Package gaiasky.util.gdx.shader

Class ExtShaderProgram

java.lang.Object

gaiasky.util.gdx.shader.ExtShaderProgram

All Implemented Interfaces:

com.badlogic.gdx.utils.Disposable

Direct Known Subclasses:

TessellationShaderProgram

public class ExtShaderProgram
extends Object
implements com.badlogic.gdx.utils.Disposable

Field Summary

Fields

Modifier and Type	Field	Description
protected String[]	attributeNames	Attribute names.
protected com.badlogic.gdx.utils.ObjectIntMap<String>	attributes	Attribute lookup.
protected com.badlogic.gdx.utils.ObjectIntMap<String>	attributeSizes	Attribute sizes.
protected com.badlogic.gdx.utils.ObjectIntMap<String>	attributeTypes	Attribute types.
static final String	COLOR_ATTRIBUTE	Default name for color attributes.
protected String	fragmentShaderFile
protected int	fragmentShaderHandle	Fragment shader handle.
protected String	fragmentShaderSource	Fragment shader source.
protected String	geometryShaderFile
protected String	geometryShaderSource	Geometry shader source.
protected boolean	invalidated	Whether this shader was invalidated.
protected boolean	isCompiled	Whether this program compiled successfully.
protected boolean	isDisposed	Whether this program has been disposed.
protected boolean	isLazy	Whether lazy loading is activated for this shader.
protected String	log	The log.
protected String	name	The shader name, if any.
static final String	NORMAL_ATTRIBUTE	Default name for normal attribute.
protected IntBuffer	params	Int buffer for parameters.
static boolean	pedantic	Flag indicating whether attributes invalid input: '&' uniforms must be present at all times.
static final String	POSITION_ATTRIBUTE	Default name for position attributes.
static String	prependFragmentCode	Code that is always added to every fragment shader code, typically used to inject a #version line.
static String	prependGeometryCode	Code that is always added to the geometry shader code, typically used to inject a #version line.
static String	prependVertexCode	Code that is always added to the vertex shader code, typically used to inject a #version line.
protected int	program	Program handle.
static final String	TEXCOORD_ATTRIBUTE	Default name for texture coordinates attributes, append texture unit number.
protected IntBuffer	type	Int buffer for types.
protected String[]	uniformNames	Uniform names.
protected com.badlogic.gdx.utils.ObjectIntMap<String>	uniforms	Uniform lookup.
protected com.badlogic.gdx.utils.ObjectIntMap<String>	uniformSizes	Uniform sizes.
protected com.badlogic.gdx.utils.ObjectIntMap<String>	uniformTypes	Uniform types.
protected String	vertexShaderFile
protected int	vertexShaderHandle	Vertex shader handle.
protected String	vertexShaderSource	Vertex shader source.

Constructor Summary

Constructors

Constructor	Description
ExtShaderProgram()
ExtShaderProgram(com.badlogic.gdx.files.FileHandle vertexShader, com.badlogic.gdx.files.FileHandle fragmentShader)
ExtShaderProgram(String vertexShader, String fragmentShader)	Constructs a new ShaderProgram and immediately compiles it.
ExtShaderProgram(String vertexFile, String fragmentFile, String vertexShaderCode, String fragmentShaderCode)
ExtShaderProgram(String name, String vertexFile, String fragmentFile, String vertexShaderCode, String fragmentShaderCode)
ExtShaderProgram(String name, String vertexFile, String fragmentFile, String vertexShaderCode, String fragmentShaderCode, boolean lazyLoading)	Constructs a new ShaderProgram and immediately compiles it.
ExtShaderProgram(String vertexFile, String geometryFile, String fragmentFile, String vertexShaderCode, String geometryShaderCode, String fragmentShaderCode)
ExtShaderProgram(String name, String vertexFile, String geometryFile, String fragmentFile, String vertexShaderCode, String geometryShaderCode, String fragmentShaderCode)
ExtShaderProgram(String name, String vertexFile, String geometryFile, String fragmentFile, String vertexShaderCode, String geometryShaderCode, String fragmentShaderCode, boolean lazyLoading)	Constructs a new ShaderProgram and immediately compiles it.

