com.bonzaiengine.shader

Class Shader

java.lang.Object

com.bonzaiengine.shader.Shader

All Implemented Interfaces:

java.lang.Comparable<com.bonzaiengine.shader.AbstractShader>

public class Shader
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
Shader(java.lang.String name, java.lang.String vertexCode, java.lang.String fragmentCode)

Method Summary

Modifier and Type	Method and Description
void	bind(IGL gl)
int	compareTo(com.bonzaiengine.shader.AbstractShader o)
int	getAttributeLocation(ShaderIn attribute)
java.lang.String	getFragmentCode()
java.lang.String	getLoadError()
java.lang.String	getName()
int	getProgram()
int	getRefCount()
ShaderState	getState()
<T extends IValueCopy<T>> ShaderUniform<T>	getUniform(ShaderUniform.BuiltIn uniform)
int	getUniformLocation(ShaderUniform.BuiltIn uniform)
java.lang.String	getVertexCode()
boolean	isActive(ShaderCaps capability)
boolean	isLoaded()
boolean	load(IGL gl)
void	onContextLost() Must be called when OpenGL context is lost
int	release() Decrement reference counter
void	sendUniforms(IGL gl) Send uniform value, if changed, to OpenGL.
void	setFragmentCode(java.lang.String code)
void	setVertexCode(java.lang.String code)
java.lang.String	toString()
void	unbind(IGL gl)
void	unload(IGL gl)
int	use() Increment reference counter

Methods inherited from class java.lang.Object

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

Constructor Detail

Shader

public Shader(java.lang.String name,
              java.lang.String vertexCode,
              java.lang.String fragmentCode)

Method Detail

getVertexCode

public final java.lang.String getVertexCode()

setVertexCode

public void setVertexCode(java.lang.String code)

getFragmentCode

public final java.lang.String getFragmentCode()

setFragmentCode

public void setFragmentCode(java.lang.String code)

load

public boolean load(IGL gl)

getAttributeLocation

public final int getAttributeLocation(ShaderIn attribute)

Returns:

the attribute location, -1 if it does not exists.

isActive

public boolean isActive(ShaderCaps capability)

toString

public final java.lang.String toString()

Overrides:

toString in class java.lang.Object

compareTo

public final int compareTo(com.bonzaiengine.shader.AbstractShader o)

Specified by:

compareTo in interface java.lang.Comparable<com.bonzaiengine.shader.AbstractShader>

getName

public final java.lang.String getName()

getLoadError

public final java.lang.String getLoadError()

unload

public final void unload(IGL gl)

isLoaded

public final boolean isLoaded()

Returns:

true if this shader is loaded

getProgram

public final int getProgram()

Returns:

the program ID

onContextLost

public final void onContextLost()

Must be called when OpenGL context is lost

bind

public final void bind(IGL gl)

unbind

public final void unbind(IGL gl)

getState

public ShaderState getState()

Returns:

ShaderState of this Shader.
The ShaderState contains uniforms list and values for this shader.

getUniform

public final <T extends IValueCopy<T>> ShaderUniform<T> getUniform(ShaderUniform.BuiltIn uniform)

getUniformLocation

public final int getUniformLocation(ShaderUniform.BuiltIn uniform)

Returns:

the uniform location, -1 if it does not exists.

sendUniforms

public final void sendUniforms(IGL gl)

Send uniform value, if changed, to OpenGL.
ShaderUniform implementation bufferize uniform value, the transfer to OpenGL is actual done here.

Parameters:

gl - OpenGL context

getRefCount

public final int getRefCount()

Returns:

this shader reference counter

use

public final int use()

Increment reference counter

Returns:

the new reference counter value

release

public final int release()

Decrement reference counter

Returns:

the new reference counter value