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graphics: add RDNA2 FLAT BDA buffer cache and faults

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This commit is contained in:
nmzik
2026-08-27 03:45:41 +02:00
parent 8072718462
commit e738535294
37 changed files with 1002 additions and 684 deletions
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src/graphics/shader/recompiler/backend/spirv/SpirvEmitter.cpp
+10 -7
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@@ -70,8 +70,9 @@ bool ValidateNativeProgram(const IR::Program& program, std::string* error) {
if (uses_gds) {
Expect(Kind::Gds);
}
if (!program.info.addresses.empty()) {
Expect(Kind::AddressMemory, Dense(program.info.addresses.size()));
if (program.info.uses_dma) {
Expect(Kind::BdaPagetable);
Expect(Kind::FaultBuffer);
}
const bool uses_flattened_runtime =
!program.srt_reads.empty() ||
@@ -104,8 +105,7 @@ bool ValidateNativeProgram(const IR::Program& program, std::string* error) {
program.bindings.push_constant_offset + program.bindings.push_constant_size >
IR::NativePushConstantSize ||
program.bindings.memory_offset_dword != program.bindings.user_data_registers.size() ||
program.bindings.memory_offset_count !=
program.info.buffers.size() + program.info.addresses.size() ||
program.bindings.memory_offset_count != program.info.buffers.size() ||
(!has_user_storage &&
program.bindings.push_constant_size != program.bindings.ShaderDataDwords() * 4u) ||
(has_user_storage && program.bindings.push_constant_size != 0) ||
@@ -146,8 +146,8 @@ bool ValidateNativeProgram(const IR::Program& program, std::string* error) {
if (planning_only_handle(inst)) {
break;
}
if (dense >= program.info.addresses.size()) {
return Fail(error, "typed address handle has an invalid dense resource");
if (inst.NumArgs() != 2 || !program.info.uses_dma) {
return Fail(error, "typed address handle has invalid DMA metadata");
}
break;
case IR::ValueOpcode::GetScratchResource:
@@ -188,7 +188,8 @@ bool AnalyzeProgramRequirements(IR::Program& program, std::string* error) {
const auto MarkBallot = [&] { requirements.subgroup_ballot = true; };
for (const auto* block: program.blocks) {
for (const auto& inst: *block) {
if (IR::AddressOpcodeInfoOf(inst.GetOpcode()).access != IR::AddressAccess::None) {
const auto address_access = IR::AddressOpcodeInfoOf(inst.GetOpcode()).access;
if (address_access != IR::AddressAccess::None) {
const auto memory_index = inst.Flags<IR::MemoryFlags>().index;
if (memory_index >= program.memory_info.size()) {
return Fail(error, "address operation has invalid memory metadata");
@@ -198,6 +199,8 @@ bool AnalyzeProgramRequirements(IR::Program& program, std::string* error) {
return Fail(error, "scratch operation has no per-thread storage");
}
requirements.function_scratch = true;
} else if (address_access == IR::AddressAccess::Write) {
return Fail(error, "writable FLAT/GLOBAL addresses require GPU ownership tracking");
}
}
if (IR::BufferAccessOf(inst.GetOpcode()) != IR::BufferAccess::None) {