diff options
Diffstat (limited to 'src/mesa/drivers/glide/fxsetup.c')
| -rw-r--r-- | src/mesa/drivers/glide/fxsetup.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/mesa/drivers/glide/fxsetup.c b/src/mesa/drivers/glide/fxsetup.c index 9996499316..ce70b472d5 100644 --- a/src/mesa/drivers/glide/fxsetup.c +++ b/src/mesa/drivers/glide/fxsetup.c @@ -167,6 +167,9 @@ GLuint fxGetTexSetConfiguration(GLcontext *ctx, case GL_BLEND: envmode|=FX_UM_E0_BLEND; break; + case GL_ADD: + envmode|=FX_UM_E0_ADD; + break; default: /* do nothing */ break; @@ -213,6 +216,9 @@ GLuint fxGetTexSetConfiguration(GLcontext *ctx, case GL_BLEND: envmode|=FX_UM_E1_BLEND; break; + case GL_ADD: + envmode|=FX_UM_E1_ADD; + break; default: /* do nothing */ break; @@ -786,6 +792,57 @@ static void fxSetupTextureDoubleTMU(GLcontext *ctx) GR_COMBINE_OTHER_TEXTURE, FXFALSE); break; + + + case (FX_UM_E0_MODULATE | FX_UM_E1_ADD): /* Quake 3 Sky */ + { + GLboolean isalpha[FX_NUM_TMU]; + + if(ti0->baseLevelInternalFormat==GL_ALPHA) + isalpha[ti0->tmi.whichTMU]=GL_TRUE; + else + isalpha[ti0->tmi.whichTMU]=GL_FALSE; + + if(ti1->baseLevelInternalFormat==GL_ALPHA) + isalpha[ti1->tmi.whichTMU]=GL_TRUE; + else + isalpha[ti1->tmi.whichTMU]=GL_FALSE; + + if(isalpha[FX_TMU1]) + grTexCombine(GR_TMU1, + GR_COMBINE_FUNCTION_ZERO,GR_COMBINE_FACTOR_NONE, + GR_COMBINE_FUNCTION_LOCAL,GR_COMBINE_FACTOR_NONE, + FXTRUE,FXFALSE); + else + grTexCombine(GR_TMU1, + GR_COMBINE_FUNCTION_LOCAL,GR_COMBINE_FACTOR_NONE, + GR_COMBINE_FUNCTION_LOCAL,GR_COMBINE_FACTOR_NONE, + FXFALSE,FXFALSE); + + if(isalpha[FX_TMU0]) + grTexCombine(GR_TMU0, + GR_COMBINE_FUNCTION_SCALE_OTHER,GR_COMBINE_FACTOR_ONE, + GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL,GR_COMBINE_FACTOR_ONE, + FXFALSE,FXFALSE); + else + grTexCombine(GR_TMU0, + GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL,GR_COMBINE_FACTOR_ONE, + GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL,GR_COMBINE_FACTOR_ONE, + FXFALSE,FXFALSE); + + grColorCombine(GR_COMBINE_FUNCTION_SCALE_OTHER, + GR_COMBINE_FACTOR_LOCAL, + localc, + GR_COMBINE_OTHER_TEXTURE, + FXFALSE); + + grAlphaCombine(GR_COMBINE_FUNCTION_SCALE_OTHER, + GR_COMBINE_FACTOR_LOCAL, + locala, GR_COMBINE_OTHER_TEXTURE, + FXFALSE); + break; + } + } if (MESA_VERBOSE&VERBOSE_DRIVER) { |