VSN::Shader Class Reference

Shader class implements a pixel shader and its program. This class provides loading and also compiling and performing subprogram of vertexes and shader itself. More...

#include <vsn_shader.h>

Public Member Functions
	Shader ()
	Default consructor.
	Shader (std::istream &vertex, std::istream &fragment)
	Constructor with loading vertexes and fragment.
	Shader (const Shader &)
	Copy constructor.
	~Shader ()
	Destructor.
GLuint	GetId () const
	Returns program identifier.
bool	IsShaderUsed () const
	Returns true if shader is used.
bool	IsCanBeDeleted () const
	Returns true if shader can be deleted.
const String &	GetName () const
	Returns shader name.
void	SetName (const String &name)
	Sets shader name.
OpenGLShaderProgram *	GetProgramShader ()
	Returns pointer to QGLProgramShader for this shader.
int	GetPositionAttrId () const
	Returns position identifier.
int	GetTextureAttrId () const
	Returns texture identifier.
int	GetColorAttrId () const
	Returns color identifier.
int	GetNormalAttrId () const
	Returns normal identifier.
void	SetupVertexFragmentShader (std::istream &vertex, std::istream &fragment)
	Sets shaders of vertexes and fragment from file.
void	ReplaceShader (const Shader &other)
	Replaces this shader with copy of another shader.
int	GetModelViewMatrixId () const
	Returns identifier of model view matrix.
int	GetModelViewProjMatrixId () const
	Returns identifier of projection matrix of model view.
int	GetModelViewInverseMatrixId () const
	Returns identifier of view inverse matrix (location).
int	GetEnableLightingId () const
	Returns identifier of lighting enabled.
int	GetEnableLightingStateId () const
	Returns identifier of lighting state.
int	GetPositionLightingId (GLenum lightId) const
	Returns position of light source by its identifier.
int	GetAmbientLightingId (GLenum lightId) const
	Returns value of ambient lighting by identifier.
int	GetDiffuseLightingId (GLenum lightId) const
	Returns value of diffusion by identifier.
int	GetSpecularLightingId (GLenum lightId) const
	Returns value of specularity by identifier.
int	GetSpotDirectionLightingId (GLenum lightId) const
	Returns value of lighting spot by identifier.
int	GetAttebuationFactorsLightingId (GLenum lightId) const
	Returns value of lighting attenuation by identifier.
int	GetSpotExponentLightingId (GLenum lightId) const
	Returns value of single lighting (spot) by identifier.
int	GetSpotCutoffLightingId (GLenum lightId) const
	Returns value of spot cut by identifier.
int	GetDistanceAttenuationLightingId (GLenum lightId) const
	Returns value of lighting attenuation from distance by identifier.
void	ActivateProgram ()
	Activates shader program.
void	CreateLinkProgrammShader ()
	Creates and links shader program. If linking error, then exception occurs.
void	DeleteShader ()
	Deletes shader.
Shader &	operator= (const Shader &other)
	Assigns data to another shader.

Static Public Member Functions
static size_t	GetShaderCount ()
	Returns shader quantity.
static bool	IsExistIdAsShader (uint shadingGroupId)
	Returns true if group identifier is applied for shaders.
static Shader *	GetShaderById (uint shadingGroupId)
	Returns pointer to shader by identifier, if no shader, then nullptr is returned.
static bool	IsExistActiveShader ()
	Returns true if there is an active shader.
static Shader *	GetActiveShader ()
	Returns pointer to active shader, if no shader, then nullptr is returned.
static bool	ActivateProgram (uint ShadingGroupId)
	Activates shader program by identifier.
static void	DeactivateProgram ()
	Deactivates shader program.

Detailed Description

Shader class implements a pixel shader and its program. This class provides loading and also compiling and performing subprogram of vertexes and shader itself.

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

• vsn_shader.h