check for divide by W flag when translating TGSI_OPCODE_TEX (fixes projected textures)

2007-11-08 11:39:42 -07:00
parent 02f7f46fa1
commit fa63d6d32c
1 changed files with 7 additions and 1 deletions
@@ -831,7 +831,13 @@ i915_translate_instruction(struct i915_fp_compile *p,
      break;

   case TGSI_OPCODE_TEX:
-      emit_tex(p, inst, T0_TEXLD);
+      if (inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtDivide
+          == TGSI_EXTSWIZZLE_W) {
+         emit_tex(p, inst, T0_TEXLDP);
+      }
+      else {
+         emit_tex(p, inst, T0_TEXLD);
+      }
      break;

   case TGSI_OPCODE_TXB: