DRM Device. More...

#include <drmdevice.h>

Public Member Functions
	cDrmDevice (cVideoRender , cSoftHdConfig )
	Create a drm device.

	~cDrmDevice (void)

int	Init (void)
	Initiate the drm device.

int	ReInit (void)
	Re-Init the drm device with a new connector mode.

int	InitGbm (void)
	Init gbm device and surface.

int	InitEGL (void)
	Init EGL context.

int	Fd (void)

void	Close (void)
	Close the drm file handle.

uint32_t	ConnectorId (void)

uint64_t	DisplayWidth (void)

uint64_t	DisplayHeight (void)

uint64_t	OsdWidth (void)

uint64_t	OsdHeight (void)

uint32_t	CrtcId (void)

int	UseZpos (void)

uint64_t	ZposOverlay (void)

uint64_t	ZposPrimary (void)

cDrmPlane *	OsdPlane (void)

cDrmPlane *	VideoPlane (void)

cDrmPlane *	PipPlane (void)

bool	HasPipPlane (void)

EGLSurface	EglSurface (void)

EGLDisplay	EglDisplay (void)

EGLContext	EglContext (void)

int	GlInitiated (void)

struct gbm_surface *	GbmSurface (void)

cDrmBuffer *	GetBufFromBo (struct gbm_bo *)
	Get a drm buffer from a gbm buffer object.

void	SaveCrtc (void)
	Save information of a CRTC.

void	RestoreCrtc (void)
	Restore information of a CRTC.

int	HandleEvent (void)
	Poll for a drm event.

void	InitEvent (void)
	Init the event context.

bool	CanHandleHdr (void)

bool	CanHandleMode (sDrmMode *)
	Return true, if the given mode is one of the collected ones.

drmModeAtomicReqPtr	ModeAtomicAlloc (void)

int	ModeAtomicCommit (drmModeAtomicReqPtr req, uint32_t flags, void *user_data)

void	ModeAtomicFree (drmModeAtomicReqPtr req)

int	SetConnectorCrtcId (drmModeAtomicReqPtr)

int	SetConnectorHdrOutputMetadata (drmModeAtomicReqPtr, uint32_t)

int	SetConnectorColorspace (drmModeAtomicReqPtr, uint32_t)

int	SetVideoPlaneColorEncoding (drmModeAtomicReqPtr, uint32_t)

int	SetVideoPlaneColorRange (drmModeAtomicReqPtr, uint32_t)

int	GetVideoPlaneColorRange (uint64_t *)

int	SetCrtcModeId (drmModeAtomicReqPtr, uint32_t)

int	SetCrtcActive (drmModeAtomicReqPtr, uint32_t)

int	CreateModeBlob (uint32_t *)

int	DestroyModeBlob (uint32_t)

int	CreateHdrBlob (struct hdr_output_metadata , size_t, uint32_t )

int	SetConnectorHdrBlobProperty (uint32_t)

int	DestroyHdrBlob (uint32_t)

Private Member Functions
int	CreatePropertyBlob (uint32_t *)
	Wrapper to create a property blob.

int	GetPropertyValue (uint32_t, uint32_t, const char , uint64_t )
	Get a drm property value.

uint32_t	GetPropertyID (uint32_t, uint32_t, const char *)
	Get a property ID.

int	SetPropertyRequest (drmModeAtomicReqPtr, uint32_t, uint32_t, const char *, uint64_t)
	Add a drm property to an atomic modeset request.

drmModeConnector *	FindDrmConnector (int, drmModeRes , const char )
	Find a suitable connector, preferably a connected one.

int32_t	FindCrtcForConnector (const drmModeRes , const drmModeConnector )
	Find the CRTC_ID for the given connector.

int	FindMode (void)
	Find a suitable mode from the current connector.

EGLConfig	GetEGLConfig (void)
	Get a suitable EGLConfig.

