From a5d853a9f8a19dedbc6cb77e8ca714f65819ad1d Mon Sep 17 00:00:00 2001 From: bunnei Date: Wed, 17 Oct 2018 20:44:07 -0400 Subject: GPU: Invalidate destination address of kepler_memory writes. --- src/video_core/engines/kepler_memory.cpp | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'src/video_core/engines/kepler_memory.cpp') diff --git a/src/video_core/engines/kepler_memory.cpp b/src/video_core/engines/kepler_memory.cpp index 66ae6332d..585290d9f 100644 --- a/src/video_core/engines/kepler_memory.cpp +++ b/src/video_core/engines/kepler_memory.cpp @@ -5,10 +5,14 @@ #include "common/logging/log.h" #include "core/memory.h" #include "video_core/engines/kepler_memory.h" +#include "video_core/rasterizer_interface.h" namespace Tegra::Engines { -KeplerMemory::KeplerMemory(MemoryManager& memory_manager) : memory_manager(memory_manager) {} +KeplerMemory::KeplerMemory(VideoCore::RasterizerInterface& rasterizer, + MemoryManager& memory_manager) + : memory_manager(memory_manager), rasterizer{rasterizer} {} + KeplerMemory::~KeplerMemory() = default; void KeplerMemory::WriteReg(u32 method, u32 value) { @@ -37,6 +41,11 @@ void KeplerMemory::ProcessData(u32 data) { VAddr dest_address = *memory_manager.GpuToCpuAddress(address + state.write_offset * sizeof(u32)); + // We have to invalidate the destination region to evict any outdated surfaces from the cache. + // We do this before actually writing the new data because the destination address might contain + // a dirty surface that will have to be written back to memory. + rasterizer.InvalidateRegion(dest_address, sizeof(u32)); + Memory::Write32(dest_address, data); state.write_offset++; -- cgit v1.2.3