A wrapper around FreeSync/Adaptive-Sync support. More...

#include <libmythui/platforms/drm/mythdrmvrr.h>

Inheritance diagram for MythDRMVRR:

Collaboration diagram for MythDRMVRR:

Public Member Functions
	~MythDRMVRR () override

void	SetEnabled (bool Enable=true) override

DRMProp	GetVRRProperty ()

Public Member Functions inherited from MythVRR
virtual	~MythVRR ()=default

QString	TypeToString () const

bool	Enabled () const

MythVRRRange	GetRange () const

QString	RangeDescription () const

bool	IsControllable () const

Static Public Member Functions
static void	ForceFreeSync (const MythDRMPtr &Device, bool Enable)
	Force FreeSync on or off before the main app is started. More...

static MythVRRPtr	CreateFreeSync (const MythDRMPtr &Device, MythVRRRange Range)

Static Public Member Functions inherited from MythVRR
static MythVRRPtr	Create (class MythDisplay *MDisplay)
	Create a concrete implementation of MythVRR suitable for the given Display. More...

Static Public Attributes
static bool	s_freeSyncResetOnExit = false

static bool	s_freeSyncDefaultValue = false

Protected Member Functions
	MythDRMVRR (MythDRMPtr Device, DRMProp VRRProp, bool Controllable, bool Enabled, MythVRRRange Range)

Protected Member Functions inherited from MythVRR
	MythVRR (bool Controllable, VRRType Type, bool Enabled, MythVRRRange Range)

Private Attributes
MythDRMPtr	m_device { nullptr }

DRMProp	m_vrrProp { nullptr }

Additional Inherited Members
Public Types inherited from MythVRR
enum	VRRType : std::uint8_t { Unknown = 0, FreeSync, GSync, GSyncCompat }

Protected Attributes inherited from MythVRR
bool	m_controllable { false }

VRRType	m_type { Unknown }

bool	m_enabled { false }

MythVRRRange	m_range { 0, 0, false }

Detailed Description

A wrapper around FreeSync/Adaptive-Sync support.

FreeSync support on linux is currently limited to AMD when using a Display Port connection. FreeSync must be either enabled before starting MythTV (e.g xorg.conf) or the command line option -/–vrr can be used to try and force it on or off at startup. Note however that if running under X11 or Wayland, MythTV will not have the correct permissions to set FreeSync; it will only work via DRM (and typically using the eglfs QPA plugin) - although its current state can still be detected (and hence unnecessary mode switches avoided etc).

See also: MythGSync; MythVRR

Definition at line 8 of file mythdrmvrr.h.

Constructor & Destructor Documentation

◆ ~MythDRMVRR()

MythDRMVRR::~MythDRMVRR ( )

override

Definition at line 106 of file mythdrmvrr.cpp.

◆ MythDRMVRR()

MythDRMVRR::MythDRMVRR	(	MythDRMPtr	Device,
		DRMProp	VRRProp,
		bool	Controllable,
		bool	Enabled,
		MythVRRRange	Range
	)

protected

Definition at line 98 of file mythdrmvrr.cpp.

Referenced by CreateFreeSync().

Member Function Documentation

◆ ForceFreeSync()

void MythDRMVRR::ForceFreeSync	(	const MythDRMPtr &	Device,
		bool	Enable
	)

static

Force FreeSync on or off before the main app is started.

Definition at line 9 of file mythdrmvrr.cpp.

◆ CreateFreeSync()

MythVRRPtr MythDRMVRR::CreateFreeSync	(	const MythDRMPtr &	Device,
		MythVRRRange	Range
	)

static

Definition at line 56 of file mythdrmvrr.cpp.

Referenced by MythVRR::Create(), and ForceFreeSync().

◆ SetEnabled()

void MythDRMVRR::SetEnabled ( bool Enable = true )

overridevirtual

Implements MythVRR.

Definition at line 119 of file mythdrmvrr.cpp.

Referenced by ~MythDRMVRR().

◆ GetVRRProperty()

DRMProp MythDRMVRR::GetVRRProperty ( )

Definition at line 131 of file mythdrmvrr.cpp.

Member Data Documentation

◆ s_freeSyncResetOnExit

bool MythDRMVRR::s_freeSyncResetOnExit = false

inlinestatic

Definition at line 11 of file mythdrmvrr.h.

Referenced by MythDisplay::ConfigureQtGUI(), ForceFreeSync(), and ~MythDRMVRR().

◆ s_freeSyncDefaultValue

bool MythDRMVRR::s_freeSyncDefaultValue = false

inlinestatic

Definition at line 12 of file mythdrmvrr.h.

Referenced by ForceFreeSync(), and ~MythDRMVRR().

◆ m_device

MythDRMPtr MythDRMVRR::m_device { nullptr }

private

Definition at line 26 of file mythdrmvrr.h.

Referenced by SetEnabled().

◆ m_vrrProp

DRMProp MythDRMVRR::m_vrrProp { nullptr }

private

Definition at line 27 of file mythdrmvrr.h.

Referenced by GetVRRProperty(), and SetEnabled().

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

mythtv/libs/libmythui/platforms/drm/mythdrmvrr.h
mythtv/libs/libmythui/platforms/drm/mythdrmvrr.cpp

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Member Functions

Private Attributes

Additional Inherited Members