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authorNicolai Hähnle <nicolai.haehnle@amd.com>2016-07-06 16:55:08 +0200
committerNicolai Hähnle <nicolai.haehnle@amd.com>2016-07-08 10:53:05 +0200
commit5bcfbf91e53e4f66310fc4ab63a7caf931a1e45c (patch)
treea6ca3feec95c3119394a8a88a4d9e8785f9cb99c /src/gallium/drivers/radeonsi/si_state.c
parentd938b8c0bf32ab5f0103ac68071c4cc467846108 (diff)
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radeonsi: catch a potential state tracker error with non-MSAA FBs
At least st/mesa ensures this, so I'd rather not handle deviations in radeonsi. Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_state.c')
-rw-r--r--src/gallium/drivers/radeonsi/si_state.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index ee92f15..df6b610 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -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));