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Merge pull request #2783 from FernandoS27/new-buffer-cache
Implement a New LLE Buffer Cache
This commit is contained in:
bunnei
GitHub
commit
e424615839
@ -1,5 +1,7 @@
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add_library(video_core STATIC
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buffer_cache.h
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buffer_cache/buffer_block.h
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buffer_cache/buffer_cache.h
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buffer_cache/map_interval.h
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dma_pusher.cpp
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dma_pusher.h
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debug_utils/debug_utils.cpp
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@ -1,299 +0,0 @@
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <memory>
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#include <mutex>
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#include <unordered_map>
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#include <unordered_set>
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#include <utility>
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#include <vector>
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#include "common/alignment.h"
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#include "common/common_types.h"
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#include "core/core.h"
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#include "video_core/memory_manager.h"
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#include "video_core/rasterizer_cache.h"
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namespace VideoCore {
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class RasterizerInterface;
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}
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namespace VideoCommon {
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template <typename BufferStorageType>
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class CachedBuffer final : public RasterizerCacheObject {
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public:
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explicit CachedBuffer(VAddr cpu_addr, u8* host_ptr)
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: RasterizerCacheObject{host_ptr}, host_ptr{host_ptr}, cpu_addr{cpu_addr} {}
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~CachedBuffer() override = default;
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VAddr GetCpuAddr() const override {
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return cpu_addr;
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}
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std::size_t GetSizeInBytes() const override {
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return size;
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}
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u8* GetWritableHostPtr() const {
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return host_ptr;
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}
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std::size_t GetSize() const {
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return size;
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}
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std::size_t GetCapacity() const {
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return capacity;
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}
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bool IsInternalized() const {
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return is_internal;
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}
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const BufferStorageType& GetBuffer() const {
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return buffer;
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}
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void SetSize(std::size_t new_size) {
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size = new_size;
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}
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void SetInternalState(bool is_internal_) {
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is_internal = is_internal_;
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}
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BufferStorageType ExchangeBuffer(BufferStorageType buffer_, std::size_t new_capacity) {
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capacity = new_capacity;
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std::swap(buffer, buffer_);
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return buffer_;
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}
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private:
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u8* host_ptr{};
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VAddr cpu_addr{};
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std::size_t size{};
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std::size_t capacity{};
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bool is_internal{};
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BufferStorageType buffer;
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};
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template <typename BufferStorageType, typename BufferType, typename StreamBuffer>
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class BufferCache : public RasterizerCache<std::shared_ptr<CachedBuffer<BufferStorageType>>> {
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public:
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using Buffer = std::shared_ptr<CachedBuffer<BufferStorageType>>;
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using BufferInfo = std::pair<const BufferType*, u64>;
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explicit BufferCache(VideoCore::RasterizerInterface& rasterizer, Core::System& system,
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std::unique_ptr<StreamBuffer> stream_buffer)
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: RasterizerCache<Buffer>{rasterizer}, system{system},
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stream_buffer{std::move(stream_buffer)}, stream_buffer_handle{
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this->stream_buffer->GetHandle()} {}
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~BufferCache() = default;
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void Unregister(const Buffer& entry) override {
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std::lock_guard lock{RasterizerCache<Buffer>::mutex};
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if (entry->IsInternalized()) {
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internalized_entries.erase(entry->GetCacheAddr());
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}
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ReserveBuffer(entry);
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RasterizerCache<Buffer>::Unregister(entry);
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}
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void TickFrame() {
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marked_for_destruction_index =
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(marked_for_destruction_index + 1) % marked_for_destruction_ring_buffer.size();
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MarkedForDestruction().clear();
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}
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BufferInfo UploadMemory(GPUVAddr gpu_addr, std::size_t size, std::size_t alignment = 4,
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bool internalize = false, bool is_written = false) {
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std::lock_guard lock{RasterizerCache<Buffer>::mutex};
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auto& memory_manager = system.GPU().MemoryManager();
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const auto host_ptr = memory_manager.GetPointer(gpu_addr);
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if (!host_ptr) {
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return {GetEmptyBuffer(size), 0};
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}
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const auto cache_addr = ToCacheAddr(host_ptr);
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// Cache management is a big overhead, so only cache entries with a given size.
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// TODO: Figure out which size is the best for given games.
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constexpr std::size_t max_stream_size = 0x800;
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if (!internalize && size < max_stream_size &&
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internalized_entries.find(cache_addr) == internalized_entries.end()) {
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return StreamBufferUpload(host_ptr, size, alignment);
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}
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auto entry = RasterizerCache<Buffer>::TryGet(cache_addr);
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if (!entry) {
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return FixedBufferUpload(gpu_addr, host_ptr, size, internalize, is_written);
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}
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if (entry->GetSize() < size) {
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IncreaseBufferSize(entry, size);
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}
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if (is_written) {
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entry->MarkAsModified(true, *this);
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}
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return {ToHandle(entry->GetBuffer()), 0};
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}
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/// Uploads from a host memory. Returns the OpenGL buffer where it's located and its offset.
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BufferInfo UploadHostMemory(const void* raw_pointer, std::size_t size,
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std::size_t alignment = 4) {
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std::lock_guard lock{RasterizerCache<Buffer>::mutex};
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return StreamBufferUpload(raw_pointer, size, alignment);
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}
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void Map(std::size_t max_size) {
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std::tie(buffer_ptr, buffer_offset_base, invalidated) = stream_buffer->Map(max_size, 4);
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buffer_offset = buffer_offset_base;
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}
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/// Finishes the upload stream, returns true on bindings invalidation.
