qf/quakeforge
0
0
Fork 0
mirror of https://git.code.sf.net/p/quake/quakeforge synced 2025-02-20 10:43:29 +00:00
Code Issues Projects Releases Packages Wiki Activity

move GL_CheckBrightness into vid_common_gl.c

Browse source
This commit is contained in:
Bill Currie 2001-04-15 21:19:05 +00:00
parent 6fcf8395ca
commit 0b5b3b03a4
2 changed files with 45 additions and 46 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

45
libs/video/targets/vid_common_gl.c
View file

@ -62,6 +62,7 @@ unsigned int d_8to24table[256];
unsigned char d_15to8table[65536];
cvar_t *vid_mode;
cvar_t *brighten;
extern byte gammatable[256];
QF_glActiveTextureARB qglActiveTexture = NULL;
@ -377,6 +378,50 @@ VID_Init8bitPalette (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, NULL,
"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]];
}
}
void
VID_LockBuffer (void)
{

46
qw/source/gl_rmain.c
View file

@ -134,8 +134,6 @@ cvar_t *gl_skymultipass;
cvar_t *gl_sky_clip;
cvar_t *gl_sky_divide;
cvar_t *brighten;
extern cvar_t *scr_fov;
extern byte gammatable[256];
@ -147,50 +145,6 @@ 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, NULL,
"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