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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_GPU_WINDOWS_D3D11_VIDEO_DEVICE_FORMAT_SUPPORT_H_
#define MEDIA_GPU_WINDOWS_D3D11_VIDEO_DEVICE_FORMAT_SUPPORT_H_
#include <d3d11_1.h>
#include "media/base/media_log.h"
#include "media/gpu/media_gpu_export.h"
#include "media/gpu/windows/d3d11_com_defs.h"
namespace media {
// Helper class for Checking whether a video can be processed in any given
// DXGI_FORMAT.
class MEDIA_GPU_EXPORT FormatSupportChecker {
public:
// |device| may be null, mostly for tests.
explicit FormatSupportChecker(ComD3D11Device device);
FormatSupportChecker(const FormatSupportChecker&) = delete;
FormatSupportChecker& operator=(const FormatSupportChecker&) = delete;
virtual ~FormatSupportChecker();
// Set up the device to be able to check format support.
// Returns false if there is a failure.
virtual bool Initialize();
// Checks if the device's texture processing pipeline supports output textures
virtual bool CheckOutputFormatSupport(DXGI_FORMAT format) const;
private:
ComD3D11Device device_;
ComD3D11VideoProcessorEnumerator enumerator_;
bool initialized_ = false;
};
} // namespace media
#endif // MEDIA_GPU_WINDOWS_D3D11_VIDEO_DEVICE_FORMAT_SUPPORT_H_
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