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Reduce ifs a bit, clean up init a bit. Minor problem with gl_doublebright. LIH.

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This commit is contained in:
Ragnvald Maartmann-Moe IV 2004-02-29 01:49:41 +00:00
parent e29e469646
commit fde6e5bf61
2 changed files with 59 additions and 72 deletions
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119
libs/video/renderer/gl/gl_lightmap.c
View file

@ -75,6 +75,8 @@ qboolean lightmap_modified[MAX_GLTEXTURES];
glpoly_t *lightmap_polys[MAX_LIGHTMAPS];
glRect_t lightmap_rectchange[MAX_LIGHTMAPS];
static int lshift, lshift2;
void (*R_BuildLightMap) (msurface_t *surf);
@ -290,31 +292,20 @@ R_BuildLightMap_1 (msurface_t *surf)
dest = lightmaps[surf->lightmaptexturenum]
+ (surf->light_t * BLOCK_WIDTH + surf->light_s) * lightmap_bytes;
switch (gl_overbright->int_val) {
case 2:
if (lshift2) {
for (i = 0; i < tmax; i++, dest += stride) {
for (j = smax; j; j--) {
*dest++ = min (*bl >> 9, 255);
*dest++ = min ((*bl >> lshift) + (*bl >> lshift2), 255);
bl++;
}
}
break;
case 1:
} else {
for (i = 0; i < tmax; i++, dest += stride) {
for (j = smax; j; j--) {
*dest++ = min ((*bl >> 9) + (*bl >> 10), 255);
*dest++ = min (*bl >> lshift, 255);
bl++;
}
}
break;
default:
for (i = 0; i < tmax; i++, dest += stride) {
for (j = smax; j; j--) {
*dest++ = min (*bl >> 8, 255);
bl++;
}
}
break;
}
}
@ -371,43 +362,28 @@ R_BuildLightMap_3 (msurface_t *surf)
dest = lightmaps[surf->lightmaptexturenum]
+ (surf->light_t * BLOCK_WIDTH + surf->light_s) * lightmap_bytes;
switch (gl_overbright->int_val) {
case 2:
if (lshift2) {
for (i = 0; i < tmax; i++, dest += stride) {
for (j = 0; j < smax; j++) {
*dest++ = min (*bl >> 9, 255);
*dest++ = min ((*bl >> lshift) + (*bl >> lshift2), 255);
bl++;
*dest++ = min (*bl >> 9, 255);
*dest++ = min ((*bl >> lshift) + (*bl >> lshift2), 255);
bl++;
*dest++ = min (*bl >> 9, 255);
*dest++ = min ((*bl >> lshift) + (*bl >> lshift2), 255);
bl++;
}
}
break;
case 1:
} else {
for (i = 0; i < tmax; i++, dest += stride) {
for (j = 0; j < smax; j++) {
*dest++ = min ((*bl >> 9) + (*bl >> 10), 255);
*dest++ = min (*bl >> lshift, 255);
bl++;
*dest++ = min ((*bl >> 9) + (*bl >> 10), 255);
*dest++ = min (*bl >> lshift, 255);
bl++;
*dest++ = min ((*bl >> 9) + (*bl >> 10), 255);
*dest++ = min (*bl >> lshift, 255);
bl++;
}
}
break;
default:
for (i = 0; i < tmax; i++, dest += stride) {
for (j = 0; j < smax; j++) {
*dest++ = min (*bl >> 8, 255);
bl++;
*dest++ = min (*bl >> 8, 255);
bl++;
*dest++ = min (*bl >> 8, 255);
bl++;
}
}
break;
}
}
@ -464,46 +440,30 @@ R_BuildLightMap_4 (msurface_t *surf)
dest = lightmaps[surf->lightmaptexturenum]
+ (surf->light_t * BLOCK_WIDTH + surf->light_s) * lightmap_bytes;
switch (gl_overbright->int_val) {
case 2:
if (lshift2) {
for (i = 0; i < tmax; i++, dest += stride) {
