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fake_gpu_memory_buffer.h
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fake_gpu_memory_buffer.h
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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_VIDEO_FAKE_GPU_MEMORY_BUFFER_H_
#define MEDIA_VIDEO_FAKE_GPU_MEMORY_BUFFER_H_
#include <memory>
#include "gpu/ipc/common/gpu_memory_buffer_support.h"
#include "ui/gfx/gpu_memory_buffer.h"
namespace media {
// A fake implementation of gfx::GpuMemoryBuffer for testing purposes.
class FakeGpuMemoryBuffer : public gfx::GpuMemoryBuffer {
public:
FakeGpuMemoryBuffer(const gfx::Size& size, gfx::BufferFormat format);
// gfx::GpuMemoryBuffer implementation.
~FakeGpuMemoryBuffer() override;
bool Map() override;
void* memory(size_t plane) override;
void Unmap() override;
gfx::Size GetSize() const override;
gfx::BufferFormat GetFormat() const override;
int stride(size_t plane) const override;
void SetColorSpace(const gfx::ColorSpace& color_space) override;
gfx::GpuMemoryBufferId GetId() const override;
gfx::GpuMemoryBufferType GetType() const override;
gfx::GpuMemoryBufferHandle CloneHandle() const override;
ClientBuffer AsClientBuffer() override;
void OnMemoryDump(
base::trace_event::ProcessMemoryDump* pmd,
const base::trace_event::MemoryAllocatorDumpGuid& buffer_dump_guid,
uint64_t tracing_process_id,
int importance) const override;
private:
gfx::Size size_;
gfx::BufferFormat format_;
std::vector<uint8_t> data_;
gfx::GpuMemoryBufferHandle handle_;
DISALLOW_IMPLICIT_CONSTRUCTORS(FakeGpuMemoryBuffer);
};
class FakeGpuMemoryBufferSupport : public gpu::GpuMemoryBufferSupport {
public:
std::unique_ptr<gpu::GpuMemoryBufferImpl> CreateGpuMemoryBufferImplFromHandle(
gfx::GpuMemoryBufferHandle handle,
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
gpu::GpuMemoryBufferImpl::DestructionCallback callback) override;
};
} // namespace media
#endif // MEDIA_VIDEO_FAKE_GPU_MEMORY_BUFFER_H_