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authorbunnei <bunneidev@gmail.com>2020-06-13 05:14:48 +0200
committerGitHub <noreply@github.com>2020-06-13 05:14:48 +0200
commit563388756951e06a2eeb4fa1e8c806993f34f4a9 (patch)
tree5034180e818531fedf8618e5520b6e9f24315289 /src/video_core/rasterizer_cache.h
parentMerge pull request #4010 from ogniK5377/reserve-always-break (diff)
parentrasterizer_cache: Remove files and includes (diff)
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Diffstat (limited to 'src/video_core/rasterizer_cache.h')
-rw-r--r--src/video_core/rasterizer_cache.h253
1 files changed, 0 insertions, 253 deletions
diff --git a/src/video_core/rasterizer_cache.h b/src/video_core/rasterizer_cache.h
deleted file mode 100644
index 096ee337c..000000000
--- a/src/video_core/rasterizer_cache.h
+++ /dev/null
@@ -1,253 +0,0 @@
-// Copyright 2018 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <mutex>
-#include <set>
-#include <unordered_map>
-
-#include <boost/icl/interval_map.hpp>
-#include <boost/range/iterator_range_core.hpp>
-
-#include "common/common_types.h"
-#include "core/settings.h"
-#include "video_core/gpu.h"
-#include "video_core/rasterizer_interface.h"
-
-class RasterizerCacheObject {
-public:
- explicit RasterizerCacheObject(const VAddr cpu_addr) : cpu_addr{cpu_addr} {}
-
- virtual ~RasterizerCacheObject();
-
- VAddr GetCpuAddr() const {
- return cpu_addr;
- }
-
- /// Gets the size of the shader in guest memory, required for cache management
- virtual std::size_t GetSizeInBytes() const = 0;
-
- /// Sets whether the cached object should be considered registered
- void SetIsRegistered(bool registered) {
- is_registered = registered;
- }
-
- /// Returns true if the cached object is registered
- bool IsRegistered() const {
- return is_registered;
- }
-
- /// Returns true if the cached object is dirty
- bool IsDirty() const {
- return is_dirty;
- }
-
- /// Returns ticks from when this cached object was last modified
- u64 GetLastModifiedTicks() const {
- return last_modified_ticks;
- }
-
- /// Marks an object as recently modified, used to specify whether it is clean or dirty
- template <class T>
- void MarkAsModified(bool dirty, T& cache) {
- is_dirty = dirty;
- last_modified_ticks = cache.GetModifiedTicks();
- }
-
- void SetMemoryMarked(bool is_memory_marked_) {
- is_memory_marked = is_memory_marked_;
- }
-
- bool IsMemoryMarked() const {
- return is_memory_marked;
- }
-
- void SetSyncPending(bool is_sync_pending_) {
- is_sync_pending = is_sync_pending_;
- }
-
- bool IsSyncPending() const {
- return is_sync_pending;
- }
-
-private:
- bool is_registered{}; ///< Whether the object is currently registered with the cache
- bool is_dirty{}; ///< Whether the object is dirty (out of sync with guest memory)
- bool is_memory_marked{}; ///< Whether the object is marking rasterizer memory.
- bool is_sync_pending{}; ///< Whether the object is pending deletion.
