1 files changed, 66 insertions, 8 deletions

diff --git a/src/mesa/drivers/dri/r600/r700_assembler.c b/src/mesa/drivers/dri/r600/r700_assembler.c
index e10b23b97f..0ff16b4ddd 100644
--- a/src/mesa/drivers/dri/r600/r700_assembler.c
+++ b/src/mesa/drivers/dri/r600/r700_assembler.c
@@ -891,6 +891,7 @@ GLboolean assemble_vfetch_instruction2(r700_AssemblerBase* pAsm,
                                        GLubyte             element,
                                        GLuint              _signed,
                                        GLboolean           normalize,
+                                       GLenum              format,
                                        VTX_FETCH_METHOD  * pFetchMethod)
 {
     GLuint client_size_inbyte;
@@ -939,10 +940,21 @@ GLboolean assemble_vfetch_instruction2(r700_AssemblerBase* pAsm,
 	vfetch_instruction_ptr->m_Word0.f.src_sel_x        = SQ_SEL_X;
 	vfetch_instruction_ptr->m_Word0.f.mega_fetch_count = mega_fetch_count;
 
-	vfetch_instruction_ptr->m_Word1.f.dst_sel_x        = (size < 1) ? SQ_SEL_0 : SQ_SEL_X;
-	vfetch_instruction_ptr->m_Word1.f.dst_sel_y        = (size < 2) ? SQ_SEL_0 : SQ_SEL_Y;
-	vfetch_instruction_ptr->m_Word1.f.dst_sel_z        = (size < 3) ? SQ_SEL_0 : SQ_SEL_Z;
-	vfetch_instruction_ptr->m_Word1.f.dst_sel_w        = (size < 4) ? SQ_SEL_1 : SQ_SEL_W;
+	if(format == GL_BGRA)
+	{
+		vfetch_instruction_ptr->m_Word1.f.dst_sel_x        = (size < 1) ? SQ_SEL_0 : SQ_SEL_Z;
+		vfetch_instruction_ptr->m_Word1.f.dst_sel_y        = (size < 2) ? SQ_SEL_0 : SQ_SEL_Y;
+		vfetch_instruction_ptr->m_Word1.f.dst_sel_z        = (size < 3) ? SQ_SEL_0 : SQ_SEL_X;
+		vfetch_instruction_ptr->m_Word1.f.dst_sel_w        = (size < 4) ? SQ_SEL_1 : SQ_SEL_W;
+	}
+	else
+	{
+		vfetch_instruction_ptr->m_Word1.f.dst_sel_x        = (size < 1) ? SQ_SEL_0 : SQ_SEL_X;
+		vfetch_instruction_ptr->m_Word1.f.dst_sel_y        = (size < 2) ? SQ_SEL_0 : SQ_SEL_Y;
+		vfetch_instruction_ptr->m_Word1.f.dst_sel_z        = (size < 3) ? SQ_SEL_0 : SQ_SEL_Z;
+		vfetch_instruction_ptr->m_Word1.f.dst_sel_w        = (size < 4) ? SQ_SEL_1 : SQ_SEL_W;
+
+	}
 
 	vfetch_instruction_ptr->m_Word1.f.use_const_fields = 1;
     vfetch_instruction_ptr->m_Word1.f.data_format      = data_format;
@@ -1262,7 +1274,15 @@ GLboolean assemble_src(r700_AssemblerBase *pAsm,
             }
 
             pAsm->S[fld].src.rtype = SRC_REG_CONSTANT;
-            pAsm->S[fld].src.reg   = pILInst->SrcReg[src].Index;
+            if(pILInst->SrcReg[src].Index < 0)
+            {
+                WARN_ONCE("Negative register offsets not supported yet!\n");
+                pAsm->S[fld].src.reg  = 0;
+            } 
+            else
+            {
+                pAsm->S[fld].src.reg = pILInst->SrcReg[src].Index;
+            }
             break;      
         case PROGRAM_INPUT:
             setaddrmode_PVSSRC(&(pAsm->S[fld].src), ADDR_ABSOLUTE); 
@@ -4377,7 +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;
@@ -4423,11 +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;
 }
 
@@ -5709,11 +5767,11 @@ GLboolean AssembleInstr(GLuint uiFirstInst,
                 return GL_FALSE;
             break;  
 
-        case OPCODE_IF   : 
+        case OPCODE_IF:
             {                
                 GLboolean bHasElse = GL_FALSE;
 
-                if(pILInst[pILInst[i].BranchTarget - 1].Opcode == OPCODE_ELSE)
+                if(pILInst[pILInst[i].BranchTarget].Opcode == OPCODE_ELSE)
                 {
                     bHasElse = GL_TRUE;
                 }