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bool Unmap() {
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stream_buffer->Unmap(buffer_offset - buffer_offset_base);
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return std::exchange(invalidated, false);
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}
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virtual const BufferType* GetEmptyBuffer(std::size_t size) = 0;
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protected:
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void FlushObjectInner(const Buffer& entry) override {
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DownloadBufferData(entry->GetBuffer(), 0, entry->GetSize(), entry->GetWritableHostPtr());
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}
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virtual BufferStorageType CreateBuffer(std::size_t size) = 0;
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virtual const BufferType* ToHandle(const BufferStorageType& storage) = 0;
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virtual void UploadBufferData(const BufferStorageType& buffer, std::size_t offset,
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std::size_t size, const u8* data) = 0;
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virtual void DownloadBufferData(const BufferStorageType& buffer, std::size_t offset,
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std::size_t size, u8* data) = 0;
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virtual void CopyBufferData(const BufferStorageType& src, const BufferStorageType& dst,
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std::size_t src_offset, std::size_t dst_offset,
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std::size_t size) = 0;
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private:
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BufferInfo StreamBufferUpload(const void* raw_pointer, std::size_t size,
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std::size_t alignment) {
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AlignBuffer(alignment);
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const std::size_t uploaded_offset = buffer_offset;
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std::memcpy(buffer_ptr, raw_pointer, size);
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buffer_ptr += size;
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buffer_offset += size;
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return {&stream_buffer_handle, uploaded_offset};
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}
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BufferInfo FixedBufferUpload(GPUVAddr gpu_addr, u8* host_ptr, std::size_t size,
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bool internalize, bool is_written) {
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auto& memory_manager = Core::System::GetInstance().GPU().MemoryManager();
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const auto cpu_addr = memory_manager.GpuToCpuAddress(gpu_addr);
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ASSERT(cpu_addr);
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auto entry = GetUncachedBuffer(*cpu_addr, host_ptr);
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entry->SetSize(size);
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entry->SetInternalState(internalize);
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RasterizerCache<Buffer>::Register(entry);
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if (internalize) {
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internalized_entries.emplace(ToCacheAddr(host_ptr));
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}
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if (is_written) {
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entry->MarkAsModified(true, *this);
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}
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if (entry->GetCapacity() < size) {
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MarkedForDestruction().push_back(entry->ExchangeBuffer(CreateBuffer(size), size));
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}
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UploadBufferData(entry->GetBuffer(), 0, size, host_ptr);
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return {ToHandle(entry->GetBuffer()), 0};
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}
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void IncreaseBufferSize(Buffer& entry, std::size_t new_size) {
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const std::size_t old_size = entry->GetSize();
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if (entry->GetCapacity() < new_size) {
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const auto& old_buffer = entry->GetBuffer();
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auto new_buffer = CreateBuffer(new_size);
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// Copy bits from the old buffer to the new buffer.
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CopyBufferData(old_buffer, new_buffer, 0, 0, old_size);
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MarkedForDestruction().push_back(
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entry->ExchangeBuffer(std::move(new_buffer), new_size));
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// This buffer could have been used
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invalidated = true;
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}
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// Upload the new bits.
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const std::size_t size_diff = new_size - old_size;
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UploadBufferData(entry->GetBuffer(), old_size, size_diff, entry->GetHostPtr() + old_size);
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// Update entry's size in the object and in the cache.
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Unregister(entry);
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entry->SetSize(new_size);
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RasterizerCache<Buffer>::Register(entry);
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}
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Buffer GetUncachedBuffer(VAddr cpu_addr, u8* host_ptr) {
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if (auto entry = TryGetReservedBuffer(host_ptr)) {
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return entry;
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}
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return std::make_shared<CachedBuffer<BufferStorageType>>(cpu_addr, host_ptr);
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}
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Buffer TryGetReservedBuffer(u8* host_ptr) {
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const auto it = buffer_reserve.find(ToCacheAddr(host_ptr));
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if (it == buffer_reserve.end()) {
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return {};
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}
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auto& reserve = it->second;
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auto entry = reserve.back();
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reserve.pop_back();
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return entry;
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}
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void ReserveBuffer(Buffer entry) {
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buffer_reserve[entry->GetCacheAddr()].push_back(std::move(entry));
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}
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void AlignBuffer(std::size_t alignment) {
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// Align the offset, not the mapped pointer
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const std::size_t offset_aligned = Common::AlignUp(buffer_offset, alignment);
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buffer_ptr += offset_aligned - buffer_offset;
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buffer_offset = offset_aligned;
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}
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std::vector<BufferStorageType>& MarkedForDestruction() {
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return marked_for_destruction_ring_buffer[marked_for_destruction_index];
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}
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Core::System& system;
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std::unique_ptr<StreamBuffer> stream_buffer;
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BufferType stream_buffer_handle{};
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bool invalidated = false;
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u8* buffer_ptr = nullptr;
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u64 buffer_offset = 0;
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u64 buffer_offset_base = 0;
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std::size_t marked_for_destruction_index = 0;
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std::array<std::vector<BufferStorageType>, 4> marked_for_destruction_ring_buffer;
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std::unordered_set<CacheAddr> internalized_entries;
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std::unordered_map<CacheAddr, std::vector<Buffer>> buffer_reserve;
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};
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} // namespace VideoCommon
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77
src/video_core/buffer_cache/buffer_block.h
Normal file
77
src/video_core/buffer_cache/buffer_block.h
Normal file
@ -0,0 +1,77 @@
