mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-08-29 06:55:56 +00:00
818001d32e
Bug: dawn:1275 Change-Id: Ic60a00107a015bc677ff929c492f1085ffc38482 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/79083 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Ben Clayton <bclayton@chromium.org>
54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
// Copyright 2020 The Dawn Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#ifndef DAWNNATIVE_POOLEDRESOURCEMEMORYALLOCATOR_H_
|
|
#define DAWNNATIVE_POOLEDRESOURCEMEMORYALLOCATOR_H_
|
|
|
|
#include "dawn/common/SerialQueue.h"
|
|
#include "dawn/native/ResourceHeapAllocator.h"
|
|
|
|
#include <deque>
|
|
|
|
namespace dawn::native {
|
|
|
|
class DeviceBase;
|
|
|
|
// |PooledResourceMemoryAllocator| allocates a fixed-size resource memory from a resource memory
|
|
// pool. Internally, it manages a list of heaps using LIFO (newest heaps are recycled first).
|
|
// The heap is in one of two states: AVAILABLE or not. Upon de-allocate, the heap is returned
|
|
// the pool and made AVAILABLE.
|
|
class PooledResourceMemoryAllocator : public ResourceHeapAllocator {
|
|
public:
|
|
PooledResourceMemoryAllocator(ResourceHeapAllocator* heapAllocator);
|
|
~PooledResourceMemoryAllocator() override = default;
|
|
|
|
ResultOrError<std::unique_ptr<ResourceHeapBase>> AllocateResourceHeap(
|
|
uint64_t size) override;
|
|
void DeallocateResourceHeap(std::unique_ptr<ResourceHeapBase> allocation) override;
|
|
|
|
void DestroyPool();
|
|
|
|
// For testing purposes.
|
|
uint64_t GetPoolSizeForTesting() const;
|
|
|
|
private:
|
|
ResourceHeapAllocator* mHeapAllocator = nullptr;
|
|
|
|
std::deque<std::unique_ptr<ResourceHeapBase>> mPool;
|
|
};
|
|
|
|
} // namespace dawn::native
|
|
|
|
#endif // DAWNNATIVE_POOLEDRESOURCEMEMORYALLOCATOR_H_
|