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shader_recompiler: Align SSBO offsets to meet host requirements

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Co-Authored-By: Billy Laws <blaws05@gmail.com>
This commit is contained in:
Ameer J
2023-10-28 18:44:27 -04:00
parent 7e284809de
commit 7d34800531
10 changed files with 32 additions and 9 deletions
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11
src/video_core/buffer_cache/buffer_cache.h
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@ -1770,6 +1770,7 @@ template <class 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 alignment = runtime.GetStorageBufferAlignment();
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.
@ -1785,15 +1786,19 @@ Binding BufferCache<P>::StorageBufferBinding(GPUVAddr ssbo_addr, u32 cbuf_index,
const u32 memory_layout_size = static_cast<u32>(gpu_memory->GetMemoryLayoutSize(gpu_addr));
return std::min(memory_layout_size, static_cast<u32>(8_MiB));
}();
const std::optional<VAddr> cpu_addr = gpu_memory->GpuToCpuAddress(gpu_addr);
const GPUVAddr aligned_gpu_addr = Common::AlignDown(gpu_addr, alignment);
const u32 aligned_size =
Common::AlignUp(static_cast<u32>(gpu_addr - aligned_gpu_addr) + size, alignment);
const std::optional<VAddr> cpu_addr = gpu_memory->GpuToCpuAddress(aligned_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, YUZU_PAGESIZE);
const VAddr cpu_end = Common::AlignUp(*cpu_addr + aligned_size, Core::Memory::YUZU_PAGESIZE);
const Binding binding{
.cpu_addr = *cpu_addr,
.size = is_written ? size : static_cast<u32>(cpu_end - *cpu_addr),
.size = is_written ? aligned_size : static_cast<u32>(cpu_end - *cpu_addr),
.buffer_id = BufferId{},
};
return binding;