List of shader programs. More...

#include <OpenGl_ShaderManager.hxx>

Inheritance diagram for OpenGl_ShaderManager:

[legend]

Data Structures
struct	OpenGl_ShaderLightParameters
	Packed properties of light source. More...

class	OpenGl_ShaderProgramFFP
	Fake OpenGL program for tracking FFP state in the way consistent to programmable pipeline. More...

Public Member Functions
	OpenGl_ShaderManager (OpenGl_Context *theContext)
	Creates new empty shader manager.

	~OpenGl_ShaderManager () override
	Releases resources of shader manager.

void	clear ()
	Release all resources.

void	UpdateSRgbState ()
	Fetch sRGB state from caps and invalidates programs, if necessary.

const gp_XYZ &	LocalOrigin () const
	Return local camera transformation.

void	SetLocalOrigin (const gp_XYZ &theOrigin)
	Setup local camera transformation for compensating float precision issues.

double	LocalClippingPlaneW (const Graphic3d_ClipPlane &thePlane) const
	Return clipping plane W equation value moved considering local camera transformation.

bool	Create (const occ::handle< Graphic3d_ShaderProgram > &theProxy, TCollection_AsciiString &theShareKey, occ::handle< OpenGl_ShaderProgram > &theProgram)
	Creates new shader program or re-use shared instance.

void	Unregister (TCollection_AsciiString &theShareKey, occ::handle< OpenGl_ShaderProgram > &theProgram)
	Unregisters specified shader program.

const NCollection_Sequence< occ::handle< OpenGl_ShaderProgram > > &	ShaderPrograms () const
	Returns list of registered shader programs.

bool	IsEmpty () const
	Returns true if no program objects are registered in the manager.

bool	BindFaceProgram (const occ::handle< OpenGl_TextureSet > &theTextures, Graphic3d_TypeOfShadingModel theShadingModel, Graphic3d_AlphaMode theAlphaMode, bool theHasVertColor, bool theEnableEnvMap, const occ::handle< OpenGl_ShaderProgram > &theCustomProgram)
	Bind program for filled primitives rendering.

bool	BindFaceProgram (const occ::handle< OpenGl_TextureSet > &theTextures, Graphic3d_TypeOfShadingModel theShadingModel, Graphic3d_AlphaMode theAlphaMode, Aspect_InteriorStyle theInteriorStyle, bool theHasVertColor, bool theEnableEnvMap, bool theEnableMeshEdges, const occ::handle< OpenGl_ShaderProgram > &theCustomProgram)
	Bind program for filled primitives rendering.

bool	BindLineProgram (const occ::handle< OpenGl_TextureSet > &theTextures, const Aspect_TypeOfLine theLineType, const Graphic3d_TypeOfShadingModel theShadingModel, const Graphic3d_AlphaMode theAlphaMode, const bool theHasVertColor, const occ::handle< OpenGl_ShaderProgram > &theCustomProgram)
	Bind program for line rendering.

bool	BindMarkerProgram (const occ::handle< OpenGl_TextureSet > &theTextures, Graphic3d_TypeOfShadingModel theShadingModel, Graphic3d_AlphaMode theAlphaMode, bool theHasVertColor, const occ::handle< OpenGl_ShaderProgram > &theCustomProgram)
	Bind program for point rendering.

bool	BindFontProgram (const occ::handle< OpenGl_ShaderProgram > &theCustomProgram)
	Bind program for rendering alpha-textured font.

bool	BindOutlineProgram ()
	Bind program for outline rendering.

bool	BindFboBlitProgram (int theNbSamples, bool theIsFallback_sRGB)
	Bind program for FBO blit operation.

bool	BindOitCompositingProgram (bool theIsMSAAEnabled)
	Bind program for blended order-independent transparency buffers compositing.

bool	BindOitDepthPeelingBlendProgram (bool theIsMSAAEnabled)
	Bind program for Depth Peeling order-independent transparency back color blending.

bool	BindOitDepthPeelingFlushProgram (bool theIsMSAAEnabled)
	Bind program for Depth Peeling order-independent transparency flush.

bool	BindStereoProgram (Graphic3d_StereoMode theStereoMode)
	Bind program for rendering stereoscopic image.

bool	BindBoundBoxProgram ()
	Bind program for rendering bounding box.

const occ::handle< OpenGl_VertexBuffer > &	BoundBoxVertBuffer () const
	Returns bounding box vertex buffer.

bool	BindPBREnvBakingProgram (int theIndex)
	Bind program for IBL maps generation in PBR pipeline.

const occ::handle< Graphic3d_ShaderProgram > &	GetBgCubeMapProgram ()
	Generates shader program to render environment cubemap as background.

const occ::handle< Graphic3d_ShaderProgram > &	GetBgSkydomeProgram ()
	Generates shader program to render skydome background.

const occ::handle< Graphic3d_ShaderProgram > &	GetColoredQuadProgram ()
	Generates shader program to render correctly colored quad.

bool	BindGridProgram ()
	Compile (once) and bind the GPU grid shader program. Returns FALSE if shader compilation fails or the GAPI is not supported.

const OpenGl_LightSourceState &	LightSourceState () const
	Returns current state of OCCT light sources.

void	UpdateLightSourceStateTo (const occ::handle< Graphic3d_LightSet > &theLights, int theSpecIBLMapLevels, const occ::handle< OpenGl_ShadowMapArray > &theShadowMaps)
	Updates state of OCCT light sources.

bool	SetCastShadows (const bool theToCast)
	Updates state of OCCT light sources to dynamically enable/disable shadowmap.

void	UpdateLightSourceState ()
	Invalidate state of OCCT light sources.

void	PushLightSourceState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes current state of OCCT light sources to specified program (only on state change). Note that light sources definition depends also on WorldViewState.

void	pushLightSourceState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes current state of OCCT light sources to specified program.

const OpenGl_ProjectionState &	ProjectionState () const
	Returns current state of OCCT projection transform.

void	UpdateProjectionStateTo (const NCollection_Mat4< float > &theProjectionMatrix)
	Updates state of OCCT projection transform.

void	PushProjectionState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes current state of OCCT projection transform to specified program (only on state change).

void	pushProjectionState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes current state of OCCT projection transform to specified program.

const OpenGl_ModelWorldState &	ModelWorldState () const
	Returns current state of OCCT model-world transform.

void	UpdateModelWorldStateTo (const NCollection_Mat4< float > &theModelWorldMatrix)
	Updates state of OCCT model-world transform.

void	PushModelWorldState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes current state of OCCT model-world transform to specified program (only on state change).

void	pushModelWorldState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes current state of OCCT model-world transform to specified program.

const OpenGl_WorldViewState &	WorldViewState () const
	Returns current state of OCCT world-view transform.

