CRenderSystemGLES Class Reference

#include <RenderSystemGLES.h>

Inheritance diagram for CRenderSystemGLES:

Public Member Functions
	CRenderSystemGLES ()
	~CRenderSystemGLES () override=default
bool	InitRenderSystem () override
bool	DestroyRenderSystem () override
bool	ResetRenderSystem (int width, int height) override
bool	BeginRender () override
bool	EndRender () override
void	PresentRender (bool rendered, bool videoLayer) override
void	InvalidateColorBuffer () override
bool	ClearBuffers (KODI::UTILS::COLOR::Color color) override
bool	IsExtSupported (const char *extension) const override
virtual bool	SupportsTextureSwizzle () const
void	SetVSync (bool vsync)
void	ResetVSync ()
void	SetViewPort (const CRect &viewPort) override
void	GetViewPort (CRect &viewPort) override
bool	ScissorsCanEffectClipping () override
CRect	ClipRectToScissorRect (const CRect &rect) override
void	SetScissors (const CRect &rect) override
void	ResetScissors () override
void	SetDepthCulling (DepthCulling culling) override
void	CaptureStateBlock () override
void	ApplyStateBlock () override
void	SetCameraPosition (const CPoint &camera, int screenWidth, int screenHeight, float stereoFactor=0.0f) override
bool	SupportsStereo (RenderStereoMode mode) const override
void	Project (float &x, float &y, float &z) override
std::string	GetShaderPath (const std::string &filename) override
void	InitialiseShaders ()
void	ReleaseShaders ()
void	EnableGUIShader (ShaderMethodGLES method)
void	DisableGUIShader ()
GLint	GUIShaderGetPos ()
GLint	GUIShaderGetCol ()
GLint	GUIShaderGetCoord0 ()
GLint	GUIShaderGetCoord1 ()
GLint	GUIShaderGetUniCol ()
GLint	GUIShaderGetCoord0Matrix ()
GLint	GUIShaderGetField ()
GLint	GUIShaderGetStep ()
GLint	GUIShaderGetContrast ()
GLint	GUIShaderGetBrightness ()
GLint	GUIShaderGetMatrix ()
GLint	GUIShaderGetClip ()
GLint	GUIShaderGetCoordStep ()
GLint	GUIShaderGetDepth ()
GLint	GUIShaderGetPma ()
GLint	GUIShaderGetGUIMatrix ()
GLint	GUIShaderGetSnap ()
GLint	GUIShaderGetAttrSnap ()
GLint	GUIShaderGetQuadRect ()
GLint	GUIShaderGetQuadClip ()
GLint	GUIShaderGetTexSwap ()
void	BindGUIQuadIndices (std::size_t quadCount)
void	BindGUIUnitQuad ()
void	DrawGUIQuad (const CPoint &origin, const CPoint &right, const CPoint &down, const CRect *texCoords=nullptr)
	Draw a static unit quad with the current GUI shader, which must use gles_shader.vert.
void	DrawGUIQuad (const CRect &rect, const CRect *texCoords=nullptr)
Public Member Functions inherited from CRenderSystemBase
	CRenderSystemBase ()
virtual	~CRenderSystemBase ()
unsigned int	GetGUIElementCount () const
virtual void	RestoreViewPort ()
virtual void	SetStereoMode (RenderStereoMode mode, RenderStereoView view)
void	GetRenderVersion (unsigned int &major, unsigned int &minor) const
const std::string &	GetRenderVendor () const
const std::string &	GetRenderRenderer () const
const std::string &	GetRenderVersionString () const
virtual bool	SupportsNPOT (bool dxt) const
unsigned int	GetMaxTextureSize () const
unsigned int	GetMinDXTPitch () const
virtual void	ShowSplash (const std::string &message)
virtual void	OnAdvancedSettingsLoaded ()
	Call when the cached advanced settings values need to be refreshed. note: may execute on a different thread.
virtual bool	GetEnabledFrontToBackRendering ()
virtual ClearFunction	GetClearFunction ()
virtual bool	GetShowSplashImage ()

Protected Member Functions
virtual void	SetVSyncImpl (bool enable)=0
virtual void	PresentRenderImpl (bool rendered)=0
void	CalculateMaxTexturesize ()