Private Attributes
cVideoRender *	m_pRender
	pointer to cVideoRender object

cSoftHdConfig *	m_pConfig
	pointer to cSoftHdConfig object

int	m_fdDrm = -1
	drm file descriptor

uint32_t	m_connectorId
	connector id

std::string	m_connectorName
	drm connector name

drmModeModeInfo	m_drmModeInfo
	mode info

uint32_t	m_crtcId
	current crtc ID

uint32_t	m_crtcIndex
	current crtc index

uint32_t	m_hdrMetadata = 0
	property id of HDR_OUTPUT_METADATA

drmModeCrtc *	m_drmModeCrtcSaved
	saved CRTC infos

drmEventContext	m_drmEventCtx
	drm event context

const char *	m_userDrmDevice = nullptr
	user requested drm device

const char *	m_userDrmConnector = nullptr
	user requested drm connector

int	m_userReqDisplayWidth = 0
	user requested display width

int	m_userReqDisplayHeight
	user requested display height

double	m_userReqDisplayRefreshRate
	user requested display refresh rate

bool	m_userReqDisplayInterlaced
	user requested display interlaced mode

int	m_userReqOsdWidth = 0
	user requested osd width

int	m_userReqOsdHeight
	user requested osd height

bool	m_useZpos = false
	is set, if drm hardware can use zpos

uint64_t	m_zposOverlay = 0
	zpos of overlay plane

uint64_t	m_zposPrimary = 0
	zpos of primary plane

cDrmPlane	m_videoPlane
	the video drm plane

cDrmPlane	m_osdPlane
	the osd drm plane

uint64_t	m_zposPip = 0
	zpos of pip plane

cDrmPlane	m_pipPlane
	the pip drm plane

struct gbm_device *	m_pGbmDevice
	pointer to the gbm device

struct gbm_surface *	m_pGbmSurface
	pointer to the gbm surface

EGLSurface	m_eglSurface
	EGL surface.

EGLDisplay	m_eglDisplay
	EGL display.

EGLContext	m_eglContext
	EGL context.

bool	m_glInitiated
	true, if OpenGL/ES context is initiated

Detailed Description

DRM Device.

Definition at line 83 of file drmdevice.h.

Constructor & Destructor Documentation

◆ cDrmDevice()

cDrmDevice::cDrmDevice	(	cVideoRender *	render,
		cSoftHdConfig *	config
	)

Create a drm device.

Parameters

render	pointer to cVideoRender object
config	pointer to current plugin configuration

Definition at line 49 of file drmdevice.cpp.

References cSoftHdConfig::ConfigOsdResolution, LOGDEBUG, m_pConfig, m_userReqDisplayHeight, m_userReqDisplayInterlaced, m_userReqDisplayRefreshRate, m_userReqDisplayWidth, m_userReqOsdHeight, m_userReqOsdWidth, cSoftHdConfig::RequestedDrmMode, cSoftHdConfig::UserSetDrmMode, and sDrmMode::width.

◆ ~cDrmDevice()

cDrmDevice::~cDrmDevice ( void )

Definition at line 74 of file drmdevice.cpp.

References L_DRM, and LOGDEBUG2.

Member Function Documentation

◆ CanHandleHdr()

bool cDrmDevice::CanHandleHdr ( void )

inline

Definition at line 127 of file drmdevice.h.

References m_hdrMetadata.

Referenced by cVideoRender::CanHandleHdr().

◆ CanHandleMode()

bool cDrmDevice::CanHandleMode ( sDrmMode * mode )

Return true, if the given mode is one of the collected ones.

Definition at line 323 of file drmdevice.cpp.

References AlmostEqual(), cSoftHdConfig::CollectedDrmModes, sDrmMode::height, sDrmMode::interlaced, L_DRM, LOGDEBUG2, m_pConfig, sDrmMode::refreshRateHz, and sDrmMode::width.

Referenced by cVideoRender::CanHandleMode().

◆ Close()

void cDrmDevice::Close ( void )

Close the drm file handle.

Definition at line 1166 of file drmdevice.cpp.

References L_DRM, LOGDEBUG2, and m_fdDrm.

Referenced by cVideoRender::Exit().

◆ ConnectorId()

uint32_t cDrmDevice::ConnectorId ( void )

inline

Definition at line 96 of file drmdevice.h.

References m_connectorId.

Referenced by cVideoRender::SetColorSpace().

◆ CreateHdrBlob()

int cDrmDevice::CreateHdrBlob	(	struct hdr_output_metadata *	data,
		size_t	size,
		uint32_t *	blobID
	)

Definition at line 1420 of file drmdevice.cpp.

References L_DRM, LOGDEBUG2, and m_fdDrm.

Referenced by cVideoRender::SetHdrBlob().

◆ CreateModeBlob()

int cDrmDevice::CreateModeBlob ( uint32_t * modeID )

Definition at line 1410 of file drmdevice.cpp.

References m_drmModeInfo, and m_fdDrm.

Referenced by cVideoRender::Init(), and cVideoRender::ReInitDisplayMode().

◆ CreatePropertyBlob()

int cDrmDevice::CreatePropertyBlob ( uint32_t * modeID )

private

Wrapper to create a property blob.

Creates a property blob for the drm mode which was found during Init()

Parameters

[out] modeID id of the blob

Return values

0	on success
-errno	on error

Todo:: According to drm logs, this blob must be destroyed by calling drmModeDestroyPropertyBlob which is probably missing

Definition at line 1188 of file drmdevice.cpp.

References m_drmModeInfo, and m_fdDrm.

◆ CrtcId()

uint32_t cDrmDevice::CrtcId ( void )

inline

Definition at line 103 of file drmdevice.h.

References m_crtcId.

Referenced by cVideoRender::Init(), cVideoRender::SetOsdBuffer(), cVideoRender::SetPipBuffer(), and cVideoRender::SetVideoBuffer().