void	UpdateWorldViewStateTo (const NCollection_Mat4< float > &theWorldViewMatrix)
	Updates state of OCCT world-view transform.

void	PushWorldViewState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes current state of OCCT world-view transform to specified program (only on state change).

void	pushWorldViewState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes current state of OCCT world-view transform to specified program.

void	UpdateClippingState ()
	Updates state of OCCT clipping planes.

void	RevertClippingState ()
	Reverts state of OCCT clipping planes.

void	PushClippingState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes current state of OCCT clipping planes to specified program (only on state change).

void	pushClippingState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes current state of OCCT clipping planes to specified program.

const OpenGl_MaterialState &	MaterialState () const
	Returns current state of material.

void	UpdateMaterialStateTo (const OpenGl_Material &theMat, const float theAlphaCutoff, const bool theToDistinguish, const bool theToMapTexture)
	Updates state of material.

void	UpdateMaterialState ()
	Updates state of material.

void	PushMaterialState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes current state of material to specified program (only on state change).

void	pushMaterialState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes current state of material to specified program.

void	PushInteriorState (const occ::handle< OpenGl_ShaderProgram > &theProgram, const occ::handle< Graphic3d_Aspects > &theAspect) const
	Setup interior style line edges variables.

const OpenGl_OitState &	OitState () const
	Returns state of OIT uniforms.

void	ResetOitState ()
	Reset the state of OIT rendering pass (only on state change).

void	SetOitState (Graphic3d_RenderTransparentMethod theMode)
	Set the state of OIT rendering pass (only on state change).

void	SetWeighedOitState (float theDepthFactor)
	Set the state of weighed OIT rendering pass (only on state change).

void	PushOitState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes state of OIT uniforms to the specified program.

void	pushOitState (const occ::handle< OpenGl_ShaderProgram > &theProgram) const
	Pushes state of OIT uniforms to the specified program.

void	PushState (const occ::handle< OpenGl_ShaderProgram > &theProgram, Graphic3d_TypeOfShadingModel theShadingModel=Graphic3d_TypeOfShadingModel_Unlit) const
	Pushes current state of OCCT graphics parameters to specified program.

void	SetContext (OpenGl_Context *theCtx)
	Overwrites context.

bool	IsSameContext (OpenGl_Context *theCtx) const
	Returns true when provided context is the same as used one by shader manager.

Graphic3d_TypeOfShadingModel	ChooseFaceShadingModel (Graphic3d_TypeOfShadingModel theCustomModel, bool theHasNodalNormals) const
	Choose Shading Model for filled primitives. Fallbacks to FACET model if there are no normal attributes. Fallbacks to corresponding non-PBR models if PBR is unavailable.

Graphic3d_TypeOfShadingModel	ChooseLineShadingModel (Graphic3d_TypeOfShadingModel theCustomModel, bool theHasNodalNormals) const
	Choose Shading Model for line primitives. Fallbacks to UNLIT model if there are no normal attributes. Fallbacks to corresponding non-PBR models if PBR is unavailable.

Graphic3d_TypeOfShadingModel	ChooseMarkerShadingModel (Graphic3d_TypeOfShadingModel theCustomModel, bool theHasNodalNormals) const
	Choose Shading Model for Marker primitives.

Graphic3d_TypeOfShadingModel	ShadingModel () const
	Returns default Shading Model.

void	SetShadingModel (const Graphic3d_TypeOfShadingModel theModel)
	Sets shading model.

Public Member Functions inherited from Graphic3d_ShaderManager
	Graphic3d_ShaderManager (Aspect_GraphicsLibrary theGapi)
	Creates new empty shader manager.

	~Graphic3d_ShaderManager () override
	Releases resources of shader manager.

bool	IsGapiGreaterEqual (int theVerMajor, int theVerMinor) const

int	GapiVersionMajor () const
	Return GAPI version major number.

int	GapiVersionMinor () const
	Return GAPI version minor number.

void	SetGapiVersion (int theVerMajor, int theVerMinor)
	Return GAPI version major number.

bool	UseRedAlpha () const
	Return TRUE if RED channel should be used instead of ALPHA for single-channel textures (e.g. GAPI supports only GL_RED textures and not GL_ALPHA).

void	SetUseRedAlpha (bool theUseRedAlpha)
	Set if RED channel should be used instead of ALPHA for single-channel textures.

bool	HasFlatShading () const
	Return flag indicating flat shading usage; TRUE by default.

bool	ToReverseDFdxSign () const
	Return flag indicating flat shading should reverse normal flag; FALSE by default.

void	SetFlatShading (bool theToUse, bool theToReverseSign)
	Set flag indicating flat shading usage.

bool	ToEmulateDepthClamp () const
	Return TRUE if depth clamping should be emulated by GLSL program; TRUE by default.

void	SetEmulateDepthClamp (bool theToEmulate)
	Set if depth clamping should be emulated by GLSL program.

bool	HasGlslExtension (Graphic3d_GlslExtension theExt) const
	Return TRUE if specified extension is available.

void	EnableGlslExtension (Graphic3d_GlslExtension theExt, bool theToEnable=true)
	Set if specified extension is available or not.

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor.

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing.

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter.

virtual	~Standard_Transient ()=default
	Destructor must be virtual.

virtual const opencascade::handle< Standard_Type > &	DynamicType () const
	Returns a type descriptor about this object.

bool	IsInstance (const opencascade::handle< Standard_Type > &theType) const
	Returns a true value if this is an instance of Type.

bool	IsInstance (const char *const theTypeName) const
	Returns a true value if this is an instance of TypeName.

bool	IsKind (const opencascade::handle< Standard_Type > &theType) const
	Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism.

bool	IsKind (const char *const theTypeName) const
	Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism.

Standard_Transient *	This () const
	Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero.

int	GetRefCount () const noexcept
	Get the reference counter of this object.

void	IncrementRefCounter () noexcept
	Increments the reference counter of this object. Uses relaxed memory ordering since incrementing only requires atomicity, not synchronization with other memory operations.

int	DecrementRefCounter () noexcept
	Decrements the reference counter of this object; returns the decremented value. Uses release ordering for the decrement to ensure all writes to the object are visible before the count reaches zero. An acquire fence is added only when the count reaches zero, ensuring proper synchronization before deletion. This is more efficient than using acq_rel for every decrement.

virtual void	Delete () const
	Memory deallocator for transient classes.

Static Public Member Functions
static Graphic3d_TypeOfShadingModel	PBRShadingModelFallback (Graphic3d_TypeOfShadingModel theShadingModel, bool theIsPbrAllowed=false)
	Resets PBR shading models to corresponding non-PBR ones if PBR is not allowed.

