Package dev.prozilla.pine.core.rendering

Class ShaderProgram

java.lang.Object

dev.prozilla.pine.core.rendering.ShaderProgram

All Implemented Interfaces:

Lifecycle

public class ShaderProgram
extends Object
implements Lifecycle

Represents an OpenGL shader program.

Constructor Summary

Constructors

Constructor	Description
ShaderProgram()	Creates a shader program.

Method Summary

Modifier and Type	Method	Description
void	attachShader(Shader shader)	Attach a shader to this program.
void	bindFragmentDataLocation(int number, CharSequence name)	Binds the fragment out color variable.
void	checkStatus()	Checks if the program was linked successfully.
void	destroy()	Deletes the shader program.
void	disableVertexAttribute(int location)	Disables a vertex attribute.
void	enableVertexAttribute(int location)	Enables a vertex attribute.
int	getAttributeLocation(CharSequence name)	Gets the location of an attribute variable with specified name.
int	getUniformLocation(CharSequence name)	Gets the location of a uniform variable with specified name.
void	link()	Link this program and check its status afterward.
void	pointVertexAttribute(int location, int size, int stride, int offset)	Sets the vertex attribute pointer.
void	setUniform(int location, float value)	Sets the uniform variable for specified location.
void	setUniform(int location, int value)	Sets the uniform variable for specified location.
void	setUniform(int location, int[] value)	Sets the uniform variable for specified location.
void	setUniform(int location, Matrix2f value)	Sets the uniform variable for specified location.
void	setUniform(int location, Matrix3f value)	Sets the uniform variable for specified location.
void	setUniform(int location, Matrix4f value)	Sets the uniform variable for specified location.
void	setUniform(int location, Vector2f value)	Sets the uniform variable for specified location.
void	setUniform(int location, Vector3f value)	Sets the uniform variable for specified location.
void	setUniform(int location, Vector4f value)	Sets the uniform variable for specified location.
void	use()	Use this shader program.

Methods inherited from class java.lang.Object

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

Methods inherited from interface dev.prozilla.pine.common.Lifecycle

init, init, input, input, render, render, start, update, update

Constructor Details

ShaderProgram

public ShaderProgram()

Creates a shader program.

Method Details

attachShader

public void attachShader(Shader shader)

Attach a shader to this program.

Parameters:

shader - Shader to get attached

bindFragmentDataLocation

public void bindFragmentDataLocation(int number,
 CharSequence name)

Binds the fragment out color variable.

Parameters:

number - Color number you want to bind

name - Variable name

link

public void link()

Link this program and check its status afterward.

getAttributeLocation

public int getAttributeLocation(CharSequence name)

Gets the location of an attribute variable with specified name.

Parameters:

name - Attribute name

Returns:

Location of the attribute

enableVertexAttribute

public void enableVertexAttribute(int location)

Enables a vertex attribute.

Parameters:

location - Location of the vertex attribute

disableVertexAttribute

public void disableVertexAttribute(int location)

Disables a vertex attribute.

Parameters:

location - Location of the vertex attribute

pointVertexAttribute

public void pointVertexAttribute(int location,
 int size,
 int stride,
 int offset)

Sets the vertex attribute pointer.

Parameters:

location - Location of the vertex attribute

size - Number of values per vertex

stride - Offset between consecutive generic vertex attributes in bytes

offset - Offset of the first component of the first generic vertex attribute in bytes

getUniformLocation

public int getUniformLocation(CharSequence name)

Gets the location of a uniform variable with specified name.

Parameters:

name - Uniform name

Returns:

Location of the uniform

setUniform

public void setUniform(int location,
 int value)

Sets the uniform variable for specified location.

Parameters:

location - Uniform location

value - Value to set

setUniform

public void setUniform(int location,
 float value)

Sets the uniform variable for specified location.

Parameters:

location - Uniform location

value - Value to set

setUniform

public void setUniform(int location,
 Vector2f value)

Sets the uniform variable for specified location.

Parameters:

location - Uniform location

value - Value to set

setUniform

public void setUniform(int location,
 Vector3f value)

Sets the uniform variable for specified location.

Parameters:

location - Uniform location

value - Value to set

setUniform

public void setUniform(int location,
 Vector4f value)

Sets the uniform variable for specified location.

Parameters:

location - Uniform location

value - Value to set

setUniform

public void setUniform(int location,
 Matrix2f value)

Sets the uniform variable for specified location.

Parameters:

location - Uniform location

value - Value to set

setUniform

public void setUniform(int location,
 Matrix3f value)

Sets the uniform variable for specified location.

Parameters:

location - Uniform location

value - Value to set

setUniform

public void setUniform(int location,
 Matrix4f value)

Sets the uniform variable for specified location.

Parameters:

location - Uniform location

value - Value to set

setUniform

public void setUniform(int location,
 int[] value)

Sets the uniform variable for specified location.

Parameters:

location - Uniform location

value - Value to set

use

public void use()

Use this shader program.

checkStatus

public void checkStatus()

Checks if the program was linked successfully.

destroy

public void destroy()

Deletes the shader program.

Specified by:

destroy in interface Lifecycle