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <unordered_set>
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#include <utility>
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#include "common/alignment.h"
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#include "common/common_types.h"
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#include "video_core/gpu.h"
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namespace VideoCommon {
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class BufferBlock {
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public:
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bool Overlaps(const CacheAddr start, const CacheAddr end) const {
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return (cache_addr < end) && (cache_addr_end > start);
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}
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bool IsInside(const CacheAddr other_start, const CacheAddr other_end) const {
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return cache_addr <= other_start && other_end <= cache_addr_end;
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}
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u8* GetWritableHostPtr() const {
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return FromCacheAddr(cache_addr);
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}
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u8* GetWritableHostPtr(std::size_t offset) const {
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return FromCacheAddr(cache_addr + offset);
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}
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std::size_t GetOffset(const CacheAddr in_addr) {
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return static_cast<std::size_t>(in_addr - cache_addr);
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}
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CacheAddr GetCacheAddr() const {
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return cache_addr;
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}
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CacheAddr GetCacheAddrEnd() const {
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return cache_addr_end;
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}
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void SetCacheAddr(const CacheAddr new_addr) {
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cache_addr = new_addr;
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cache_addr_end = new_addr + size;
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}
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std::size_t GetSize() const {
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return size;
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}
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void SetEpoch(u64 new_epoch) {
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epoch = new_epoch;
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}
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u64 GetEpoch() {
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return epoch;
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}
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protected:
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explicit BufferBlock(CacheAddr cache_addr, const std::size_t size) : size{size} {
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SetCacheAddr(cache_addr);
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}
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~BufferBlock() = default;
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private:
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CacheAddr cache_addr{};
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CacheAddr cache_addr_end{};
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u64 pages{};
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std::size_t size{};
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u64 epoch{};
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};
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} // namespace VideoCommon
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449
src/video_core/buffer_cache/buffer_cache.h
Normal file
449
src/video_core/buffer_cache/buffer_cache.h
Normal file
@ -0,0 +1,449 @@
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <memory>
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#include <mutex>
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#include <unordered_map>
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#include <unordered_set>
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#include <utility>
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#include <vector>
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#include "common/alignment.h"
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#include "common/common_types.h"
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#include "core/core.h"
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#include "video_core/buffer_cache/buffer_block.h"
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#include "video_core/buffer_cache/map_interval.h"
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#include "video_core/memory_manager.h"
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namespace VideoCore {
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class RasterizerInterface;
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}
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namespace VideoCommon {
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using MapInterval = std::shared_ptr<MapIntervalBase>;
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template <typename TBuffer, typename TBufferType, typename StreamBuffer>
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class BufferCache {
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public:
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using BufferInfo = std::pair<const TBufferType*, u64>;
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BufferInfo UploadMemory(GPUVAddr gpu_addr, std::size_t size, std::size_t alignment = 4,
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bool is_written = false) {
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std::lock_guard lock{mutex};
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auto& memory_manager = system.GPU().MemoryManager();
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const auto host_ptr = memory_manager.GetPointer(gpu_addr);
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if (!host_ptr) {
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return {GetEmptyBuffer(size), 0};
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}
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const auto cache_addr = ToCacheAddr(host_ptr);
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// Cache management is a big overhead, so only cache entries with a given size.
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// TODO: Figure out which size is the best for given games.
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constexpr std::size_t max_stream_size = 0x800;
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if (size < max_stream_size) {
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if (!is_written && !IsRegionWritten(cache_addr, cache_addr + size - 1)) {
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return StreamBufferUpload(host_ptr, size, alignment);
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}
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}
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auto block = GetBlock(cache_addr, size);
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auto map = MapAddress(block, gpu_addr, cache_addr, size);
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if (is_written) {
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map->MarkAsModified(true, GetModifiedTicks());
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if (!map->IsWritten()) {
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map->MarkAsWritten(true);
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MarkRegionAsWritten(map->GetStart(), map->GetEnd() - 1);
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}
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} else {
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if (map->IsWritten()) {
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WriteBarrier();
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}
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}
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const u64 offset = static_cast<u64>(block->GetOffset(cache_addr));
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return {ToHandle(block), offset};
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}
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/// Uploads from a host memory. Returns the OpenGL buffer where it's located and its offset.
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BufferInfo UploadHostMemory(const void* raw_pointer, std::size_t size,
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std::size_t alignment = 4) {
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std::lock_guard lock{mutex};
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return StreamBufferUpload(raw_pointer, size, alignment);
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}
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void Map(std::size_t max_size) {
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std::lock_guard lock{mutex};
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std::tie(buffer_ptr, buffer_offset_base, invalidated) = stream_buffer->Map(max_size, 4);
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buffer_offset = buffer_offset_base;
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}
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/// Finishes the upload stream, returns true on bindings invalidation.
