50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
// Copyright 2021 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 DAWNNATIVE_BUFFERLOCATION_H_
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#define DAWNNATIVE_BUFFERLOCATION_H_
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#include "common/RefCounted.h"
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#include "dawn_native/Buffer.h"
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#include <cstdint>
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namespace dawn_native {
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// A ref-counted wrapper around a Buffer ref and an offset into the buffer.
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class BufferLocation : public RefCounted {
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public:
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BufferLocation();
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BufferLocation(BufferBase* buffer, uint64_t offset = 0);
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~BufferLocation();
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static Ref<BufferLocation> New();
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static Ref<BufferLocation> New(BufferBase* buffer, uint64_t offset = 0);
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bool IsNull() const;
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BufferBase* GetBuffer() const;
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uint64_t GetOffset() const;
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void Set(BufferBase* buffer, uint64_t offset);
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private:
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Ref<BufferBase> mBuffer;
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uint64_t mOffset = 0;
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};
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} // namespace dawn_native
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#endif // DAWNNATIVE_BUFFERLOCATION_H_
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