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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_GPU_DISPLAY_MANAGER_H_
#define UI_OZONE_PLATFORM_DRM_GPU_DRM_GPU_DISPLAY_MANAGER_H_
#include <stdint.h>
#include "base/macros.h"
#include "base/memory/scoped_vector.h"
#include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
namespace ui {
class DrmDeviceManager;
class DrmDisplay;
class ScreenManager;
struct GammaRampRGBEntry;
class DrmGpuDisplayManager {
public:
DrmGpuDisplayManager(ScreenManager* screen_manager,
DrmDeviceManager* drm_device_manager);
~DrmGpuDisplayManager();
// Returns a list of the connected displays. When this is called the list of
// displays is refreshed.
std::vector<DisplaySnapshot_Params> GetDisplays();
// Returns all scanout formats for |widget| representing a particular display
// controller or default display controller for kNullAcceleratedWidget.
void GetScanoutFormats(gfx::AcceleratedWidget widget,
std::vector<gfx::BufferFormat>* scanout_formats);
// Takes/releases the control of the DRM devices.
bool TakeDisplayControl();
void RelinquishDisplayControl();
bool ConfigureDisplay(int64_t id,
const DisplayMode_Params& mode,
const gfx::Point& origin);
bool DisableDisplay(int64_t id);
bool GetHDCPState(int64_t display_id, HDCPState* state);
bool SetHDCPState(int64_t display_id, HDCPState state);
void SetGammaRamp(int64_t id, const std::vector<GammaRampRGBEntry>& lut);
private:
DrmDisplay* FindDisplay(int64_t display_id);
// Notify ScreenManager of all the displays that were present before the
// update but are gone after the update.
void NotifyScreenManager(
const std::vector<scoped_ptr<DrmDisplay>>& new_displays,
const std::vector<scoped_ptr<DrmDisplay>>& old_displays) const;
ScreenManager* screen_manager_; // Not owned.
DrmDeviceManager* drm_device_manager_; // Not owned.
std::vector<scoped_ptr<DrmDisplay>> displays_;
DISALLOW_COPY_AND_ASSIGN(DrmGpuDisplayManager);
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_GPU_DRM_GPU_DISPLAY_MANAGER_H_
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