Method Summary

Modifier and Type	Method	Description
void	begin()	Makes OpenGL ES 2.0 use this vertex and fragment shader pair.
static void	clearAllShaderPrograms(com.badlogic.gdx.Application app)
void	compile()
protected int	createProgram()
void	disableVertexAttribute(int location)
void	disableVertexAttribute(String name)	Disables the vertex attribute with the given name
void	dispose()	Disposes all resources associated with this shader.
void	enableVertexAttribute(int location)
void	enableVertexAttribute(String name)	Enables the vertex attribute with the given name
void	end()	Disables this shader.
protected int	fetchAttributeLocation(String name)
protected void	fetchAttributes()
protected int	fetchUniformLocation(String name)
int	fetchUniformLocation(String name, boolean pedantic)
protected void	fetchUniforms()
int	getAttributeLocation(String name)
String[]	getAttributes()
int	getAttributeSize(String name)
int	getAttributeType(String name)
String	getFragmentShaderSource()
String	getLog()
static String	getManagedStatus()
static int	getNumManagedShaderPrograms()
int	getUniformLocation(String name)
String[]	getUniforms()
int	getUniformSize(String name)
int	getUniformType(String name)
String	getVertexShaderSource()
boolean	hasAttribute(String name)
boolean	hasUniform(String name)
protected void	initializeLocalAssets()
static void	invalidateAllShaderPrograms(com.badlogic.gdx.Application app)	Invalidates all shaders so the next time they are used new handles are generated
boolean	isCompiled()
boolean	isLazy()
void	setAttributef(String name, float value1, float value2, float value3, float value4)	Sets the given attribute
void	setUniform1fv(int location, float[] values, int offset, int length)
void	setUniform1fv(String name, float[] values, int offset, int length)
void	setUniform2fv(int location, float[] values, int offset, int length)
void	setUniform2fv(String name, float[] values, int offset, int length)
void	setUniform3fv(int location, float[] values, int offset, int length)
void	setUniform3fv(String name, float[] values, int offset, int length)
void	setUniform4fv(int location, float[] values, int offset, int length)
void	setUniform4fv(String name, float[] values, int offset, int length)
void	setUniformf(int location, float value)
void	setUniformf(int location, float value1, float value2)
void	setUniformf(int location, float value1, float value2, float value3)
void	setUniformf(int location, float value1, float value2, float value3, float value4)
void	setUniformf(int location, com.badlogic.gdx.graphics.Color values)
void	setUniformf(int location, com.badlogic.gdx.math.Vector2 values)
void	setUniformf(int location, com.badlogic.gdx.math.Vector3 values)
void	setUniformf(String name, float value)	Sets the uniform with the given name.
void	setUniformf(String name, float value1, float value2)	Sets the uniform with the given name.
void	setUniformf(String name, float value1, float value2, float value3)	Sets the uniform with the given name.
void	setUniformf(String name, float value1, float value2, float value3, float value4)	Sets the uniform with the given name.
void	setUniformf(String name, com.badlogic.gdx.graphics.Color values)	Sets the uniform with the given name.
void	setUniformf(String name, com.badlogic.gdx.math.Vector2 values)	Sets the uniform with the given name.
void	setUniformf(String name, com.badlogic.gdx.math.Vector3 values)	Sets the uniform with the given name.
void	setUniformi(int location, int value)
void	setUniformi(int location, int value1, int value2)
void	setUniformi(int location, int value1, int value2, int value3)
void	setUniformi(int location, int value1, int value2, int value3, int value4)
void	setUniformi(String name, int value)	Sets the uniform with the given name.
void	setUniformi(String name, int value1, int value2)	Sets the uniform with the given name.
void	setUniformi(String name, int value1, int value2, int value3)	Sets the uniform with the given name.
void	setUniformi(String name, int value1, int value2, int value3, int value4)	Sets the uniform with the given name.
void	setUniformMatrix(int location, com.badlogic.gdx.math.Matrix3 matrix)
void	setUniformMatrix(int location, com.badlogic.gdx.math.Matrix3 matrix, boolean transpose)
void	setUniformMatrix(int location, com.badlogic.gdx.math.Matrix4 matrix)
void	setUniformMatrix(int location, com.badlogic.gdx.math.Matrix4 matrix, boolean transpose)
void	setUniformMatrix(String name, com.badlogic.gdx.math.Matrix3 matrix)	Sets the uniform matrix with the given name.
void	setUniformMatrix(String name, com.badlogic.gdx.math.Matrix3 matrix, boolean transpose)	Sets the uniform matrix with the given name.
void	setUniformMatrix(String name, com.badlogic.gdx.math.Matrix4 matrix)	Sets the uniform matrix with the given name.
void	setUniformMatrix(String name, com.badlogic.gdx.math.Matrix4 matrix, boolean transpose)	Sets the uniform matrix with the given name.
void	setUniformMatrix3fv(String name, FloatBuffer buffer, int count, boolean transpose)	Sets an array of uniform matrices with the given name.
void	setUniformMatrix4fv(int location, float[] values, int offset, int length)
void	setUniformMatrix4fv(String name, float[] values, int offset, int length)
void	setUniformMatrix4fv(String name, FloatBuffer buffer, int count, boolean transpose)	Sets an array of uniform matrices with the given name.
void	setVertexAttribute(int location, int size, int type, boolean normalize, int stride, int offset)
void	setVertexAttribute(int location, int size, int type, boolean normalize, int stride, Buffer buffer)
void	setVertexAttribute(String name, int size, int type, boolean normalize, int stride, int offset)	Sets the vertex attribute with the given name.
void	setVertexAttribute(String name, int size, int type, boolean normalize, int stride, Buffer buffer)	Sets the vertex attribute with the given name.

