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Diffstat (limited to 'src/mesa/drivers/dri/r600/r700_assembler.c')
-rw-r--r--src/mesa/drivers/dri/r600/r700_assembler.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_assembler.c b/src/mesa/drivers/dri/r600/r700_assembler.c
index 1ff89e18ea..0ff16b4ddd 100644
--- a/src/mesa/drivers/dri/r600/r700_assembler.c
+++ b/src/mesa/drivers/dri/r600/r700_assembler.c
@@ -4397,7 +4397,10 @@ GLboolean assemble_TEX(r700_AssemblerBase *pAsm)
pAsm->D.dst.opcode = SQ_TEX_INST_SAMPLE_L;
break;
default:
- pAsm->D.dst.opcode = SQ_TEX_INST_SAMPLE;
+ if(pAsm->pILInst[pAsm->uiCurInst].TexShadow == 1)
+ pAsm->D.dst.opcode = SQ_TEX_INST_SAMPLE_C;
+ else
+ pAsm->D.dst.opcode = SQ_TEX_INST_SAMPLE;
}
pAsm->is_tex = GL_TRUE;
@@ -4443,11 +4446,46 @@ GLboolean assemble_TEX(r700_AssemblerBase *pAsm)
pAsm->S[0].src.swizzlew = SQ_SEL_Y;
}
+ if(pAsm->pILInst[pAsm->uiCurInst].TexShadow == 1)
+ {
+ /* compare value goes to w chan ? */
+ pAsm->S[0].src.swizzlew = SQ_SEL_Z;
+ }
+
if ( GL_FALSE == next_ins(pAsm) )
{
return GL_FALSE;
}
+ /* add ARB shadow ambient but clamp to 0..1 */
+ if(pAsm->pILInst[pAsm->uiCurInst].TexShadow == 1)
+ {
+ /* ADD_SAT dst, dst, ambient[texunit] */
+ pAsm->D.dst.opcode = SQ_OP2_INST_ADD;
+
+ if( GL_FALSE == assemble_dst(pAsm) )
+ {
+ return GL_FALSE;
+ }
+ pAsm->D2.dst2.SaturateMode = 1;
+
+ pAsm->S[0].src.rtype = pAsm->D.dst.rtype;
+ pAsm->S[0].src.reg = pAsm->D.dst.reg;
+ noswizzle_PVSSRC(&(pAsm->S[0].src));
+ noneg_PVSSRC(&(pAsm->S[0].src));
+
+ pAsm->S[1].src.rtype = SRC_REG_CONSTANT;
+ pAsm->S[1].src.reg = pAsm->shadow_regs[pAsm->pILInst[pAsm->uiCurInst].TexSrcUnit];
+ noswizzle_PVSSRC(&(pAsm->S[1].src));
+ noneg_PVSSRC(&(pAsm->S[1].src));
+
+ if( GL_FALSE == next_ins(pAsm) )
+ {
+ return GL_FALSE;
+ }
+
+ }
+
return GL_TRUE;
}