◆ DestroyHdrBlob()

int cDrmDevice::DestroyHdrBlob ( uint32_t blobID )

Definition at line 1439 of file drmdevice.cpp.

References m_fdDrm.

Referenced by cVideoRender::SetHdrBlob().

◆ DestroyModeBlob()

int cDrmDevice::DestroyModeBlob ( uint32_t modeID )

Definition at line 1415 of file drmdevice.cpp.

References m_fdDrm.

Referenced by cVideoRender::Init(), and cVideoRender::ReInitDisplayMode().

◆ DisplayHeight()

uint64_t cDrmDevice::DisplayHeight ( void )

inline

Definition at line 99 of file drmdevice.h.

References m_drmModeInfo.

Referenced by cVideoRender::Init(), cVideoRender::InitBuffers(), OsdHeight(), cVideoRender::SetOsdBuffer(), cVideoRender::SetPipBuffer(), and cVideoRender::SetVideoBuffer().

◆ DisplayWidth()

uint64_t cDrmDevice::DisplayWidth ( void )

inline

Definition at line 98 of file drmdevice.h.

References m_drmModeInfo.

Referenced by cVideoRender::Init(), cVideoRender::InitBuffers(), OsdWidth(), cVideoRender::SetOsdBuffer(), cVideoRender::SetPipBuffer(), and cVideoRender::SetVideoBuffer().

◆ EglContext()

EGLContext cDrmDevice::EglContext ( void )

inline

Definition at line 116 of file drmdevice.h.

References m_eglContext.

Referenced by cVideoRender::EglContext().

◆ EglDisplay()

EGLDisplay cDrmDevice::EglDisplay ( void )

inline

Definition at line 115 of file drmdevice.h.

References m_eglDisplay.

Referenced by cVideoRender::EglDisplay(), cVideoRender::OsdClear(), and cVideoRender::OsdDrawARGB().

◆ EglSurface()

EGLSurface cDrmDevice::EglSurface ( void )

inline

Definition at line 114 of file drmdevice.h.

References m_eglSurface.

Referenced by cVideoRender::EglSurface(), cVideoRender::OsdClear(), and cVideoRender::OsdDrawARGB().

◆ Fd()

int cDrmDevice::Fd ( void )

inline

Definition at line 92 of file drmdevice.h.

References m_fdDrm.

Referenced by cVideoRender::InitBuffers(), and cVideoRender::PushFrame().

◆ FindCrtcForConnector()

int32_t cDrmDevice::FindCrtcForConnector	(	const drmModeRes *	resources,
		const drmModeConnector *	connector
	)

private

Find the CRTC_ID for the given connector.

Parameters

resources	drm resources
connector	drm connector

Returns: CRTC_ID

Definition at line 1143 of file drmdevice.cpp.

References FindCrtcForEncoder(), and m_fdDrm.

Referenced by Init().

◆ FindMode()

int cDrmDevice::FindMode ( void )

private

Find a suitable mode from the current connector.

Mode selection priority: 1) user requested 2) progressive mode with biggest width@50Hz 3) progressive mode with biggest width@60Hz 4) progressive mode with biggest width@anyHz

Definition at line 730 of file drmdevice.cpp.

References AlmostEqual(), cSoftHdConfig::AutoDetectedDrmMode, cSoftHdConfig::CurrentDrmMode, GetRefreshRateHz(), InterlacedMode(), L_DRM, LOGDEBUG2, LOGERROR, LOGWARNING, m_connectorId, m_drmModeInfo, m_fdDrm, m_pConfig, m_pRender, m_userReqDisplayHeight, m_userReqDisplayInterlaced, m_userReqDisplayRefreshRate, m_userReqDisplayWidth, cVideoRender::SetScreenSize(), and sDrmMode::width.

Referenced by Init(), and ReInit().

◆ GbmSurface()

struct gbm_surface * cDrmDevice::GbmSurface ( void )

inline

Definition at line 118 of file drmdevice.h.

References m_pGbmSurface.

Referenced by cVideoRender::OsdClear(), and cVideoRender::OsdDrawARGB().

◆ GetBufFromBo()

cDrmBuffer * cDrmDevice::GetBufFromBo ( struct gbm_bo * bo )

Get a drm buffer from a gbm buffer object.

Parameters

bo	gbm buffer object

Returns: a drm buffer corresponding to the gbm buffer object

Definition at line 1030 of file drmdevice.cpp.

References drm_fb_destroy_callback(), L_DRM, LOGDEBUG2, LOGFATAL, and m_fdDrm.

Referenced by cVideoRender::OsdClear(), and cVideoRender::OsdDrawARGB().

◆ GetPropertyID()

uint32_t cDrmDevice::GetPropertyID	(	uint32_t	objectID,
		uint32_t	objectType,
		const char *	propName
	)

private

Get a property ID.

