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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/host_gpu/renderer/pipeline/descriptors.cpp
+13 -78
View File
@@ -216,48 +216,6 @@ static BufferView NativeStorageBuffer(RenderContext&
return result;
}
static BufferView
NativeAddressBuffer(RenderContext& context, const ShaderRecompiler::IR::AddressResource& resource,
const ShaderRecompiler::IR::ResourceSnapshot::Address& address,
ShaderType stage, uint32_t slot, uint32_t& address_offset, BufferId id) {
BufferView result;
address_offset = 0;
if (address.binding_base == 0) {
BindNullStorageBuffer(context, result);
return result;
}
if (resource.written) {
EXIT("writable address resources are unsupported\n");
}
const auto limit =
resource.kind == ShaderRecompiler::IR::ResourceKind::Flat
? ShaderRecompiler::IR::FlatAddressWindowSize
: static_cast<uint64_t>(
context.GetGraphics().GetPhysicalDeviceProperties().limits.maxStorageBufferRange);
uint64_t size = 0;
const auto access = HostMemoryAccess::Mapped;
if (!HostMemoryQueryRange(address.binding_base, limit, access, size)) {
EXIT("address resource is not host-accessible: base=0x%016" PRIx64 "\n",
address.binding_base);
}
const auto& graphics = context.GetGraphics();
const auto alignment = graphics.StorageMinAlignment();
auto [buffer, offset] =
context.GetBufferCache().ObtainBuffer(address.binding_base, size, false, false, id);
const auto aligned_offset = offset - offset % alignment;
const auto adjustment = offset - aligned_offset;
const auto max_range = graphics.GetPhysicalDeviceProperties().limits.maxStorageBufferRange;
const auto visible_size = std::min(size, static_cast<uint64_t>(max_range - adjustment));
address_offset = static_cast<uint32_t>(adjustment);
result.buffer = buffer->Handle();
result.offset = aligned_offset;
result.range = static_cast<vk::DeviceSize>(visible_size + adjustment);
SetVulkanObjectNameF(graphics.device, result.buffer,
"Kyty.{}.AddressBuffer[slot={} guest=0x{:016x} size=0x{:x}]",
ShaderStageResourceName(stage), slot, address.binding_base, visible_size);
return result;
}
static bool IsSupportedSampledColorResource(const ShaderRecompiler::IR::ImageResource& resource) {
bool supported_dimension = false;
switch (resource.dimension) {
@@ -1000,25 +958,6 @@ void RenderExecutor::FindBuffers(PreparedBindings& prepared) {
prepared.buffer_ids.push_back(cache.FindBuffer(address, size));
}
prepared.address_ids.clear();
prepared.address_ids.reserve(program.info.addresses.size());
for (uint32_t i = 0; i < program.info.addresses.size(); i++) {
const auto& resource = program.info.addresses[i];
const auto& address = snapshot.addresses[i];
if (address.binding_base == 0) {
prepared.address_ids.emplace_back();
continue;
}
EXIT_IF(resource.written);
const auto limit = resource.kind == ShaderRecompiler::IR::ResourceKind::Flat
? ShaderRecompiler::IR::FlatAddressWindowSize
: static_cast<uint64_t>(m_context.GetGraphics()
.GetPhysicalDeviceProperties()
.limits.maxStorageBufferRange);
uint64_t size = 0;
EXIT_IF(!HostMemoryQueryRange(address.binding_base, limit, HostMemoryAccess::Mapped, size));
prepared.address_ids.push_back(cache.FindBuffer(address.binding_base, size));
}
}
void RenderExecutor::RebindBuffers(PreparedBindings& prepared) {
@@ -1028,8 +967,7 @@ void RenderExecutor::RebindBuffers(PreparedBindings& prepared) {
const auto& snapshot = *prepared.snapshot;
auto& resources = prepared.resources;
const auto& layout = program.bindings;
EXIT_IF(prepared.buffer_ids.size() != program.info.buffers.size() ||
prepared.address_ids.size() != program.info.addresses.size());
EXIT_IF(prepared.buffer_ids.size() != program.info.buffers.size());
resources.buffers.clear();
resources.buffers.reserve(program.info.buffers.size());
@@ -1049,15 +987,6 @@ void RenderExecutor::RebindBuffers(PreparedBindings& prepared) {
buffer_offset, prepared.buffer_ids[i]));
pack_memory_offset(i, buffer_offset);
}
resources.addresses.clear();
resources.addresses.reserve(program.info.addresses.size());
for (uint32_t i = 0; i < program.info.addresses.size(); i++) {
uint32_t address_offset = 0;
resources.addresses.push_back(NativeAddressBuffer(m_context, program.info.addresses[i],
snapshot.addresses[i], program.stage, i,
address_offset, prepared.address_ids[i]));
pack_memory_offset(static_cast<uint32_t>(program.info.buffers.size()) + i, address_offset);
}
if (!prepared.flattened_srt.empty()) {
resources.flattened_srt = NativeUpload(m_context, prepared.flattened_srt);
}
@@ -1129,6 +1058,10 @@ RenderExecutor::PrepareGraphicsBindings(const ShaderStageRuntime& vertex,
if (bindings.pixel) {
FindBuffers(*bindings.pixel);
}
if (bindings.vertex.program->info.uses_dma ||
(bindings.pixel && bindings.pixel->program->info.uses_dma)) {
m_context.GetGpuResources().PrepareBda();
}
RebindBuffers(bindings.vertex);
if (bindings.pixel) {
RebindBuffers(*bindings.pixel);
@@ -1241,13 +1174,15 @@ void RenderExecutor::CommitBindings(CommandBuffer& buffer,
m_descriptor_buffers.emplace_back(view.buffer, view.offset, view.range);
}
break;
case BindingKind::AddressMemory:
for (const auto resource: binding.resources) {
const auto& view = descriptors.addresses.at(resource);
EXIT_IF(view.buffer == nullptr);
m_descriptor_buffers.emplace_back(view.buffer, view.offset, view.range);
}
case BindingKind::BdaPagetable:
case BindingKind::FaultBuffer: {
auto& cache = m_context.GetBufferCache();
const auto* bda_buffer = binding.kind == BindingKind::BdaPagetable
? cache.GetBdaPageTableBuffer()
: cache.GetFaultBuffer();
m_descriptor_buffers.emplace_back(bda_buffer->Handle(), 0, bda_buffer->Size());
break;
}
case BindingKind::FlattenedSrt:
case BindingKind::UserData:
case BindingKind::Gds: {
src/graphics/host_gpu/renderer/pipeline/descriptors.h
-2
View File
@@ -38,7 +38,6 @@ struct NativeDescriptors {
std::vector<BufferView> buffers;
std::vector<TextureBinding> images;
std::vector<vk::Sampler> samplers;
std::vector<BufferView> addresses;
BufferView gds;
BufferView flattened_srt;
BufferView user_data;
@@ -49,7 +48,6 @@ struct PreparedBindings {
const ShaderRecompiler::IR::ResourceSnapshot* snapshot = nullptr;
NativeDescriptors resources;
std::vector<BufferId> buffer_ids;
std::vector<BufferId> address_ids;
std::vector<uint32_t> flattened_srt;
std::vector<uint32_t> user_data;
bool committed = false;