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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 <stddef.h>
#include <memory>
#include <vector>
#include "base/files/file_path.h"
#include "base/macros.h"
#include "ui/display/types/display_snapshot.h"
#include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
#include "ui/ozone/platform/drm/common/display_types.h"
#include "ui/ozone/platform/drm/common/scoped_drm_types.h"
typedef struct _drmModeModeInfo drmModeModeInfo;
namespace display {
class DisplayMode;
class EdidParser;
} // namespace display
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.
std::vector<std::unique_ptr<HardwareDisplayControllerInfo>>
GetAvailableDisplayControllerInfos(int fd);
bool SameMode(const drmModeModeInfo& lhs, const drmModeModeInfo& rhs);
std::unique_ptr<display::DisplayMode> CreateDisplayMode(
const drmModeModeInfo& mode);
// Extracts the display modes list from |info| as well as the current and native
// display modes given the |active_pixel_size| which is retrieved from the first
// detailed timing descriptor in the EDID.
display::DisplaySnapshot::DisplayModeList ExtractDisplayModes(
HardwareDisplayControllerInfo* info,
const gfx::Size& active_pixel_size,
const display::DisplayMode** out_current_mode,
const display::DisplayMode** out_native_mode);
// |info| provides the DRM information related to the display, |fd| is the
// connection to the DRM device.
std::unique_ptr<display::DisplaySnapshot> CreateDisplaySnapshot(
HardwareDisplayControllerInfo* info,
int fd,
const base::FilePath& sys_path,
size_t device_index,
const gfx::Point& origin);
std::unique_ptr<display::DisplaySnapshot> CreateDisplaySnapshot(
const DisplaySnapshot_Params& params);
// Creates a serialized version of MovableDisplaySnapshots for IPC transmission.
std::vector<DisplaySnapshot_Params> CreateDisplaySnapshotParams(
const MovableDisplaySnapshots& displays);
int GetFourCCFormatFromBufferFormat(gfx::BufferFormat format);
gfx::BufferFormat GetBufferFormatFromFourCCFormat(int format);
int GetFourCCFormatForOpaqueFramebuffer(gfx::BufferFormat format);
gfx::Size GetMaximumCursorSize(int fd);
DisplayMode_Params GetDisplayModeParams(const display::DisplayMode& mode);
std::unique_ptr<display::DisplayMode> CreateDisplayModeFromParams(
const DisplayMode_Params& pmode);
bool MatchMode(const display::DisplayMode& display_mode,
const drmModeModeInfo& m);
const gfx::Size ModeSize(const drmModeModeInfo& mode);
float ModeRefreshRate(const drmModeModeInfo& mode);
bool ModeIsInterlaced(const drmModeModeInfo& mode);
OverlaySurfaceCandidateList CreateOverlaySurfaceCandidateListFrom(
const std::vector<OverlayCheck_Params>& params);
std::vector<OverlayCheck_Params> CreateParamsFromOverlaySurfaceCandidate(
const OverlaySurfaceCandidateList& candidates);
OverlayStatusList CreateOverlayStatusListFrom(
const std::vector<OverlayCheckReturn_Params>& params);
std::vector<OverlayCheckReturn_Params> CreateParamsFromOverlayStatusList(
const OverlayStatusList& returns);
// Uses |edid_parser| to extract a gfx::ColorSpace which will be IsValid() if
// both gamma and the color primaries were correctly found.
gfx::ColorSpace GetColorSpaceFromEdid(const display::EdidParser& edid_parser);
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_COMMON_DRM_UTIL_H_
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