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61f30bad1e
This CL adds missing constructors and destructors. Others are moved from the header file to implementation files. Bug: dawn:1405 Change-Id: I06657d4a4faa437ca5a95a0067a8f9f9bbc89d12 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89181 Commit-Queue: Dan Sinclair <dsinclair@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Austin Eng <enga@chromium.org>
64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
// Copyright 2018 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_DAWN_NATIVE_RINGBUFFERALLOCATOR_H_
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#define SRC_DAWN_NATIVE_RINGBUFFERALLOCATOR_H_
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#include <limits>
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#include <memory>
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#include "dawn/common/SerialQueue.h"
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#include "dawn/native/IntegerTypes.h"
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// RingBufferAllocator is the front-end implementation used to manage a ring buffer in GPU memory.
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namespace dawn::native {
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class RingBufferAllocator {
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public:
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RingBufferAllocator();
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explicit RingBufferAllocator(uint64_t maxSize);
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RingBufferAllocator(const RingBufferAllocator&);
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~RingBufferAllocator();
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RingBufferAllocator& operator=(const RingBufferAllocator&);
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uint64_t Allocate(uint64_t allocationSize, ExecutionSerial serial);
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void Deallocate(ExecutionSerial lastCompletedSerial);
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uint64_t GetSize() const;
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bool Empty() const;
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uint64_t GetUsedSize() const;
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static constexpr uint64_t kInvalidOffset = std::numeric_limits<uint64_t>::max();
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private:
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struct Request {
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uint64_t endOffset;
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uint64_t size;
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};
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SerialQueue<ExecutionSerial, Request> mInflightRequests; // Queue of the recorded sub-alloc
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// requests (e.g. frame of resources).
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uint64_t mUsedEndOffset = 0; // Tail of used sub-alloc requests (in bytes).
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uint64_t mUsedStartOffset = 0; // Head of used sub-alloc requests (in bytes).
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uint64_t mMaxBlockSize = 0; // Max size of the ring buffer (in bytes).
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uint64_t mUsedSize = 0; // Size of the sub-alloc requests (in bytes) of the ring buffer.
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uint64_t mCurrentRequestSize =
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0; // Size of the sub-alloc requests (in bytes) of the current serial.
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};
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} // namespace dawn::native
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#endif // SRC_DAWN_NATIVE_RINGBUFFERALLOCATOR_H_
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