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buffer_cache: Add logic for non-NVN storage buffer tracking

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This commit is contained in:
ameerj 2023-02-25 16:24:21 -05:00
parent 833afb7ce3
commit 2ce5bb9bd6
2 changed files with 27 additions and 5 deletions
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24
src/video_core/buffer_cache/buffer_cache.h
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@ -366,7 +366,8 @@ private:
void NotifyBufferDeletion();
[[nodiscard]] Binding StorageBufferBinding(GPUVAddr ssbo_addr, bool is_written = false) const;
[[nodiscard]] Binding StorageBufferBinding(GPUVAddr ssbo_addr, u32 cbuf_index,
bool is_written = false) const;
[[nodiscard]] TextureBufferBinding GetTextureBufferBinding(GPUVAddr gpu_addr, u32 size,
PixelFormat format);
@ -749,7 +750,7 @@ void BufferCache<P>::BindGraphicsStorageBuffer(size_t stage, size_t ssbo_index,
const auto& cbufs = maxwell3d->state.shader_stages[stage];
const GPUVAddr ssbo_addr = cbufs.const_buffers[cbuf_index].address + cbuf_offset;
storage_buffers[stage][ssbo_index] = StorageBufferBinding(ssbo_addr, is_written);
storage_buffers[stage][ssbo_index] = StorageBufferBinding(ssbo_addr, cbuf_index, is_written);
}
template <class P>
@ -789,7 +790,7 @@ void BufferCache<P>::BindComputeStorageBuffer(size_t ssbo_index, u32 cbuf_index,
const auto& cbufs = launch_desc.const_buffer_config;
const GPUVAddr ssbo_addr = cbufs[cbuf_index].Address() + cbuf_offset;
compute_storage_buffers[ssbo_index] = StorageBufferBinding(ssbo_addr, is_written);
compute_storage_buffers[ssbo_index] = StorageBufferBinding(ssbo_addr, cbuf_index, is_written);
}
template <class P>
@ -1935,11 +1936,26 @@ void BufferCache<P>::NotifyBufferDeletion() {
template <class P>
typename BufferCache<P>::Binding BufferCache<P>::StorageBufferBinding(GPUVAddr ssbo_addr,
u32 cbuf_index,
bool is_written) const {
const GPUVAddr gpu_addr = gpu_memory->Read<u64>(ssbo_addr);
const u32 size = gpu_memory->Read<u32>(ssbo_addr + 8);
const auto size = [&]() {
const bool is_nvn_cbuf = cbuf_index == 0;
// The NVN driver buffer (index 0) is known to pack the SSBO address followed by its size.
if (is_nvn_cbuf) {
return gpu_memory->Read<u32>(ssbo_addr + 8);
}
// Other titles (notably Doom Eternal) may use STG/LDG on buffer addresses in custom defined
// cbufs, which do not store the sizes adjacent to the addresses, so use the fully
// mapped buffer size for now.
const u32 memory_layout_size = static_cast<u32>(gpu_memory->GetMemoryLayoutSize(gpu_addr));
LOG_INFO(HW_GPU, "Binding storage buffer for cbuf index {}, MemoryLayoutSize 0x{:X}",
cbuf_index, memory_layout_size);
return memory_layout_size;
}();
const std::optional<VAddr> cpu_addr = gpu_memory->GpuToCpuAddress(gpu_addr);
if (!cpu_addr || size == 0) {
LOG_WARNING(HW_GPU, "Failed to find storage buffer for cbuf index {}", cbuf_index);
return NULL_BINDING;
}
const VAddr cpu_end = Common::AlignUp(*cpu_addr + size, Core::Memory::YUZU_PAGESIZE);