Protected Attributes
bool	m_bVsyncInit {false}
int	m_width
int	m_height
std::string	m_RenderExtensions
std::map< ShaderMethodGLES, std::unique_ptr< CGLESShader > >	m_pShader
ShaderMethodGLES	m_method = ShaderMethodGLES::SM_DEFAULT
GLint	m_viewPort [4]
CGUIQuadDrawerGLES	m_quadDrawer
KODI::UTILS::GL::CGLBufferObject	m_guiQuadIndexBuffer {GL_ELEMENT_ARRAY_BUFFER}
KODI::UTILS::GL::CGLBufferObject	m_guiUnitQuad {GL_ARRAY_BUFFER}
std::vector< GLushort >	m_guiQuadIndices
Protected Attributes inherited from CRenderSystemBase
bool	m_bRenderCreated {false}
bool	m_bVSync {true}
unsigned int	m_maxTextureSize {2048}
unsigned int	m_minDXTPitch {0}
std::string	m_RenderRenderer
std::string	m_RenderVendor
std::string	m_RenderVersion
int	m_RenderVersionMinor {0}
int	m_RenderVersionMajor {0}
RenderStereoView	m_stereoView {RenderStereoView::OFF}
RenderStereoMode	m_stereoMode {RenderStereoMode::OFF}
bool	m_limitedColorRange {false}
bool	m_transferPQ {false}
std::unique_ptr< CGUIImage >	m_splashImage
std::unique_ptr< CGUITextLayout >	m_splashMessageLayout
CCriticalSection	m_settingsSection
std::optional< int >	m_settingsCallbackHandle
bool	m_guiFrontToBackRendering {false}
ClearFunction	m_guiGeometryClear {ClearFunction::FIXED_FUNCTION}
bool	m_showSplashImage {true}

Additional Inherited Members
Static Public Attributes inherited from CRenderSystemBase
static unsigned int	m_GUIElementCount = 0

Constructor & Destructor Documentation

CRenderSystemGLES()

CRenderSystemGLES::CRenderSystemGLES

(

)

~CRenderSystemGLES()

CRenderSystemGLES::~CRenderSystemGLES ( )

overridedefault

Member Function Documentation

ApplyStateBlock()

void CRenderSystemGLES::ApplyStateBlock ( )

overridevirtual

Implements CRenderSystemBase.

BeginRender()

bool CRenderSystemGLES::BeginRender ( )

overridevirtual

Implements CRenderSystemBase.

Reimplemented in CWinSystemIOS, and CWinSystemTVOS.

BindGUIQuadIndices()

void CRenderSystemGLES::BindGUIQuadIndices

(

std::size_t

quadCount

)

BindGUIUnitQuad()

void CRenderSystemGLES::BindGUIUnitQuad

(

)

CalculateMaxTexturesize()

void CRenderSystemGLES::CalculateMaxTexturesize ( )

protected

CaptureStateBlock()

void CRenderSystemGLES::CaptureStateBlock ( )

overridevirtual

Todo

• NOTE: Only for Screensavers & Visualisations

Implements CRenderSystemBase.

ClearBuffers()

bool CRenderSystemGLES::ClearBuffers ( KODI::UTILS::COLOR::Color color )

overridevirtual

Implements CRenderSystemBase.

ClipRectToScissorRect()

CRect CRenderSystemGLES::ClipRectToScissorRect ( const CRect & rect )

overridevirtual

Reimplemented from CRenderSystemBase.

DestroyRenderSystem()

bool CRenderSystemGLES::DestroyRenderSystem ( )

overridevirtual

Implements CRenderSystemBase.

DisableGUIShader()

void CRenderSystemGLES::DisableGUIShader

(

)

DrawGUIQuad() [1/2]

void CRenderSystemGLES::DrawGUIQuad	(	const CPoint &	origin,
		const CPoint &	right,
		const CPoint &	down,
		const CRect *	texCoords = nullptr )

Draw a static unit quad with the current GUI shader, which must use gles_shader.vert.

The quad is mapped onto the parallelogram whose corners are origin, right and down (the fourth corner follows), and its texture coordinates span texCoords if given.

