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

diff --git a/src/mesa/pipe/i915simple/i915_fpc_translate.c b/src/mesa/pipe/i915simple/i915_fpc_translate.c
index 7838031..b867b87 100644 (file)
--- a/src/mesa/pipe/i915simple/i915_fpc_translate.c
+++ b/src/mesa/pipe/i915simple/i915_fpc_translate.c
@@ -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: