Class managing an OpenGL shader program. More...

#include <SoGLShaderProgram.h>

Inheritance diagram for SoGLShaderProgram:

Classes
struct	UniformInfo
	Information structure for SoGLShaderObject containing location, type, and size. More...

Public Types
enum	LinkageResult { LR_FAILURE = 0 , LR_SUCCESS = 1 , LR_SKIPPED = 2 }

Public Types inherited from SoUniformParameterBase
enum	SamplerType { SAMPLER_1D , SAMPLER_2D , SAMPLER_3D , SAMPLER_CUBEMAP }

Public Member Functions
	SoGLShaderProgram ()
	Constructor.

	~SoGLShaderProgram () override
	Destructor.

void	reset () override
	Free all resources (OpenGL too) and reset instance to initial state.

void	addShaderObject (SoGLShaderObject *shaderObject)

void	removeShaderObject (SoGLShaderObject *shaderObject)

void	removeAllShaderObjects ()

void	enable ()

void	disable ()

void	scheduleLinking ()

void	setGeometryInputType (GLint type)

void	setGeometryOutputType (GLint type)

void	setGeometryVerticesOut (GLint number)

virtual void	updateUniformsFromState (SoState *)
	Update the shader uniforms according to the current Inventor state.

virtual void	preLinkSetup ()

virtual void	postLinkSetup ()

virtual SbBool	isActiveUniform (const SbString &name)

virtual void	clearAssignedTextureUnits ()
	Clears the assigned texture units to 0.

int	getNumAssignedTextureUnits ()

void	setNumAssignedTextureUnits (int num)

int	addTextureSampler (const SbString &name) override
	Adds a new texture sampler with given name and returns the assigned texture unit.

void	set1f (const SbString &name, const float value) override

void	set2f (const SbString &name, const float *value) override

void	set3f (const SbString &name, const float *value) override

void	set4f (const SbString &name, const float *value) override

void	set2f (const SbString &name, const float value0, const float value1) override

void	set3f (const SbString &name, const float value0, const float value1, const float value2) override

void	set4f (const SbString &name, const float value0, const float value1, const float value2, const float value3) override

void	set1fv (const SbString &name, const int num, const float *value) override

void	set2fv (const SbString &name, const int num, const float *value) override

void	set3fv (const SbString &name, const int num, const float *value) override

void	set4fv (const SbString &name, const int num, const float *value) override

void	set1i (const SbString &name, const int32_t value) override

void	set2i (const SbString &name, const int32_t *value) override

void	set2i (const SbString &name, const SbVec2s &value) override

void	set3i (const SbString &name, const int32_t *value) override

void	set3i (const SbString &name, const SbVec3s &value) override

void	set4i (const SbString &name, const int32_t *value) override

void	setMatrix3fv (const SbString &, int, const float *, SbBool=FALSE) override

void	setMatrix4fv (const SbString &, int, const float *, SbBool=FALSE) override

void	setName (const SbString &name)

const SbString &	getName () const

int	shaderVersion (SoShader::ShaderType type) const
	Get the used GLSL version for the given shader type.

ml::GLSLProgram &	getProgramResource ()

GLuint	getProgramHandle () const

bool	isValid ()
	returns if the shader is valid or needs re-creation

SbBool	isExecutable () const

SbBool	shouldLink () const

LinkageResult	link ()

void	updateUniformInfo (GLint programHandle)

void	setAlwaysReadErrorLog (bool flag)

bool	alwaysReadErrorLog ()

bool	hadLinkError ()

const SbString &	getErrorLog ()

Public Member Functions inherited from SoUniformParameterBase
virtual void	setMatrix3f (const SbString &name, const float *values, SbBool transpose=FALSE)

virtual void	setMatrix4f (const SbString &name, const float *values, SbBool transpose=FALSE)

virtual void	setSamplerInfo (const SbString &, SamplerType, uint32_t)

Protected Member Functions
GLint	getUniform (const SbString &name, GLenum type, int *num=nullptr)

Protected Member Functions inherited from SoGLShader
	SoGLShader ()
	Constructor.

virtual	~SoGLShader ()
	Destructor.

void	errClear (const char *string=nullptr) const
	Clear OpenGL error state and print any previously not displayed error message.

void	errCheck (const char *string=nullptr) const
	Check for OpenGL errors and print error message if one is found.

SbBool	error (const char *string=nullptr) const
	Returns 'TRUE' if OpenGL error is found.

Protected Member Functions inherited from SoUniformParameterBase
	SoUniformParameterBase ()
	Hidden constructor.

virtual	~SoUniformParameterBase ()
	Hidden destructor.

