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Implement RDNA2 per-invocation scratch memory

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This commit is contained in:
Senaxx
2026-08-19 17:32:55 +02:00
committed by nmzik
parent 2db0b3cfa7
commit 56a15c2036
20 changed files with 184 additions and 53 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterModule.cpp
+9 -3
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@@ -94,13 +94,13 @@ uint32_t TypePushConstantElementPointer(EmitterState& state) {
return TypePointer(state, StorageClassPushConstant, TypeU32(state));
}
uint32_t TypeLdsArrayPointer(EmitterState& state, uint32_t storage_class) {
const auto count = ConstantU32(state, std::max(LdsDwordCount(state), 1u));
uint32_t TypeU32ArrayPointer(EmitterState& state, uint32_t storage_class, uint32_t dwords) {
const auto count = ConstantU32(state, std::max(dwords, 1u));
const auto array = state.builder.Type(OpTypeArray, {TypeU32(state), count});
return TypePointer(state, storage_class, array);
}
uint32_t TypeLdsElementPointer(EmitterState& state, uint32_t storage_class) {
uint32_t TypeU32ElementPointer(EmitterState& state, uint32_t storage_class) {
return TypePointer(state, storage_class, TypeU32(state));
}
@@ -601,6 +601,9 @@ void DefineModule(EmitterState& state) {
if (state.requirements.function_lds) {
state.lds_variable = state.builder.AllocateId();
}
if (state.requirements.function_scratch) {
state.scratch_variable = state.builder.AllocateId();
}
state.main_func = state.builder.AllocateId();
state.entry_label = state.builder.AllocateId();
@@ -659,6 +662,9 @@ void DefineModule(EmitterState& state) {
if (state.requirements.function_lds) {
state.builder.AddName(state.lds_variable, "lds_dwords");
}
if (state.requirements.function_scratch) {
state.builder.AddName(state.scratch_variable, "scratch_dwords");
}
AddInputAnnotationsAndNames(state);
AddOutputAnnotationsAndNames(state);
AddDescriptorAnnotationsAndNames(state);