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r300/compiler: fix allocation of temporaries in radeonTransformTEX

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This commit is contained in:
Marek Olšák
2010-08-15 22:52:07 +02:00
parent c9b7bece05
commit b97ab20f29
1 changed files with 6 additions and 2 deletions
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src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c
+6 -2
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@@ -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);
}
}