Protected Attributes
ml::GLSLProgram	_programRes

GLint	_geometryInputType

GLint	_geometryOutputType

GLint	_geometryVerticesOut

std::list< SoGLShaderObject * >	_shaderObjects

SbBool	_shouldLink

SbBool	_isExecutable

SbString	_name

int	_assignedTextureUnits

std::map< std::string, UniformInfo >	_uniformInfo

bool	_alwaysReadErrorLog

bool	_hadError

SbString	_errorLog

Additional Inherited Members
Static Public Member Functions inherited from SoGLShader
static SbBool	isSupported ()
	Returns 'TRUE' if vertex and fragment shaders are supported by OpenGL.

static bool	supportsGeometryShaders ()
	Returns if the hardware supports geometry shaders.

static void	printCapabilities ()
	Prints capabilities of the OpenGL implementation.

Detailed Description

Class managing an OpenGL shader program.

Definition at line 32 of file SoGLShaderProgram.h.

Member Enumeration Documentation

◆ LinkageResult

enum SoGLShaderProgram::LinkageResult

Enumerator
LR_FAILURE
LR_SUCCESS
LR_SKIPPED

Definition at line 123 of file SoGLShaderProgram.h.

Constructor & Destructor Documentation

◆ SoGLShaderProgram()

SoGLShaderProgram::SoGLShaderProgram ( )

Constructor.

◆ ~SoGLShaderProgram()

SoGLShaderProgram::~SoGLShaderProgram ( )

override

Destructor.

Member Function Documentation

◆ addShaderObject()

void SoGLShaderProgram::addShaderObject ( SoGLShaderObject * shaderObject )

◆ addTextureSampler()

int SoGLShaderProgram::addTextureSampler ( const SbString & name )

overridevirtual

Adds a new texture sampler with given name and returns the assigned texture unit.

Reimplemented from SoUniformParameterBase.

◆ alwaysReadErrorLog()

bool SoGLShaderProgram::alwaysReadErrorLog ( )

inline

Definition at line 153 of file SoGLShaderProgram.h.

◆ clearAssignedTextureUnits()

virtual void SoGLShaderProgram::clearAssignedTextureUnits ( )

inlinevirtual

Clears the assigned texture units to 0.

Definition at line 83 of file SoGLShaderProgram.h.

◆ disable()

void SoGLShaderProgram::disable ( )

◆ enable()

void SoGLShaderProgram::enable ( )

◆ getErrorLog()

const SbString & SoGLShaderProgram::getErrorLog ( )

inline

Definition at line 156 of file SoGLShaderProgram.h.

◆ getName()

const SbString & SoGLShaderProgram::getName ( ) const

inline

Definition at line 116 of file SoGLShaderProgram.h.

◆ getNumAssignedTextureUnits()

int SoGLShaderProgram::getNumAssignedTextureUnits ( )

inline

Definition at line 85 of file SoGLShaderProgram.h.

◆ getProgramHandle()

GLuint SoGLShaderProgram::getProgramHandle ( ) const

inline

Definition at line 133 of file SoGLShaderProgram.h.

◆ getProgramResource()

ml::GLSLProgram & SoGLShaderProgram::getProgramResource ( )

inline

Definition at line 129 of file SoGLShaderProgram.h.

◆ getUniform()

GLint SoGLShaderProgram::getUniform	(	const SbString &	name,
		GLenum	type,
		int *	num = `nullptr`
	)

protected

◆ hadLinkError()

bool SoGLShaderProgram::hadLinkError ( )

inline

Definition at line 155 of file SoGLShaderProgram.h.

◆ isActiveUniform()

virtual SbBool SoGLShaderProgram::isActiveUniform ( const SbString & name )

virtual

◆ isExecutable()

SbBool SoGLShaderProgram::isExecutable ( ) const

inline

Definition at line 140 of file SoGLShaderProgram.h.

◆ isValid()

bool SoGLShaderProgram::isValid ( )

returns if the shader is valid or needs re-creation

◆ link()

LinkageResult SoGLShaderProgram::link ( )

◆ postLinkSetup()

virtual void SoGLShaderProgram::postLinkSetup ( )

inlinevirtual

Reimplemented in SoGLInventorShaderProgram.

Definition at line 78 of file SoGLShaderProgram.h.

◆ preLinkSetup()

virtual void SoGLShaderProgram::preLinkSetup ( )

inlinevirtual

Reimplemented in SoGLInventorShaderProgram.

