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radeonsi: don't enable blending if colormask == 0

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most likely useless, but doesn't hurt

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-01-15 12:59:48 +01:00
parent dac2964f3e
commit 0446ea9d08
1 changed files with 3 additions and 0 deletions
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3
src/gallium/drivers/radeonsi/si_state.c
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@ -433,6 +433,9 @@ static void *si_create_blend_state_mode(struct pipe_context *ctx,
unsigned blend_cntl = 0;
if (!state->rt[j].colormask)
continue;
/* we pretend 8 buffer are used, CB_SHADER_MASK will disable unused one */
blend->cb_target_mask |= state->rt[j].colormask << (4 * i);