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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_GPU_WINDOWS_DISPLAY_HELPER_H_
#define MEDIA_GPU_WINDOWS_DISPLAY_HELPER_H_
#include "base/macros.h"
#include "base/optional.h"
#include "media/base/hdr_metadata.h"
#include "media/gpu/media_gpu_export.h"
#include "media/gpu/windows/d3d11_com_defs.h"
namespace media {
// This is a very hacky way to get the display characteristics.
// It should be replaced by something that actually knows which
// display is going to be used for, well, display.
class MEDIA_GPU_EXPORT DisplayHelper {
public:
DisplayHelper(const ComD3D11Device& d3d11_device);
~DisplayHelper();
// Return the metadata for the display, if available. Must call
// CacheDisplayMetadata first.
base::Optional<DXGI_HDR_METADATA_HDR10> GetDisplayMetadata();
// Convert |hdr_metadata| to DXGI's metadata format.
static DXGI_HDR_METADATA_HDR10 HdrMetadataToDXGI(
const HDRMetadata& hdr_metadata);
private:
void CacheDisplayMetadata(const ComD3D11Device& d3d11_device);
base::Optional<DXGI_HDR_METADATA_HDR10> hdr_metadata_;
DISALLOW_COPY_AND_ASSIGN(DisplayHelper);
};
} // namespace media
#endif // MEDIA_GPU_WINDOWS_DISPLAY_HELPER_H_
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