diff options
| author | Tom Stellard <[email protected]> | 2010-09-09 10:19:52 -0700 |
|---|---|---|
| committer | Tom Stellard <[email protected]> | 2010-09-10 18:18:10 -0700 |
| commit | 3fffcb317c90b03cad733bca027ff2a978567306 (patch) | |
| tree | d9655ef7f262ba6e064b96485eeb8f0d2c4c5570 | |
| parent | 8b67159e9a8f2e3782dfb78bc612e2753395563a (diff) | |
r300/compiler: Don't use presubtract in TEX instructions
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_optimize.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c index 88aac949a10..0c6b1bd720a 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c @@ -192,7 +192,7 @@ static void copy_propagate(struct radeon_compiler * c, struct rc_instruction * i /* It is possible to do copy propigation in this situation, * just not right now, see peephole_add_presub_inv() */ if (inst_mov->U.I.PreSub.Opcode != RC_PRESUB_NONE && - info->NumSrcRegs > 2) { + (info->NumSrcRegs > 2 || info->HasTexture)) { return; } @@ -559,6 +559,11 @@ static int presub_helper( break; } + if (info->HasTexture) { + can_remove = 0; + break; + } + /* We can't use more than one presubtract value in an * instruction, unless the two prsubtract operations * are the same and read from the same registers. */ |