Static Public Member Functions inherited from Standard_Transient
static constexpr const char *	get_type_name ()
	Returns a type descriptor about this object.

static const opencascade::handle< Standard_Type > &	get_type_descriptor ()
	Returns type descriptor of Standard_Transient class.

Protected Member Functions
int	getClipPlaneBits () const
	Define clipping planes program bits.

int	getProgramBits (const occ::handle< OpenGl_TextureSet > &theTextures, Graphic3d_AlphaMode theAlphaMode, Aspect_InteriorStyle theInteriorStyle, bool theHasVertColor, bool theEnableEnvMap, bool theEnableMeshEdges) const
	Define program bits.

occ::handle< OpenGl_ShaderProgram > &	getStdProgram (Graphic3d_TypeOfShadingModel theShadingModel, int theBits)
	Prepare standard GLSL program.

bool	prepareStdProgramUnlit (occ::handle< OpenGl_ShaderProgram > &theProgram, int theBits, bool theIsOutline=false)
	Prepare standard GLSL program without lighting.

bool	prepareStdProgramLight (occ::handle< OpenGl_ShaderProgram > &theProgram, Graphic3d_TypeOfShadingModel theShadingModel, int theBits)
	Prepare standard GLSL program with lighting.

bool	prepareStdProgramGouraud (occ::handle< OpenGl_ShaderProgram > &theProgram, const int theBits)
	Prepare standard GLSL program with per-vertex lighting.

bool	prepareStdProgramPhong (occ::handle< OpenGl_ShaderProgram > &theProgram, const int theBits, const bool theIsFlatNormal=false, const bool theIsPBR=false)
	Prepare standard GLSL program with per-pixel lighting.

bool	bindProgramWithState (const occ::handle< OpenGl_ShaderProgram > &theProgram, Graphic3d_TypeOfShadingModel theShadingModel)
	Bind specified program to current context and apply state.

void	switchLightPrograms ()
	Set pointer myLightPrograms to active lighting programs set from myMapOfLightPrograms.

bool	prepareStdProgramBoundBox ()
	Prepare standard GLSL program for bounding box.

bool	preparePBREnvBakingProgram (int theIndex)
	Prepare GLSL source for IBL generation used in PBR pipeline.

bool	IsPbrAllowed () const
	Checks whether one of PBR shading models is set as default model.

void	addClippingPlane (int &thePlaneId, const Graphic3d_ClipPlane &thePlane, const NCollection_Vec4< double > &theEq, const int theChainFwd) const
	Append clipping plane definition to temporary buffers.

Protected Member Functions inherited from Graphic3d_ShaderManager
TCollection_AsciiString	genLightKey (const occ::handle< Graphic3d_LightSet > &theLights, const bool theHasShadowMap) const
	Generate map key for light sources configuration.

occ::handle< Graphic3d_ShaderProgram >	getStdProgramFont () const
	Prepare standard GLSL program for textured font.

occ::handle< Graphic3d_ShaderProgram >	getStdProgramUnlit (int theBits, bool theIsOutline=false) const
	Prepare standard GLSL program without lighting.

occ::handle< Graphic3d_ShaderProgram >	getStdProgramGouraud (const occ::handle< Graphic3d_LightSet > &theLights, int theBits) const
	Prepare standard GLSL program with per-vertex lighting.

occ::handle< Graphic3d_ShaderProgram >	getStdProgramPhong (const occ::handle< Graphic3d_LightSet > &theLights, const int theBits, const bool theIsFlatNormal, const bool theIsPBR, const int theNbShadowMaps) const
	Prepare standard GLSL program with per-pixel lighting.

occ::handle< Graphic3d_ShaderProgram >	getStdProgramBoundBox () const
	Prepare standard GLSL program for bounding box.

occ::handle< Graphic3d_ShaderProgram >	getBgCubeMapProgram () const
	Generates shader program to render environment cubemap as background.

occ::handle< Graphic3d_ShaderProgram >	getBgSkydomeProgram () const
	Generates shader program to render skydome background.

occ::handle< Graphic3d_ShaderProgram >	getColoredQuadProgram () const
	Generates shader program to render correctly colored quad.

occ::handle< Graphic3d_ShaderProgram >	getGridProgram () const
	Generates shader program to render a GPU grid on an arbitrary plane. Uses a screen-space triangle unprojected to world rays and ray-plane intersection driven by uniforms uPlaneOrigin / uPlaneX / uPlaneY / uPlaneN.

occ::handle< Graphic3d_ShaderProgram >	getPBREnvBakingProgram (int theIndex) const
	Prepare GLSL source for IBL generation used in PBR pipeline.

occ::handle< Graphic3d_ShaderProgram >	getStdProgramFboBlit (int theNbSamples, bool theIsFallback_sRGB) const
	Prepare standard GLSL program for FBO blit operation.

occ::handle< Graphic3d_ShaderProgram >	getStdProgramStereo (Graphic3d_StereoMode theStereoMode) const
	Prepare standard GLSL program for stereoscopic image.

occ::handle< Graphic3d_ShaderProgram >	getStdProgramOitCompositing (bool theMsaa) const
	Prepare standard GLSL programs for OIT compositing operation.

occ::handle< Graphic3d_ShaderProgram >	getStdProgramOitDepthPeelingBlend (bool theMsaa) const
	Prepare standard GLSL programs for OIT Depth Peeling blend operation.

occ::handle< Graphic3d_ShaderProgram >	getStdProgramOitDepthPeelingFlush (bool theMsaa) const
	Prepare standard GLSL programs for OIT Depth Peeling flush operation.

bool	hasGlslBitwiseOps () const
	Return TRUE if bitwise operations can be used in GLSL program.

int	defaultGlslVersion (const occ::handle< Graphic3d_ShaderProgram > &theProgram, const TCollection_AsciiString &theName, int theBits, bool theUsesDerivates=false) const
	Prepare GLSL version header.

void	defaultOitGlslVersion (const occ::handle< Graphic3d_ShaderProgram > &theProgram, const TCollection_AsciiString &theName, bool theMsaa) const
	Prepare GLSL version header for OIT composition programs.

TCollection_AsciiString	pointSpriteAlphaSrc (int theBits) const
	Prepare standard GLSL program for accessing point sprite alpha.

TCollection_AsciiString	pointSpriteShadingSrc (const TCollection_AsciiString &theBaseColorSrc, int theBits) const
	Prepare standard GLSL program for computing point sprite shading.

TCollection_AsciiString	stdComputeLighting (int &theNbLights, const occ::handle< Graphic3d_LightSet > &theLights, bool theHasVertColor, bool theIsPBR, bool theHasTexColor, int theNbShadowMaps) const
	Define computeLighting GLSL function depending on current lights configuration.

