From: Marek Olšák <[email protected]>
Recommended by hw people.
---
src/gallium/drivers/radeonsi/si_state_draw.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c
b/src/gallium/drivers/radeonsi/si_state_draw.c
index f5d6550..0f700a8 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -384,13 +384,16 @@ static unsigned si_get_ia_multi_vgt_param(struct
si_context *sctx,
{
struct si_state_rasterizer *rs = sctx->queued.named.rasterizer;
unsigned prim = info->mode;
- unsigned primgroup_size = 64;
+ unsigned primgroup_size = 128; /* recommended without a GS */
/* SWITCH_ON_EOP(0) is always preferable. */
bool wd_switch_on_eop = false;
bool ia_switch_on_eop = false;
bool partial_vs_wave = false;
+ if (sctx->gs_shader)
+ primgroup_size = 64; /* recommended with a GS */
+
/* This is a hardware requirement. */
if ((rs && rs->line_stipple_enable) ||
(sctx->b.screen->debug_flags & DBG_SWITCH_ON_EOP)) {
--
1.9.1
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