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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_GPU_DRM_UTIL_H_
#define UI_OZONE_PLATFORM_DRM_GPU_DRM_UTIL_H_
#include "base/files/file_path.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_vector.h"
#include "ui/ozone/platform/drm/gpu/scoped_drm_types.h"
typedef struct _drmModeModeInfo drmModeModeInfo;
namespace ui {
class DrmDevice;
class ScreenManager;
// Representation of the information required to initialize and configure a
// native display.
class HardwareDisplayControllerInfo {
public:
HardwareDisplayControllerInfo(ScopedDrmConnectorPtr connector,
ScopedDrmCrtcPtr crtc);
~HardwareDisplayControllerInfo();
drmModeConnector* connector() const { return connector_.get(); }
drmModeCrtc* crtc() const { return crtc_.get(); }
private:
ScopedDrmConnectorPtr connector_;
ScopedDrmCrtcPtr crtc_;
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);
// Memory maps a DRM buffer.
bool MapDumbBuffer(int fd, uint32_t handle, uint32_t size, void** pixels);
void ForceInitializationOfPrimaryDisplay(const scoped_refptr<DrmDevice>& drm,
ScreenManager* screen_manager);
base::FilePath GetPrimaryDisplayCardPath();
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_GPU_DRM_UTIL_H_
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