Parameters

objectID	drm object ID
objectType	drm object type
propName	drm property name

Returns: the value if found, 0 otherwise

Definition at line 1291 of file drmdevice.cpp.

References L_DRM, LOGDEBUG2, and m_fdDrm.

Referenced by Init().

◆ GetPropertyValue()

int cDrmDevice::GetPropertyValue	(	uint32_t	objectID,
		uint32_t	objectType,
		const char *	propName,
		uint64_t *	value
	)

private

Get a drm property value.

Parameters

	objectID	drm object ID
	objectType	drm object type
	propName	drm property name
[out]	value	value for the requested property

Return values

0	value was found
-1	value was not found

Definition at line 1246 of file drmdevice.cpp.

References L_DRM, LOGDEBUG2, and m_fdDrm.

Referenced by GetVideoPlaneColorRange(), and Init().

◆ GetVideoPlaneColorRange()

int cDrmDevice::GetVideoPlaneColorRange ( uint64_t * value )

Definition at line 1395 of file drmdevice.cpp.

References cDrmPlane::GetId(), GetPropertyValue(), and m_videoPlane.

Referenced by cVideoRender::SetHdrBlob().

◆ GlInitiated()

int cDrmDevice::GlInitiated ( void )

inline

Definition at line 117 of file drmdevice.h.

References m_glInitiated.

Referenced by cVideoRender::GlInitiated().

◆ HandleEvent()

int cDrmDevice::HandleEvent ( void )

Poll for a drm event.

Return values

0	if successful
-1	on error

Definition at line 1353 of file drmdevice.cpp.

References m_drmEventCtx, and m_fdDrm.

Referenced by cVideoRender::DrmHandleEvent(), and cVideoRender::PageFlip().

◆ HasPipPlane()

bool cDrmDevice::HasPipPlane ( void )

inline

Definition at line 111 of file drmdevice.h.

References cDrmPlane::GetId(), and m_pipPlane.

Referenced by cVideoRender::Init().

◆ Init()

int cDrmDevice::Init ( void )

Initiate the drm device.

1) Try to open the user requested device (with -o /dev/dri/cardX) 2) On error or if not set, find a any suitable device 3) Find a connector (priority: user requested, connected, unconnected) 4) Find a connector mode 5) Find crtc encoder 6) Find suitable planes for video (NV12), OSD (ARGB) and PiP (NV12) 7) Init GBM 8) Init EGL

Return values

0	on success
-errno	on error

Definition at line 366 of file drmdevice.cpp.

References cSoftHdConfig::CollectedDrmModes, ConnectorName(), Contains(), DrmModeWhitelist, cDrmPlane::FillProperties(), FindCrtcForConnector(), FindDrmConnector(), FindDrmDevice(), FindMode(), cDrmPlane::GetId(), GetPropertyID(), GetPropertyValue(), GetRefreshRateHz(), cDrmPlane::GetType(), cDrmPlane::GetZpos(), cDrmPlane::HasZpos(), InterlacedMode(), L_DRM, LOGDEBUG2, LOGERROR, LOGFATAL, LOGINFO, LOGWARNING, m_connectorId, m_connectorName, m_crtcId, m_crtcIndex, m_drmModeInfo, m_fdDrm, m_hdrMetadata, m_osdPlane, m_pConfig, m_pipPlane, m_pRender, m_userDrmConnector, m_userDrmDevice, m_useZpos, m_videoPlane, m_zposOverlay, m_zposPip, m_zposPrimary, OpenDrmDevice(), OsdHeight(), OsdWidth(), plane, cDrmPlane::SetId(), cVideoRender::SetOsdSize(), cDrmPlane::SetType(), and cDrmPlane::SetZpos().

Referenced by cVideoRender::Init().

◆ InitEGL()

int cDrmDevice::InitEGL ( void )

Init EGL context.

Return values

0	on success
-1	on error

Definition at line 936 of file drmdevice.cpp.

References context_attribute_list, EGL_CHECK, get_platform_display, get_platform_surface, GetEGLConfig(), L_OPENGL, LOGDEBUG2, LOGERROR, LOGINFO, m_eglContext, m_eglDisplay, m_eglSurface, m_glInitiated, m_pGbmDevice, and m_pGbmSurface.

Referenced by cVideoRender::Init().

◆ InitEvent()

void cDrmDevice::InitEvent ( void )

Init the event context.

Definition at line 1361 of file drmdevice.cpp.

References m_drmEventCtx.

Referenced by cVideoRender::Init().

◆ InitGbm()

int cDrmDevice::InitGbm ( void )

Init gbm device and surface.

Return values

0	on success
-1	on error

Definition at line 844 of file drmdevice.cpp.

References LOGERROR, m_fdDrm, m_pGbmDevice, m_pGbmSurface, OsdHeight(), and OsdWidth().

