Mesa (7.9): r300/compiler: propagate SaturateMode down to the result of shadow comparison

[Marek Olšák]

Module: Mesa
Branch: 7.9
Commit: 897e464a5d39146e4b35525240e102f26b8cffe4
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=897e464a5d39146e4b35525240e102f26b8cffe4

Author: Marek Olšák <maraeo at gmail.com>
Date:   Mon Apr  4 18:35:16 2011 +0200

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

NOTE: This is a candidate for the stable branches.
(cherry picked from commit 2679760834e9c04c81cc9af4bc19d312530ea055)

---

 .../drivers/dri/r300/compiler/radeon_program_tex.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

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 8643884..6ca18eb 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c
@@ -154,9 +154,11 @@ 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;
@@ -232,6 +234,7 @@ 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;