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bool Unmap() {
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std::lock_guard lock{mutex};
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stream_buffer->Unmap(buffer_offset - buffer_offset_base);
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return std::exchange(invalidated, false);
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}
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void TickFrame() {
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++epoch;
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while (!pending_destruction.empty()) {
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if (pending_destruction.front()->GetEpoch() + 1 > epoch) {
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break;
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}
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pending_destruction.pop_front();
|
||||
}
|
||||
}
|
||||
|
||||
/// Write any cached resources overlapping the specified region back to memory
|
||||
void FlushRegion(CacheAddr addr, std::size_t size) {
|
||||
std::lock_guard lock{mutex};
|
||||
|
||||
std::vector<MapInterval> objects = GetMapsInRange(addr, size);
|
||||
std::sort(objects.begin(), objects.end(), [](const MapInterval& a, const MapInterval& b) {
|
||||
return a->GetModificationTick() < b->GetModificationTick();
|
||||
});
|
||||
for (auto& object : objects) {
|
||||
if (object->IsModified() && object->IsRegistered()) {
|
||||
FlushMap(object);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Mark the specified region as being invalidated
|
||||
void InvalidateRegion(CacheAddr addr, u64 size) {
|
||||
std::lock_guard lock{mutex};
|
||||
|
||||
std::vector<MapInterval> objects = GetMapsInRange(addr, size);
|
||||
for (auto& object : objects) {
|
||||
if (object->IsRegistered()) {
|
||||
Unregister(object);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
virtual const TBufferType* GetEmptyBuffer(std::size_t size) = 0;
|
||||
|
||||
protected:
|
||||
explicit BufferCache(VideoCore::RasterizerInterface& rasterizer, Core::System& system,
|
||||
std::unique_ptr<StreamBuffer> stream_buffer)
|
||||
: rasterizer{rasterizer}, system{system}, stream_buffer{std::move(stream_buffer)},
|
||||
stream_buffer_handle{this->stream_buffer->GetHandle()} {}
|
||||
|
||||
~BufferCache() = default;
|
||||
|
||||
virtual const TBufferType* ToHandle(const TBuffer& storage) = 0;
|
||||
|
||||
virtual void WriteBarrier() = 0;
|
||||
|
||||
virtual TBuffer CreateBlock(CacheAddr cache_addr, std::size_t size) = 0;
|
||||
|
||||
virtual void UploadBlockData(const TBuffer& buffer, std::size_t offset, std::size_t size,
|
||||
const u8* data) = 0;
|
||||
|
||||
virtual void DownloadBlockData(const TBuffer& buffer, std::size_t offset, std::size_t size,
|
||||
u8* data) = 0;
|
||||
|
||||
virtual void CopyBlock(const TBuffer& src, const TBuffer& dst, std::size_t src_offset,
|
||||
std::size_t dst_offset, std::size_t size) = 0;
|
||||
|
||||
/// Register an object into the cache
|
||||
void Register(const MapInterval& new_map, bool inherit_written = false) {
|
||||
const CacheAddr cache_ptr = new_map->GetStart();
|
||||
const std::optional<VAddr> cpu_addr =
|
||||
system.GPU().MemoryManager().GpuToCpuAddress(new_map->GetGpuAddress());
|
||||
if (!cache_ptr || !cpu_addr) {
|
||||
LOG_CRITICAL(HW_GPU, "Failed to register buffer with unmapped gpu_address 0x{:016x}",
|
||||
new_map->GetGpuAddress());
|
||||
return;
|
||||
}
|
||||
const std::size_t size = new_map->GetEnd() - new_map->GetStart();
|
||||
new_map->SetCpuAddress(*cpu_addr);
|
||||
new_map->MarkAsRegistered(true);
|
||||
const IntervalType interval{new_map->GetStart(), new_map->GetEnd()};
|
||||
mapped_addresses.insert({interval, new_map});
|
||||
rasterizer.UpdatePagesCachedCount(*cpu_addr, size, 1);
|
||||
if (inherit_written) {
|
||||
MarkRegionAsWritten(new_map->GetStart(), new_map->GetEnd() - 1);
|
||||
new_map->MarkAsWritten(true);
|
||||
}
|
||||
}
|
||||
|
||||
/// Unregisters an object from the cache
|
||||
void Unregister(MapInterval& map) {
|
||||
const std::size_t size = map->GetEnd() - map->GetStart();
|
||||
rasterizer.UpdatePagesCachedCount(map->GetCpuAddress(), size, -1);
|
||||
map->MarkAsRegistered(false);
|
||||
if (map->IsWritten()) {
|
||||
UnmarkRegionAsWritten(map->GetStart(), map->GetEnd() - 1);
|
||||
}
|
||||
const IntervalType delete_interval{map->GetStart(), map->GetEnd()};
|
||||
mapped_addresses.erase(delete_interval);
|
||||
}
|
||||
|
||||
private:
|
||||
MapInterval CreateMap(const CacheAddr start, const CacheAddr end, const GPUVAddr gpu_addr) {
|
||||
return std::make_shared<MapIntervalBase>(start, end, gpu_addr);