Protected Attributes
occ::handle< OpenGl_ShaderProgramFFP >	myFfpProgram

Graphic3d_TypeOfShadingModel	myShadingModel
	lighting shading model

NCollection_Sequence< occ::handle< OpenGl_ShaderProgram > >	myProgramList
	The list of shader programs.

occ::handle< OpenGl_SetOfShaderPrograms >	myLightPrograms
	pointer to active lighting programs matrix

occ::handle< OpenGl_SetOfPrograms >	myUnlitPrograms
	programs matrix without lighting

occ::handle< OpenGl_SetOfPrograms >	myOutlinePrograms
	programs matrix without lighting for outline presentation

occ::handle< OpenGl_ShaderProgram >	myFontProgram
	standard program for textured text

NCollection_Array1< occ::handle< OpenGl_ShaderProgram > >	myBlitPrograms [2]
	standard program for FBO blit emulation

occ::handle< OpenGl_ShaderProgram >	myBoundBoxProgram
	standard program for bounding box

occ::handle< OpenGl_ShaderProgram >	myOitCompositingProgram [2]
	standard program for OIT compositing (default and MSAA).

occ::handle< OpenGl_ShaderProgram >	myOitDepthPeelingBlendProgram [2]
	standard program for OIT Depth Peeling blend (default and MSAA)

occ::handle< OpenGl_ShaderProgram >	myOitDepthPeelingFlushProgram [2]
	standard program for OIT Depth Peeling flush (default and MSAA)

NCollection_DataMap< TCollection_AsciiString, occ::handle< OpenGl_SetOfShaderPrograms > >	myMapOfLightPrograms
	map of lighting programs depending on lights configuration

occ::handle< OpenGl_ShaderProgram >	myPBREnvBakingProgram [3]
	programs for IBL maps generation used in PBR pipeline (0 for Diffuse; 1 for Specular; 2 for fallback)

occ::handle< Graphic3d_ShaderProgram >	myBgCubeMapProgram
	program for background cubemap rendering

occ::handle< Graphic3d_ShaderProgram >	myBgSkydomeProgram
	program for background cubemap rendering

occ::handle< Graphic3d_ShaderProgram >	myColoredQuadProgram
	program for correct quad rendering

occ::handle< OpenGl_ShaderProgram >	myGridProgram
	shader program for GPU grid

occ::handle< OpenGl_ShaderProgram >	myStereoPrograms [Graphic3d_StereoMode_NB]
	standard stereo programs

occ::handle< OpenGl_VertexBuffer >	myBoundBoxVertBuffer
	bounding box vertex buffer

occ::handle< OpenGl_PBREnvironment >	myPBREnvironment
	manager of IBL maps used in PBR pipeline

OpenGl_Context *	myContext
	OpenGL context.

OpenGl_ProjectionState	myProjectionState
	State of OCCT projection transformation.

OpenGl_ModelWorldState	myModelWorldState
	State of OCCT model-world transformation.

OpenGl_WorldViewState	myWorldViewState
	State of OCCT world-view transformation.

OpenGl_ClippingState	myClippingState
	State of OCCT clipping planes.

OpenGl_LightSourceState	myLightSourceState
	State of OCCT light sources.

OpenGl_MaterialState	myMaterialState
	State of Front and Back materials.

OpenGl_OitState	myOitState
	State of OIT uniforms.

gp_XYZ	myLocalOrigin
	local camera transformation

bool	myHasLocalOrigin
	flag indicating that local camera transformation has been set

NCollection_Array1< int >	myLightTypeArray

NCollection_Array1< OpenGl_ShaderLightParameters >	myLightParamsArray

NCollection_Array1< NCollection_Mat4< float > >	myShadowMatArray

NCollection_Array1< NCollection_Vec4< float > >	myClipPlaneArray

NCollection_Array1< NCollection_Vec4< double > >	myClipPlaneArrayFfp

NCollection_Array1< int >	myClipChainArray

Protected Attributes inherited from Graphic3d_ShaderManager
Aspect_GraphicsLibrary	myGapi
	GAPI name.

NCollection_Vec2< int >	myGapiVersion
	GAPI version major/minor number pair.

bool	myGlslExtensions [Graphic3d_GlslExtension_NB]

bool	myHasFlatShading
	flag indicating flat shading usage

bool	myToReverseDFdxSign
	flag to reverse flat shading normal (workaround)

bool	mySetPointSize
	always set gl_PointSize variable

bool	myUseRedAlpha
	use RED channel instead of ALPHA (e.g. GAPI supports only GL_RED textures and not GL_ALPHA)

bool	myToEmulateDepthClamp
	emulate depth clamping in GLSL program

bool	mySRgbState
	track sRGB state

Additional Inherited Members
Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object.

Detailed Description

List of shader programs.

This class is responsible for managing shader programs.

Constructor & Destructor Documentation

◆ OpenGl_ShaderManager()

OpenGl_ShaderManager::OpenGl_ShaderManager ( OpenGl_Context * theContext )

Creates new empty shader manager.

◆ ~OpenGl_ShaderManager()

OpenGl_ShaderManager::~OpenGl_ShaderManager ( )

override

Releases resources of shader manager.

Member Function Documentation

◆ addClippingPlane()

void OpenGl_ShaderManager::addClippingPlane	(	int &	thePlaneId,
		const Graphic3d_ClipPlane &	thePlane,
		const NCollection_Vec4< double > &	theEq,
		const int	theChainFwd ) const

inlineprotected

Append clipping plane definition to temporary buffers.

◆ BindBoundBoxProgram()

bool OpenGl_ShaderManager::BindBoundBoxProgram ( )

inline

Bind program for rendering bounding box.

◆ BindFaceProgram() [1/2]

bool OpenGl_ShaderManager::BindFaceProgram	(	const occ::handle< OpenGl_TextureSet > &	theTextures,
		Graphic3d_TypeOfShadingModel	theShadingModel,
		Graphic3d_AlphaMode	theAlphaMode,
		Aspect_InteriorStyle	theInteriorStyle,
		bool	theHasVertColor,
		bool	theEnableEnvMap,
		bool	theEnableMeshEdges,
		const occ::handle< OpenGl_ShaderProgram > &	theCustomProgram )

inline

Bind program for filled primitives rendering.

◆ BindFaceProgram() [2/2]

bool OpenGl_ShaderManager::BindFaceProgram	(	const occ::handle< OpenGl_TextureSet > &	theTextures,
		Graphic3d_TypeOfShadingModel	theShadingModel,
		Graphic3d_AlphaMode	theAlphaMode,
		bool	theHasVertColor,
		bool	theEnableEnvMap,
		const occ::handle< OpenGl_ShaderProgram > &	theCustomProgram )

inline

Bind program for filled primitives rendering.