Definition at line 77 of file SoGLShaderProgram.h.

◆ removeAllShaderObjects()

void SoGLShaderProgram::removeAllShaderObjects ( )

◆ removeShaderObject()

void SoGLShaderProgram::removeShaderObject ( SoGLShaderObject * shaderObject )

◆ reset()

void SoGLShaderProgram::reset ( )

overridevirtual

Free all resources (OpenGL too) and reset instance to initial state.

Reimplemented from SoGLShader.

◆ scheduleLinking()

void SoGLShaderProgram::scheduleLinking ( )

◆ set1f()

void SoGLShaderProgram::set1f	(	const SbString &	name,
		const float	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set1fv()

void SoGLShaderProgram::set1fv	(	const SbString &	name,
		const int	num,
		const float *	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set1i()

void SoGLShaderProgram::set1i	(	const SbString &	name,
		const int32_t	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set2f() [1/2]

void SoGLShaderProgram::set2f	(	const SbString &	name,
		const float *	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set2f() [2/2]

void SoGLShaderProgram::set2f	(	const SbString &	name,
		const float	value0,
		const float	value1
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set2fv()

void SoGLShaderProgram::set2fv	(	const SbString &	name,
		const int	num,
		const float *	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set2i() [1/2]

void SoGLShaderProgram::set2i	(	const SbString &	name,
		const int32_t *	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set2i() [2/2]

void SoGLShaderProgram::set2i	(	const SbString &	name,
		const SbVec2s &	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set3f() [1/2]

void SoGLShaderProgram::set3f	(	const SbString &	name,
		const float *	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set3f() [2/2]

void SoGLShaderProgram::set3f	(	const SbString &	name,
		const float	value0,
		const float	value1,
		const float	value2
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set3fv()

void SoGLShaderProgram::set3fv	(	const SbString &	name,
		const int	num,
		const float *	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set3i() [1/2]

void SoGLShaderProgram::set3i	(	const SbString &	name,
		const int32_t *	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set3i() [2/2]

void SoGLShaderProgram::set3i	(	const SbString &	name,
		const SbVec3s &	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set4f() [1/2]

void SoGLShaderProgram::set4f	(	const SbString &	name,
		const float *	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set4f() [2/2]

void SoGLShaderProgram::set4f	(	const SbString &	name,
		const float	value0,
		const float	value1,
		const float	value2,
		const float	value3
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set4fv()

void SoGLShaderProgram::set4fv	(	const SbString &	name,
		const int	num,
		const float *	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ set4i()

void SoGLShaderProgram::set4i	(	const SbString &	name,
		const int32_t *	value
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ setAlwaysReadErrorLog()

void SoGLShaderProgram::setAlwaysReadErrorLog ( bool flag )

inline

Definition at line 152 of file SoGLShaderProgram.h.

◆ setGeometryInputType()

void SoGLShaderProgram::setGeometryInputType ( GLint type )

inline

Definition at line 64 of file SoGLShaderProgram.h.

◆ setGeometryOutputType()

void SoGLShaderProgram::setGeometryOutputType ( GLint type )

inline

Definition at line 67 of file SoGLShaderProgram.h.

◆ setGeometryVerticesOut()

void SoGLShaderProgram::setGeometryVerticesOut ( GLint number )

inline

Definition at line 70 of file SoGLShaderProgram.h.

◆ setMatrix3fv()

void SoGLShaderProgram::setMatrix3fv	(	const SbString &	,
		int	,
		const float *	,
		SbBool	= `FALSE`
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ setMatrix4fv()

void SoGLShaderProgram::setMatrix4fv	(	const SbString &	,
		int	,
		const float *	,
		SbBool	= `FALSE`
	)

overridevirtual

Reimplemented from SoUniformParameterBase.

◆ setName()

void SoGLShaderProgram::setName ( const SbString & name )

inline

Definition at line 114 of file SoGLShaderProgram.h.

◆ setNumAssignedTextureUnits()

void SoGLShaderProgram::setNumAssignedTextureUnits ( int num )

inline

Definition at line 86 of file SoGLShaderProgram.h.

◆ shaderVersion()

int SoGLShaderProgram::shaderVersion ( SoShader::ShaderType type ) const

Get the used GLSL version for the given shader type.

◆ shouldLink()

SbBool SoGLShaderProgram::shouldLink ( ) const

inline

Definition at line 144 of file SoGLShaderProgram.h.

