diff options
| author | Marek Olšák <[email protected]> | 2010-08-15 22:52:07 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2010-08-16 00:07:54 +0200 |
| commit | b97ab20f29c4afa708e9176331d6a20551a308ac (patch) | |
| tree | 724db3221b2fd664978f4a98a0b884050fd4a285 /src/mesa/drivers/dri | |
| parent | c9b7bece0569d9e193591ebff329acd1d9bd9e3c (diff) | |
r300/compiler: fix allocation of temporaries in radeonTransformTEX
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c | 8 |
1 files changed, 6 insertions, 2 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 9c4b65f4c00..ddce590ee66 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c @@ -117,8 +117,8 @@ int radeonTransformTEX( struct rc_instruction * inst_rcp = NULL; struct rc_instruction * inst_mad; struct rc_instruction * inst_cmp; - unsigned tmp_texsample = rc_find_free_temporary(c); - unsigned tmp_sum = rc_find_free_temporary(c); + unsigned tmp_texsample; + unsigned tmp_sum; unsigned tmp_recip_w = 0; int pass, fail, tex; @@ -126,6 +126,7 @@ int radeonTransformTEX( struct rc_dst_register output_reg = inst->U.I.DstReg; /* Redirect TEX to a new temp. */ + tmp_texsample = rc_find_free_temporary(c); inst->U.I.DstReg.File = RC_FILE_TEMPORARY; inst->U.I.DstReg.Index = tmp_texsample; inst->U.I.DstReg.WriteMask = RC_MASK_XYZW; @@ -144,6 +145,7 @@ int radeonTransformTEX( } /* Perspective-divide r by W (if it's TXP) and add the texture sample (see below). */ + tmp_sum = rc_find_free_temporary(c); inst_mad = rc_insert_new_instruction(c, inst_rcp ? inst_rcp : inst); inst_mad->U.I.DstReg.File = RC_FILE_TEMPORARY; inst_mad->U.I.DstReg.Index = tmp_sum; @@ -199,6 +201,8 @@ int radeonTransformTEX( inst_cmp->U.I.SrcReg[pass].File = RC_FILE_NONE; inst_cmp->U.I.SrcReg[pass].Swizzle = RC_SWIZZLE_1111; inst_cmp->U.I.SrcReg[fail] = shadow_ambient(compiler, inst->U.I.TexSrcUnit); + + assert(tmp_texsample != tmp_sum && tmp_sum != tmp_recip_w); } } |