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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/cache/streamBuffer.cpp
Vendored
+26 -11
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@@ -73,8 +73,12 @@ Buffer::Buffer(GraphicContext& graphics, CommandScheduler& scheduler, MemoryUsag
buffer_info.usage = flags;
buffer_info.sharingMode = vk::SharingMode::eExclusive;
const bool with_bda = bool(flags & vk::BufferUsageFlagBits::eShaderDeviceAddress);
const VmaAllocationCreateFlags bda_flag =
with_bda ? VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT : 0;
VmaAllocationCreateInfo allocation_info {};
allocation_info.flags = VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT | AllocationFlags(usage);
allocation_info.flags =
VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT | bda_flag | AllocationFlags(usage);
allocation_info.usage = AllocationUsage(usage);
allocation_info.preferredFlags = usage == MemoryUsage::DeviceLocal
? VkMemoryPropertyFlags {}
@@ -99,6 +103,13 @@ Buffer::Buffer(GraphicContext& graphics, CommandScheduler& scheduler, MemoryUsag
m_buffer->memory.type = allocation_result.memoryType;
m_buffer->memory.unique_id = VulkanNextMemoryUniqueId();
graphics.device.getBufferMemoryRequirements(m_buffer->buffer, &m_buffer->memory.requirements);
if (static_cast<bool>(flags & vk::BufferUsageFlagBits::eShaderDeviceAddress)) {
vk::BufferDeviceAddressInfo address_info {};
address_info.sType = vk::StructureType::eBufferDeviceAddressInfo;
address_info.buffer = m_buffer->buffer;
m_device_address = graphics.device.getBufferAddress(address_info);
EXIT_IF(m_device_address == 0);
}
VkMemoryPropertyFlags properties = 0;
vmaGetAllocationMemoryProperties(graphics.allocator, m_buffer->memory.allocation, &properties);
@@ -122,6 +133,11 @@ vk::Buffer Buffer::Handle() const noexcept {
return m_buffer->buffer;
}
vk::DeviceAddress Buffer::BufferDeviceAddress() const noexcept {
EXIT_IF(m_device_address == 0);
return m_device_address;
}
bool Buffer::IsInBounds(uint64_t address, uint64_t size) const noexcept {
return address >= m_cpu_address && size <= m_size && address - m_cpu_address <= m_size - size;
}
@@ -141,6 +157,15 @@ void Buffer::Flush(uint64_t offset, uint64_t size) {
}
}
void Buffer::Invalidate(uint64_t offset, uint64_t size) {
EXIT_IF(m_usage != MemoryUsage::Download || offset > m_size || size > m_size - offset);
if (!m_is_coherent && size != 0) {
const auto result =
vmaInvalidateAllocation(m_graphics->allocator, m_buffer->memory.allocation, offset, size);
EXIT_NOT_IMPLEMENTED(static_cast<vk::Result>(result) != vk::Result::eSuccess);
}
}
vk::BufferMemoryBarrier Buffer::Barrier(uint64_t offset, uint64_t size, vk::AccessFlags source,
vk::AccessFlags destination) const {
if (Handle() == nullptr || size == 0 || offset > m_size || size > m_size - offset) {
@@ -310,16 +335,6 @@ void StreamBuffer::Commit() {
watch.tick = tick;
}
void StreamBuffer::Invalidate(uint64_t offset, uint64_t size) {
EXIT_IF(Usage() != MemoryUsage::Download || offset > Size() || size > Size() - offset);
if (IsCoherent() || size == 0) {
return;
}
const auto result = vmaInvalidateAllocation(Graphics().allocator,
NativeBuffer().memory.allocation, offset, size);
EXIT_NOT_IMPLEMENTED(static_cast<vk::Result>(result) != vk::Result::eSuccess);
}
uint64_t StreamBuffer::Copy(const void* source, uint64_t size, uint64_t alignment) {
EXIT_IF(source == nullptr);
const auto [data, offset] = Map(size, alignment);