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// Copyright 2015 The Chromium Authors
// 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_DISPLAY_H_
#define UI_OZONE_PLATFORM_DRM_GPU_DRM_DISPLAY_H_
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <optional>
#include <vector>
#include "base/containers/flat_map.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/raw_ref.h"
#include "base/memory/scoped_refptr.h"
#include "ui/display/types/display_constants.h"
#include "ui/gfx/color_space.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/hdr_static_metadata.h"
#include "ui/ozone/platform/drm/common/hardware_display_controller_info.h"
#include "ui/ozone/platform/drm/common/scoped_drm_types.h"
#include "ui/ozone/platform/drm/common/tile_property.h"
typedef struct _drmModeModeInfo drmModeModeInfo;
namespace display {
class DisplaySnapshot;
struct ColorTemperatureAdjustment;
struct ColorCalibration;
struct GammaAdjustment;
} // namespace display
namespace ui {
class DrmDevice;
class HardwareDisplayControllerInfo;
class DrmDisplay {
public:
class PrivacyScreenProperty {
public:
explicit PrivacyScreenProperty(const scoped_refptr<DrmDevice>& drm,
drmModeConnector* connector);
PrivacyScreenProperty(const PrivacyScreenProperty&) = delete;
PrivacyScreenProperty& operator=(const PrivacyScreenProperty&) = delete;
~PrivacyScreenProperty();
bool SetPrivacyScreenProperty(bool enabled);
private:
display::PrivacyScreenState GetPrivacyScreenState() const;
bool ValidateCurrentStateAgainst(bool enabled) const;
drmModePropertyRes* GetReadPrivacyScreenProperty() const;
drmModePropertyRes* GetWritePrivacyScreenProperty() const;
const scoped_refptr<DrmDevice> drm_;
raw_ptr<drmModeConnector> connector_ = nullptr; // not owned.
display::PrivacyScreenState property_last_ =
display::kPrivacyScreenStateLast;
ScopedDrmPropertyPtr privacy_screen_hw_state_;
ScopedDrmPropertyPtr privacy_screen_sw_state_;
ScopedDrmPropertyPtr privacy_screen_legacy_;
};
struct CrtcConnectorPair {
CrtcConnectorPair(uint32_t crtc_id,
ScopedDrmConnectorPtr connector,
std::optional<gfx::Point> tile_location);
CrtcConnectorPair(const CrtcConnectorPair& other) = delete;
CrtcConnectorPair& operator=(const CrtcConnectorPair& other) = delete;
CrtcConnectorPair(CrtcConnectorPair&& other) noexcept;
CrtcConnectorPair& operator=(CrtcConnectorPair&& other) noexcept;
~CrtcConnectorPair();
uint32_t crtc_id;
ScopedDrmConnectorPtr connector;
std::optional<gfx::Point> tile_location;
};
// Note that some of |info|'s references ownership will be handed to this
// DrmDisplay instance.
explicit DrmDisplay(const scoped_refptr<DrmDevice>& drm,
HardwareDisplayControllerInfo* info,
const display::DisplaySnapshot& display_snapshot);
DrmDisplay(const DrmDisplay&) = delete;
DrmDisplay& operator=(const DrmDisplay&) = delete;
~DrmDisplay();
int64_t display_id() const { return display_id_; }
int64_t base_connector_id() const { return base_connector_id_; }
scoped_refptr<DrmDevice> drm() const { return drm_; }
uint32_t GetPrimaryCrtcId() const {
return primary_crtc_connector_pair_->crtc_id;
}
uint32_t GetPrimaryConnectorId() const;
const std::vector<CrtcConnectorPair>& crtc_connector_pairs() const;
const std::vector<drmModeModeInfo>& modes() const { return modes_; }
const gfx::Point& origin() { return origin_; }
const std::optional<uint16_t>& vsync_rate_min_from_edid() const {
return vsync_rate_min_from_edid_;
}
bool ContainsCrtc(uint32_t crtc_id) const;
void SetOrigin(const gfx::Point origin) { origin_ = origin; }
bool SetHdcpKeyProp(const std::string& key);
bool GetHDCPState(display::HDCPState* state,
display::ContentProtectionMethod* protection_method);
bool SetHDCPState(display::HDCPState state,
display::ContentProtectionMethod protection_method);
void SetColorTemperatureAdjustment(
const display::ColorTemperatureAdjustment& cta);
void SetColorCalibration(const display::ColorCalibration& calibration);
void SetGammaAdjustment(const display::GammaAdjustment& adjustment);
void SetBackgroundColor(const uint64_t background_color);
bool SetPrivacyScreen(bool enabled);
bool SetHdrOutputMetadata(const gfx::ColorSpace color_space);
bool SetColorspaceProperty(const gfx::ColorSpace color_space);
bool IsVrrCapable() const;
// Replace CRTCs in |crtc_connector_pairs_| according to mapping provided by
// |current_to_new_crtc_ids|. Must replace all CRTCs in
// |crtc_connector_pairs_| in a single call. New CRTC IDs must be unique. All
// new CRTCs should be checked to be compatible with the connectors before the
// call.
bool ReplaceCrtcs(
const base::flat_map<uint32_t /*current_crtc*/, uint32_t /*new_crtc*/>&
current_to_new_crtc_ids);
std::optional<TileProperty> GetTileProperty() const;
const CrtcConnectorPair* GetCrtcConnectorPairForConnectorId(
uint32_t connector_id) const;
private:
gfx::HDRStaticMetadata::Eotf GetEotf(
const gfx::ColorSpace::TransferID transfer_id);
bool ClearHdrOutputMetadata();
const int64_t display_id_;
const int64_t base_connector_id_;
const scoped_refptr<DrmDevice> drm_;
std::vector<CrtcConnectorPair> crtc_connector_pairs_;
// Main CRTC and connector used to identify the display and apply certain
// display-specific properties. If there is only one CrtcConnectorPair pair,
// then that pair would be the primary. Note that
// |primary_crtc_connector_pair_| is a reference to |crtc_connector_pairs_|,
// and thus must be initialized AFTER |crtc_connector_pairs_|.
const raw_ref<const CrtcConnectorPair> primary_crtc_connector_pair_;
std::vector<drmModeModeInfo> modes_;
gfx::Point origin_;
std::optional<gfx::HDRStaticMetadata> hdr_static_metadata_;
std::unique_ptr<PrivacyScreenProperty> privacy_screen_property_;
std::optional<uint16_t> vsync_rate_min_from_edid_;
std::optional<TileProperty> tile_property_;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_GPU_DRM_DISPLAY_H_
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