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radeonsi: catch a potential state tracker error with non-MSAA FBs

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At least st/mesa ensures this, so I'd rather not handle deviations in radeonsi.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2016-07-06 16:55:08 +02:00
parent d938b8c0bf
commit 5bcfbf91e5
1 changed files with 6 additions and 0 deletions
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6
src/gallium/drivers/radeonsi/si_state.c
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@ -3193,6 +3193,12 @@ static void si_emit_sample_mask(struct si_context *sctx, struct r600_atom *atom)
struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
unsigned mask = sctx->sample_mask.sample_mask;
/* Needed for line and polygon smoothing as well as for the Polaris
* small primitive filter. We expect the state tracker to take care of
* this for us.
*/
assert(mask == 0xffff || sctx->framebuffer.nr_samples > 1);
radeon_set_context_reg_seq(cs, R_028C38_PA_SC_AA_MASK_X0Y0_X1Y0, 2);
radeon_emit(cs, mask | (mask << 16));
radeon_emit(cs, mask | (mask << 16));