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authorFernando Sahmkow <fsahmkow27@gmail.com>2023-01-05 12:06:33 +0100
committerFernando Sahmkow <fsahmkow27@gmail.com>2023-01-05 12:06:33 +0100
commitaf5ecb0b15d4449f58434e70eed835cf71fc5527 (patch)
tree668943cf63ff7dd94fcbbea26dcf321863e9a54a /src/video_core
parentvideo_core: Cache GPU internal writes. (diff)
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Diffstat (limited to 'src/video_core')
-rw-r--r--src/video_core/memory_manager.cpp40
-rw-r--r--src/video_core/memory_manager.h3
2 files changed, 33 insertions, 10 deletions
diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp
index 83924475b..0a6390054 100644
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -6,6 +6,7 @@
#include "common/alignment.h"
#include "common/assert.h"
#include "common/logging/log.h"
+#include "common/settings.h"
#include "core/core.h"
#include "core/device_memory.h"
#include "core/hle/kernel/k_page_table.h"
@@ -45,6 +46,11 @@ MemoryManager::MemoryManager(Core::System& system_, u64 address_space_bits_, u64
big_page_table_cpu.resize(big_page_table_size);
big_page_continous.resize(big_page_table_size / continous_bits, 0);
entries.resize(page_table_size / 32, 0);
+ if (!Settings::IsGPULevelExtreme()) {
+ fastmem_arena = system.DeviceMemory().buffer.VirtualBasePointer();
+ } else {
+ fastmem_arena = nullptr;
+ }
}
MemoryManager::~MemoryManager() = default;
@@ -354,7 +360,7 @@ inline void MemoryManager::MemoryOperation(GPUVAddr gpu_src_addr, std::size_t si
}
}
-template <bool is_safe>
+template <bool is_safe, bool use_fastmem>
void MemoryManager::ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
[[maybe_unused]] VideoCommon::CacheType which) const {
auto set_to_zero = [&]([[maybe_unused]] std::size_t page_index,
@@ -368,8 +374,12 @@ void MemoryManager::ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std:
if constexpr (is_safe) {
rasterizer->FlushRegion(cpu_addr_base, copy_amount, which);
}
- u8* physical = memory.GetPointer(cpu_addr_base);
- std::memcpy(dest_buffer, physical, copy_amount);
+ if constexpr (use_fastmem) {
+ std::memcpy(dest_buffer, &fastmem_arena[cpu_addr_base], copy_amount);
+ } else {
+ u8* physical = memory.GetPointer(cpu_addr_base);
+ std::memcpy(dest_buffer, physical, copy_amount);
+ }
dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
};
auto mapped_big = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
@@ -378,11 +388,15 @@ void MemoryManager::ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std:
if constexpr (is_safe) {
rasterizer->FlushRegion(cpu_addr_base, copy_amount, which);
}
- if (!IsBigPageContinous(page_index)) [[unlikely]] {
- memory.ReadBlockUnsafe(cpu_addr_base, dest_buffer, copy_amount);
+ if constexpr (use_fastmem) {
+ std::memcpy(dest_buffer, &fastmem_arena[cpu_addr_base], copy_amount);
} else {
- u8* physical = memory.GetPointer(cpu_addr_base);
- std::memcpy(dest_buffer, physical, copy_amount);
+ if (!IsBigPageContinous(page_index)) [[unlikely]] {
+ memory.ReadBlockUnsafe(cpu_addr_base, dest_buffer, copy_amount);
+ } else {
+ u8* physical = memory.GetPointer(cpu_addr_base);
+ std::memcpy(dest_buffer, physical, copy_amount);
+ }
}
dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
};
@@ -396,12 +410,20 @@ void MemoryManager::ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std:
void MemoryManager::ReadBlock(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
VideoCommon::CacheType which) const {
- ReadBlockImpl<true>(gpu_src_addr, dest_buffer, size, which);
+ if (fastmem_arena) [[likely]] {
+ ReadBlockImpl<true, true>(gpu_src_addr, dest_buffer, size, which);
+ return;
+ }
+ ReadBlockImpl<true, false>(gpu_src_addr, dest_buffer, size, which);
}
void MemoryManager::ReadBlockUnsafe(GPUVAddr gpu_src_addr, void* dest_buffer,
const std::size_t size) const {
- ReadBlockImpl<false>(gpu_src_addr, dest_buffer, size, VideoCommon::CacheType::None);
+ if (fastmem_arena) [[likely]] {
+ ReadBlockImpl<false, true>(gpu_src_addr, dest_buffer, size, VideoCommon::CacheType::None);
+ return;
+ }
+ ReadBlockImpl<false, false>(gpu_src_addr, dest_buffer, size, VideoCommon::CacheType::None);
}
template <bool is_safe>
diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h
index e6de0d0cb..ff9e3c0b3 100644
--- a/src/video_core/memory_manager.h
+++ b/src/video_core/memory_manager.h
@@ -141,7 +141,7 @@ private:
inline void MemoryOperation(GPUVAddr gpu_src_addr, std::size_t size, FuncMapped&& func_mapped,
FuncReserved&& func_reserved, FuncUnmapped&& func_unmapped) const;
- template <bool is_safe>
+ template <bool is_safe, bool use_fastmem>
void ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
VideoCommon::CacheType which) const;
@@ -215,6 +215,7 @@ private:
std::vector<u64> big_page_continous;
std::vector<std::pair<VAddr, std::size_t>> page_stash{};
+ u8* fastmem_arena{};
constexpr static size_t continous_bits = 64;