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// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <unordered_map>
#include "common/common_types.h"
#include "core/core.h"
#include "core/memory.h"
#include "video_core/memory_manager.h"
#include "video_core/rasterizer_interface.h"
#include "video_core/renderer_base.h"
template <class T>
class RasterizerCache : NonCopyable {
public:
/// Mark the specified region as being invalidated
void InvalidateRegion(VAddr region_addr, size_t region_size) {
for (auto iter = cached_objects.cbegin(); iter != cached_objects.cend();) {
const auto& object{iter->second};
++iter;
if (object->GetAddr() <= (region_addr + region_size) &&
region_addr <= (object->GetAddr() + object->GetSizeInBytes())) {
// Regions overlap, so invalidate
Unregister(object);
}
}
}
protected:
/// Tries to get an object from the cache with the specified address
T TryGet(VAddr addr) const {
const auto& search{cached_objects.find(addr)};
if (search != cached_objects.end()) {
return search->second;
}
return nullptr;
}
/// Gets a reference to the cache
const std::unordered_map<VAddr, T>& GetCache() const {
return cached_objects;
}
/// Register an object into the cache
void Register(const T& object) {
const auto& search{cached_objects.find(object->GetAddr())};
if (search != cached_objects.end()) {
// Registered already
return;
}
auto& rasterizer = Core::System::GetInstance().Renderer().Rasterizer();
rasterizer.UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), 1);
cached_objects[object->GetAddr()] = std::move(object);
}
/// Unregisters an object from the cache
void Unregister(const T& object) {
const auto& search{cached_objects.find(object->GetAddr())};
if (search == cached_objects.end()) {
// Unregistered already
return;
}
auto& rasterizer = Core::System::GetInstance().Renderer().Rasterizer();
rasterizer.UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), -1);
cached_objects.erase(search);
}
private:
std::unordered_map<VAddr, T> cached_objects;
};
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