i;
}
} else {
for (i = 0; i < 256; i++) { // brighten up the palette
inf = (i * brightness);
inf = bound (0, inf, 255);
gammatable[i] = inf;
}
}
// correct the palette
for (i = 0; i < 768; i++) {
pal[i] = gammatable[pal[i]];
}
}
/*
R_CullBox