From: Marek Olšák <maraeo@gmail.com>
Date: Mon, 4 Apr 2011 16:35:16 +0000 (+0200)
Subject: r300/compiler: propagate SaturateMode down to the result of shadow comparison
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2679760834e9c04c81cc9af4bc19d312530ea055;p=mesa.git

r300/compiler: propagate SaturateMode down to the result of shadow comparison

NOTE: This is a candidate for the stable branches.
---

diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c
index 1cf77d9cf73..45b13101770 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c
@@ -157,9 +157,11 @@ int radeonTransformTEX(
 
 			/* Save the output register. */
 			struct rc_dst_register output_reg = inst->U.I.DstReg;
+			unsigned saturate_mode = inst->U.I.SaturateMode;
 
 			/* Redirect TEX to a new temp. */
 			tmp_texsample = rc_find_free_temporary(c);
+			inst->U.I.SaturateMode = 0;
 			inst->U.I.DstReg.File = RC_FILE_TEMPORARY;
 			inst->U.I.DstReg.Index = tmp_texsample;
 			inst->U.I.DstReg.WriteMask = RC_MASK_XYZW;
@@ -235,6 +237,7 @@ int radeonTransformTEX(
 
 			inst_cmp = rc_insert_new_instruction(c, inst_add);
 			inst_cmp->U.I.Opcode = RC_OPCODE_CMP;
+			inst_cmp->U.I.SaturateMode = saturate_mode;
 			inst_cmp->U.I.DstReg = output_reg;
 			inst_cmp->U.I.SrcReg[0].File = RC_FILE_TEMPORARY;
 			inst_cmp->U.I.SrcReg[0].Index = tmp_sum;