◆ BindFboBlitProgram()

bool OpenGl_ShaderManager::BindFboBlitProgram	(	int	theNbSamples,
		bool	theIsFallback_sRGB )

Bind program for FBO blit operation.

Parameters

[in]	theNbSamples	number of samples within source MSAA texture
	theIsFallback_sRGB[in]	flag indicating that destination buffer is not sRGB-ready

◆ BindFontProgram()

bool OpenGl_ShaderManager::BindFontProgram ( const occ::handle< OpenGl_ShaderProgram > & theCustomProgram )

Bind program for rendering alpha-textured font.

◆ BindGridProgram()

bool OpenGl_ShaderManager::BindGridProgram ( )

Compile (once) and bind the GPU grid shader program. Returns FALSE if shader compilation fails or the GAPI is not supported.

◆ BindLineProgram()

bool OpenGl_ShaderManager::BindLineProgram	(	const occ::handle< OpenGl_TextureSet > &	theTextures,
		const Aspect_TypeOfLine	theLineType,
		const Graphic3d_TypeOfShadingModel	theShadingModel,
		const Graphic3d_AlphaMode	theAlphaMode,
		const bool	theHasVertColor,
		const occ::handle< OpenGl_ShaderProgram > &	theCustomProgram )

inline

Bind program for line rendering.

◆ BindMarkerProgram()

bool OpenGl_ShaderManager::BindMarkerProgram	(	const occ::handle< OpenGl_TextureSet > &	theTextures,
		Graphic3d_TypeOfShadingModel	theShadingModel,
		Graphic3d_AlphaMode	theAlphaMode,
		bool	theHasVertColor,
		const occ::handle< OpenGl_ShaderProgram > &	theCustomProgram )

Bind program for point rendering.

◆ BindOitCompositingProgram()

bool OpenGl_ShaderManager::BindOitCompositingProgram ( bool theIsMSAAEnabled )

Bind program for blended order-independent transparency buffers compositing.

◆ BindOitDepthPeelingBlendProgram()

bool OpenGl_ShaderManager::BindOitDepthPeelingBlendProgram ( bool theIsMSAAEnabled )

Bind program for Depth Peeling order-independent transparency back color blending.

◆ BindOitDepthPeelingFlushProgram()

bool OpenGl_ShaderManager::BindOitDepthPeelingFlushProgram ( bool theIsMSAAEnabled )

Bind program for Depth Peeling order-independent transparency flush.

◆ BindOutlineProgram()

bool OpenGl_ShaderManager::BindOutlineProgram ( )

inline

Bind program for outline rendering.

◆ BindPBREnvBakingProgram()

bool OpenGl_ShaderManager::BindPBREnvBakingProgram ( int theIndex )

inline

Bind program for IBL maps generation in PBR pipeline.

◆ bindProgramWithState()

bool OpenGl_ShaderManager::bindProgramWithState	(	const occ::handle< OpenGl_ShaderProgram > &	theProgram,
		Graphic3d_TypeOfShadingModel	theShadingModel )

protected

Bind specified program to current context and apply state.

◆ BindStereoProgram()

bool OpenGl_ShaderManager::BindStereoProgram ( Graphic3d_StereoMode theStereoMode )

Bind program for rendering stereoscopic image.

◆ BoundBoxVertBuffer()

const occ::handle< OpenGl_VertexBuffer > & OpenGl_ShaderManager::BoundBoxVertBuffer ( ) const

inline

Returns bounding box vertex buffer.

◆ ChooseFaceShadingModel()

Graphic3d_TypeOfShadingModel OpenGl_ShaderManager::ChooseFaceShadingModel	(	Graphic3d_TypeOfShadingModel	theCustomModel,
		bool	theHasNodalNormals ) const

inline

Choose Shading Model for filled primitives. Fallbacks to FACET model if there are no normal attributes. Fallbacks to corresponding non-PBR models if PBR is unavailable.

◆ ChooseLineShadingModel()

Graphic3d_TypeOfShadingModel OpenGl_ShaderManager::ChooseLineShadingModel	(	Graphic3d_TypeOfShadingModel	theCustomModel,
		bool	theHasNodalNormals ) const

inline

Choose Shading Model for line primitives. Fallbacks to UNLIT model if there are no normal attributes. Fallbacks to corresponding non-PBR models if PBR is unavailable.

◆ ChooseMarkerShadingModel()

Graphic3d_TypeOfShadingModel OpenGl_ShaderManager::ChooseMarkerShadingModel	(	Graphic3d_TypeOfShadingModel	theCustomModel,
		bool	theHasNodalNormals ) const

inline

Choose Shading Model for Marker primitives.

◆ clear()

void OpenGl_ShaderManager::clear ( )

Release all resources.

◆ Create()

bool OpenGl_ShaderManager::Create	(	const occ::handle< Graphic3d_ShaderProgram > &	theProxy,
		TCollection_AsciiString &	theShareKey,
		occ::handle< OpenGl_ShaderProgram > &	theProgram )

Creates new shader program or re-use shared instance.

Parameters

[in]	theProxy	program definition
[out]	theShareKey	sharing key
[out]	theProgram	OpenGL program

Returns: true on success

◆ GetBgCubeMapProgram()

const occ::handle< Graphic3d_ShaderProgram > & OpenGl_ShaderManager::GetBgCubeMapProgram ( )

Generates shader program to render environment cubemap as background.

◆ GetBgSkydomeProgram()

const occ::handle< Graphic3d_ShaderProgram > & OpenGl_ShaderManager::GetBgSkydomeProgram ( )

Generates shader program to render skydome background.

◆ getClipPlaneBits()

int OpenGl_ShaderManager::getClipPlaneBits ( ) const

inlineprotected

Define clipping planes program bits.

◆ GetColoredQuadProgram()

const occ::handle< Graphic3d_ShaderProgram > & OpenGl_ShaderManager::GetColoredQuadProgram ( )

Generates shader program to render correctly colored quad.

◆ getProgramBits()

int OpenGl_ShaderManager::getProgramBits	(	const occ::handle< OpenGl_TextureSet > &	theTextures,
		Graphic3d_AlphaMode	theAlphaMode,
		Aspect_InteriorStyle	theInteriorStyle,
		bool	theHasVertColor,
		bool	theEnableEnvMap,
		bool	theEnableMeshEdges ) const

inlineprotected

Define program bits.

◆ getStdProgram()

occ::handle< OpenGl_ShaderProgram > & OpenGl_ShaderManager::getStdProgram	(	Graphic3d_TypeOfShadingModel	theShadingModel,
		int	theBits )

inlineprotected

Prepare standard GLSL program.

