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authorMarek Olšák <[email protected]>2014-08-15 22:45:10 +0200
committerMarek Olšák <[email protected]>2014-08-19 12:20:18 +0200
commit4be7ff5567fd200ab1a57c66f6003e99e2c5d7a7 (patch)
tree7b02c768d031a49f1dd9f66697e2f26fd386ea0a /src/gallium/drivers
parent94e474f3c3cb9f846c0fd6443d154baa1baeaecb (diff)
radeonsi: set PARTIAL_VS_WAVE(0) when appropriate
Reviewed-by: Alex Deucher <[email protected]> Reviewed-by: Michel Dänzer <[email protected]>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/radeonsi/si_state_draw.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index 2e999f6d186..f5d65508340 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -389,6 +389,7 @@ static unsigned si_get_ia_multi_vgt_param(struct si_context *sctx,
/* SWITCH_ON_EOP(0) is always preferable. */
bool wd_switch_on_eop = false;
bool ia_switch_on_eop = false;
+ bool partial_vs_wave = false;
/* This is a hardware requirement. */
if ((rs && rs->line_stipple_enable) ||
@@ -397,6 +398,10 @@ static unsigned si_get_ia_multi_vgt_param(struct si_context *sctx,
wd_switch_on_eop = true;
}
+ if (sctx->b.streamout.streamout_enabled ||
+ sctx->b.streamout.prims_gen_query_enabled)
+ partial_vs_wave = true;
+
if (sctx->b.chip_class >= CIK) {
/* WD_SWITCH_ON_EOP has no effect on GPUs with less than
* 4 shader engines. Set 1 to pass the assertion below.
@@ -421,7 +426,7 @@ static unsigned si_get_ia_multi_vgt_param(struct si_context *sctx,
}
return S_028AA8_SWITCH_ON_EOP(ia_switch_on_eop) |
- S_028AA8_PARTIAL_VS_WAVE_ON(1) |
+ S_028AA8_PARTIAL_VS_WAVE_ON(partial_vs_wave) |
S_028AA8_PRIMGROUP_SIZE(primgroup_size - 1) |
S_028AA8_WD_SWITCH_ON_EOP(sctx->b.chip_class >= CIK ? wd_switch_on_eop : 0);
}