mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-08-26 03:47:18 +02:00
buffer_cache: Remove shared pointers
Removing shared pointers is a first step to be able to use intrusive objects and keep allocations close to one another in memory.
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parent
599274e3f0
commit
3b0baf746e
@ -29,8 +29,6 @@
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namespace VideoCommon {
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using MapInterval = std::shared_ptr<MapIntervalBase>;
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template <typename OwnerBuffer, typename BufferType, typename StreamBuffer>
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class BufferCache {
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public:
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@ -76,7 +74,10 @@ public:
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}
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auto block = GetBlock(cpu_addr, size);
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auto map = MapAddress(block, gpu_addr, cpu_addr, size);
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MapInterval* const map = MapAddress(block, gpu_addr, cpu_addr, size);
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if (!map) {
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return {GetEmptyBuffer(size), 0};
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}
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if (is_written) {
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map->MarkAsModified(true, GetModifiedTicks());
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if (Settings::IsGPULevelHigh() && Settings::values.use_asynchronous_gpu_emulation) {
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@ -130,11 +131,10 @@ public:
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void FlushRegion(VAddr addr, std::size_t size) {
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std::lock_guard lock{mutex};
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std::vector<MapInterval> objects = GetMapsInRange(addr, size);
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std::sort(
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objects.begin(), objects.end(),
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[](const MapInterval& lhs, const MapInterval& rhs) { return lhs->ticks < rhs->ticks; });
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for (auto& object : objects) {
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std::vector<MapInterval*> objects = GetMapsInRange(addr, size);
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std::sort(objects.begin(), objects.end(),
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[](MapInterval* lhs, MapInterval* rhs) { return lhs->ticks < rhs->ticks; });
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for (MapInterval* object : objects) {
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if (object->is_modified && object->is_registered) {
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mutex.unlock();
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FlushMap(object);
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@ -146,8 +146,8 @@ public:
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bool MustFlushRegion(VAddr addr, std::size_t size) {
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std::lock_guard lock{mutex};
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const std::vector<MapInterval> objects = GetMapsInRange(addr, size);
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return std::any_of(objects.cbegin(), objects.cend(), [](const MapInterval& map) {
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const std::vector<MapInterval*> objects = GetMapsInRange(addr, size);
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return std::any_of(objects.cbegin(), objects.cend(), [](const MapInterval* map) {
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return map->is_modified && map->is_registered;
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});
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}
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@ -156,7 +156,7 @@ public:
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void InvalidateRegion(VAddr addr, u64 size) {
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std::lock_guard lock{mutex};
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std::vector<MapInterval> objects = GetMapsInRange(addr, size);
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std::vector<MapInterval*> objects = GetMapsInRange(addr, size);
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for (auto& object : objects) {
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if (object->is_registered) {
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Unregister(object);
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@ -167,7 +167,7 @@ public:
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void OnCPUWrite(VAddr addr, std::size_t size) {
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std::lock_guard lock{mutex};
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for (const auto& object : GetMapsInRange(addr, size)) {
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for (MapInterval* object : GetMapsInRange(addr, size)) {
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if (object->is_memory_marked && object->is_registered) {
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UnmarkMemory(object);
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object->is_sync_pending = true;
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@ -179,7 +179,7 @@ public:
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void SyncGuestHost() {
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std::lock_guard lock{mutex};
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for (const auto& object : marked_for_unregister) {
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for (auto& object : marked_for_unregister) {
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if (object->is_registered) {
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object->is_sync_pending = false;
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Unregister(object);
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@ -190,8 +190,8 @@ public:
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void CommitAsyncFlushes() {
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if (uncommitted_flushes) {
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auto commit_list = std::make_shared<std::list<MapInterval>>();
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for (auto& map : *uncommitted_flushes) {
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auto commit_list = std::make_shared<std::list<MapInterval*>>();
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for (MapInterval* map : *uncommitted_flushes) {
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if (map->is_registered && map->is_modified) {
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// TODO(Blinkhawk): Implement backend asynchronous flushing
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// AsyncFlushMap(map)
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@ -226,7 +226,7 @@ public:
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committed_flushes.pop_front();
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return;
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}
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for (MapInterval& map : *flush_list) {
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for (MapInterval* map : *flush_list) {
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if (map->is_registered) {
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// TODO(Blinkhawk): Replace this for reading the asynchronous flush
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FlushMap(map);
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@ -263,26 +263,28 @@ protected:
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}
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/// Register an object into the cache
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void Register(const MapInterval& new_map, bool inherit_written = false) {
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const VAddr cpu_addr = new_map->start;
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MapInterval* Register(MapInterval new_map, bool inherit_written = false) {
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const VAddr cpu_addr = new_map.start;
