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radeonsi: fix occlusion queries with 16x AA without FBO attachments on Stoney

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Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Marek Olšák
2018-06-20 18:43:36 -05:00
parent 9c21002f6e
commit 9410cd53c3
1 changed files with 9 additions and 1 deletions
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src/gallium/drivers/radeonsi/si_state.c
+9 -1
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@@ -1378,9 +1378,17 @@ static void si_emit_db_render_state(struct si_context *sctx)
bool perfect = sctx->num_perfect_occlusion_queries > 0;
if (sctx->chip_class >= CIK) {
unsigned log_sample_rate = sctx->framebuffer.log_samples;
/* Stoney doesn't increment occlusion query counters
* if the sample rate is 16x. Use 8x sample rate instead.
*/
if (sctx->family == CHIP_STONEY)
log_sample_rate = MIN2(log_sample_rate, 3);
db_count_control =
S_028004_PERFECT_ZPASS_COUNTS(perfect) |
S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples) |
S_028004_SAMPLE_RATE(log_sample_rate) |
S_028004_ZPASS_ENABLE(1) |
S_028004_SLICE_EVEN_ENABLE(1) |
S_028004_SLICE_ODD_ENABLE(1);