/*

 * Copyright 2022 Google LLC

 *

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

 */

#ifndef GrBufferTransferRenderTask_DEFINED

#define GrBufferTransferRenderTask_DEFINED

#include "src/gpu/ganesh/GrRenderTask.h"

class GrGpuBuffer;

class GrBufferTransferRenderTask final : public GrRenderTask {

public:

    static sk_sp<GrRenderTask> Make(sk_sp<GrGpuBuffer> src,

                                    size_t srcOffset,

                                    sk_sp<GrGpuBuffer> dst,

                                    size_t dstOffset,

                                    size_t size);

    ~GrBufferTransferRenderTask() override;

private:

    GrBufferTransferRenderTask(sk_sp<GrGpuBuffer> src,

                               size_t srcOffset,

                               sk_sp<GrGpuBuffer> dst,

                               size_t dstOffset,

                               size_t size);

    bool onIsUsed(GrSurfaceProxy* proxy) const override { return false; }

    void gatherProxyIntervals(GrResourceAllocator*) const override {} // no proxies

    ExpectedOutcome onMakeClosed(GrRecordingContext*, SkIRect* targetUpdateBounds) override {

        return ExpectedOutcome::kTargetUnchanged;  // no target

    }

    bool onExecute(GrOpFlushState*) override;

#if defined(GR_TEST_UTILS)

    const char* name() const final { return "BufferTransfer"; }

#endif

#ifdef SK_DEBUG

    void visitProxies_debugOnly(const GrVisitProxyFunc&) const override {}

#endif

    sk_sp<GrGpuBuffer> fSrc;

    sk_sp<GrGpuBuffer> fDst;

    size_t fSrcOffset;

    size_t fDstOffset;

    size_t fSize;

};

#endif