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 1cf77d9..45b1310 100644 (file)
--- 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;