Shader Class Reference

Class for handling shaders. More...

#include <pmp/viewers/shader.h>

Public Member Functions
	~Shader ()
	Default destructor, clears all shaders.
bool	is_valid () const
	Indicate if shader is valid.
void	source (const char *vshader, const char *fshader)
	Get source from strings, compile, and link vertex and fragment shader.
void	load (const char *vfile, const char *ffile, const char *gfile=nullptr, const char *tcfile=nullptr, const char *tefile=nullptr)
	Load from file, compile, and link vertex and fragment shader, and optional geometry and tessellation shaders.
void	use ()
	Enable/bind this shader program.
void	disable ()
	Disable/unbind this shader program.
void	bind_attribute (const char *name, GLuint index)
	Bind attribute to location.
void	set_uniform (const char *name, float value)
	Upload float uniform.
void	set_uniform (const char *name, int value)
	Upload int uniform.
void	set_uniform (const char *name, const vec2 &vec)
	Upload vec2 uniform.
void	set_uniform (const char *name, const vec3 &vec)
	Upload vec3 uniform.
void	set_uniform (const char *name, const vec4 &vec)
	Upload vec4 uniform.
void	set_uniform (const char *name, const mat3 &mat)
	Upload mat3 uniform.
void	set_uniform (const char *name, const mat4 &mat)
	Upload mat4 uniform.

Detailed Description

Class for handling shaders.

Member Function Documentation

load()

void load	(	const char *	vfile,
		const char *	ffile,
		const char *	gfile = nullptr,
		const char *	tcfile = nullptr,
		const char *	tefile = nullptr
	)

Load from file, compile, and link vertex and fragment shader, and optional geometry and tessellation shaders.

Unused shaders should be nullptr.

Parameters

vfile	string with the address to the vertex shader
ffile	string with the address to the fragment shader
gfile	filename of geometry shader
tcfile	filename of tessellation control shader
tefile	filename of tessellation evaluation shader

set_uniform() [1/7]

void set_uniform	(	const char *	name,
		const mat3 &	mat
	)

Upload mat3 uniform.

Parameters

name	string of the uniform name
mat	the value for the uniform

set_uniform() [2/7]

void set_uniform	(	const char *	name,
		const mat4 &	mat
	)

Upload mat4 uniform.

Parameters

name	string of the uniform name
mat	the value for the uniform

set_uniform() [3/7]

void set_uniform	(	const char *	name,
		const vec2 &	vec
	)

Upload vec2 uniform.

Parameters

name	string of the uniform name
vec	the value for the uniform

set_uniform() [4/7]

void set_uniform	(	const char *	name,
		const vec3 &	vec
	)

Upload vec3 uniform.

Parameters

name	string of the uniform name
vec	the value for the uniform

set_uniform() [5/7]

void set_uniform	(	const char *	name,
		const vec4 &	vec
	)

Upload vec4 uniform.

Parameters

name	string of the uniform name
vec	the value for the uniform

set_uniform() [6/7]

void set_uniform	(	const char *	name,
		float	value
	)

Upload float uniform.

Parameters

name	string of the uniform name
value	the value for the uniform

set_uniform() [7/7]

void set_uniform	(	const char *	name,
		int	value
	)

Upload int uniform.

Parameters

name	string of the uniform name
value	the value for the uniform

source()

void source	(	const char *	vshader,
		const char *	fshader
	)

Get source from strings, compile, and link vertex and fragment shader.

Parameters

vshader	string with the address to the vertex shader
fshader	string with the address to the fragment shader