From 7d348005317c1d5f88b2472de64a083defa2feab Mon Sep 17 00:00:00 2001 From: Ameer J Date: Sat, 28 Oct 2023 18:44:27 -0400 Subject: shader_recompiler: Align SSBO offsets to meet host requirements Co-Authored-By: Billy Laws --- src/video_core/buffer_cache/buffer_cache.h | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'src/video_core/buffer_cache') diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h index 081a574e8..9202e53c7 100644 --- a/src/video_core/buffer_cache/buffer_cache.h +++ b/src/video_core/buffer_cache/buffer_cache.h @@ -1770,6 +1770,7 @@ template Binding BufferCache

::StorageBufferBinding(GPUVAddr ssbo_addr, u32 cbuf_index, bool is_written) const { const GPUVAddr gpu_addr = gpu_memory->Read(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

::StorageBufferBinding(GPUVAddr ssbo_addr, u32 cbuf_index, const u32 memory_layout_size = static_cast(gpu_memory->GetMemoryLayoutSize(gpu_addr)); return std::min(memory_layout_size, static_cast(8_MiB)); }(); - const std::optional 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(gpu_addr - aligned_gpu_addr) + size, alignment); + + const std::optional 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(cpu_end - *cpu_addr), + .size = is_written ? aligned_size : static_cast(cpu_end - *cpu_addr), .buffer_id = BufferId{}, }; return binding; -- cgit v1.2.3