Referenced by cVideoRender::Init().

◆ ModeAtomicAlloc()

drmModeAtomicReqPtr cDrmDevice::ModeAtomicAlloc ( void )

inline

Definition at line 131 of file drmdevice.h.

Referenced by cVideoRender::CommitBuffer(), cVideoRender::Init(), cVideoRender::ReInitDisplayMode(), cVideoRender::RestoreColorSpace(), and cVideoRender::SetColorSpace().

◆ ModeAtomicCommit()

int cDrmDevice::ModeAtomicCommit	(	drmModeAtomicReqPtr	req,
		uint32_t	flags,
		void *	user_data
	)

inline

Definition at line 132 of file drmdevice.h.

References m_fdDrm.

Referenced by cVideoRender::CommitBuffer(), cVideoRender::Init(), cVideoRender::ReInitDisplayMode(), cVideoRender::RestoreColorSpace(), and cVideoRender::SetColorSpace().

◆ ModeAtomicFree()

void cDrmDevice::ModeAtomicFree ( drmModeAtomicReqPtr req )

inline

Definition at line 133 of file drmdevice.h.

Referenced by cVideoRender::CommitBuffer(), cVideoRender::Init(), cVideoRender::ReInitDisplayMode(), cVideoRender::RestoreColorSpace(), and cVideoRender::SetColorSpace().

◆ OsdHeight()

uint64_t cDrmDevice::OsdHeight ( void )

inline

Definition at line 101 of file drmdevice.h.

References DisplayHeight(), m_userReqOsdHeight, and m_userReqOsdWidth.

Referenced by Init(), cVideoRender::InitBuffers(), and InitGbm().

◆ OsdPlane()

cDrmPlane * cDrmDevice::OsdPlane ( void )

inline

Definition at line 108 of file drmdevice.h.

References m_osdPlane.

Referenced by cVideoRender::CommitBuffer(), cVideoRender::Exit(), cVideoRender::Init(), and cVideoRender::SetOsdBuffer().

◆ OsdWidth()

uint64_t cDrmDevice::OsdWidth ( void )

inline

Definition at line 100 of file drmdevice.h.

References DisplayWidth(), and m_userReqOsdWidth.

Referenced by Init(), cVideoRender::InitBuffers(), and InitGbm().

◆ PipPlane()

cDrmPlane * cDrmDevice::PipPlane ( void )

inline

Definition at line 110 of file drmdevice.h.

References m_pipPlane.

Referenced by cVideoRender::CommitBuffer(), and cVideoRender::SetPipBuffer().

◆ ReInit()

int cDrmDevice::ReInit ( void )

Re-Init the drm device with a new connector mode.

Mode selection priority: 1) selected mode from setup menu or mode depending on video resolution (RequestedDrmMode) 2) command line requested mode (UserSetDrmMode) 3) other suitable mode:

mode with biggest width@50Hz
mode with biggest width@60Hz
mode with biggest width@anyHz

Definition at line 816 of file drmdevice.cpp.

References FindMode(), LOGDEBUG, m_pConfig, m_userReqDisplayHeight, m_userReqDisplayInterlaced, m_userReqDisplayRefreshRate, m_userReqDisplayWidth, cSoftHdConfig::RequestedDrmMode, cSoftHdConfig::UserSetDrmMode, and sDrmMode::width.

Referenced by cVideoRender::ReInitDisplayMode().

◆ RestoreCrtc()

void cDrmDevice::RestoreCrtc ( void )

Restore information of a CRTC.

Definition at line 1338 of file drmdevice.cpp.

References m_connectorId, m_drmModeCrtcSaved, and m_fdDrm.

Referenced by cVideoRender::Exit().

◆ SaveCrtc()

void cDrmDevice::SaveCrtc ( void )

Save information of a CRTC.

Definition at line 1330 of file drmdevice.cpp.

References m_crtcId, m_drmModeCrtcSaved, and m_fdDrm.

Referenced by cVideoRender::Init().

◆ SetConnectorColorspace()

int cDrmDevice::SetConnectorColorspace	(	drmModeAtomicReqPtr	modeReq,
		uint32_t	id
	)

Definition at line 1380 of file drmdevice.cpp.

References m_connectorId, and SetPropertyRequest().

Referenced by cVideoRender::RestoreColorSpace(), and cVideoRender::SetColorSpace().

◆ SetConnectorCrtcId()

int cDrmDevice::SetConnectorCrtcId ( drmModeAtomicReqPtr modeReq )

Definition at line 1370 of file drmdevice.cpp.

References m_connectorId, m_crtcId, and SetPropertyRequest().

Referenced by cVideoRender::Init(), and cVideoRender::ReInitDisplayMode().

◆ SetConnectorHdrBlobProperty()

int cDrmDevice::SetConnectorHdrBlobProperty ( uint32_t blobID )

Definition at line 1429 of file drmdevice.cpp.