◆ IsEmpty()

bool OpenGl_ShaderManager::IsEmpty ( ) const

inline

Returns true if no program objects are registered in the manager.

◆ IsPbrAllowed()

bool OpenGl_ShaderManager::IsPbrAllowed ( ) const

inlineprotected

Checks whether one of PBR shading models is set as default model.

◆ IsSameContext()

bool OpenGl_ShaderManager::IsSameContext ( OpenGl_Context * theCtx ) const

inline

Returns true when provided context is the same as used one by shader manager.

◆ LightSourceState()

const OpenGl_LightSourceState & OpenGl_ShaderManager::LightSourceState ( ) const

inline

Returns current state of OCCT light sources.

◆ LocalClippingPlaneW()

double OpenGl_ShaderManager::LocalClippingPlaneW ( const Graphic3d_ClipPlane & thePlane ) const

inline

Return clipping plane W equation value moved considering local camera transformation.

◆ LocalOrigin()

const gp_XYZ & OpenGl_ShaderManager::LocalOrigin ( ) const

inline

Return local camera transformation.

◆ MaterialState()

const OpenGl_MaterialState & OpenGl_ShaderManager::MaterialState ( ) const

inline

Returns current state of material.

◆ ModelWorldState()

const OpenGl_ModelWorldState & OpenGl_ShaderManager::ModelWorldState ( ) const

inline

Returns current state of OCCT model-world transform.

◆ OitState()

const OpenGl_OitState & OpenGl_ShaderManager::OitState ( ) const

inline

Returns state of OIT uniforms.

◆ PBRShadingModelFallback()

static Graphic3d_TypeOfShadingModel OpenGl_ShaderManager::PBRShadingModelFallback	(	Graphic3d_TypeOfShadingModel	theShadingModel,
		bool	theIsPbrAllowed = false )

inlinestatic

Resets PBR shading models to corresponding non-PBR ones if PBR is not allowed.

◆ preparePBREnvBakingProgram()

bool OpenGl_ShaderManager::preparePBREnvBakingProgram ( int theIndex )

protected

Prepare GLSL source for IBL generation used in PBR pipeline.

◆ prepareStdProgramBoundBox()

bool OpenGl_ShaderManager::prepareStdProgramBoundBox ( )

protected

Prepare standard GLSL program for bounding box.

◆ prepareStdProgramGouraud()

bool OpenGl_ShaderManager::prepareStdProgramGouraud	(	occ::handle< OpenGl_ShaderProgram > &	theProgram,
		const int	theBits )

protected

Prepare standard GLSL program with per-vertex lighting.

◆ prepareStdProgramLight()

bool OpenGl_ShaderManager::prepareStdProgramLight	(	occ::handle< OpenGl_ShaderProgram > &	theProgram,
		Graphic3d_TypeOfShadingModel	theShadingModel,
		int	theBits )

inlineprotected

Prepare standard GLSL program with lighting.

◆ prepareStdProgramPhong()

bool OpenGl_ShaderManager::prepareStdProgramPhong	(	occ::handle< OpenGl_ShaderProgram > &	theProgram,
		const int	theBits,
		const bool	theIsFlatNormal = false,
		const bool	theIsPBR = false )

protected

Prepare standard GLSL program with per-pixel lighting.

Parameters

theIsFlatNormal	when TRUE, the Vertex normals will be ignored and Face normal will be computed instead
theIsPBR	when TRUE, the PBR pipeline will be activated

◆ prepareStdProgramUnlit()

bool OpenGl_ShaderManager::prepareStdProgramUnlit	(	occ::handle< OpenGl_ShaderProgram > &	theProgram,
		int	theBits,
		bool	theIsOutline = false )

protected

Prepare standard GLSL program without lighting.

◆ ProjectionState()

const OpenGl_ProjectionState & OpenGl_ShaderManager::ProjectionState ( ) const

inline

Returns current state of OCCT projection transform.

◆ PushClippingState()

void OpenGl_ShaderManager::PushClippingState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

inline

Pushes current state of OCCT clipping planes to specified program (only on state change).

◆ pushClippingState()

void OpenGl_ShaderManager::pushClippingState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

Pushes current state of OCCT clipping planes to specified program.

◆ PushInteriorState()

void OpenGl_ShaderManager::PushInteriorState	(	const occ::handle< OpenGl_ShaderProgram > &	theProgram,
		const occ::handle< Graphic3d_Aspects > &	theAspect ) const

Setup interior style line edges variables.

◆ PushLightSourceState()

void OpenGl_ShaderManager::PushLightSourceState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

inline

Pushes current state of OCCT light sources to specified program (only on state change). Note that light sources definition depends also on WorldViewState.

◆ pushLightSourceState()

void OpenGl_ShaderManager::pushLightSourceState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

Pushes current state of OCCT light sources to specified program.

◆ PushMaterialState()

void OpenGl_ShaderManager::PushMaterialState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

inline

Pushes current state of material to specified program (only on state change).

◆ pushMaterialState()

void OpenGl_ShaderManager::pushMaterialState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

Pushes current state of material to specified program.

◆ PushModelWorldState()

void OpenGl_ShaderManager::PushModelWorldState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

inline

Pushes current state of OCCT model-world transform to specified program (only on state change).

◆ pushModelWorldState()

void OpenGl_ShaderManager::pushModelWorldState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

Pushes current state of OCCT model-world transform to specified program.

◆ PushOitState()

void OpenGl_ShaderManager::PushOitState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

inline

Pushes state of OIT uniforms to the specified program.

◆ pushOitState()

void OpenGl_ShaderManager::pushOitState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

Pushes state of OIT uniforms to the specified program.

◆ PushProjectionState()

void OpenGl_ShaderManager::PushProjectionState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

inline

Pushes current state of OCCT projection transform to specified program (only on state change).

◆ pushProjectionState()

void OpenGl_ShaderManager::pushProjectionState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

Pushes current state of OCCT projection transform to specified program.

◆ PushState()

void OpenGl_ShaderManager::PushState	(	const occ::handle< OpenGl_ShaderProgram > &	theProgram,
		Graphic3d_TypeOfShadingModel	theShadingModel = Graphic3d_TypeOfShadingModel_Unlit ) const

Pushes current state of OCCT graphics parameters to specified program.

◆ PushWorldViewState()

void OpenGl_ShaderManager::PushWorldViewState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

inline

Pushes current state of OCCT world-view transform to specified program (only on state change).

◆ pushWorldViewState()

void OpenGl_ShaderManager::pushWorldViewState ( const occ::handle< OpenGl_ShaderProgram > & theProgram ) const

Pushes current state of OCCT world-view transform to specified program.

