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graphics: implement RDNA2 buffer atomic OR x2

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This commit is contained in:
nmzik
2026-09-03 05:39:05 +02:00
parent cd74809086
commit 858c18468b
14 changed files with 195 additions and 26 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterModule.cpp
+42
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@@ -29,6 +29,10 @@ uint32_t TypeU64(EmitterState& state) {
}
uint32_t TypeDeviceAddress(EmitterState& state) {
return TypeScalarU64(state);
}
uint32_t TypeScalarU64(EmitterState& state) {
return state.builder.Type(OpTypeInt, {64, 0});
}
@@ -94,6 +98,25 @@ uint32_t TypeStorageBufferElementPointer(EmitterState& state) {
return TypePointer(state, StorageClassStorageBuffer, TypeU32(state));
}
uint32_t StorageU64RuntimeArrayType(EmitterState& state) {
return state.builder.DecoratedType(OpTypeRuntimeArray, {TypeScalarU64(state)},
{{OpDecorate, {DecorationArrayStride, sizeof(uint64_t)}}});
}
uint32_t StorageBufferU64Type(EmitterState& state) {
return state.builder.DecoratedType(
OpTypeStruct, {StorageU64RuntimeArrayType(state)},
{{OpMemberDecorate, {0, DecorationOffset, 0}}, {OpDecorate, {DecorationBlock}}});
}
uint32_t TypeStorageBufferU64Pointer(EmitterState& state) {
return TypePointer(state, StorageClassStorageBuffer, StorageBufferU64Type(state));
}
uint32_t TypeStorageBufferU64ElementPointer(EmitterState& state) {
return TypePointer(state, StorageClassStorageBuffer, TypeScalarU64(state));
}
uint32_t TypeDeviceAddressStoragePointer(EmitterState& state) {
return TypePointer(state, StorageClassStorageBuffer, TypeDeviceAddress(state));
}
@@ -162,6 +185,13 @@ void DefineDescriptorVariables(EmitterState& state) {
const auto pointer_type = TypePointer(state, StorageClassStorageBuffer, array_type);
state.storage_buffer_variable =
state.builder.DefineGlobalVariable(pointer_type, StorageClassStorageBuffer);
if (state.requirements.buffer_int64_atomics) {
const auto u64_array_type =
state.builder.Type(OpTypeArray, {StorageBufferU64Type(state), count});
state.storage_buffer_u64_variable = state.builder.DefineGlobalVariable(
TypePointer(state, StorageClassStorageBuffer, u64_array_type),
StorageClassStorageBuffer);
}
}
if (DescriptorBinding(state, IR::DescriptorBindingKind::BdaPagetable) != nullptr) {
state.bda_pagetable_variable = state.builder.DefineGlobalVariable(
@@ -570,6 +600,14 @@ void AddDescriptorAnnotationsAndNames(EmitterState& state) {
if (state.storage_buffer_variable != 0) {
Decorate(state.storage_buffer_variable, "buffers", IR::DescriptorBindingKind::Buffers);
}
if (state.storage_buffer_u64_variable != 0) {
Decorate(state.storage_buffer_u64_variable, "buffers_u64",
IR::DescriptorBindingKind::Buffers);
state.builder.AddAnnotation(
{OpDecorate, state.storage_buffer_variable, DecorationAliased});
state.builder.AddAnnotation(
{OpDecorate, state.storage_buffer_u64_variable, DecorationAliased});
}
if (state.bda_pagetable_variable != 0) {
Decorate(state.bda_pagetable_variable, "bda_pagetable",
IR::DescriptorBindingKind::BdaPagetable);
@@ -627,6 +665,10 @@ void DefineModule(EmitterState& state) {
state.builder.RequireCapability(CapabilityPhysicalStorageBufferAddresses);
state.builder.RequireExtension("SPV_KHR_physical_storage_buffer");
}
if (state.requirements.buffer_int64_atomics) {
state.builder.RequireCapability(CapabilityInt64);
state.builder.RequireCapability(CapabilityInt64Atomics);
}
if (state.clip_distance_variable != 0) {
state.builder.RequireCapability(CapabilityClipDistance);
}