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| author | James Benton <jbenton@vmware.com> | 2012-07-17 12:08:02 +0100 |
|---|---|---|
| committer | José Fonseca <jfonseca@vmware.com> | 2012-07-17 13:16:38 +0100 |
| commit | e253175c9c8034bfc13ecc3e16ab72007bde744a (patch) | |
| tree | 66b8d065d14682d2d1a55baa53ce28edcb0d7f81 /src/gallium/drivers/llvmpipe/lp_bld_blend.c | |
| parent | 89e755d7621a15fbf8ad32e6c7b82d4d0ff5b993 (diff) | |
| download | external_mesa3d-e253175c9c8034bfc13ecc3e16ab72007bde744a.zip external_mesa3d-e253175c9c8034bfc13ecc3e16ab72007bde744a.tar.gz external_mesa3d-e253175c9c8034bfc13ecc3e16ab72007bde744a.tar.bz2 | |
llvmpipe: Fix bug with blend factor in complementary optimisations.
Fixes fdo 52168.
Reviewed-by: José Fonseca <jfonseca@vmware.com>
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_bld_blend.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_blend.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_blend.c b/src/gallium/drivers/llvmpipe/lp_bld_blend.c index a87a220..75309dd 100644 --- a/src/gallium/drivers/llvmpipe/lp_bld_blend.c +++ b/src/gallium/drivers/llvmpipe/lp_bld_blend.c @@ -152,20 +152,22 @@ lp_build_blend(struct lp_build_context *bld, } } else if(bld->type.floating && func == PIPE_BLEND_SUBTRACT) { result = lp_build_add(bld, src, dst); - result = lp_build_mul(bld, result, src_factor); if (factor_src < factor_dst) { + result = lp_build_mul(bld, result, src_factor); return lp_build_sub(bld, result, dst); } else { + result = lp_build_mul(bld, result, dst_factor); return lp_build_sub(bld, src, result); } } else if(bld->type.floating && func == PIPE_BLEND_REVERSE_SUBTRACT) { result = lp_build_add(bld, src, dst); - result = lp_build_mul(bld, result, src_factor); if (factor_src < factor_dst) { + result = lp_build_mul(bld, result, src_factor); return lp_build_sub(bld, dst, result); } else { + result = lp_build_mul(bld, result, dst_factor); return lp_build_sub(bld, result, src); } } |