Methods inherited from class java.lang.Object

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

Field Details

POSITION_ATTRIBUTE

public static final String POSITION_ATTRIBUTE

Default name for position attributes.

See Also:

• Constant Field Values

COLOR_ATTRIBUTE

public static final String COLOR_ATTRIBUTE

Default name for color attributes.

See Also:

• Constant Field Values

NORMAL_ATTRIBUTE

public static final String NORMAL_ATTRIBUTE

Default name for normal attribute.

See Also:

• Constant Field Values

TEXCOORD_ATTRIBUTE

public static final String TEXCOORD_ATTRIBUTE

Default name for texture coordinates attributes, append texture unit number.

See Also:

• Constant Field Values

pedantic

public static boolean pedantic

Flag indicating whether attributes invalid input: '&' uniforms must be present at all times.

prependVertexCode

public static String prependVertexCode

Code that is always added to the vertex shader code, typically used to inject a #version line. Note that this is added as-is, you should include a newline (`\n`) if needed.

prependGeometryCode

public static String prependGeometryCode

Code that is always added to the geometry shader code, typically used to inject a #version line. Note that this is added as-is, you should include a newline (`\n`) if needed.

prependFragmentCode

public static String prependFragmentCode

Code that is always added to every fragment shader code, typically used to inject a #version line. Note that this is added as-is, you should include a newline (`\n`) if needed.

params

protected IntBuffer params

Int buffer for parameters.

type

protected IntBuffer type

Int buffer for types.

log

protected String log

The log.

name

protected String name

The shader name, if any.

isCompiled

protected boolean isCompiled

Whether this program compiled successfully.

isLazy

protected boolean isLazy

Whether lazy loading is activated for this shader.

isDisposed

protected boolean isDisposed

Whether this program has been disposed.

uniforms

protected com.badlogic.gdx.utils.ObjectIntMap<String> uniforms

Uniform lookup.

uniformTypes

protected com.badlogic.gdx.utils.ObjectIntMap<String> uniformTypes

Uniform types.

uniformSizes

protected com.badlogic.gdx.utils.ObjectIntMap<String> uniformSizes

Uniform sizes.

uniformNames

protected String[] uniformNames

Uniform names.

attributes

protected com.badlogic.gdx.utils.ObjectIntMap<String> attributes

Attribute lookup.

attributeTypes

protected com.badlogic.gdx.utils.ObjectIntMap<String> attributeTypes

Attribute types.

attributeSizes

protected com.badlogic.gdx.utils.ObjectIntMap<String> attributeSizes

Attribute sizes.