◆ ResetOitState()

void OpenGl_ShaderManager::ResetOitState ( )

inline

Reset the state of OIT rendering pass (only on state change).

◆ RevertClippingState()

void OpenGl_ShaderManager::RevertClippingState ( )

Reverts state of OCCT clipping planes.

◆ SetCastShadows()

bool OpenGl_ShaderManager::SetCastShadows ( const bool theToCast )

inline

Updates state of OCCT light sources to dynamically enable/disable shadowmap.

Parameters

[in] theToCast flag to enable/disable shadowmap

Returns: previous flag state

◆ SetContext()

void OpenGl_ShaderManager::SetContext ( OpenGl_Context * theCtx )

inline

Overwrites context.

◆ SetLocalOrigin()

void OpenGl_ShaderManager::SetLocalOrigin ( const gp_XYZ & theOrigin )

inline

Setup local camera transformation for compensating float precision issues.

◆ SetOitState()

void OpenGl_ShaderManager::SetOitState ( Graphic3d_RenderTransparentMethod theMode )

inline

Set the state of OIT rendering pass (only on state change).

Parameters

[in] theMode flag indicating whether the special output should be written for OIT algorithm

◆ SetShadingModel()

void OpenGl_ShaderManager::SetShadingModel ( const Graphic3d_TypeOfShadingModel theModel )

Sets shading model.

◆ SetWeighedOitState()

void OpenGl_ShaderManager::SetWeighedOitState ( float theDepthFactor )

inline

Set the state of weighed OIT rendering pass (only on state change).

Parameters

[in] theDepthFactor the scalar factor of depth influence to the fragment's coverage

◆ ShaderPrograms()

const NCollection_Sequence< occ::handle< OpenGl_ShaderProgram > > & OpenGl_ShaderManager::ShaderPrograms ( ) const

inline

Returns list of registered shader programs.

◆ ShadingModel()

Graphic3d_TypeOfShadingModel OpenGl_ShaderManager::ShadingModel ( ) const

inline

Returns default Shading Model.

◆ switchLightPrograms()

void OpenGl_ShaderManager::switchLightPrograms ( )

protected

Set pointer myLightPrograms to active lighting programs set from myMapOfLightPrograms.

◆ Unregister()

void OpenGl_ShaderManager::Unregister	(	TCollection_AsciiString &	theShareKey,
		occ::handle< OpenGl_ShaderProgram > &	theProgram )

Unregisters specified shader program.

◆ UpdateClippingState()

void OpenGl_ShaderManager::UpdateClippingState ( )

Updates state of OCCT clipping planes.

◆ UpdateLightSourceState()

void OpenGl_ShaderManager::UpdateLightSourceState ( )

Invalidate state of OCCT light sources.

◆ UpdateLightSourceStateTo()

void OpenGl_ShaderManager::UpdateLightSourceStateTo	(	const occ::handle< Graphic3d_LightSet > &	theLights,
		int	theSpecIBLMapLevels,
		const occ::handle< OpenGl_ShadowMapArray > &	theShadowMaps )

Updates state of OCCT light sources.

◆ UpdateMaterialState()

void OpenGl_ShaderManager::UpdateMaterialState ( )

inline

Updates state of material.

◆ UpdateMaterialStateTo()

void OpenGl_ShaderManager::UpdateMaterialStateTo	(	const OpenGl_Material &	theMat,
		const float	theAlphaCutoff,
		const bool	theToDistinguish,
		const bool	theToMapTexture )

inline

Updates state of material.

◆ UpdateModelWorldStateTo()

void OpenGl_ShaderManager::UpdateModelWorldStateTo ( const NCollection_Mat4< float > & theModelWorldMatrix )

Updates state of OCCT model-world transform.

◆ UpdateProjectionStateTo()

void OpenGl_ShaderManager::UpdateProjectionStateTo ( const NCollection_Mat4< float > & theProjectionMatrix )

Updates state of OCCT projection transform.

◆ UpdateSRgbState()

void OpenGl_ShaderManager::UpdateSRgbState ( )

Fetch sRGB state from caps and invalidates programs, if necessary.

◆ UpdateWorldViewStateTo()

void OpenGl_ShaderManager::UpdateWorldViewStateTo ( const NCollection_Mat4< float > & theWorldViewMatrix )

Updates state of OCCT world-view transform.

◆ WorldViewState()

const OpenGl_WorldViewState & OpenGl_ShaderManager::WorldViewState ( ) const

inline

Returns current state of OCCT world-view transform.

Field Documentation

◆ myBgCubeMapProgram

occ::handle<Graphic3d_ShaderProgram> OpenGl_ShaderManager::myBgCubeMapProgram

protected

program for background cubemap rendering

◆ myBgSkydomeProgram

occ::handle<Graphic3d_ShaderProgram> OpenGl_ShaderManager::myBgSkydomeProgram

protected

program for background cubemap rendering

◆ myBlitPrograms

NCollection_Array1<occ::handle<OpenGl_ShaderProgram> > OpenGl_ShaderManager::myBlitPrograms[2]

protected

standard program for FBO blit emulation

◆ myBoundBoxProgram

occ::handle<OpenGl_ShaderProgram> OpenGl_ShaderManager::myBoundBoxProgram

protected

standard program for bounding box

◆ myBoundBoxVertBuffer

occ::handle<OpenGl_VertexBuffer> OpenGl_ShaderManager::myBoundBoxVertBuffer

protected

bounding box vertex buffer

◆ myClipChainArray

NCollection_Array1<int> OpenGl_ShaderManager::myClipChainArray

mutableprotected

◆ myClippingState

OpenGl_ClippingState OpenGl_ShaderManager::myClippingState

protected

State of OCCT clipping planes.

◆ myClipPlaneArray

NCollection_Array1<NCollection_Vec4<float> > OpenGl_ShaderManager::myClipPlaneArray

mutableprotected

◆ myClipPlaneArrayFfp

NCollection_Array1<NCollection_Vec4<double> > OpenGl_ShaderManager::myClipPlaneArrayFfp

mutableprotected

◆ myColoredQuadProgram

occ::handle<Graphic3d_ShaderProgram> OpenGl_ShaderManager::myColoredQuadProgram

protected

program for correct quad rendering

◆ myContext

OpenGl_Context* OpenGl_ShaderManager::myContext

protected

OpenGL context.

