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radeonsi: don't count outputs with GS streams > 0 for outputs_written_before_ps

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outputs_written_before_ps is used to determine kill_outputs, which removes
param exports, but non-zero GS streams are xfb-only and not exported.

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Acked-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35529>
This commit is contained in:
Marek Olšák
2025-06-01 17:22:38 -04:00
committed by Marge Bot
parent 0b3b105bde
commit 58f12b3c81
1 changed files with 6 additions and 4 deletions
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src/gallium/drivers/radeonsi/si_shader_info.c
+6 -4
View File
@@ -165,15 +165,16 @@ static void scan_io_usage(const nir_shader *nir, struct si_shader_info *info,
/* Output stores. */
unsigned gs_streams = (uint32_t)nir_intrinsic_io_semantics(intr).gs_streams <<
(nir_intrinsic_component(intr) * 2);
bool writes_stream0 = false;
/* Iterate over all components. */
u_foreach_bit(i, mask) {
unsigned stream = (gs_streams >> (i * 2)) & 0x3;
if (stream == 0)
info->gs_writes_stream0 = true;
writes_stream0 |= stream == 0;
}
info->gs_writes_stream0 |= writes_stream0;
if (nir_intrinsic_has_src_type(intr))
info->output_type[loc] = nir_intrinsic_src_type(intr);
else if (nir_intrinsic_has_dest_type(intr))
@@ -204,7 +205,8 @@ static void scan_io_usage(const nir_shader *nir, struct si_shader_info *info,
if (slot_semantic != VARYING_SLOT_POS &&
slot_semantic != VARYING_SLOT_PSIZ &&
slot_semantic != VARYING_SLOT_CLIP_VERTEX &&
slot_semantic != VARYING_SLOT_LAYER)
slot_semantic != VARYING_SLOT_LAYER &&
writes_stream0)
info->outputs_written_before_ps |= bit;
/* LAYER and VIEWPORT have no effect if they don't feed the rasterizer. */