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// Copyright 2014 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 UI_OZONE_PLATFORM_DRM_COMMON_DRM_UTIL_H_
#define UI_OZONE_PLATFORM_DRM_COMMON_DRM_UTIL_H_
#include "base/files/file_path.h"
#include "base/macros.h"
#include "base/memory/scoped_vector.h"
#include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
#include "ui/ozone/platform/drm/common/scoped_drm_types.h"
typedef struct _drmModeModeInfo drmModeModeInfo;
namespace gfx {
class Point;
}
namespace ui {
// Representation of the information required to initialize and configure a
// native display. |index| is the position of the connection and will be
// used to generate a unique identifier for the display.
class HardwareDisplayControllerInfo {
public:
HardwareDisplayControllerInfo(ScopedDrmConnectorPtr connector,
ScopedDrmCrtcPtr crtc,
size_t index);
~HardwareDisplayControllerInfo();
drmModeConnector* connector() const { return connector_.get(); }
drmModeCrtc* crtc() const { return crtc_.get(); }
size_t index() const { return index_; }
private:
ScopedDrmConnectorPtr connector_;
ScopedDrmCrtcPtr crtc_;
size_t index_;
DISALLOW_COPY_AND_ASSIGN(HardwareDisplayControllerInfo);
};
// Looks-up and parses the native display configurations returning all available
// displays.
ScopedVector<HardwareDisplayControllerInfo> GetAvailableDisplayControllerInfos(
int fd);
bool SameMode(const drmModeModeInfo& lhs, const drmModeModeInfo& rhs);
DisplayMode_Params CreateDisplayModeParams(const drmModeModeInfo& mode);
// |info| provides the DRM information related to the display, |fd| is the
// connection to the DRM device.
DisplaySnapshot_Params CreateDisplaySnapshotParams(
HardwareDisplayControllerInfo* info,
int fd,
size_t device_index,
const gfx::Point& origin);
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_COMMON_DRM_UTIL_H_
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