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if (!cpu_addr) {
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LOG_CRITICAL(HW_GPU, "Failed to register buffer with unmapped gpu_address 0x{:016x}",
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new_map->gpu_addr);
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return;
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new_map.gpu_addr);
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return nullptr;
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}
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const std::size_t size = new_map->end - new_map->start;
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new_map->is_registered = true;
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const IntervalType interval{new_map->start, new_map->end};
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mapped_addresses.insert({interval, new_map});
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const std::size_t size = new_map.end - new_map.start;
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new_map.is_registered = true;
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const IntervalType interval{new_map.start, new_map.end};
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rasterizer.UpdatePagesCachedCount(cpu_addr, size, 1);
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new_map->is_memory_marked = true;
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new_map.is_memory_marked = true;
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if (inherit_written) {
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MarkRegionAsWritten(new_map->start, new_map->end - 1);
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new_map->is_written = true;
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MarkRegionAsWritten(new_map.start, new_map.end - 1);
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new_map.is_written = true;
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}
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mapped_addresses.insert({interval, new_map});
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// Temporary hack until this is replaced with boost::intrusive::rbtree
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return const_cast<MapInterval*>(&mapped_addresses.find(interval)->second);
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}
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void UnmarkMemory(const MapInterval& map) {
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void UnmarkMemory(MapInterval* map) {
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if (!map->is_memory_marked) {
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return;
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}
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@ -292,7 +294,7 @@ protected:
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}
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/// Unregisters an object from the cache
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void Unregister(const MapInterval& map) {
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void Unregister(MapInterval* map) {
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UnmarkMemory(map);
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map->is_registered = false;
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if (map->is_sync_pending) {
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@ -307,17 +309,12 @@ protected:
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}
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private:
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MapInterval CreateMap(const VAddr start, const VAddr end, const GPUVAddr gpu_addr) {
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return std::make_shared<MapIntervalBase>(start, end, gpu_addr);
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}
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MapInterval MapAddress(const OwnerBuffer& block, const GPUVAddr gpu_addr, const VAddr cpu_addr,
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const std::size_t size) {
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std::vector<MapInterval> overlaps = GetMapsInRange(cpu_addr, size);
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MapInterval* MapAddress(const OwnerBuffer& block, GPUVAddr gpu_addr, VAddr cpu_addr,
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std::size_t size) {
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std::vector<MapInterval*> overlaps = GetMapsInRange(cpu_addr, size);
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if (overlaps.empty()) {
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auto& memory_manager = system.GPU().MemoryManager();
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const VAddr cpu_addr_end = cpu_addr + size;
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MapInterval new_map = CreateMap(cpu_addr, cpu_addr_end, gpu_addr);
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if (memory_manager.IsGranularRange(gpu_addr, size)) {
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u8* host_ptr = memory_manager.GetPointer(gpu_addr);
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UploadBlockData(block, block->GetOffset(cpu_addr), size, host_ptr);
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@ -326,13 +323,12 @@ private:
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memory_manager.ReadBlockUnsafe(gpu_addr, staging_buffer.data(), size);
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UploadBlockData(block, block->GetOffset(cpu_addr), size, staging_buffer.data());
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}
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Register(new_map);
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return new_map;
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return Register(MapInterval(cpu_addr, cpu_addr_end, gpu_addr));
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}
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const VAddr cpu_addr_end = cpu_addr + size;
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if (overlaps.size() == 1) {
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MapInterval& current_map = overlaps[0];
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MapInterval* const current_map = overlaps[0];
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if (current_map->IsInside(cpu_addr, cpu_addr_end)) {
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return current_map;
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}
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@ -342,7 +338,7 @@ private:
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bool write_inheritance = false;
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bool modified_inheritance = false;
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// Calculate new buffer parameters
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for (auto& overlap : overlaps) {
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for (MapInterval* overlap : overlaps) {
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new_start = std::min(overlap->start, new_start);
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new_end = std::max(overlap->end, new_end);
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write_inheritance |= overlap->is_written;
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@ -353,19 +349,23 @@ private:
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Unregister(overlap);
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}
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UpdateBlock(block, new_start, new_end, overlaps);
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MapInterval new_map = CreateMap(new_start, new_end, new_gpu_addr);
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const MapInterval new_map{new_start, new_end, new_gpu_addr};
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MapInterval* const map = Register(new_map, write_inheritance);
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if (!map) {
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return nullptr;
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}
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if (modified_inheritance) {
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new_map->MarkAsModified(true, GetModifiedTicks());
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map->MarkAsModified(true, GetModifiedTicks());
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if (Settings::IsGPULevelHigh() && Settings::values.use_asynchronous_gpu_emulation) {
