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-rw-r--r--src/video_core/engines/kepler_memory.cpp11
-rw-r--r--src/video_core/engines/kepler_memory.h7
-rw-r--r--src/video_core/gpu.cpp2
3 files changed, 17 insertions, 3 deletions
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+ // We have to invalidate the destination region to evict any outdated surfaces from the cache.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++;
diff --git a/src/video_core/engines/kepler_memory.h b/src/video_core/engines/kepler_memory.h
index b0d0078cf..bf4a13cff 100644
--- a/src/video_core/engines/kepler_memory.h
+++ b/src/video_core/engines/kepler_memory.h
@@ -11,6 +11,10 @@
#include "common/common_types.h"
#include "video_core/memory_manager.h"
+namespace VideoCore {
+class RasterizerInterface;
+}
+
namespace Tegra::Engines {
#define KEPLERMEMORY_REG_INDEX(field_name) \
@@ -18,7 +22,7 @@ namespace Tegra::Engines {
class KeplerMemory final {
public:
- KeplerMemory(MemoryManager& memory_manager);
+ KeplerMemory(VideoCore::RasterizerInterface& rasterizer, MemoryManager& memory_manager);
~KeplerMemory();
/// Write the value to the register identified by method.
@@ -72,6 +76,7 @@ public:
private:
MemoryManager& memory_manager;
+ VideoCore::RasterizerInterface& rasterizer;
void ProcessData(u32 data);
};
diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp
index 9ba7e3533..2d70a833b 100644
--- a/src/video_core/gpu.cpp
+++ b/src/video_core/gpu.cpp
@@ -28,7 +28,7 @@ GPU::GPU(VideoCore::RasterizerInterface& rasterizer) {
fermi_2d = std::make_unique<Engines::Fermi2D>(rasterizer, *memory_manager);
maxwell_compute = std::make_unique<Engines::MaxwellCompute>();
maxwell_dma = std::make_unique<Engines::MaxwellDMA>(*memory_manager);
- kepler_memory = std::make_unique<Engines::KeplerMemory>(*memory_manager);
+ kepler_memory = std::make_unique<Engines::KeplerMemory>(rasterizer, *memory_manager);
}
GPU::~GPU() = default;