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

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NOTE: This is a candidate for the stable branches.
(cherry picked from commit 2679760834)
This commit is contained in:
Marek Olšák 2011-04-04 18:35:16 +02:00
parent 0140b830af
commit 897e464a5d
1 changed files with 3 additions and 0 deletions
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3
src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c
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@ -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;