|
||||
}
|
||||
|
||||
MapInterval MapAddress(const TBuffer& block, const GPUVAddr gpu_addr,
|
||||
const CacheAddr cache_addr, const std::size_t size) {
|
||||
|
||||
std::vector<MapInterval> overlaps = GetMapsInRange(cache_addr, size);
|
||||
if (overlaps.empty()) {
|
||||
const CacheAddr cache_addr_end = cache_addr + size;
|
||||
MapInterval new_map = CreateMap(cache_addr, cache_addr_end, gpu_addr);
|
||||
u8* host_ptr = FromCacheAddr(cache_addr);
|
||||
UploadBlockData(block, block->GetOffset(cache_addr), size, host_ptr);
|
||||
Register(new_map);
|
||||
return new_map;
|
||||
}
|
||||
|
||||
const CacheAddr cache_addr_end = cache_addr + size;
|
||||
if (overlaps.size() == 1) {
|
||||
MapInterval& current_map = overlaps[0];
|
||||
if (current_map->IsInside(cache_addr, cache_addr_end)) {
|
||||
return current_map;
|
||||
}
|
||||
}
|
||||
CacheAddr new_start = cache_addr;
|
||||
CacheAddr new_end = cache_addr_end;
|
||||
bool write_inheritance = false;
|
||||
bool modified_inheritance = false;
|
||||
// Calculate new buffer parameters
|
||||
for (auto& overlap : overlaps) {
|
||||
new_start = std::min(overlap->GetStart(), new_start);
|
||||
new_end = std::max(overlap->GetEnd(), new_end);
|
||||
write_inheritance |= overlap->IsWritten();
|
||||
modified_inheritance |= overlap->IsModified();
|
||||
}
|
||||
GPUVAddr new_gpu_addr = gpu_addr + new_start - cache_addr;
|
||||
for (auto& overlap : overlaps) {
|
||||
Unregister(overlap);
|
||||
}
|
||||
UpdateBlock(block, new_start, new_end, overlaps);
|
||||
MapInterval new_map = CreateMap(new_start, new_end, new_gpu_addr);
|
||||
if (modified_inheritance) {
|
||||
new_map->MarkAsModified(true, GetModifiedTicks());
|
||||
}
|
||||
Register(new_map, write_inheritance);
|
||||
return new_map;
|
||||
}
|
||||
|
||||
void UpdateBlock(const TBuffer& block, CacheAddr start, CacheAddr end,
|
||||
std::vector<MapInterval>& overlaps) {
|
||||
const IntervalType base_interval{start, end};
|
||||
IntervalSet interval_set{};
|
||||
interval_set.add(base_interval);
|
||||
for (auto& overlap : overlaps) {
|
||||
const IntervalType subtract{overlap->GetStart(), overlap->GetEnd()};
|
||||
interval_set.subtract(subtract);
|
||||
}
|
||||
for (auto& interval : interval_set) {
|
||||
std::size_t size = interval.upper() - interval.lower();
|
||||
if (size > 0) {
|
||||
u8* host_ptr = FromCacheAddr(interval.lower());
|
||||
UploadBlockData(block, block->GetOffset(interval.lower()), size, host_ptr);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
std::vector<MapInterval> GetMapsInRange(CacheAddr addr, std::size_t size) {
|
||||
if (size == 0) {
|
||||
return {};
|
||||
}
|
||||
|
||||
std::vector<MapInterval> objects{};
|
||||
const IntervalType interval{addr, addr + size};
|
||||
for (auto& pair : boost::make_iterator_range(mapped_addresses.equal_range(interval))) {
|
||||
objects.push_back(pair.second);
|
||||
}
|
||||
|
||||
return objects;
|
||||
}
|
||||
|
||||
/// Returns a ticks counter used for tracking when cached objects were last modified
|
||||
u64 GetModifiedTicks() {
|
||||
return ++modified_ticks;
|
||||
}
|
||||
|
||||
void FlushMap(MapInterval map) {
|
||||
std::size_t size = map->GetEnd() - map->GetStart();
|
||||
TBuffer block = blocks[map->GetStart() >> block_page_bits];
|
||||
u8* host_ptr = FromCacheAddr(map->GetStart());
|
||||
DownloadBlockData(block, block->GetOffset(map->GetStart()), size, host_ptr);
|
||||
map->MarkAsModified(false, 0);
|
||||
}
|
||||
|
||||
BufferInfo StreamBufferUpload(const void* raw_pointer, std::size_t size,
|
||||
std::size_t alignment) {
|
||||
AlignBuffer(alignment);
|
||||
const std::size_t uploaded_offset = buffer_offset;
|
||||
std::memcpy(buffer_ptr, raw_pointer, size);
|
||||
|
||||
buffer_ptr += size;
|
||||
buffer_offset += size;
|
||||
return {&stream_buffer_handle, uploaded_offset};
|
||||
}
|
||||
|
||||
void AlignBuffer(std::size_t alignment) {
|
||||
// Align the offset, not the mapped pointer
|
||||
const std::size_t offset_aligned = Common::AlignUp(buffer_offset, alignment);
|
||||
buffer_ptr += offset_aligned - buffer_offset;
|
||||
buffer_offset = offset_aligned;
|
||||
}
|
||||
|
||||
TBuffer EnlargeBlock(TBuffer buffer) {
|
||||
const std::size_t old_size = buffer->GetSize();
|
||||
const std::size_t new_size = old_size + block_page_size;
|
||||
const CacheAddr cache_addr = buffer->GetCacheAddr();
|
||||
TBuffer new_buffer = CreateBlock(cache_addr, new_size);
|
||||
CopyBlock(buffer, new_buffer, 0, 0, old_size);
|
||||
buffer->SetEpoch(epoch);
|
||||
pending_destruction.push_back(buffer);
|
||||
const CacheAddr cache_addr_end = cache_addr + new_size - 1;
|
||||
u64 page_start = cache_addr >> block_page_bits;
|
||||