References L_DRM, LOGDEBUG2, m_connectorId, m_fdDrm, and m_hdrMetadata.

Referenced by cVideoRender::SetHdrBlob().

◆ SetConnectorHdrOutputMetadata()

int cDrmDevice::SetConnectorHdrOutputMetadata	(	drmModeAtomicReqPtr	modeReq,
		uint32_t	id
	)

Definition at line 1375 of file drmdevice.cpp.

References m_connectorId, and SetPropertyRequest().

Referenced by cVideoRender::RestoreColorSpace().

◆ SetCrtcActive()

int cDrmDevice::SetCrtcActive	(	drmModeAtomicReqPtr	modeReq,
		uint32_t	id
	)

Definition at line 1405 of file drmdevice.cpp.

References m_crtcId, and SetPropertyRequest().

Referenced by cVideoRender::Init().

◆ SetCrtcModeId()

int cDrmDevice::SetCrtcModeId	(	drmModeAtomicReqPtr	modeReq,
		uint32_t	id
	)

Definition at line 1400 of file drmdevice.cpp.

References m_crtcId, and SetPropertyRequest().

Referenced by cVideoRender::Init(), and cVideoRender::ReInitDisplayMode().

◆ SetPropertyRequest()

int cDrmDevice::SetPropertyRequest	(	drmModeAtomicReqPtr	ModeReq,
		uint32_t	objectID,
		uint32_t	objectType,
		const char *	propName,
		uint64_t	value
	)

private

Add a drm property to an atomic modeset request.

Parameters

ModeReq	atomic request object
objectID	drm object id
objectType	drm object type
propName	name of the drm property to be set
value	the value, the drm property should get

Returns: negative value on errors, otherwise the number of properties in the atomic request

Definition at line 1204 of file drmdevice.cpp.

References L_DRM, LOGDEBUG2, and m_fdDrm.

Referenced by SetConnectorColorspace(), SetConnectorCrtcId(), SetConnectorHdrOutputMetadata(), SetCrtcActive(), SetCrtcModeId(), SetVideoPlaneColorEncoding(), and SetVideoPlaneColorRange().

◆ SetVideoPlaneColorEncoding()

int cDrmDevice::SetVideoPlaneColorEncoding	(	drmModeAtomicReqPtr	modeReq,
		uint32_t	id
	)

Definition at line 1385 of file drmdevice.cpp.

References cDrmPlane::GetId(), m_videoPlane, and SetPropertyRequest().

Referenced by cVideoRender::RestoreColorSpace(), and cVideoRender::SetColorSpace().

◆ SetVideoPlaneColorRange()

int cDrmDevice::SetVideoPlaneColorRange	(	drmModeAtomicReqPtr	modeReq,
		uint32_t	id
	)

Definition at line 1390 of file drmdevice.cpp.

References cDrmPlane::GetId(), m_videoPlane, and SetPropertyRequest().

Referenced by cVideoRender::RestoreColorSpace(), and cVideoRender::SetColorSpace().

◆ UseZpos()

int cDrmDevice::UseZpos ( void )

inline

Definition at line 104 of file drmdevice.h.

References m_useZpos.

Referenced by cVideoRender::Init(), and cVideoRender::SetOsdBuffer().

◆ VideoPlane()

cDrmPlane * cDrmDevice::VideoPlane ( void )

inline

Definition at line 109 of file drmdevice.h.

References m_videoPlane.

Referenced by cVideoRender::CommitBuffer(), cVideoRender::Exit(), cVideoRender::Init(), cVideoRender::SetColorSpace(), cVideoRender::SetOsdBuffer(), and cVideoRender::SetVideoBuffer().

◆ ZposOverlay()

uint64_t cDrmDevice::ZposOverlay ( void )

inline

Definition at line 105 of file drmdevice.h.

References m_zposOverlay.

Referenced by cVideoRender::Init(), and cVideoRender::SetOsdBuffer().

◆ ZposPrimary()

uint64_t cDrmDevice::ZposPrimary ( void )

inline

Definition at line 106 of file drmdevice.h.

References m_zposPrimary.

Referenced by cVideoRender::Init(), and cVideoRender::SetOsdBuffer().

Member Data Documentation

◆ m_connectorId

uint32_t cDrmDevice::m_connectorId

private

connector id

Definition at line 153 of file drmdevice.h.

Referenced by ConnectorId(), FindMode(), Init(), RestoreCrtc(), SetConnectorColorspace(), SetConnectorCrtcId(), SetConnectorHdrBlobProperty(), and SetConnectorHdrOutputMetadata().

◆ m_connectorName

std::string cDrmDevice::m_connectorName

private

drm connector name

Definition at line 154 of file drmdevice.h.

Referenced by Init().