DrawGUIQuad() [2/2]

void CRenderSystemGLES::DrawGUIQuad	(	const CRect &	rect,
		const CRect *	texCoords = nullptr )

EnableGUIShader()

void CRenderSystemGLES::EnableGUIShader

(

ShaderMethodGLES

method

)

EndRender()

bool CRenderSystemGLES::EndRender ( )

overridevirtual

Implements CRenderSystemBase.

Reimplemented in CWinSystemIOS, and CWinSystemTVOS.

GetShaderPath()

std::string CRenderSystemGLES::GetShaderPath ( const std::string & filename )

overridevirtual

Reimplemented from CRenderSystemBase.

GetViewPort()

void CRenderSystemGLES::GetViewPort ( CRect & viewPort )

overridevirtual

Implements CRenderSystemBase.

GUIShaderGetAttrSnap()

GLint CRenderSystemGLES::GUIShaderGetAttrSnap

(

)

GUIShaderGetBrightness()

GLint CRenderSystemGLES::GUIShaderGetBrightness

(

)

GUIShaderGetClip()

GLint CRenderSystemGLES::GUIShaderGetClip

(

)

GUIShaderGetCol()

GLint CRenderSystemGLES::GUIShaderGetCol

(

)

GUIShaderGetContrast()

GLint CRenderSystemGLES::GUIShaderGetContrast

(

)

GUIShaderGetCoord0()

GLint CRenderSystemGLES::GUIShaderGetCoord0

(

)

GUIShaderGetCoord0Matrix()

GLint CRenderSystemGLES::GUIShaderGetCoord0Matrix

(

)

GUIShaderGetCoord1()

GLint CRenderSystemGLES::GUIShaderGetCoord1

(

)

GUIShaderGetCoordStep()

GLint CRenderSystemGLES::GUIShaderGetCoordStep

(

)

GUIShaderGetDepth()

GLint CRenderSystemGLES::GUIShaderGetDepth

(

)

GUIShaderGetField()

GLint CRenderSystemGLES::GUIShaderGetField

(

)

GUIShaderGetGUIMatrix()

GLint CRenderSystemGLES::GUIShaderGetGUIMatrix

(

)

GUIShaderGetMatrix()

GLint CRenderSystemGLES::GUIShaderGetMatrix

(

)

GUIShaderGetPma()

GLint CRenderSystemGLES::GUIShaderGetPma

(

)

GUIShaderGetPos()

GLint CRenderSystemGLES::GUIShaderGetPos

(

)

GUIShaderGetQuadClip()

GLint CRenderSystemGLES::GUIShaderGetQuadClip

(

)

GUIShaderGetQuadRect()

GLint CRenderSystemGLES::GUIShaderGetQuadRect

(

)

GUIShaderGetSnap()

GLint CRenderSystemGLES::GUIShaderGetSnap

(

)

GUIShaderGetStep()

GLint CRenderSystemGLES::GUIShaderGetStep

(

)

GUIShaderGetTexSwap()

GLint CRenderSystemGLES::GUIShaderGetTexSwap

(

)

GUIShaderGetUniCol()

GLint CRenderSystemGLES::GUIShaderGetUniCol

(

)

InitialiseShaders()

void CRenderSystemGLES::InitialiseShaders

(

)

InitRenderSystem()

bool CRenderSystemGLES::InitRenderSystem ( )

overridevirtual

Implements CRenderSystemBase.

InvalidateColorBuffer()

void CRenderSystemGLES::InvalidateColorBuffer ( )

overridevirtual

Reimplemented from CRenderSystemBase.

IsExtSupported()

bool CRenderSystemGLES::IsExtSupported ( const char * extension ) const

overridevirtual

Implements CRenderSystemBase.

Reimplemented in CWinSystemIOS, CWinSystemTVOS, and KODI::WINDOWING::X11::CWinSystemX11GLESContext.

PresentRender()

void CRenderSystemGLES::PresentRender ( bool rendered, bool videoLayer )

overridevirtual

Implements CRenderSystemBase.

Reimplemented in KODI::WINDOWING::GBM::CWinSystemGbmGLESContext.

PresentRenderImpl()

virtual void CRenderSystemGLES::PresentRenderImpl ( bool rendered )

protectedpure virtual

Implemented in CWinSystemAndroidGLESContext, CWinSystemIOS, CWinSystemTVOS, CWinSystemWasmGLESContext, KODI::WINDOWING::GBM::CWinSystemGbmGLESContext, KODI::WINDOWING::WAYLAND::CWinSystemWaylandEGLContextGLES, and KODI::WINDOWING::X11::CWinSystemX11GLESContext.