for (j = 0; j < smax; j++) {
*dest++ = min (*bl >> 9, 255);
*dest++ = min ((*bl >> lshift) + (*bl >> lshift2), 255);
bl++;
*dest++ = min (*bl >> 9, 255);
*dest++ = min ((*bl >> lshift) + (*bl >> lshift2), 255);
bl++;
*dest++ = min (*bl >> 9, 255);
*dest++ = min ((*bl >> lshift) + (*bl >> lshift2), 255);
bl++;
*dest++ = 255;
}
}
break;
case 1:
} else {
for (i = 0; i < tmax; i++, dest += stride) {
for (j = 0; j < smax; j++) {
*dest++ = min ((*bl >> 9) + (*bl >> 10), 255);
*dest++ = min (*bl >> lshift, 255);
bl++;
*dest++ = min ((*bl >> 9) + (*bl >> 10), 255);
*dest++ = min (*bl >> lshift, 255);
bl++;
*dest++ = min ((*bl >> 9) + (*bl >> 10), 255);
*dest++ = min (*bl >> lshift, 255);
bl++;
*dest++ = 255;
}
}
break;
default:
for (i = 0; i < tmax; i++, dest += stride) {
for (j = 0; j < smax; j++) {
*dest++ = min (*bl >> 8, 255);
bl++;
*dest++ = min (*bl >> 8, 255);
bl++;
*dest++ = min (*bl >> 8, 255);
bl++;
*dest++ = 255;
}
}
break;
}
}
@ -563,11 +523,7 @@ R_BlendLightmaps (void)
glpoly_t *p;
qfglDepthMask (GL_FALSE); // don't bother writing Z
if (gl_doublebright->int_val)
qfglBlendFunc (GL_DST_COLOR, GL_SRC_COLOR);
else
qfglBlendFunc (GL_ZERO, GL_SRC_COLOR);
qfglBlendFunc (lm_src_blend, lm_dest_blend);
for (i = 0; i < MAX_LIGHTMAPS; i++) {
p = lightmap_polys[i];
@ -597,9 +553,33 @@ gl_overbright_f (cvar_t *var)
model_t *m;
msurface_t *fa;
if (!var)
return;
if (R_BuildLightMap == 0)
return;
switch (var->int_val) {
case 2:
lshift = 8;
lshift2 = 0;
break;
case 1:
lshift = 8;
lshift2 = 9;
break;
default:
lshift = 7;
lshift2 = 0;
break;
}
if (gl_doublebright) {
if (gl_doublebright->int_val) {
lshift++;
if (lshift2)
lshift2++;
}
}
for (i = 0; i < r_numvisedicts; i++) {
m = r_visedicts[i]->model;
@ -648,10 +628,7 @@ R_CalcAndBlendLightmaps (void)
glpoly_t *p;
qfglDepthMask (GL_FALSE); // don't bother writing Z
if (gl_doublebright->int_val)
qfglBlendFunc (GL_DST_COLOR, GL_SRC_COLOR);
else
qfglBlendFunc (GL_ZERO, GL_SRC_COLOR);
qfglBlendFunc (lm_src_blend, lm_dest_blend);
for (i = 0; i < MAX_LIGHTMAPS; i++) {
p = lightmap_polys[i];

12
libs/video/targets/vid_common_gl.c
View file

@ -95,6 +95,7 @@ qboolean gl_mtex_fullbright = false;
// Combine
qboolean gl_combine_capable = false;
int lm_src_blend, lm_dest_blend;
QF_glColorTableEXT qglColorTableEXT = NULL;
qboolean is8bit = false;
@ -142,10 +143,19 @@ gl_doublebright_f (cvar_t *var)
return;
if (var->int_val) {
if (!gl_combine_capable && gl_mtex_capable)
if (!gl_combine_capable && gl_mtex_capable) {
Con_Printf ("Warning: gl_doublebright has no effect with "
"gl_multitexture enabled if you don't have "
"GL_COMBINE_ARB support in your driver.\n");
lm_src_blend = GL_ZERO;
lm_dest_blend = GL_SRC_COLOR;
} else {
lm_src_blend = GL_DST_COLOR;
lm_dest_blend = GL_SRC_COLOR;
}
} else {
lm_src_blend = GL_ZERO;
lm_dest_blend = GL_SRC_COLOR;
}
}