diff options
| author | Marek Olšák <[email protected]> | 2011-03-12 06:07:24 +0100 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2011-03-12 07:54:23 +0100 |
| commit | e4707604ab46252d2e010906124775d3300f0be1 (patch) | |
| tree | 90b39465407b75f582d75d824bf8574dd6769b17 | |
| parent | cbcb84fccf0e7a9450a10bc1daf3572ab9a4955c (diff) | |
r300/compiler: fix the saturate modifier when applied to TEX instructions
This bug can only be triggered if the source texture is either signed or float.
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c | 6 |
1 files changed, 5 insertions, 1 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 0403b8bb1f2..1cf77d9cf73 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c @@ -425,17 +425,21 @@ int radeonTransformTEX( scale_texcoords(compiler, inst, RC_STATE_R300_TEXSCALE_FACTOR); } - /* Cannot write texture to output registers (all chips) or with masks (non-r500) */ + /* Cannot write texture to output registers or with saturate (all chips), + * or with masks (non-r500). */ if (inst->U.I.Opcode != RC_OPCODE_KIL && (inst->U.I.DstReg.File != RC_FILE_TEMPORARY || + inst->U.I.SaturateMode || (!c->is_r500 && inst->U.I.DstReg.WriteMask != RC_MASK_XYZW))) { struct rc_instruction * inst_mov = rc_insert_new_instruction(c, inst); inst_mov->U.I.Opcode = RC_OPCODE_MOV; + inst_mov->U.I.SaturateMode = inst->U.I.SaturateMode; inst_mov->U.I.DstReg = inst->U.I.DstReg; inst_mov->U.I.SrcReg[0].File = RC_FILE_TEMPORARY; inst_mov->U.I.SrcReg[0].Index = rc_find_free_temporary(c); + inst->U.I.SaturateMode = 0; inst->U.I.DstReg.File = RC_FILE_TEMPORARY; inst->U.I.DstReg.Index = inst_mov->U.I.SrcReg[0].Index; inst->U.I.DstReg.WriteMask = RC_MASK_XYZW; |