Mesa (master): r600: implement DP2 opcode

[Andre Maasikas]

Module: Mesa
Branch: master
Commit: c17d5de593fbfee91b799894b1c1a8a37a6a9c95
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c17d5de593fbfee91b799894b1c1a8a37a6a9c95

Author: Andre Maasikas <amaasikas at gmail.com>
Date:   Wed Aug 18 11:57:28 2010 +0300

r600: implement DP2 opcode

---

 src/mesa/drivers/dri/r600/r700_assembler.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r700_assembler.c b/src/mesa/drivers/dri/r600/r700_assembler.c
index 94bc261..4902f76 100644
--- a/src/mesa/drivers/dri/r600/r700_assembler.c
+++ b/src/mesa/drivers/dri/r600/r700_assembler.c
@@ -3017,7 +3017,14 @@ GLboolean assemble_DOT(r700_AssemblerBase *pAsm)
         return GL_FALSE;
     }
 
-    if(OPCODE_DP3 == pAsm->pILInst[pAsm->uiCurInst].Opcode)
+    if(OPCODE_DP2 == pAsm->pILInst[pAsm->uiCurInst].Opcode)
+    {
+       zerocomp_PVSSRC(&(pAsm->S[0].src),2);
+       zerocomp_PVSSRC(&(pAsm->S[0].src),3);
+       zerocomp_PVSSRC(&(pAsm->S[1].src),2);
+       zerocomp_PVSSRC(&(pAsm->S[1].src),3);
+    }
+    else if(OPCODE_DP3 == pAsm->pILInst[pAsm->uiCurInst].Opcode)
     {
         zerocomp_PVSSRC(&(pAsm->S[0].src), 3);
         zerocomp_PVSSRC(&(pAsm->S[1].src), 3);
@@ -5694,6 +5701,7 @@ GLboolean AssembleInstr(GLuint uiFirstInst,
                 return GL_FALSE;
             break;  
 
+        case OPCODE_DP2:
         case OPCODE_DP3: 
         case OPCODE_DP4: 
         case OPCODE_DPH: 
@@ -6019,7 +6027,7 @@ GLboolean AssembleInstr(GLuint uiFirstInst,
             return GL_TRUE;
 
         default:
-            radeon_error("internal: unknown instruction\n");
+            radeon_error("r600: unknown instruction %d\n", pILInst[i].Opcode);
             return GL_FALSE;
         }
     }