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Gamma cleanups. Software gamma still doesn't work in GL.

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This commit is contained in:
Jeff Teunissen 2001-05-12 06:53:53 +00:00
parent 72d8bd6af7
commit bfc25fa462
6 changed files with 20 additions and 53 deletions
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17
source/gl_view.c
View file

@ -201,20 +201,3 @@ V_UpdatePalette (void)
V_CalcBlend ();
}
/*
BuildGammaTable
In software mode, this function gets the palette ready for changing...in
in GL, it does very little as you can see.
*/
void
BuildGammaTable (float b, float c)
{
int i;
for (i = 0; i < 256; i++)
gammatable[i] = i;
return;
}

7
source/r_view.c
View file

@ -80,8 +80,6 @@ extern int in_forward, in_forward2, in_back;
frame_t *view_frame;
player_state_t *view_message;
void BuildGammaTable (float, float);
/*
V_CalcRoll
*/
@ -732,8 +730,6 @@ V_Init (void)
Cmd_AddCommand ("bf", V_BonusFlash_f, "Background flash, used when you pick up an item");
Cmd_AddCommand ("centerview", V_StartPitchDrift, "Centers the player's view ahead after +lookup or +lookdown \n"
"Will not work while mlook is active or freelook is 1.");
BuildGammaTable (1.0, 1.0); // no gamma yet
}
void
@ -761,7 +757,4 @@ V_Init_Cvars (void)
v_kicktime = Cvar_Get ("v_kicktime", "0.5", CVAR_NONE, "How long the kick from an attack lasts");
v_kickroll = Cvar_Get ("v_kickroll", "0.6", CVAR_NONE, "How much you lean when hit");
v_kickpitch = Cvar_Get ("v_kickpitch", "0.6", CVAR_NONE, "How much you look up when hit");
brightness = Cvar_Get ("brightness", "1", CVAR_ARCHIVE, "Brightness level");
contrast = Cvar_Get ("contrast", "1", CVAR_ARCHIVE, "Contrast level");
}

28
source/sw_view.c
View file

@ -137,12 +137,9 @@ V_UpdatePalette (void)
basepal += 3;
for (j = 0; j < NUM_CSHIFTS; j++) {
r +=
(cl.cshifts[j].percent * (cl.cshifts[j].destcolor[0] - r)) >> 8;
g +=
(cl.cshifts[j].percent * (cl.cshifts[j].destcolor[1] - g)) >> 8;
b +=
(cl.cshifts[j].percent * (cl.cshifts[j].destcolor[2] - b)) >> 8;
r += (cl.cshifts[j].percent * (cl.cshifts[j].destcolor[0] - r)) >> 8;
g += (cl.cshifts[j].percent * (cl.cshifts[j].destcolor[1] - g)) >> 8;
b += (cl.cshifts[j].percent * (cl.cshifts[j].destcolor[2] - b)) >> 8;
}
newpal[0] = gammatable[r];
@ -152,22 +149,3 @@ V_UpdatePalette (void)
}
VID_ShiftPalette (pal);
}
void
BuildGammaTable (float b, float c)
{
int i, inf;
// int p = (int) c;
if ((b == 1.0) && (c == 1.0)) {
for (i = 0; i < 256; i++)
gammatable[i] = i;
return;
}
for (i = 0; i < 256; i++) { // weighted average toward the median, 127
inf = (i * b); // gamma is brightness now, and positive
inf = bound (0, inf, 255);
gammatable[i] = inf + (int) ((127 - inf) * (1 - c));
}
}

3
source/vid.c
View file

@ -170,7 +170,6 @@ VID_InitGamma (unsigned char *pal)
vid_gamma = Cvar_Get ("vid_gamma", va ("%f", gamma), CVAR_ARCHIVE,
"Gamma correction");
VID_UpdateGamma (vid_gamma);
VID_BuildGammaTable (vid_gamma->value);
VID_UpdateGamma (vid_gamma);
}

14
source/vid_common_gl.c
View file

@ -77,12 +77,24 @@ GLenum gl_mtex_enum = GL_TEXTURE0_ARB;
QF_glColorTableEXT qglColorTableEXT = NULL;
qboolean is8bit = false;
cvar_t *vid_use8bit;
cvar_t *brightness;
cvar_t *contrast;
extern int gl_filter_min, gl_filter_max;
/*-----------------------------------------------------------------------*/
void
GL_Common_Init_Cvars (void)
{
vid_use8bit = Cvar_Get ("vid_use8bit", "0", CVAR_ROM, "Use 8-bit shared palettes.");
brightness = Cvar_Get ("brightness", "1", CVAR_ARCHIVE, "Brightness level");
contrast = Cvar_Get ("contrast", "1", CVAR_ARCHIVE, "Contrast level");
gl_multitexture = Cvar_Get ("gl_multitexture", "0", CVAR_ARCHIVE, "Use multitexture when available");
}
/*
CheckMultiTextureExtensions
@ -198,6 +210,8 @@ VID_SetPalette (unsigned char *palette)
void
GL_Init_Common (void)
{
GL_Common_Init_Cvars ();
gl_vendor = glGetString (GL_VENDOR);
Con_Printf ("GL_VENDOR: %s\n", gl_vendor);
gl_renderer = glGetString (GL_RENDERER);

2
source/vid_glx.c
View file

@ -203,7 +203,7 @@ VID_Init (unsigned char *palette)
GL_Init ();
GL_CheckBrightness (palette);
// GL_CheckBrightness (palette);
VID_InitGamma (palette);
VID_SetPalette (palette);