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shader: synchronize GPU-produced direct writable descriptors

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Co-authored-by: TheCruZ <thecruzwtf@gmail.com>
This commit is contained in:
nmzik
2026-10-04 01:49:30 +04:00
parent e4aca7a60b
commit ec3e48cdde
3 changed files with 111 additions and 10 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceMaterialization.cpp
+11 -8
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@@ -975,12 +975,14 @@ ResourcePlan ExtractResourcePlan(const Program& program) {
}
}
plan.capture_specialization_reads = capture_indirect_reads || !plan.control_flow.empty();
// Writable descriptor addresses must come from clean backing for the alias proof.
for (const auto& buffer: plan.info.buffers) {
if (buffer.written) MarkCleanFlatSlots(plan, Source(plan, buffer.source), plan.clean_flat_slots);
}
for (const auto& image: plan.info.images) {
if (image.written) MarkCleanFlatSlots(plan, Source(plan, image.source), plan.clean_flat_slots);
if (plan.capture_specialization_reads) {
// Clean writable addresses prove that shader writes cannot overlap captured reads.
for (const auto& buffer: plan.info.buffers) {
if (buffer.written) MarkCleanFlatSlots(plan, Source(plan, buffer.source), plan.clean_flat_slots);
}
for (const auto& image: plan.info.images) {
if (image.written) MarkCleanFlatSlots(plan, Source(plan, image.source), plan.clean_flat_slots);
}
}
if (capture_indirect_reads) plan.resource_tracking_complete &= !program.has_address_writes;
return plan;
@@ -1004,7 +1006,8 @@ bool MaterializeResources(const ResourcePlan& program, const SrtRuntime& runtime
observed.read_memory = CaptureOrdinaryRead;
}
SrtWalker clean(program, CleanRuntime(observed));
SrtWalker walker(program, observed, program.clean_flat_slots, &clean);
SrtWalker walker(program, observed, program.clean_flat_slots,
capture_reads || program.requires_specialization_memory ? &clean : nullptr);
if (!walker.RefreshFlatBuffer(snapshot.flattened_srt)) {
return false;
}
@@ -1026,7 +1029,7 @@ bool MaterializeResources(const ResourcePlan& program, const SrtRuntime& runtime
return false;
}
if (active.empty() || active[source]) {
return (written ? clean : walker).EvaluateDescriptor(source, value);
return (capture_reads && written ? clean : walker).EvaluateDescriptor(source, value);
}
value = {};
value.dword_count = program.descriptor_sources[source].dword_count;