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Code Issues Releases Activity

video_core: memory_manager: Flush/invalidate asynchronously on Unmap.

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- Minor perf improvement.
This commit is contained in:
bunnei 2020-02-19 20:03:52 -05:00
parent e545c2322c
commit d65fa7d65c
1 changed files with 10 additions and 1 deletions
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11
src/video_core/memory_manager.cpp
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@ -9,6 +9,7 @@
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/vm_manager.h"
#include "core/memory.h"
#include "video_core/gpu.h"
#include "video_core/memory_manager.h"
#include "video_core/rasterizer_interface.h"
@ -84,7 +85,9 @@ GPUVAddr MemoryManager::UnmapBuffer(GPUVAddr gpu_addr, u64 size) {
const auto cpu_addr = GpuToCpuAddress(gpu_addr);
ASSERT(cpu_addr);
rasterizer.FlushAndInvalidateRegion(cache_addr, aligned_size);
// Flush and invalidate through the GPU interface, to be asynchronous if possible.
system.GPU().FlushAndInvalidateRegion(cache_addr, aligned_size);
UnmapRange(gpu_addr, aligned_size);
ASSERT(system.CurrentProcess()
->VMManager()
@ -242,6 +245,8 @@ void MemoryManager::ReadBlock(GPUVAddr src_addr, void* dest_buffer, const std::s
switch (page_table.attributes[page_index]) {
case Common::PageType::Memory: {
const u8* src_ptr{page_table.pointers[page_index] + page_offset};
// Flush must happen on the rasterizer interface, such that memory is always synchronous
// when it is read (even when in asynchronous GPU mode). Fixes Dead Cells title menu.
rasterizer.FlushRegion(ToCacheAddr(src_ptr), copy_amount);
std::memcpy(dest_buffer, src_ptr, copy_amount);
break;
@ -292,6 +297,8 @@ void MemoryManager::WriteBlock(GPUVAddr dest_addr, const void* src_buffer, const
switch (page_table.attributes[page_index]) {
case Common::PageType::Memory: {
u8* dest_ptr{page_table.pointers[page_index] + page_offset};
// Invalidate must happen on the rasterizer interface, such that memory is always
// synchronous when it is written (even when in asynchronous GPU mode).
rasterizer.InvalidateRegion(ToCacheAddr(dest_ptr), copy_amount);
std::memcpy(dest_ptr, src_buffer, copy_amount);
break;
@ -339,6 +346,8 @@ void MemoryManager::CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, const std::
switch (page_table.attributes[page_index]) {
case Common::PageType::Memory: {
// Flush must happen on the rasterizer interface, such that memory is always synchronous
// when it is copied (even when in asynchronous GPU mode).
const u8* src_ptr{page_table.pointers[page_index] + page_offset};
rasterizer.FlushRegion(ToCacheAddr(src_ptr), copy_amount);
WriteBlock(dest_addr, src_ptr, copy_amount);