attributeNames

protected String[] attributeNames

Attribute names.

program

protected int program

Program handle.

vertexShaderHandle

protected int vertexShaderHandle

Vertex shader handle.

fragmentShaderHandle

protected int fragmentShaderHandle

Fragment shader handle.

vertexShaderSource

protected String vertexShaderSource

Vertex shader source.

geometryShaderSource

protected String geometryShaderSource

Geometry shader source.

fragmentShaderSource

protected String fragmentShaderSource

Fragment shader source.

vertexShaderFile

protected String vertexShaderFile

geometryShaderFile

protected String geometryShaderFile

fragmentShaderFile

protected String fragmentShaderFile

invalidated

protected boolean invalidated

Whether this shader was invalidated.

Constructor Details

ExtShaderProgram

public ExtShaderProgram()

ExtShaderProgram

public ExtShaderProgram(String vertexFile,
 String fragmentFile,
 String vertexShaderCode,
 String fragmentShaderCode)

ExtShaderProgram

public ExtShaderProgram(String vertexFile,
 String geometryFile,
 String fragmentFile,
 String vertexShaderCode,
 String geometryShaderCode,
 String fragmentShaderCode)

ExtShaderProgram

public ExtShaderProgram(String name,
 String vertexFile,
 String geometryFile,
 String fragmentFile,
 String vertexShaderCode,
 String geometryShaderCode,
 String fragmentShaderCode)

ExtShaderProgram

public ExtShaderProgram(String name,
 String vertexFile,
 String fragmentFile,
 String vertexShaderCode,
 String fragmentShaderCode)

ExtShaderProgram

public ExtShaderProgram(String name,
 String vertexFile,
 String fragmentFile,
 String vertexShaderCode,
 String fragmentShaderCode,
 boolean lazyLoading)

Constructs a new ShaderProgram and immediately compiles it.

Parameters:

name - The shader name, if any.

vertexFile - The vertex shader file.

fragmentFile - The fragment shader file.

vertexShaderCode - The vertex shader code.

fragmentShaderCode - The fragment shader code.

lazyLoading - Whether to use lazy loading, only preparing the data without actually compiling the shaders.

ExtShaderProgram

public ExtShaderProgram(String name,
 String vertexFile,
 String geometryFile,
 String fragmentFile,
 String vertexShaderCode,
 String geometryShaderCode,
 String fragmentShaderCode,
 boolean lazyLoading)

Constructs a new ShaderProgram and immediately compiles it.

Parameters:

name - The shader name, if any.

vertexFile - The vertex shader file.

geometryFile - The geometry shader file.

fragmentFile - The fragment shader file.

vertexShaderCode - The vertex shader code.

geometryShaderCode - The geometry shader code.

fragmentShaderCode - The fragment shader code.

lazyLoading - Whether to use lazy loading, only preparing the data without actually compiling the shaders.

ExtShaderProgram

public ExtShaderProgram(String vertexShader,
 String fragmentShader)

Constructs a new ShaderProgram and immediately compiles it.

Parameters:

vertexShader - The vertex shader code.

fragmentShader - The fragment shader code.

ExtShaderProgram

public ExtShaderProgram(com.badlogic.gdx.files.FileHandle vertexShader,
 com.badlogic.gdx.files.FileHandle fragmentShader)

Method Details

invalidateAllShaderPrograms

public static void invalidateAllShaderPrograms(com.badlogic.gdx.Application app)

Invalidates all shaders so the next time they are used new handles are generated

Parameters:

app - The application.

clearAllShaderPrograms

public static void clearAllShaderPrograms(com.badlogic.gdx.Application app)

getManagedStatus

public static String getManagedStatus()

getNumManagedShaderPrograms

public static int getNumManagedShaderPrograms()

Returns:

the number of managed shader programs currently loaded

initializeLocalAssets

protected void initializeLocalAssets()

compile

public void compile()

createProgram

protected int createProgram()

getLog

public String getLog()

Returns:

the log info for the shader compilation and program linking stage. The shader needs to be bound for this method to have an effect.

isCompiled

public boolean isCompiled()

Returns:

whether this program compiled successfully.

isLazy

public boolean isLazy()