const u64 page_end = cache_addr_end >> block_page_bits;
|
||||
while (page_start <= page_end) {
|
||||
blocks[page_start] = new_buffer;
|
||||
++page_start;
|
||||
}
|
||||
return new_buffer;
|
||||
}
|
||||
|
||||
TBuffer MergeBlocks(TBuffer first, TBuffer second) {
|
||||
const std::size_t size_1 = first->GetSize();
|
||||
const std::size_t size_2 = second->GetSize();
|
||||
const CacheAddr first_addr = first->GetCacheAddr();
|
||||
const CacheAddr second_addr = second->GetCacheAddr();
|
||||
const CacheAddr new_addr = std::min(first_addr, second_addr);
|
||||
const std::size_t new_size = size_1 + size_2;
|
||||
TBuffer new_buffer = CreateBlock(new_addr, new_size);
|
||||
CopyBlock(first, new_buffer, 0, new_buffer->GetOffset(first_addr), size_1);
|
||||
CopyBlock(second, new_buffer, 0, new_buffer->GetOffset(second_addr), size_2);
|
||||
first->SetEpoch(epoch);
|
||||
second->SetEpoch(epoch);
|
||||
pending_destruction.push_back(first);
|
||||
pending_destruction.push_back(second);
|
||||
const CacheAddr cache_addr_end = new_addr + new_size - 1;
|
||||
u64 page_start = new_addr >> block_page_bits;
|
||||
const u64 page_end = cache_addr_end >> block_page_bits;
|
||||
while (page_start <= page_end) {
|
||||
blocks[page_start] = new_buffer;
|
||||
++page_start;
|
||||
}
|
||||
return new_buffer;
|
||||
}
|
||||
|
||||
TBuffer GetBlock(const CacheAddr cache_addr, const std::size_t size) {
|
||||
TBuffer found{};
|
||||
const CacheAddr cache_addr_end = cache_addr + size - 1;
|
||||
u64 page_start = cache_addr >> block_page_bits;
|
||||
const u64 page_end = cache_addr_end >> block_page_bits;
|
||||
const u64 num_pages = page_end - page_start + 1;
|
||||
while (page_start <= page_end) {
|
||||
auto it = blocks.find(page_start);
|
||||
if (it == blocks.end()) {
|
||||
if (found) {
|
||||
found = EnlargeBlock(found);
|
||||
} else {
|
||||
const CacheAddr start_addr = (page_start << block_page_bits);
|
||||
found = CreateBlock(start_addr, block_page_size);
|
||||
blocks[page_start] = found;
|
||||
}
|
||||
} else {
|
||||
if (found) {
|
||||
if (found == it->second) {
|
||||
++page_start;
|
||||
continue;
|
||||
}
|
||||
found = MergeBlocks(found, it->second);
|
||||
} else {
|
||||
found = it->second;
|
||||
}
|
||||
}
|
||||
++page_start;
|
||||
}
|
||||
return found;
|
||||
}
|
||||
|
||||
void MarkRegionAsWritten(const CacheAddr start, const CacheAddr end) {
|
||||
u64 page_start = start >> write_page_bit;
|
||||
const u64 page_end = end >> write_page_bit;
|
||||
while (page_start <= page_end) {
|
||||
auto it = written_pages.find(page_start);
|
||||
if (it != written_pages.end()) {
|
||||
it->second = it->second + 1;
|
||||
} else {
|
||||
written_pages[page_start] = 1;
|
||||
}
|
||||
page_start++;
|
||||
}
|
||||
}
|
||||
|
||||
void UnmarkRegionAsWritten(const CacheAddr start, const CacheAddr end) {
|
||||
u64 page_start = start >> write_page_bit;
|
||||
const u64 page_end = end >> write_page_bit;
|
||||
while (page_start <= page_end) {
|
||||
auto it = written_pages.find(page_start);
|
||||
if (it != written_pages.end()) {
|
||||
if (it->second > 1) {
|
||||
it->second = it->second - 1;
|
||||
} else {
|
||||
written_pages.erase(it);
|
||||
}
|
||||
}
|
||||
page_start++;
|
||||
}
|
||||
}
|
||||
|
||||
bool IsRegionWritten(const CacheAddr start, const CacheAddr end) const {
|
||||
u64 page_start = start >> write_page_bit;
|
||||
const u64 page_end = end >> write_page_bit;
|
||||
while (page_start <= page_end) {
|
||||
if (written_pages.count(page_start) > 0) {
|
||||
return true;
|
||||
}
|
||||
page_start++;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
std::unique_ptr<StreamBuffer> stream_buffer;
|
||||
TBufferType stream_buffer_handle{};
|
||||
|
||||
bool invalidated = false;
|
||||
|
||||
u8* buffer_ptr = nullptr;
|
||||
u64 buffer_offset = 0;
|
||||
u64 buffer_offset_base = 0;
|
||||
|
||||
using IntervalSet = boost::icl::interval_set<CacheAddr>;
|
||||
using IntervalCache = boost::icl::interval_map<CacheAddr, MapInterval>;
|
||||
using IntervalType = typename IntervalCache::interval_type;
|
||||
IntervalCache mapped_addresses{};
|
||||
|
||||
static constexpr u64 write_page_bit{11};
|
||||
std::unordered_map<u64, u32> written_pages{};
|
||||
|
||||
static constexpr u64 block_page_bits{21};
|
||||
static constexpr u64 block_page_size{1 << block_page_bits};
|
||||
std::unordered_map<u64, TBuffer> blocks{};
|
||||
|
||||
std::list<TBuffer> pending_destruction{};
|
||||
u64 epoch{};
|
||||
u64 modified_ticks{};
|
||||
VideoCore::RasterizerInterface& rasterizer;
|
||||
Core::System& system;
|
||||
std::recursive_mutex mutex;
|
||||
};
|
||||
|
||||
} // namespace VideoCommon
|
||||
89
src/video_core/buffer_cache/map_interval.h
Normal file
