MtlBuffer.h

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/*
 * Copyright 2021 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef skgpu_graphite_MtlBuffer_DEFINED
#define skgpu_graphite_MtlBuffer_DEFINED
 
#include "include/core/SkRefCnt.h"
#include "include/gpu/graphite/mtl/MtlGraphiteTypes.h"
#include "src/gpu/graphite/Buffer.h"
 
#import <Metal/Metal.h>
 
namespace skgpu::graphite {
class MtlSharedContext;
 
class MtlBuffer : public Buffer {
public:
    static sk_sp<Buffer> Make(const MtlSharedContext*, size_t size, BufferType type, AccessPattern);
 
    id<MTLBuffer> mtlBuffer() const { return fBuffer.get(); }
 
private:
    MtlBuffer(const MtlSharedContext*, size_t size, sk_cfp<id<MTLBuffer>>);
 
    void onMap() override;
    void onUnmap() override;
 
    void freeGpuData() override;
 
    void setBackendLabel(char const* label) override;
 
    sk_cfp<id<MTLBuffer>> fBuffer;
};
 
} // namespace skgpu::graphite
 
#endif // skgpu_graphite_MtlBuffer_DEFINED