Returns:

whether this program has lazy loading activated.

fetchAttributeLocation

protected int fetchAttributeLocation(String name)

fetchUniformLocation

protected int fetchUniformLocation(String name)

fetchUniformLocation

public int fetchUniformLocation(String name,
 boolean pedantic)

setUniformi

public void setUniformi(String name,
 int value)

Sets the uniform with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

value - the value

setUniformi

public void setUniformi(int location,
 int value)

setUniformi

public void setUniformi(String name,
 int value1,
 int value2)

Sets the uniform with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

value1 - the first value

value2 - the second value

setUniformi

public void setUniformi(int location,
 int value1,
 int value2)

setUniformi

public void setUniformi(String name,
 int value1,
 int value2,
 int value3)

Sets the uniform with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

value1 - the first value

value2 - the second value

value3 - the third value

setUniformi

public void setUniformi(int location,
 int value1,
 int value2,
 int value3)

setUniformi

public void setUniformi(String name,
 int value1,
 int value2,
 int value3,
 int value4)

Sets the uniform with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

value1 - the first value

value2 - the second value

value3 - the third value

value4 - the fourth value

setUniformi

public void setUniformi(int location,
 int value1,
 int value2,
 int value3,
 int value4)

setUniformf

public void setUniformf(String name,
 float value)

Sets the uniform with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

value - the value

setUniformf

public void setUniformf(int location,
 float value)

setUniformf

public void setUniformf(String name,
 float value1,
 float value2)

Sets the uniform with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

value1 - the first value

value2 - the second value

setUniformf

public void setUniformf(int location,
 float value1,
 float value2)

setUniformf

public void setUniformf(String name,
 float value1,
 float value2,
 float value3)

Sets the uniform with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

value1 - the first value

value2 - the second value

value3 - the third value

setUniformf

public void setUniformf(int location,
 float value1,
 float value2,
 float value3)

setUniformf

public void setUniformf(String name,
 float value1,
 float value2,
 float value3,
 float value4)

Sets the uniform with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

value1 - the first value

value2 - the second value

value3 - the third value

value4 - the fourth value

setUniformf

public void setUniformf(int location,
 float value1,
 float value2,
 float value3,
 float value4)

setUniform1fv

public void setUniform1fv(String name,
 float[] values,
 int offset,
 int length)

setUniform1fv

public void setUniform1fv(int location,
 float[] values,
 int offset,
 int length)

setUniform2fv

public void setUniform2fv(String name,
 float[] values,
 int offset,
 int length)

setUniform2fv

public void setUniform2fv(int location,
 float[] values,
 int offset,
 int length)

setUniform3fv

public void setUniform3fv(String name,
 float[] values,
 int offset,
 int length)

setUniform3fv

public void setUniform3fv(int location,
 float[] values,
 int offset,
 int length)

setUniform4fv

public void setUniform4fv(String name,
 float[] values,
 int offset,
 int length)

setUniform4fv

public void setUniform4fv(int location,
 float[] values,
 int offset,
 int length)

setUniformMatrix

public void setUniformMatrix(String name,
 com.badlogic.gdx.math.Matrix4 matrix)

Sets the uniform matrix with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

matrix - the matrix

setUniformMatrix

public void setUniformMatrix(String name,
 com.badlogic.gdx.math.Matrix4 matrix,
 boolean transpose)

Sets the uniform matrix with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

matrix - the matrix

transpose - whether the matrix should be transposed

setUniformMatrix

public void setUniformMatrix(int location,
 com.badlogic.gdx.math.Matrix4 matrix)

setUniformMatrix

public void setUniformMatrix(int location,
 com.badlogic.gdx.math.Matrix4 matrix,
 boolean transpose)

setUniformMatrix

public void setUniformMatrix(String name,
 com.badlogic.gdx.math.Matrix3 matrix)

Sets the uniform matrix with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

matrix - the matrix

setUniformMatrix

public void setUniformMatrix(String name,
 com.badlogic.gdx.math.Matrix3 matrix,
 boolean transpose)