◆ m_crtcId

uint32_t cDrmDevice::m_crtcId

private

current crtc ID

Definition at line 156 of file drmdevice.h.

Referenced by CrtcId(), Init(), SaveCrtc(), SetConnectorCrtcId(), SetCrtcActive(), and SetCrtcModeId().

◆ m_crtcIndex

uint32_t cDrmDevice::m_crtcIndex

private

current crtc index

Definition at line 157 of file drmdevice.h.

Referenced by Init().

◆ m_drmEventCtx

drmEventContext cDrmDevice::m_drmEventCtx

private

drm event context

Definition at line 160 of file drmdevice.h.

Referenced by HandleEvent(), and InitEvent().

◆ m_drmModeCrtcSaved

drmModeCrtc* cDrmDevice::m_drmModeCrtcSaved

private

saved CRTC infos

Definition at line 159 of file drmdevice.h.

Referenced by RestoreCrtc(), and SaveCrtc().

◆ m_drmModeInfo

drmModeModeInfo cDrmDevice::m_drmModeInfo

private

mode info

Definition at line 155 of file drmdevice.h.

Referenced by CreateModeBlob(), CreatePropertyBlob(), DisplayHeight(), DisplayWidth(), FindMode(), and Init().

◆ m_eglContext

EGLContext cDrmDevice::m_eglContext

private

EGL context.

Definition at line 193 of file drmdevice.h.

Referenced by EglContext(), and InitEGL().

◆ m_eglDisplay

EGLDisplay cDrmDevice::m_eglDisplay

private

EGL display.

Definition at line 192 of file drmdevice.h.

Referenced by EglDisplay(), GetEGLConfig(), and InitEGL().

◆ m_eglSurface

EGLSurface cDrmDevice::m_eglSurface

private

EGL surface.

Definition at line 191 of file drmdevice.h.

Referenced by EglSurface(), and InitEGL().

◆ m_fdDrm

int cDrmDevice::m_fdDrm = -1

private

drm file descriptor

Definition at line 152 of file drmdevice.h.

Referenced by Close(), CreateHdrBlob(), CreateModeBlob(), CreatePropertyBlob(), DestroyHdrBlob(), DestroyModeBlob(), Fd(), FindCrtcForConnector(), FindMode(), GetBufFromBo(), GetPropertyID(), GetPropertyValue(), HandleEvent(), Init(), InitGbm(), ModeAtomicCommit(), RestoreCrtc(), SaveCrtc(), SetConnectorHdrBlobProperty(), and SetPropertyRequest().

◆ m_glInitiated

bool cDrmDevice::m_glInitiated

private

true, if OpenGL/ES context is initiated

Definition at line 194 of file drmdevice.h.

Referenced by GlInitiated(), and InitEGL().

◆ m_hdrMetadata

uint32_t cDrmDevice::m_hdrMetadata = 0

private

property id of HDR_OUTPUT_METADATA

Definition at line 158 of file drmdevice.h.

Referenced by CanHandleHdr(), Init(), and SetConnectorHdrBlobProperty().

◆ m_osdPlane

cDrmPlane cDrmDevice::m_osdPlane

private

the osd drm plane

Definition at line 175 of file drmdevice.h.

Referenced by Init(), and OsdPlane().

◆ m_pConfig

cSoftHdConfig* cDrmDevice::m_pConfig

private

pointer to cSoftHdConfig object

Definition at line 150 of file drmdevice.h.

Referenced by CanHandleMode(), cDrmDevice(), FindMode(), Init(), and ReInit().

◆ m_pGbmDevice

struct gbm_device* cDrmDevice::m_pGbmDevice

private

pointer to the gbm device

Definition at line 188 of file drmdevice.h.

Referenced by InitEGL(), and InitGbm().

◆ m_pGbmSurface

struct gbm_surface* cDrmDevice::m_pGbmSurface

private

pointer to the gbm surface

Definition at line 189 of file drmdevice.h.

Referenced by GbmSurface(), InitEGL(), and InitGbm().

◆ m_pipPlane

cDrmPlane cDrmDevice::m_pipPlane

private

the pip drm plane

Definition at line 177 of file drmdevice.h.

Referenced by HasPipPlane(), Init(), and PipPlane().

◆ m_pRender

cVideoRender* cDrmDevice::m_pRender

private

pointer to cVideoRender object

Definition at line 149 of file drmdevice.h.

Referenced by FindMode(), and Init().

◆ m_userDrmConnector

const char* cDrmDevice::m_userDrmConnector = nullptr

private

user requested drm connector

Definition at line 163 of file drmdevice.h.

Referenced by Init().

◆ m_userDrmDevice

const char* cDrmDevice::m_userDrmDevice = nullptr

private

user requested drm device

Definition at line 162 of file drmdevice.h.

Referenced by Init().

◆ m_userReqDisplayHeight

int cDrmDevice::m_userReqDisplayHeight

private

user requested display height

Definition at line 165 of file drmdevice.h.

