/**
- * 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
*
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:
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:
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 ),