X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_mesa_to_tgsi.c;h=bd94c9d79e8054afff6a9bede8f014ed49b80dbb;hb=006a526edb0f5a67679309a867a1af22d94e1687;hp=70d7c4fee2e40bc67a6d94b1140d5ec9de2a9372;hpb=57e3eb1b178e861dee7695c9a5e1c71a4333192d;p=mesa.git

diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 70d7c4fee2e..bd94c9d79e8 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -278,7 +278,7 @@ static struct ureg_src swizzle_4v( struct ureg_src src,
 
 
 /**
- * Translate SWZ instructions into a single MAD.  EG:
+ * Translate a SWZ instruction into a MOV, MUL or MAD instruction.  EG:
  *
  *   SWZ dst, src.x-y10 
  * 
@@ -481,14 +481,6 @@ translate_opcode( unsigned op )
       return TGSI_OPCODE_MOV;
    case OPCODE_MUL:
       return TGSI_OPCODE_MUL;
-   case OPCODE_NOISE1:
-      return TGSI_OPCODE_NOISE1;
-   case OPCODE_NOISE2:
-      return TGSI_OPCODE_NOISE2;
-   case OPCODE_NOISE3:
-      return TGSI_OPCODE_NOISE3;
-   case OPCODE_NOISE4:
-      return TGSI_OPCODE_NOISE4;
    case OPCODE_NOP:
       return TGSI_OPCODE_NOP;
    case OPCODE_NRM3:
@@ -523,8 +515,6 @@ translate_opcode( unsigned op )
       return TGSI_OPCODE_SSG;
    case OPCODE_SUB:
       return TGSI_OPCODE_SUB;
-   case OPCODE_SWZ:
-      return TGSI_OPCODE_SWZ;
    case OPCODE_TEX:
       return TGSI_OPCODE_TEX;
    case OPCODE_TXB:
@@ -616,6 +606,21 @@ compile_instruction(
                  src, num_src );
       break;
 
+   case OPCODE_NOISE1:
+   case OPCODE_NOISE2:
+   case OPCODE_NOISE3:
+   case OPCODE_NOISE4:
+      /* At some point, a motivated person could add a better
+       * implementation of noise.  Currently not even the nvidia
+       * binary drivers do anything more than this.  In any case, the
+       * place to do this is in the GL state tracker, not the poor
+       * driver.
+       */
+      ureg_MOV( ureg, dst[0], ureg_imm1f(ureg, 0.5) );
+      break;
+		 
+
+
    default:
       ureg_insn( ureg, 
                  translate_opcode( inst->Opcode ),