89
src/video_core/buffer_cache/map_interval.h
Normal file
@ -0,0 +1,89 @@
|
||||
// Copyright 2019 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "video_core/gpu.h"
|
||||
|
||||
namespace VideoCommon {
|
||||
|
||||
class MapIntervalBase {
|
||||
public:
|
||||
MapIntervalBase(const CacheAddr start, const CacheAddr end, const GPUVAddr gpu_addr)
|
||||
: start{start}, end{end}, gpu_addr{gpu_addr} {}
|
||||
|
||||
void SetCpuAddress(VAddr new_cpu_addr) {
|
||||
cpu_addr = new_cpu_addr;
|
||||
}
|
||||
|
||||
VAddr GetCpuAddress() const {
|
||||
return cpu_addr;
|
||||
}
|
||||
|
||||
GPUVAddr GetGpuAddress() const {
|
||||
return gpu_addr;
|
||||
}
|
||||
|
||||
bool IsInside(const CacheAddr other_start, const CacheAddr other_end) const {
|
||||
return (start <= other_start && other_end <= end);
|
||||
}
|
||||
|
||||
bool operator==(const MapIntervalBase& rhs) const {
|
||||
return std::tie(start, end) == std::tie(rhs.start, rhs.end);
|
||||
}
|
||||
|
||||
bool operator!=(const MapIntervalBase& rhs) const {
|
||||
return !operator==(rhs);
|
||||
}
|
||||
|
||||
void MarkAsRegistered(const bool registered) {
|
||||
is_registered = registered;
|
||||
}
|
||||
|
||||
bool IsRegistered() const {
|
||||
return is_registered;
|
||||
}
|
||||
|
||||
CacheAddr GetStart() const {
|
||||
return start;
|
||||
}
|
||||
|
||||
CacheAddr GetEnd() const {
|
||||
return end;
|
||||
}
|
||||
|
||||
void MarkAsModified(const bool is_modified_, const u64 tick) {
|
||||
is_modified = is_modified_;
|
||||
ticks = tick;
|
||||
}
|
||||
|
||||
bool IsModified() const {
|
||||
return is_modified;
|
||||
}
|
||||
|
||||
u64 GetModificationTick() const {
|
||||
return ticks;
|
||||
}
|
||||
|
||||
void MarkAsWritten(const bool is_written_) {
|
||||
is_written = is_written_;
|
||||
}
|
||||
|
||||
bool IsWritten() const {
|
||||
return is_written;
|
||||
}
|
||||
|
||||
private:
|
||||
CacheAddr start;
|
||||
CacheAddr end;
|
||||
GPUVAddr gpu_addr;
|
||||
VAddr cpu_addr{};
|
||||
bool is_written{};
|
||||
bool is_modified{};
|
||||
bool is_registered{};
|
||||
u64 ticks{};
|
||||
};
|
||||
|
||||
} // namespace VideoCommon
|
||||
@ -19,6 +19,10 @@ inline CacheAddr ToCacheAddr(const void* host_ptr) {
|
||||
return reinterpret_cast<CacheAddr>(host_ptr);
|
||||
}
|
||||
|
||||
inline u8* FromCacheAddr(CacheAddr cache_addr) {
|
||||
return reinterpret_cast<u8*>(cache_addr);
|
||||
}
|
||||
|
||||
namespace Core {
|
||||
class System;
|
||||
}
|
||||
|
||||
@ -7,28 +7,40 @@
|
||||
#include <glad/glad.h>
|
||||
|
||||
#include "common/assert.h"
|
||||
#include "common/microprofile.h"
|
||||
#include "video_core/renderer_opengl/gl_buffer_cache.h"
|
||||
#include "video_core/renderer_opengl/gl_rasterizer.h"
|
||||
#include "video_core/renderer_opengl/gl_resource_manager.h"
|
||||
|
||||
namespace OpenGL {
|
||||
|
||||
MICROPROFILE_DEFINE(OpenGL_Buffer_Download, "OpenGL", "Buffer Download", MP_RGB(192, 192, 128));
|
||||
|
||||
CachedBufferBlock::CachedBufferBlock(CacheAddr cache_addr, const std::size_t size)
|
||||
: VideoCommon::BufferBlock{cache_addr, size} {
|
||||
gl_buffer.Create();
|
||||
glNamedBufferData(gl_buffer.handle, static_cast<GLsizeiptr>(size), nullptr, GL_DYNAMIC_DRAW);
|
||||
}
|
||||
|
||||
CachedBufferBlock::~CachedBufferBlock() = default;
|
||||
|
||||
OGLBufferCache::OGLBufferCache(RasterizerOpenGL& rasterizer, Core::System& system,
|
||||
std::size_t stream_size)
|
||||
: VideoCommon::BufferCache<OGLBuffer, GLuint, OGLStreamBuffer>{
|
||||
: VideoCommon::BufferCache<Buffer, GLuint, OGLStreamBuffer>{
|
||||
rasterizer, system, std::make_unique<OGLStreamBuffer>(stream_size, true)} {}
|
||||
|
||||
OGLBufferCache::~OGLBufferCache() = default;
|
||||
|
||||
OGLBuffer OGLBufferCache::CreateBuffer(std::size_t size) {
|
||||
OGLBuffer buffer;
|
||||
buffer.Create();
|
||||
glNamedBufferData(buffer.handle, static_cast<GLsizeiptr>(size), nullptr, GL_DYNAMIC_DRAW);
|
||||
return buffer;
|
||||
Buffer OGLBufferCache::CreateBlock(CacheAddr cache_addr, std::size_t size) {
|
||||
return std::make_shared<CachedBufferBlock>(cache_addr, size);
|
||||
}
|
||||
|
||||
const GLuint* OGLBufferCache::ToHandle(const OGLBuffer& buffer) {
|
||||
return &buffer.handle;
|
||||
void OGLBufferCache::WriteBarrier() {
|
||||
glMemoryBarrier(GL_ALL_BARRIER_BITS);
|
||||
}
|
||||
|
||||
const GLuint* OGLBufferCache::ToHandle(const Buffer& buffer) {
|
||||
return buffer->GetHandle();
|
||||
}
|
||||
|
||||
const GLuint* OGLBufferCache::GetEmptyBuffer(std::size_t) {
|
||||
@ -36,23 +48,24 @@ const GLuint* OGLBufferCache::GetEmptyBuffer(std::size_t) {
|
||||
return &null_buffer;
|
||||
}
|
||||
|
||||
void OGLBufferCache::UploadBufferData(const OGLBuffer& buffer, std::size_t offset, std::size_t size,
