codeanticode.glgraphics
Class GLSLShader

java.lang.Object
  codeanticode.glgraphics.GLSLShader

public class GLSLShader
extends java.lang.Object

This class encapsulates a glsl shader. Based in the code by JohnG (http://www.hardcorepawn.com/)

Field Summary

protected int	fragmentShader
protected GL	gl
protected processing.core.PApplet	parent
protected PGraphicsOpenGL	pgl
protected int	programObject
protected int	vertexShader

Constructor Summary

GLSLShader(processing.core.PApplet parent)
Creates an instance of GLSLShader.

Method Summary

protected void	checkLogInfo(java.lang.String title, int obj)
int	getAttribLocation(java.lang.String name) Returns the ID location of the attribute parameter given its name.
int	getUniformLocation(java.lang.String name) Returns the ID location of the uniform parameter given its name.
void	linkProgram() Links the shader program and validates it.
void	loadFragmentShader(java.lang.String file) Loads and compiles the fragment shader contained in file.
void	loadVertexShader(java.lang.String file) Loads and compiles the vertex shader contained in file.
void	start() Starts the execution of the shader program.
void	stop() Stops the execution of the shader program.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

parent

protected processing.core.PApplet parent

gl

protected GL gl

pgl

protected PGraphicsOpenGL pgl

programObject

protected int programObject

vertexShader

protected int vertexShader

fragmentShader

protected int fragmentShader

Constructor Detail

GLSLShader

public GLSLShader(processing.core.PApplet parent)

Creates an instance of GLSLShader.

Parameters:

parent - PApplet

Method Detail

loadVertexShader

public void loadVertexShader(java.lang.String file)

Loads and compiles the vertex shader contained in file.

Parameters:

file - String

loadFragmentShader

public void loadFragmentShader(java.lang.String file)

Loads and compiles the fragment shader contained in file.

Parameters:

file - String

getAttribLocation

public int getAttribLocation(java.lang.String name)

Returns the ID location of the attribute parameter given its name.

Parameters:

name - String

Returns:

int

getUniformLocation

public int getUniformLocation(java.lang.String name)

Returns the ID location of the uniform parameter given its name.

Parameters:

name - String

Returns:

int

linkProgram

public void linkProgram()

Links the shader program and validates it.

start

public void start()

Starts the execution of the shader program.

stop

public void stop()

Stops the execution of the shader program.

checkLogInfo

protected void checkLogInfo(java.lang.String title,
                            int obj)