◆ myFfpProgram

occ::handle<OpenGl_ShaderProgramFFP> OpenGl_ShaderManager::myFfpProgram

protected

◆ myFontProgram

occ::handle<OpenGl_ShaderProgram> OpenGl_ShaderManager::myFontProgram

protected

standard program for textured text

◆ myGridProgram

occ::handle<OpenGl_ShaderProgram> OpenGl_ShaderManager::myGridProgram

protected

shader program for GPU grid

◆ myHasLocalOrigin

bool OpenGl_ShaderManager::myHasLocalOrigin

protected

flag indicating that local camera transformation has been set

◆ myLightParamsArray

NCollection_Array1<OpenGl_ShaderLightParameters> OpenGl_ShaderManager::myLightParamsArray

mutableprotected

◆ myLightPrograms

occ::handle<OpenGl_SetOfShaderPrograms> OpenGl_ShaderManager::myLightPrograms

protected

pointer to active lighting programs matrix

◆ myLightSourceState

OpenGl_LightSourceState OpenGl_ShaderManager::myLightSourceState

protected

State of OCCT light sources.

◆ myLightTypeArray

NCollection_Array1<int> OpenGl_ShaderManager::myLightTypeArray

mutableprotected

◆ myLocalOrigin

gp_XYZ OpenGl_ShaderManager::myLocalOrigin

protected

local camera transformation

◆ myMapOfLightPrograms

NCollection_DataMap<TCollection_AsciiString, occ::handle<OpenGl_SetOfShaderPrograms> > OpenGl_ShaderManager::myMapOfLightPrograms

protected

map of lighting programs depending on lights configuration

◆ myMaterialState

OpenGl_MaterialState OpenGl_ShaderManager::myMaterialState

protected

State of Front and Back materials.

◆ myModelWorldState

OpenGl_ModelWorldState OpenGl_ShaderManager::myModelWorldState

protected

State of OCCT model-world transformation.

◆ myOitCompositingProgram

occ::handle<OpenGl_ShaderProgram> OpenGl_ShaderManager::myOitCompositingProgram[2]

protected

standard program for OIT compositing (default and MSAA).

◆ myOitDepthPeelingBlendProgram

occ::handle<OpenGl_ShaderProgram> OpenGl_ShaderManager::myOitDepthPeelingBlendProgram[2]

protected

standard program for OIT Depth Peeling blend (default and MSAA)

◆ myOitDepthPeelingFlushProgram

occ::handle<OpenGl_ShaderProgram> OpenGl_ShaderManager::myOitDepthPeelingFlushProgram[2]

protected

standard program for OIT Depth Peeling flush (default and MSAA)

◆ myOitState

OpenGl_OitState OpenGl_ShaderManager::myOitState

protected

State of OIT uniforms.

◆ myOutlinePrograms

occ::handle<OpenGl_SetOfPrograms> OpenGl_ShaderManager::myOutlinePrograms

protected

programs matrix without lighting for outline presentation

◆ myPBREnvBakingProgram

occ::handle<OpenGl_ShaderProgram> OpenGl_ShaderManager::myPBREnvBakingProgram[3]

protected

programs for IBL maps generation used in PBR pipeline (0 for Diffuse; 1 for Specular; 2 for fallback)

◆ myPBREnvironment

occ::handle<OpenGl_PBREnvironment> OpenGl_ShaderManager::myPBREnvironment

mutableprotected

manager of IBL maps used in PBR pipeline

◆ myProgramList

NCollection_Sequence<occ::handle<OpenGl_ShaderProgram> > OpenGl_ShaderManager::myProgramList

protected

The list of shader programs.

◆ myProjectionState

OpenGl_ProjectionState OpenGl_ShaderManager::myProjectionState

protected

State of OCCT projection transformation.

◆ myShadingModel

Graphic3d_TypeOfShadingModel OpenGl_ShaderManager::myShadingModel

protected

lighting shading model

◆ myShadowMatArray

NCollection_Array1<NCollection_Mat4<float> > OpenGl_ShaderManager::myShadowMatArray

mutableprotected

◆ myStereoPrograms

occ::handle<OpenGl_ShaderProgram> OpenGl_ShaderManager::myStereoPrograms[Graphic3d_StereoMode_NB]

protected

standard stereo programs

◆ myUnlitPrograms

occ::handle<OpenGl_SetOfPrograms> OpenGl_ShaderManager::myUnlitPrograms

protected

programs matrix without lighting

◆ myWorldViewState

OpenGl_WorldViewState OpenGl_ShaderManager::myWorldViewState

protected

State of OCCT world-view transformation.

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

OpenGl_ShaderManager.hxx

Data Structures

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ OpenGl_ShaderManager()

◆ ~OpenGl_ShaderManager()

Member Function Documentation

◆ addClippingPlane()

◆ BindBoundBoxProgram()

◆ BindFaceProgram() [1/2]

◆ BindFaceProgram() [2/2]

◆ BindFboBlitProgram()

◆ BindFontProgram()

◆ BindGridProgram()

◆ BindLineProgram()

◆ BindMarkerProgram()

◆ BindOitCompositingProgram()

◆ BindOitDepthPeelingBlendProgram()

◆ BindOitDepthPeelingFlushProgram()

◆ BindOutlineProgram()

◆ BindPBREnvBakingProgram()

◆ bindProgramWithState()

◆ BindStereoProgram()

◆ BoundBoxVertBuffer()

◆ ChooseFaceShadingModel()

◆ ChooseLineShadingModel()

◆ ChooseMarkerShadingModel()

◆ clear()

◆ Create()

◆ GetBgCubeMapProgram()

◆ GetBgSkydomeProgram()

◆ getClipPlaneBits()

◆ GetColoredQuadProgram()

◆ getProgramBits()

◆ getStdProgram()

◆ IsEmpty()

◆ IsPbrAllowed()

◆ IsSameContext()

◆ LightSourceState()

◆ LocalClippingPlaneW()

◆ LocalOrigin()

◆ MaterialState()

◆ ModelWorldState()

◆ OitState()

◆ PBRShadingModelFallback()

◆ preparePBREnvBakingProgram()

◆ prepareStdProgramBoundBox()

◆ prepareStdProgramGouraud()

◆ prepareStdProgramLight()

◆ prepareStdProgramPhong()

◆ prepareStdProgramUnlit()

◆ ProjectionState()

◆ PushClippingState()

◆ pushClippingState()

◆ PushInteriorState()

◆ PushLightSourceState()

◆ pushLightSourceState()

◆ PushMaterialState()

◆ pushMaterialState()

◆ PushModelWorldState()

◆ pushModelWorldState()

◆ PushOitState()

◆ pushOitState()

◆ PushProjectionState()

◆ pushProjectionState()

◆ PushState()

◆ PushWorldViewState()

◆ pushWorldViewState()

◆ ResetOitState()

◆ RevertClippingState()

◆ SetCastShadows()

◆ SetContext()

◆ SetLocalOrigin()

◆ SetOitState()

◆ SetShadingModel()

◆ SetWeighedOitState()