Referenced by cDrmDevice(), FindMode(), and ReInit().

◆ m_userReqDisplayInterlaced

bool cDrmDevice::m_userReqDisplayInterlaced

private

user requested display interlaced mode

Definition at line 167 of file drmdevice.h.

Referenced by cDrmDevice(), FindMode(), and ReInit().

◆ m_userReqDisplayRefreshRate

double cDrmDevice::m_userReqDisplayRefreshRate

private

user requested display refresh rate

Definition at line 166 of file drmdevice.h.

Referenced by cDrmDevice(), FindMode(), and ReInit().

◆ m_userReqDisplayWidth

int cDrmDevice::m_userReqDisplayWidth = 0

private

user requested display width

Definition at line 164 of file drmdevice.h.

Referenced by cDrmDevice(), FindMode(), and ReInit().

◆ m_userReqOsdHeight

int cDrmDevice::m_userReqOsdHeight

private

user requested osd height

Definition at line 169 of file drmdevice.h.

Referenced by cDrmDevice(), and OsdHeight().

◆ m_userReqOsdWidth

int cDrmDevice::m_userReqOsdWidth = 0

private

user requested osd width

Definition at line 168 of file drmdevice.h.

Referenced by cDrmDevice(), OsdHeight(), and OsdWidth().

◆ m_useZpos

bool cDrmDevice::m_useZpos = false

private

is set, if drm hardware can use zpos

Definition at line 171 of file drmdevice.h.

Referenced by Init(), and UseZpos().

◆ m_videoPlane

cDrmPlane cDrmDevice::m_videoPlane

private

the video drm plane

Definition at line 174 of file drmdevice.h.

Referenced by GetVideoPlaneColorRange(), Init(), SetVideoPlaneColorEncoding(), SetVideoPlaneColorRange(), and VideoPlane().

◆ m_zposOverlay

uint64_t cDrmDevice::m_zposOverlay = 0

private

zpos of overlay plane

Definition at line 172 of file drmdevice.h.

Referenced by Init(), and ZposOverlay().

◆ m_zposPip

uint64_t cDrmDevice::m_zposPip = 0

private

zpos of pip plane

Definition at line 176 of file drmdevice.h.

Referenced by Init().

◆ m_zposPrimary

uint64_t cDrmDevice::m_zposPrimary = 0

private

zpos of primary plane

Definition at line 173 of file drmdevice.h.

Referenced by Init(), and ZposPrimary().

The documentation for this class was generated from the following files:

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ cDrmDevice()

◆ ~cDrmDevice()

Member Function Documentation

◆ CanHandleHdr()

◆ CanHandleMode()

◆ Close()

◆ ConnectorId()

◆ CreateHdrBlob()

◆ CreateModeBlob()

◆ CreatePropertyBlob()

◆ CrtcId()

◆ DestroyHdrBlob()

◆ DestroyModeBlob()

◆ DisplayHeight()

◆ DisplayWidth()

◆ EglContext()

◆ EglDisplay()

◆ EglSurface()

◆ Fd()

◆ FindCrtcForConnector()

◆ FindMode()

◆ GbmSurface()

◆ GetBufFromBo()

◆ GetPropertyID()

◆ GetPropertyValue()

◆ GetVideoPlaneColorRange()

◆ GlInitiated()

◆ HandleEvent()

◆ HasPipPlane()

◆ Init()

◆ InitEGL()

◆ InitEvent()

◆ InitGbm()

◆ ModeAtomicAlloc()

◆ ModeAtomicCommit()

◆ ModeAtomicFree()

◆ OsdHeight()

◆ OsdPlane()

◆ OsdWidth()

◆ PipPlane()

◆ ReInit()

◆ RestoreCrtc()

◆ SaveCrtc()

◆ SetConnectorColorspace()

◆ SetConnectorCrtcId()

◆ SetConnectorHdrBlobProperty()

◆ SetConnectorHdrOutputMetadata()

◆ SetCrtcActive()

◆ SetCrtcModeId()

◆ SetPropertyRequest()

◆ SetVideoPlaneColorEncoding()

◆ SetVideoPlaneColorRange()

◆ UseZpos()

◆ VideoPlane()

◆ ZposOverlay()

◆ ZposPrimary()

Member Data Documentation

◆ m_connectorId

◆ m_connectorName

◆ m_crtcId

◆ m_crtcIndex

◆ m_drmEventCtx

◆ m_drmModeCrtcSaved

◆ m_drmModeInfo

◆ m_eglContext

◆ m_eglDisplay

◆ m_eglSurface

◆ m_fdDrm

◆ m_glInitiated

◆ m_hdrMetadata

◆ m_osdPlane

◆ m_pConfig

◆ m_pGbmDevice

◆ m_pGbmSurface

◆ m_pipPlane