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https://github.com/yuzu-mirror/yuzu.git
synced 2024-08-31 23:59:08 +01:00
MemoryManager: use fastmem directly.
This commit is contained in:
parent
6c7eb81f7d
commit
af5ecb0b15
3 changed files with 34 additions and 11 deletions
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@ -436,7 +436,7 @@ struct Memory::Impl {
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}
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}
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if (Settings::IsFastmemEnabled()) {
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if (Settings::IsFastmemEnabled()) {
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const bool is_read_enable = Settings::IsGPULevelHigh() || !cached;
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const bool is_read_enable = !Settings::IsGPULevelExtreme() || !cached;
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system.DeviceMemory().buffer.Protect(vaddr, size, is_read_enable, !cached);
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system.DeviceMemory().buffer.Protect(vaddr, size, is_read_enable, !cached);
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}
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}
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@ -6,6 +6,7 @@
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#include "common/alignment.h"
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#include "common/alignment.h"
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#include "common/assert.h"
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#include "common/assert.h"
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#include "common/logging/log.h"
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#include "common/logging/log.h"
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#include "common/settings.h"
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#include "core/core.h"
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#include "core/core.h"
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#include "core/device_memory.h"
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#include "core/device_memory.h"
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#include "core/hle/kernel/k_page_table.h"
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#include "core/hle/kernel/k_page_table.h"
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@ -45,6 +46,11 @@ MemoryManager::MemoryManager(Core::System& system_, u64 address_space_bits_, u64
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big_page_table_cpu.resize(big_page_table_size);
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big_page_table_cpu.resize(big_page_table_size);
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big_page_continous.resize(big_page_table_size / continous_bits, 0);
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big_page_continous.resize(big_page_table_size / continous_bits, 0);
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entries.resize(page_table_size / 32, 0);
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entries.resize(page_table_size / 32, 0);
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if (!Settings::IsGPULevelExtreme()) {
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fastmem_arena = system.DeviceMemory().buffer.VirtualBasePointer();
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} else {
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fastmem_arena = nullptr;
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}
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}
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}
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MemoryManager::~MemoryManager() = default;
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MemoryManager::~MemoryManager() = default;
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@ -354,7 +360,7 @@ inline void MemoryManager::MemoryOperation(GPUVAddr gpu_src_addr, std::size_t si
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}
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}
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}
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}
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template <bool is_safe>
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template <bool is_safe, bool use_fastmem>
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void MemoryManager::ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
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void MemoryManager::ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
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[[maybe_unused]] VideoCommon::CacheType which) const {
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[[maybe_unused]] VideoCommon::CacheType which) const {
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auto set_to_zero = [&]([[maybe_unused]] std::size_t page_index,
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auto set_to_zero = [&]([[maybe_unused]] std::size_t page_index,
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@ -368,8 +374,12 @@ void MemoryManager::ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std:
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if constexpr (is_safe) {
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if constexpr (is_safe) {
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rasterizer->FlushRegion(cpu_addr_base, copy_amount, which);
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rasterizer->FlushRegion(cpu_addr_base, copy_amount, which);
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}
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}
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if constexpr (use_fastmem) {
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std::memcpy(dest_buffer, &fastmem_arena[cpu_addr_base], copy_amount);
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} else {
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u8* physical = memory.GetPointer(cpu_addr_base);
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u8* physical = memory.GetPointer(cpu_addr_base);
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std::memcpy(dest_buffer, physical, copy_amount);
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std::memcpy(dest_buffer, physical, copy_amount);
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}
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dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
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dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
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};
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};
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auto mapped_big = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
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auto mapped_big = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
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@ -378,12 +388,16 @@ void MemoryManager::ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std:
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if constexpr (is_safe) {
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if constexpr (is_safe) {
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rasterizer->FlushRegion(cpu_addr_base, copy_amount, which);
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rasterizer->FlushRegion(cpu_addr_base, copy_amount, which);
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}
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}
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if constexpr (use_fastmem) {
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std::memcpy(dest_buffer, &fastmem_arena[cpu_addr_base], copy_amount);
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} else {
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if (!IsBigPageContinous(page_index)) [[unlikely]] {
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if (!IsBigPageContinous(page_index)) [[unlikely]] {
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memory.ReadBlockUnsafe(cpu_addr_base, dest_buffer, copy_amount);
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memory.ReadBlockUnsafe(cpu_addr_base, dest_buffer, copy_amount);
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} else {
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} else {
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u8* physical = memory.GetPointer(cpu_addr_base);
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u8* physical = memory.GetPointer(cpu_addr_base);
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std::memcpy(dest_buffer, physical, copy_amount);
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std::memcpy(dest_buffer, physical, copy_amount);
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}
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}
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}
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dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
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dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
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};
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};
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auto read_short_pages = [&](std::size_t page_index, std::size_t offset,
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auto read_short_pages = [&](std::size_t page_index, std::size_t offset,
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@ -396,12 +410,20 @@ void MemoryManager::ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std:
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void MemoryManager::ReadBlock(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
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void MemoryManager::ReadBlock(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
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VideoCommon::CacheType which) const {
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VideoCommon::CacheType which) const {
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ReadBlockImpl<true>(gpu_src_addr, dest_buffer, size, which);
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if (fastmem_arena) [[likely]] {
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ReadBlockImpl<true, true>(gpu_src_addr, dest_buffer, size, which);
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return;
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}
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ReadBlockImpl<true, false>(gpu_src_addr, dest_buffer, size, which);
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}
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}
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void MemoryManager::ReadBlockUnsafe(GPUVAddr gpu_src_addr, void* dest_buffer,
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void MemoryManager::ReadBlockUnsafe(GPUVAddr gpu_src_addr, void* dest_buffer,
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const std::size_t size) const {
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const std::size_t size) const {
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ReadBlockImpl<false>(gpu_src_addr, dest_buffer, size, VideoCommon::CacheType::None);
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if (fastmem_arena) [[likely]] {
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ReadBlockImpl<false, true>(gpu_src_addr, dest_buffer, size, VideoCommon::CacheType::None);
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return;
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}
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ReadBlockImpl<false, false>(gpu_src_addr, dest_buffer, size, VideoCommon::CacheType::None);
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}
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}
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template <bool is_safe>
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template <bool is_safe>
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@ -141,7 +141,7 @@ private:
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inline void MemoryOperation(GPUVAddr gpu_src_addr, std::size_t size, FuncMapped&& func_mapped,
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inline void MemoryOperation(GPUVAddr gpu_src_addr, std::size_t size, FuncMapped&& func_mapped,
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FuncReserved&& func_reserved, FuncUnmapped&& func_unmapped) const;
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FuncReserved&& func_reserved, FuncUnmapped&& func_unmapped) const;
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template <bool is_safe>
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template <bool is_safe, bool use_fastmem>
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void ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
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void ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
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VideoCommon::CacheType which) const;
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VideoCommon::CacheType which) const;
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@ -215,6 +215,7 @@ private:
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std::vector<u64> big_page_continous;
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std::vector<u64> big_page_continous;
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std::vector<std::pair<VAddr, std::size_t>> page_stash{};
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std::vector<std::pair<VAddr, std::size_t>> page_stash{};
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u8* fastmem_arena{};
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constexpr static size_t continous_bits = 64;
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constexpr static size_t continous_bits = 64;
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