playn.core

Class GLProgram

java.lang.Object

playn.core.GLProgram

All Implemented Interfaces:

java.lang.AutoCloseable, Closeable

public class GLProgram
extends java.lang.Object
implements Closeable

Encapsulates a GL vertex and fragment shader program pair.

Nested Class Summary

Nested classes/interfaces inherited from interface react.Closeable

Closeable.Set, Closeable.Util

Field Summary

Fields

Modifier and Type	Field and Description
int	id The GL id of this shader program.

Constructor Summary

Constructors

Constructor and Description
GLProgram(GL20 gl, java.lang.String vertexSource, java.lang.String fragmentSource) Compiles and links the shader program described by vertexSource and fragmentSource.

Method Summary

Modifier and Type	Method and Description
void	activate() Binds this shader program, in preparation for rendering.
void	close() Frees this program and associated compiled shaders.
int	getAttribLocation(java.lang.String name) Returns the attribute location with the specified name.
int	getUniformLocation(java.lang.String name) Returns the uniform location with the specified name.

Methods inherited from class java.lang.Object

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

Field Detail

id

public final int id

The GL id of this shader program.

Constructor Detail

GLProgram

public GLProgram(GL20 gl,
                 java.lang.String vertexSource,
                 java.lang.String fragmentSource)

Compiles and links the shader program described by vertexSource and fragmentSource.

Throws:

java.lang.RuntimeException - if the program fails to compile or link.

Method Detail

getUniformLocation

public int getUniformLocation(java.lang.String name)

Returns the uniform location with the specified name.

getAttribLocation

public int getAttribLocation(java.lang.String name)

Returns the attribute location with the specified name.

activate

public void activate()

Binds this shader program, in preparation for rendering.

close

public void close()

Frees this program and associated compiled shaders. The program must not be used after closure.

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface Closeable