- u64 last_modified_ticks{}; ///< When the object was last modified, used for in-order flushing
- VAddr cpu_addr{}; ///< Cpu address memory, unique from emulated virtual address space
-};
-
-template <class T>
-class RasterizerCache : NonCopyable {
- friend class RasterizerCacheObject;
-
-public:
- explicit RasterizerCache(VideoCore::RasterizerInterface& rasterizer) : rasterizer{rasterizer} {}
-
- /// Write any cached resources overlapping the specified region back to memory
- void FlushRegion(VAddr addr, std::size_t size) {
- std::lock_guard lock{mutex};
-
- const auto& objects{GetSortedObjectsFromRegion(addr, size)};
- for (auto& object : objects) {
- FlushObject(object);
- }
- }
-
- /// Mark the specified region as being invalidated
- void InvalidateRegion(VAddr addr, u64 size) {
- std::lock_guard lock{mutex};
-
- const auto& objects{GetSortedObjectsFromRegion(addr, size)};
- for (auto& object : objects) {
- if (!object->IsRegistered()) {
- // Skip duplicates
- continue;
- }
- Unregister(object);
- }
- }
-
- void OnCPUWrite(VAddr addr, std::size_t size) {
- std::lock_guard lock{mutex};
-
- for (const auto& object : GetSortedObjectsFromRegion(addr, size)) {
- if (object->IsRegistered()) {
- UnmarkMemory(object);
- object->SetSyncPending(true);
- marked_for_unregister.emplace_back(object);
- }
- }
- }
-
- void SyncGuestHost() {
- std::lock_guard lock{mutex};
-
- for (const auto& object : marked_for_unregister) {
- if (object->IsRegistered()) {
- object->SetSyncPending(false);
- Unregister(object);
- }
- }
- marked_for_unregister.clear();
- }
-
- /// Invalidates everything in the cache
- void InvalidateAll() {
- std::lock_guard lock{mutex};
-
- while (interval_cache.begin() != interval_cache.end()) {
- Unregister(*interval_cache.begin()->second.begin());
- }
- }
-
-protected:
- /// Tries to get an object from the cache with the specified cache address
- T TryGet(VAddr addr) const {
- const auto iter = map_cache.find(addr);
- if (iter != map_cache.end())
- return iter->second;
- return nullptr;
- }
-
- /// Register an object into the cache
- virtual void Register(const T& object) {
- std::lock_guard lock{mutex};
-
- object->SetIsRegistered(true);
- interval_cache.add({GetInterval(object), ObjectSet{object}});
- map_cache.insert({object->GetCpuAddr(), object});
- rasterizer.UpdatePagesCachedCount(object->GetCpuAddr(), object->GetSizeInBytes(), 1);
- object->SetMemoryMarked(true);
- }
-
- /// Unregisters an object from the cache
- virtual void Unregister(const T& object) {
- std::lock_guard lock{mutex};
-
- UnmarkMemory(object);
- object->SetIsRegistered(false);
- if (object->IsSyncPending()) {
- marked_for_unregister.remove(object);
- object->SetSyncPending(false);
- }
- const VAddr addr = object->GetCpuAddr();
- interval_cache.subtract({GetInterval(object), ObjectSet{object}});
- map_cache.erase(addr);
- }
-
- void UnmarkMemory(const T& object) {
- if (!object->IsMemoryMarked()) {
- return;
- }
- rasterizer.UpdatePagesCachedCount(object->GetCpuAddr(), object->GetSizeInBytes(), -1);
- object->SetMemoryMarked(false);
- }
-
- /// Returns a ticks counter used for tracking when cached objects were last modified
- u64 GetModifiedTicks() {
- std::lock_guard lock{mutex};
-
- return ++modified_ticks;
- }
-
- virtual void FlushObjectInner(const T& object) = 0;
-
- /// Flushes the specified object, updating appropriate cache state as needed
- void FlushObject(const T& object) {
- std::lock_guard lock{mutex};
-
- if (!object->IsDirty()) {
- return;
- }
- FlushObjectInner(object);
- object->MarkAsModified(false, *this);
- }
-
- std::recursive_mutex mutex;
-
-private:
- /// Returns a list of cached objects from the specified memory region, ordered by access time
- std::vector<T> GetSortedObjectsFromRegion(VAddr addr, u64 size) {
- if (size == 0) {
- return {};
- }
-
- std::vector<T> objects;
- const ObjectInterval interval{addr, addr + size};
- for (auto& pair : boost::make_iterator_range(interval_cache.equal_range(interval))) {
- for (auto& cached_object : pair.second) {
- if (!cached_object) {
- continue;
- }
- objects.push_back(cached_object);
- }
- }
-
- std::sort(objects.begin(), objects.end(), [](const T& a, const T& b) -> bool {
- return a->GetLastModifiedTicks() < b->GetLastModifiedTicks();
- });
-
- return objects;
- }
-
- using ObjectSet = std::set<T>;
- using ObjectCache = std::unordered_map<VAddr, T>;
- using IntervalCache = boost::icl::interval_map<VAddr, ObjectSet>;
- using ObjectInterval = typename IntervalCache::interval_type;
-
- static auto GetInterval(const T& object) {
- return ObjectInterval::right_open(object->GetCpuAddr(),
- object->GetCpuAddr() + object->GetSizeInBytes());
- }
-
- ObjectCache map_cache;
- IntervalCache interval_cache; ///< Cache of objects
- u64 modified_ticks{}; ///< Counter of cache state ticks, used for in-order flushing
- VideoCore::RasterizerInterface& rasterizer;
- std::list<T> marked_for_unregister;
-};