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radeonsi: don't update indexed flag in SGPR if it's unused

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to skip the register update when switching between indexed and non-indexed

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7721>
This commit is contained in:
Marek Olšák
2020-11-25 02:25:59 -05:00
parent d7ee265a95
commit 4641dca269
3 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/gallium/drivers/radeonsi/si_shader.h
+1
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@@ -367,6 +367,7 @@ struct si_shader_info {
bool uses_linear_sample;
bool uses_interp_at_sample;
bool uses_instanceid;
bool uses_base_vertex;
bool uses_drawid;
bool uses_primid;
bool uses_frontface;
src/gallium/drivers/radeonsi/si_shader_nir.c
+1
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@@ -345,6 +345,7 @@ void si_nir_scan_shader(const struct nir_shader *nir, struct si_shader_info *inf
info->uses_frontface = nir->info.system_values_read & BITFIELD64_BIT(SYSTEM_VALUE_FRONT_FACE);
info->uses_instanceid = nir->info.system_values_read & BITFIELD64_BIT(SYSTEM_VALUE_INSTANCE_ID);
info->uses_base_vertex = nir->info.system_values_read & BITFIELD64_BIT(SYSTEM_VALUE_BASE_VERTEX);
info->uses_invocationid = nir->info.system_values_read & BITFIELD64_BIT(SYSTEM_VALUE_INVOCATION_ID);
info->uses_grid_size = nir->info.system_values_read & BITFIELD64_BIT(SYSTEM_VALUE_NUM_WORK_GROUPS);
info->uses_subgroup_info = nir->info.system_values_read & BITFIELD64_BIT(SYSTEM_VALUE_LOCAL_INVOCATION_INDEX) ||
src/gallium/drivers/radeonsi/si_state_draw.c
+4 -2
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@@ -640,8 +640,10 @@ static void si_emit_rasterizer_prim_state(struct si_context *sctx)
ALWAYS_INLINE
static void si_emit_vs_state(struct si_context *sctx, const struct pipe_draw_info *info)
{
sctx->current_vs_state &= C_VS_STATE_INDEXED;
sctx->current_vs_state |= S_VS_STATE_INDEXED(!!info->index_size);
if (sctx->vs_shader.cso->info.uses_base_vertex) {
sctx->current_vs_state &= C_VS_STATE_INDEXED;
sctx->current_vs_state |= S_VS_STATE_INDEXED(!!info->index_size);
}
if (sctx->num_vs_blit_sgprs) {
/* Re-emit the state after we leave u_blitter. */