|
||||
const u8* data) {
|
||||
glNamedBufferSubData(buffer.handle, static_cast<GLintptr>(offset),
|
||||
void OGLBufferCache::UploadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
|
||||
const u8* data) {
|
||||
glNamedBufferSubData(*buffer->GetHandle(), static_cast<GLintptr>(offset),
|
||||
static_cast<GLsizeiptr>(size), data);
|
||||
}
|
||||
|
||||
void OGLBufferCache::DownloadBufferData(const OGLBuffer& buffer, std::size_t offset,
|
||||
std::size_t size, u8* data) {
|
||||
glGetNamedBufferSubData(buffer.handle, static_cast<GLintptr>(offset),
|
||||
void OGLBufferCache::DownloadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
|
||||
u8* data) {
|
||||
MICROPROFILE_SCOPE(OpenGL_Buffer_Download);
|
||||
glGetNamedBufferSubData(*buffer->GetHandle(), static_cast<GLintptr>(offset),
|
||||
static_cast<GLsizeiptr>(size), data);
|
||||
}
|
||||
|
||||
void OGLBufferCache::CopyBufferData(const OGLBuffer& src, const OGLBuffer& dst,
|
||||
std::size_t src_offset, std::size_t dst_offset,
|
||||
std::size_t size) {
|
||||
glCopyNamedBufferSubData(src.handle, dst.handle, static_cast<GLintptr>(src_offset),
|
||||
static_cast<GLintptr>(dst_offset), static_cast<GLsizeiptr>(size));
|
||||
void OGLBufferCache::CopyBlock(const Buffer& src, const Buffer& dst, std::size_t src_offset,
|
||||
std::size_t dst_offset, std::size_t size) {
|
||||
glCopyNamedBufferSubData(*src->GetHandle(), *dst->GetHandle(),
|
||||
static_cast<GLintptr>(src_offset), static_cast<GLintptr>(dst_offset),
|
||||
static_cast<GLsizeiptr>(size));
|
||||
}
|
||||
|
||||
} // namespace OpenGL
|
||||
|
||||
@ -7,7 +7,7 @@
|
||||
#include <memory>
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "video_core/buffer_cache.h"
|
||||
#include "video_core/buffer_cache/buffer_cache.h"
|
||||
#include "video_core/rasterizer_cache.h"
|
||||
#include "video_core/renderer_opengl/gl_resource_manager.h"
|
||||
#include "video_core/renderer_opengl/gl_stream_buffer.h"
|
||||
@ -21,7 +21,24 @@ namespace OpenGL {
|
||||
class OGLStreamBuffer;
|
||||
class RasterizerOpenGL;
|
||||
|
||||
class OGLBufferCache final : public VideoCommon::BufferCache<OGLBuffer, GLuint, OGLStreamBuffer> {
|
||||
class CachedBufferBlock;
|
||||
|
||||
using Buffer = std::shared_ptr<CachedBufferBlock>;
|
||||
|
||||
class CachedBufferBlock : public VideoCommon::BufferBlock {
|
||||
public:
|
||||
explicit CachedBufferBlock(CacheAddr cache_addr, const std::size_t size);
|
||||
~CachedBufferBlock();
|
||||
|
||||
const GLuint* GetHandle() const {
|
||||
return &gl_buffer.handle;
|
||||
}
|
||||
|
||||
private:
|
||||
OGLBuffer gl_buffer{};
|
||||
};
|
||||
|
||||
class OGLBufferCache final : public VideoCommon::BufferCache<Buffer, GLuint, OGLStreamBuffer> {
|
||||
public:
|
||||
explicit OGLBufferCache(RasterizerOpenGL& rasterizer, Core::System& system,
|
||||
std::size_t stream_size);
|
||||
@ -30,18 +47,20 @@ public:
|
||||
const GLuint* GetEmptyBuffer(std::size_t) override;
|
||||
|
||||
protected:
|
||||
OGLBuffer CreateBuffer(std::size_t size) override;
|
||||
Buffer CreateBlock(CacheAddr cache_addr, std::size_t size) override;
|
||||
|
||||
const GLuint* ToHandle(const OGLBuffer& buffer) override;
|
||||
void WriteBarrier() override;
|
||||
|
||||
void UploadBufferData(const OGLBuffer& buffer, std::size_t offset, std::size_t size,
|
||||
const u8* data) override;
|
||||
const GLuint* ToHandle(const Buffer& buffer) override;
|
||||
|
||||
void DownloadBufferData(const OGLBuffer& buffer, std::size_t offset, std::size_t size,
|
||||
u8* data) override;
|
||||
void UploadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
|
||||
const u8* data) override;
|
||||
|
||||
void CopyBufferData(const OGLBuffer& src, const OGLBuffer& dst, std::size_t src_offset,
|
||||
std::size_t dst_offset, std::size_t size) override;
|
||||
void DownloadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
|
||||
u8* data) override;
|
||||
|
||||
void CopyBlock(const Buffer& src, const Buffer& dst, std::size_t src_offset,
|
||||
std::size_t dst_offset, std::size_t size) override;
|
||||
};
|
||||
|
||||
} // namespace OpenGL
|
||||
|
||||
@ -980,7 +980,7 @@ void RasterizerOpenGL::SetupGlobalMemory(const GLShader::GlobalMemoryEntry& entr
|
||||
GPUVAddr gpu_addr, std::size_t size) {
|
||||
const auto alignment{device.GetShaderStorageBufferAlignment()};
|
||||
const auto [ssbo, buffer_offset] =
|
||||
buffer_cache.UploadMemory(gpu_addr, size, alignment, true, entry.IsWritten());
|
||||
buffer_cache.UploadMemory(gpu_addr, size, alignment, entry.IsWritten());
|
||||
bind_ssbo_pushbuffer.Push(ssbo, buffer_offset, static_cast<GLsizeiptr>(size));
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user