GLSL program class. More...

#include <ACG/ShaderUtils/GLSLShader.hh>

Public Member Functions
	Program ()
	Creates a new GLSL program object.
virtual	~Program ()
	Deletes the GLSL program object and frees the linked shader objects.
Compilation/Linking
void	attach (PtrConstShader _shader)
	Attaches a shader object to the program object.
void	detach (PtrConstShader _shader)
	Detaches a shader object from the program object.
void	link ()
	Links the shader objects to the program.
Localizations
int	getAttributeLocation (const char *_name)
	Get location of the specified attribute.
int	getUniformLocation (const char *_name)
	Get location of the specified uniform.
void	bindAttributeLocation (unsigned int _index, const char *_name)
	Bind attribute to name.
Uniform setters
void	setUniform (const char *_name, GLint _value)
	Set int uniform to specified value.
void	setUniform (const char *_name, GLfloat _value)
	Set float uniform to specified value.
void	setUniform (const char *_name, const ACG::Vec2f &_value)
	Set Vec2f uniform to specified value.
void	setUniform (const char *_name, const ACG::Vec3f &_value)
	Set int uniform to specified value.
void	setUniform (const char *_name, const ACG::Vec4f &_value)
	Set int uniform to specified value.
void	setUniform (const char *_name, const ACG::GLMatrixf &_value, bool _transposed=false)
	Set 4x4fMatrix uniform to specified value.
void	setUniformMat3 (const char *_name, const ACG::GLMatrixf &_value, bool _transposed=false)
	Set 3x3fMatrix uniform to specified value.
void	setUniform (const char _name, GLint _values, int _count)
	Set int array uniform to specified values.
void	setUniform (const char _name, GLfloat _values, int _count)
	Set float array uniform to specified values.
void	setUniform (const char *_name, int _index, bool _value)
	Set an entry of a bool uniform array.
void	setUniform (const char *_name, int _index, int _value)
	Set an entry of a int uniform array.
void	setUniform (const char *_name, int _index, float _value)
	Set an entry of a float uniform array.
Geometry shader parameters
void	setGeometryInputType (GLint _type)
	Set Type of Geometry.
void	setGeometryOutputType (GLint _type)
	Set output type of geometry.
void	setGeometryVertexCount (GLint _numVerticesOut)
	Sets the maximum vertex output of the geometry shader.
Enable/disable functions
void	use ()
	Enables the program object for using.
void	disable ()
	Resets to standard rendering pipeline.
bool	isActive ()
	Returns if the program object is currently active.

Private Attributes
std::list< PtrConstShader >	m_linkedShaders
GLint	m_programId

Detailed Description

GLSL program class.

A GLSL program links together the vertex and fragment shaders.

Definition at line 138 of file GLSLShader.hh.

Member Function Documentation

void GLSL::Program::bindAttributeLocation	(	unsigned int	_index,
		const char *	_name
	)

Bind attribute to name.

Parameters

_index	Index of the attribute to be bound
_name	Name of the attribute

Definition at line 454 of file GLSLShader.cc.

int GLSL::Program::getAttributeLocation ( const char * _name )

Get location of the specified attribute.

Parameters

_name Name of the attribute

Returns: Attribute location

Definition at line 464 of file GLSLShader.cc.

int GLSL::Program::getUniformLocation ( const char * _name )

Get location of the specified uniform.

Parameters

_name Name of the uniform

Returns: Attribute uniform

Definition at line 475 of file GLSLShader.cc.

void GLSL::Program::setGeometryInputType ( GLint _type )

Set Type of Geometry.

valid input types: GL_POINTS, GL_LINES, GL_LINES_ADJACENCY_EXT, GL_TRIANGLES, GL_TRIANGLES_ADJACENCY_EXT

Parameters

_type Geometry type

Definition at line 487 of file GLSLShader.cc.

void GLSL::Program::setGeometryOutputType ( GLint _type )

Set output type of geometry.

valid output types: GL_POINTS, GL_LINE_STRIP, GL_TRIANGLE_STRIP

Parameters

_type Output geometry type

Definition at line 497 of file GLSLShader.cc.

void GLSL::Program::setGeometryVertexCount ( GLint _numVerticesOut )

Sets the maximum vertex output of the geometry shader.

