79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
// Copyright 2018 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_map>
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#include "common/common_types.h"
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#include "core/core.h"
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#include "core/memory.h"
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#include "video_core/memory_manager.h"
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#include "video_core/rasterizer_interface.h"
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#include "video_core/renderer_base.h"
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template <class T>
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class RasterizerCache : NonCopyable {
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public:
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/// Mark the specified region as being invalidated
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void InvalidateRegion(Tegra::GPUVAddr region_addr, size_t region_size) {
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for (auto iter = cached_objects.cbegin(); iter != cached_objects.cend();) {
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const auto& object{iter->second};
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++iter;
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if (object->GetAddr() <= (region_addr + region_size) &&
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region_addr <= (object->GetAddr() + object->GetSizeInBytes())) {
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// Regions overlap, so invalidate
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Unregister(object);
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}
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}
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}
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protected:
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/// Tries to get an object from the cache with the specified address
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T TryGet(Tegra::GPUVAddr addr) const {
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const auto& search{cached_objects.find(addr)};
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if (search != cached_objects.end()) {
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return search->second;
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}
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return nullptr;
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}
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/// Gets a reference to the cache
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const std::unordered_map<Tegra::GPUVAddr, T>& GetCache() const {
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return cached_objects;
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}
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/// Register an object into the cache
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void Register(const T& object) {
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const auto& search{cached_objects.find(object->GetAddr())};
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if (search != cached_objects.end()) {
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// Registered already
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return;
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}
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auto& rasterizer = Core::System::GetInstance().Renderer().Rasterizer();
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rasterizer.UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), 1);
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cached_objects[object->GetAddr()] = std::move(object);
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}
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/// Unregisters an object from the cache
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void Unregister(const T& object) {
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const auto& search{cached_objects.find(object->GetAddr())};
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if (search == cached_objects.end()) {
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// Unregistered already
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return;
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}
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auto& rasterizer = Core::System::GetInstance().Renderer().Rasterizer();
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rasterizer.UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), -1);
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cached_objects.erase(search);
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}
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private:
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std::unordered_map<Tegra::GPUVAddr, T> cached_objects;
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};
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