diff options
-rw-r--r-- | src/video_core/memory_manager.cpp | 26 | ||||
-rw-r--r-- | src/video_core/memory_manager.h | 3 |
2 files changed, 21 insertions, 8 deletions
diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp index 65feff588..f5cdf548e 100644 --- a/src/video_core/memory_manager.cpp +++ b/src/video_core/memory_manager.cpp @@ -314,17 +314,29 @@ void MemoryManager::WriteBlockUnsafe(GPUVAddr gpu_dest_addr, const void* src_buf } } +void MemoryManager::FlushRegion(GPUVAddr gpu_addr, size_t size) const { + size_t remaining_size{size}; + size_t page_index{gpu_addr >> page_bits}; + size_t page_offset{gpu_addr & page_mask}; + while (remaining_size > 0) { + const size_t num_bytes{std::min(page_size - page_offset, remaining_size)}; + if (const auto page_addr{GpuToCpuAddress(page_index << page_bits)}; page_addr) { + rasterizer->FlushRegion(*page_addr + page_offset, num_bytes); + } + ++page_index; + page_offset = 0; + remaining_size -= num_bytes; + } +} + void MemoryManager::CopyBlock(GPUVAddr gpu_dest_addr, GPUVAddr gpu_src_addr, std::size_t size) { std::vector<u8> tmp_buffer(size); ReadBlock(gpu_src_addr, tmp_buffer.data(), size); - WriteBlock(gpu_dest_addr, tmp_buffer.data(), size); -} -void MemoryManager::CopyBlockUnsafe(GPUVAddr gpu_dest_addr, GPUVAddr gpu_src_addr, - std::size_t size) { - std::vector<u8> tmp_buffer(size); - ReadBlockUnsafe(gpu_src_addr, tmp_buffer.data(), size); - WriteBlockUnsafe(gpu_dest_addr, tmp_buffer.data(), size); + // The output block must be flushed in case it has data modified from the GPU. + // Fixes NPC geometry in Zombie Panic in Wonderland DX + FlushRegion(gpu_dest_addr, size); + WriteBlock(gpu_dest_addr, tmp_buffer.data(), size); } bool MemoryManager::IsGranularRange(GPUVAddr gpu_addr, std::size_t size) const { diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h index c35e57689..a52fbbd8c 100644 --- a/src/video_core/memory_manager.h +++ b/src/video_core/memory_manager.h @@ -107,7 +107,6 @@ public: */ void ReadBlockUnsafe(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size) const; void WriteBlockUnsafe(GPUVAddr gpu_dest_addr, const void* src_buffer, std::size_t size); - void CopyBlockUnsafe(GPUVAddr gpu_dest_addr, GPUVAddr gpu_src_addr, std::size_t size); /** * IsGranularRange checks if a gpu region can be simply read with a pointer. @@ -131,6 +130,8 @@ private: void TryLockPage(PageEntry page_entry, std::size_t size); void TryUnlockPage(PageEntry page_entry, std::size_t size); + void FlushRegion(GPUVAddr gpu_addr, size_t size) const; + [[nodiscard]] static constexpr std::size_t PageEntryIndex(GPUVAddr gpu_addr) { return (gpu_addr >> page_bits) & page_table_mask; } |