Query GL_MAX_GEOMETRY_OUTPUT_VERTICES_EXT to get the gpu limitation

Parameters

_numVerticesOut Maximal number of vertices

Definition at line 507 of file GLSLShader.cc.

void GLSL::Program::setUniform	(	const char *	_name,
		GLint	_value
	)

Set int uniform to specified value.

Parameters

_name	Name of the uniform
_value	New value of the uniform

Definition at line 290 of file GLSLShader.cc.

void GLSL::Program::setUniform	(	const char *	_name,
		GLfloat	_value
	)

Set float uniform to specified value.

Parameters

_name	Name of the uniform
_value	New value of the uniform

Definition at line 303 of file GLSLShader.cc.

void GLSL::Program::setUniform	(	const char *	_name,
		const ACG::Vec2f &	_value
	)

Set Vec2f uniform to specified value.

Set Vec4f uniform to specified value.

Set Vec3f uniform to specified value.

Parameters

_name	Name of the uniform
_value	New value of the uniform

Definition at line 316 of file GLSLShader.cc.

void GLSL::Program::setUniform	(	const char *	_name,
		const ACG::Vec3f &	_value
	)

Set int uniform to specified value.

Parameters

_name	Name of the uniform
_value	New value of the uniform

void GLSL::Program::setUniform	(	const char *	_name,
		const ACG::Vec4f &	_value
	)

Set int uniform to specified value.

Parameters

_name	Name of the uniform
_value	New value of the uniform

void GLSL::Program::setUniform	(	const char *	_name,
		const ACG::GLMatrixf &	_value,
		bool	_transposed = `false`
	)

Set 4x4fMatrix uniform to specified value.

Parameters

_name	Name of the uniform
_value	Matrix to be set
_transposed	Is the matrix transposed?

Definition at line 421 of file GLSLShader.cc.

void GLSL::Program::setUniform	(	const char *	_name,
		GLint *	_values,
		int	_count
	)

Set int array uniform to specified values.

Parameters

_name	Name of the uniform to be set
_values	Pointer to an array with the new values
_count	Number of values in the given array

Definition at line 356 of file GLSLShader.cc.

void GLSL::Program::setUniform	(	const char *	_name,
		GLfloat *	_values,
		int	_count
	)

Set float array uniform to specified values.

Parameters

_name	Name of the uniform to be set
_values	Pointer to an array with the new values
_count	Number of values in the given array

Definition at line 370 of file GLSLShader.cc.

void GLSL::Program::setUniform	(	const char *	_name,
		int	_index,
		bool	_value
	)

Set an entry of a bool uniform array.

Parameters

_name	Name of the uniform to be set
_index	Entry in the array
_value	New value of the entry

Definition at line 384 of file GLSLShader.cc.

void GLSL::Program::setUniform	(	const char *	_name,
		int	_index,
		int	_value
	)

Set an entry of a int uniform array.

Parameters

_name	Name of the uniform to be set
_index	Entry in the array
_value	New value of the entry

Definition at line 396 of file GLSLShader.cc.

void GLSL::Program::setUniform	(	const char *	_name,
		int	_index,
		float	_value
	)

Set an entry of a float uniform array.

Parameters

_name	Name of the uniform to be set
_index	Entry in the array
_value	New value of the entry

Definition at line 408 of file GLSLShader.cc.

void GLSL::Program::setUniformMat3	(	const char *	_name,
		const ACG::GLMatrixf &	_value,
		bool	_transposed = `false`
	)

Set 3x3fMatrix uniform to specified value.

Parameters

_name	Name of the uniform
_value	Matrix to be set
_transposed	Is the matrix transposed?

Definition at line 435 of file GLSLShader.cc.

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

ACG/ShaderUtils/GLSLShader.hh
ACG/ShaderUtils/GLSLShader.cc

Public Member Functions

Private Attributes

Detailed Description

Member Function Documentation