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MarkForAsyncFlush(new_map);
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MarkForAsyncFlush(map);
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}
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}
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Register(new_map, write_inheritance);
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return new_map;
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return map;
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}
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void UpdateBlock(const OwnerBuffer& block, VAddr start, VAddr end,
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std::vector<MapInterval>& overlaps) {
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std::vector<MapInterval*>& overlaps) {
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const IntervalType base_interval{start, end};
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IntervalSet interval_set{};
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interval_set.add(base_interval);
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@ -384,15 +384,15 @@ private:
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}
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}
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std::vector<MapInterval> GetMapsInRange(VAddr addr, std::size_t size) {
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std::vector<MapInterval*> GetMapsInRange(VAddr addr, std::size_t size) {
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if (size == 0) {
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return {};
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}
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std::vector<MapInterval> objects{};
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std::vector<MapInterval*> objects;
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const IntervalType interval{addr, addr + size};
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for (auto& pair : boost::make_iterator_range(mapped_addresses.equal_range(interval))) {
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objects.push_back(pair.second);
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objects.push_back(&pair.second);
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}
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return objects;
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@ -403,8 +403,8 @@ private:
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return ++modified_ticks;
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}
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void FlushMap(MapInterval map) {
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std::size_t size = map->end - map->start;
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void FlushMap(MapInterval* map) {
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const std::size_t size = map->end - map->start;
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OwnerBuffer block = blocks[map->start >> block_page_bits];
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staging_buffer.resize(size);
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DownloadBlockData(block, block->GetOffset(map->start), size, staging_buffer.data());
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@ -545,9 +545,9 @@ private:
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return false;
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}
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void MarkForAsyncFlush(MapInterval& map) {
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void MarkForAsyncFlush(MapInterval* map) {
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if (!uncommitted_flushes) {
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uncommitted_flushes = std::make_shared<std::unordered_set<MapInterval>>();
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uncommitted_flushes = std::make_shared<std::unordered_set<MapInterval*>>();
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}
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uncommitted_flushes->insert(map);
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}
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@ -581,10 +581,10 @@ private:
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u64 modified_ticks = 0;
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std::vector<u8> staging_buffer;
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std::list<MapInterval> marked_for_unregister;
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std::list<MapInterval*> marked_for_unregister;
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std::shared_ptr<std::unordered_set<MapInterval>> uncommitted_flushes;
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std::list<std::shared_ptr<std::list<MapInterval>>> committed_flushes;
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std::shared_ptr<std::unordered_set<MapInterval*>> uncommitted_flushes;
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std::list<std::shared_ptr<std::list<MapInterval*>>> committed_flushes;
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std::recursive_mutex mutex;
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};
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@ -9,30 +9,32 @@
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namespace VideoCommon {
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struct MapIntervalBase {
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constexpr explicit MapIntervalBase(VAddr start, VAddr end, GPUVAddr gpu_addr) noexcept
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struct MapInterval {
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constexpr explicit MapInterval() noexcept = default;
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constexpr explicit MapInterval(VAddr start, VAddr end, GPUVAddr gpu_addr) noexcept
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: start{start}, end{end}, gpu_addr{gpu_addr} {}
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constexpr bool IsInside(const VAddr other_start, const VAddr other_end) const noexcept {
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constexpr bool IsInside(VAddr other_start, VAddr other_end) const noexcept {
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return (start <= other_start && other_end <= end);
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}
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constexpr bool operator==(const MapInterval& rhs) const noexcept {
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return start == rhs.start && end == rhs.end;
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}
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constexpr bool operator!=(const MapInterval& rhs) const noexcept {
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return !operator==(rhs);
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}
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constexpr void MarkAsModified(bool is_modified_, u64 ticks_) noexcept {
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is_modified = is_modified_;
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ticks = ticks_;
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}
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constexpr bool operator==(const MapIntervalBase& rhs) const noexcept {
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return start == rhs.start && end == rhs.end;
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}
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constexpr bool operator!=(const MapIntervalBase& rhs) const noexcept {
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return !operator==(rhs);
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}
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VAddr start;
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VAddr end;
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GPUVAddr gpu_addr;
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VAddr start = 0;
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VAddr end = 0;
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GPUVAddr gpu_addr = 0;
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VAddr cpu_addr = 0;
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u64 ticks = 0;
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bool is_written = false;
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