extern cvar_t mod_q3shader_default_offsetmapping_bias;
extern cvar_t mod_q3shader_default_polygonoffset;
extern cvar_t mod_q3shader_default_polygonfactor;
+extern cvar_t mod_q3shader_force_addalpha;
void Mod_LoadQ3Shaders(void)
{
int j;
layer->blendfunc[0] = GL_ONE;
layer->blendfunc[1] = GL_ONE;
}
+ else if (!strcasecmp(parameter[1], "addalpha"))
+ {
+ layer->blendfunc[0] = GL_SRC_ALPHA;
+ layer->blendfunc[1] = GL_ONE;
+ }
else if (!strcasecmp(parameter[1], "filter"))
{
layer->blendfunc[0] = GL_DST_COLOR;
else if (!strcasecmp(parameter[k+1], "GL_DST_COLOR"))
layer->blendfunc[k] = GL_DST_COLOR;
else if (!strcasecmp(parameter[k+1], "GL_DST_ALPHA"))
- layer->blendfunc[k] = GL_ONE_MINUS_DST_ALPHA;
+ layer->blendfunc[k] = GL_DST_ALPHA;
else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_COLOR"))
layer->blendfunc[k] = GL_ONE_MINUS_SRC_COLOR;
else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_ALPHA"))
shader.textureblendalpha = true;
}
}
-#if 1
- // LordHavoc: use this code until divVerent is able to fix the other code
- layer->texflags = TEXF_ALPHA;
-#else
+
+ if(mod_q3shader_force_addalpha.integer)
+ {
+ // for a long while, DP treated GL_ONE GL_ONE as GL_SRC_ALPHA GL_ONE
+ // this cvar brings back this behaviour
+ if(layer->blendfunc[0] == GL_ONE && layer->blendfunc[1] == GL_ONE)
+ layer->blendfunc[0] = GL_SRC_ALPHA;
+ }
+
layer->texflags = 0;
if (layer->alphatest)
layer->texflags |= TEXF_ALPHA;
layer->texflags |= TEXF_ALPHA;
break;
}
-
- // nasty hack because DP treats this the same as GL_SRC_ALPHA GL_ONE
- if(layer->blendfunc[0] == GL_ONE && layer->blendfunc[1] == GL_ONE)
- layer->texflags |= TEXF_ALPHA;
-#endif
-
if (!(shader.surfaceparms & Q3SURFACEPARM_NOMIPMAPS))
layer->texflags |= TEXF_MIPMAP;
if (!(shader.textureflags & Q3TEXTUREFLAG_NOPICMIP))