Project()

void CRenderSystemGLES::Project ( float & x, float & y, float & z )

overridevirtual

Project (x,y,z) 3d scene coordinates to (x,y) 2d screen coordinates

Reimplemented from CRenderSystemBase.

ReleaseShaders()

void CRenderSystemGLES::ReleaseShaders

(

)

ResetRenderSystem()

bool CRenderSystemGLES::ResetRenderSystem ( int width, int height )

overridevirtual

Implements CRenderSystemBase.

ResetScissors()

void CRenderSystemGLES::ResetScissors ( )

overridevirtual

Implements CRenderSystemBase.

ResetVSync()

void CRenderSystemGLES::ResetVSync ( )

inline

ScissorsCanEffectClipping()

bool CRenderSystemGLES::ScissorsCanEffectClipping ( )

overridevirtual

Reimplemented from CRenderSystemBase.

SetCameraPosition()

void CRenderSystemGLES::SetCameraPosition ( const CPoint & camera, int screenWidth, int screenHeight, float stereoFactor = 0.0f )

overridevirtual

Implements CRenderSystemBase.

SetDepthCulling()

void CRenderSystemGLES::SetDepthCulling ( DepthCulling culling )

overridevirtual

Reimplemented from CRenderSystemBase.

SetScissors()

void CRenderSystemGLES::SetScissors ( const CRect & rect )

overridevirtual

Implements CRenderSystemBase.

SetViewPort()

void CRenderSystemGLES::SetViewPort ( const CRect & viewPort )

overridevirtual

Implements CRenderSystemBase.

SetVSync()

void CRenderSystemGLES::SetVSync

(

bool

vsync

)

SetVSyncImpl()

virtual void CRenderSystemGLES::SetVSyncImpl ( bool enable )

protectedpure virtual

Implemented in CWinSystemAndroidGLESContext, CWinSystemIOS, CWinSystemTVOS, CWinSystemWasmGLESContext, KODI::WINDOWING::GBM::CWinSystemGbmGLESContext, KODI::WINDOWING::WAYLAND::CWinSystemWaylandEGLContextGLES, and KODI::WINDOWING::X11::CWinSystemX11GLESContext.

SupportsStereo()

bool CRenderSystemGLES::SupportsStereo ( RenderStereoMode mode ) const

overridevirtual

Reimplemented from CRenderSystemBase.

SupportsTextureSwizzle()

virtual bool CRenderSystemGLES::SupportsTextureSwizzle ( ) const

inlinevirtual

Reimplemented in CRenderSystemGLESWebOS, and CWinSystemWasmGLESContext.

Member Data Documentation

m_bVsyncInit

bool CRenderSystemGLES::m_bVsyncInit {false}

protected

m_guiQuadIndexBuffer

KODI::UTILS::GL::CGLBufferObject CRenderSystemGLES::m_guiQuadIndexBuffer {GL_ELEMENT_ARRAY_BUFFER}

protected

m_guiQuadIndices

std::vector<GLushort> CRenderSystemGLES::m_guiQuadIndices

protected

m_guiUnitQuad

KODI::UTILS::GL::CGLBufferObject CRenderSystemGLES::m_guiUnitQuad {GL_ARRAY_BUFFER}

protected

m_height

int CRenderSystemGLES::m_height

protected

m_method

ShaderMethodGLES CRenderSystemGLES::m_method = ShaderMethodGLES::SM_DEFAULT

protected

m_pShader

std::map<ShaderMethodGLES, std::unique_ptr<CGLESShader> > CRenderSystemGLES::m_pShader

protected

m_quadDrawer

CGUIQuadDrawerGLES CRenderSystemGLES::m_quadDrawer

protected

m_RenderExtensions

std::string CRenderSystemGLES::m_RenderExtensions

protected

m_viewPort

GLint CRenderSystemGLES::m_viewPort[4]

protected

m_width

int CRenderSystemGLES::m_width

protected

---

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

• RenderSystemGLES.h
• RenderSystemGLES.cpp