◆ updateUniformInfo()

void SoGLShaderProgram::updateUniformInfo ( GLint programHandle )

◆ updateUniformsFromState()

virtual void SoGLShaderProgram::updateUniformsFromState ( SoState * )

inlinevirtual

Update the shader uniforms according to the current Inventor state.

To be reimplemented in derived classes.

Reimplemented in SoGLInventorShaderProgram.

Definition at line 76 of file SoGLShaderProgram.h.

Member Data Documentation

◆ _alwaysReadErrorLog

bool SoGLShaderProgram::_alwaysReadErrorLog

protected

Definition at line 180 of file SoGLShaderProgram.h.

◆ _assignedTextureUnits

int SoGLShaderProgram::_assignedTextureUnits

protected

Definition at line 166 of file SoGLShaderProgram.h.

◆ _errorLog

SbString SoGLShaderProgram::_errorLog

protected

Definition at line 182 of file SoGLShaderProgram.h.

◆ _geometryInputType

GLint SoGLShaderProgram::_geometryInputType

protected

Definition at line 40 of file SoGLShaderProgram.h.

◆ _geometryOutputType

GLint SoGLShaderProgram::_geometryOutputType

protected

Definition at line 41 of file SoGLShaderProgram.h.

◆ _geometryVerticesOut

GLint SoGLShaderProgram::_geometryVerticesOut

protected

Definition at line 42 of file SoGLShaderProgram.h.

◆ _hadError

bool SoGLShaderProgram::_hadError

protected

Definition at line 181 of file SoGLShaderProgram.h.

◆ _isExecutable

SbBool SoGLShaderProgram::_isExecutable

protected

Definition at line 162 of file SoGLShaderProgram.h.

◆ _name

SbString SoGLShaderProgram::_name

protected

Definition at line 164 of file SoGLShaderProgram.h.

◆ _programRes

ml::GLSLProgram SoGLShaderProgram::_programRes

protected

Definition at line 38 of file SoGLShaderProgram.h.

◆ _shaderObjects

std::list<SoGLShaderObject *> SoGLShaderProgram::_shaderObjects

protected

Definition at line 160 of file SoGLShaderProgram.h.

◆ _shouldLink

SbBool SoGLShaderProgram::_shouldLink

protected

Definition at line 161 of file SoGLShaderProgram.h.

◆ _uniformInfo

std::map<std::string, UniformInfo> SoGLShaderProgram::_uniformInfo

protected

Definition at line 176 of file SoGLShaderProgram.h.

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

MeVisLab/Standard/Sources/Inventor/SoShader/Inventor/misc/SoGLShaderProgram.h

Classes

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ LinkageResult

Constructor & Destructor Documentation

◆ SoGLShaderProgram()

◆ ~SoGLShaderProgram()

Member Function Documentation

◆ addShaderObject()

◆ addTextureSampler()

◆ alwaysReadErrorLog()

◆ clearAssignedTextureUnits()

◆ disable()

◆ enable()

◆ getErrorLog()

◆ getName()

◆ getNumAssignedTextureUnits()

◆ getProgramHandle()

◆ getProgramResource()

◆ getUniform()

◆ hadLinkError()

◆ isActiveUniform()

◆ isExecutable()

◆ isValid()

◆ link()

◆ postLinkSetup()

◆ preLinkSetup()

◆ removeAllShaderObjects()

◆ removeShaderObject()

◆ reset()

◆ scheduleLinking()

◆ set1f()

◆ set1fv()

◆ set1i()

◆ set2f() [1/2]

◆ set2f() [2/2]

◆ set2fv()

◆ set2i() [1/2]

◆ set2i() [2/2]

◆ set3f() [1/2]

◆ set3f() [2/2]

◆ set3fv()

◆ set3i() [1/2]

◆ set3i() [2/2]

◆ set4f() [1/2]

◆ set4f() [2/2]

◆ set4fv()

◆ set4i()

◆ setAlwaysReadErrorLog()

◆ setGeometryInputType()

◆ setGeometryOutputType()

◆ setGeometryVerticesOut()

◆ setMatrix3fv()

◆ setMatrix4fv()

◆ setName()

◆ setNumAssignedTextureUnits()

◆ shaderVersion()

◆ shouldLink()

◆ updateUniformInfo()

◆ updateUniformsFromState()

Member Data Documentation

◆ _alwaysReadErrorLog

◆ _assignedTextureUnits

◆ _errorLog

◆ _geometryInputType

◆ _geometryOutputType

◆ _geometryVerticesOut

◆ _hadError

◆ _isExecutable

◆ _name

◆ _programRes

◆ _shaderObjects

◆ _shouldLink

◆ _uniformInfo