Sets the uniform matrix with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

matrix - the matrix

transpose - whether the uniform matrix should be transposed

setUniformMatrix

public void setUniformMatrix(int location,
 com.badlogic.gdx.math.Matrix3 matrix)

setUniformMatrix

public void setUniformMatrix(int location,
 com.badlogic.gdx.math.Matrix3 matrix,
 boolean transpose)

setUniformMatrix3fv

public void setUniformMatrix3fv(String name,
 FloatBuffer buffer,
 int count,
 boolean transpose)

Sets an array of uniform matrices with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

buffer - buffer containing the matrix data

transpose - whether the uniform matrix should be transposed

setUniformMatrix4fv

public void setUniformMatrix4fv(String name,
 FloatBuffer buffer,
 int count,
 boolean transpose)

Sets an array of uniform matrices with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

buffer - buffer containing the matrix data

transpose - whether the uniform matrix should be transposed

setUniformMatrix4fv

public void setUniformMatrix4fv(int location,
 float[] values,
 int offset,
 int length)

setUniformMatrix4fv

public void setUniformMatrix4fv(String name,
 float[] values,
 int offset,
 int length)

setUniformf

public void setUniformf(String name,
 com.badlogic.gdx.math.Vector2 values)

Sets the uniform with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

values - x and y as the first and second values respectively

setUniformf

public void setUniformf(int location,
 com.badlogic.gdx.math.Vector2 values)

setUniformf

public void setUniformf(String name,
 com.badlogic.gdx.math.Vector3 values)

Sets the uniform with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

values - x, y and z as the first, second and third values respectively

setUniformf

public void setUniformf(int location,
 com.badlogic.gdx.math.Vector3 values)

setUniformf

public void setUniformf(String name,
 com.badlogic.gdx.graphics.Color values)

Sets the uniform with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the name of the uniform

values - r, g, b and a as the first through fourth values respectively

setUniformf

public void setUniformf(int location,
 com.badlogic.gdx.graphics.Color values)

setVertexAttribute

public void setVertexAttribute(String name,
 int size,
 int type,
 boolean normalize,
 int stride,
 Buffer buffer)

Sets the vertex attribute with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the attribute name

size - the number of components, must be >= 1 and invalid input: '<'= 4

type - the type, must be one of GL20.GL_BYTE, GL20.GL_UNSIGNED_BYTE, GL20.GL_SHORT, GL20.GL_UNSIGNED_SHORT,GL20.GL_FIXED, or GL20.GL_FLOAT. GL_FIXED will not work on the desktop

normalize - whether fixed point data should be normalized. Will not work on the desktop

stride - the stride in bytes between successive attributes

buffer - the buffer containing the vertex attributes.

setVertexAttribute

public void setVertexAttribute(int location,
 int size,
 int type,
 boolean normalize,
 int stride,
 Buffer buffer)

setVertexAttribute

public void setVertexAttribute(String name,
 int size,
 int type,
 boolean normalize,
 int stride,
 int offset)

Sets the vertex attribute with the given name. The ExtShaderProgram must be bound for this to work.

Parameters:

name - the attribute name

size - the number of components, must be >= 1 and invalid input: '<'= 4

type - the type, must be one of GL20.GL_BYTE, GL20.GL_UNSIGNED_BYTE, GL20.GL_SHORT, GL20.GL_UNSIGNED_SHORT,GL20.GL_FIXED, or GL20.GL_FLOAT. GL_FIXED will not work on the desktop

normalize - whether fixed point data should be normalized. Will not work on the desktop

stride - the stride in bytes between successive attributes

offset - byte offset into the vertex buffer object bound to GL20.GL_ARRAY_BUFFER.

setVertexAttribute

public void setVertexAttribute(int location,
 int size,
 int type,
 boolean normalize,
 int stride,
 int offset)

begin

public void begin()

Makes OpenGL ES 2.0 use this vertex and fragment shader pair. When you are done with this shader you have to call end().

end

public void end()

Disables this shader. Must be called when one is done with the shader. Don't mix it with dispose, that will release the shader resources.

disableVertexAttribute

public void disableVertexAttribute(String name)

Disables the vertex attribute with the given name

Parameters:

name - the vertex attribute name

disableVertexAttribute

public void disableVertexAttribute(int location)

enableVertexAttribute

public void enableVertexAttribute(String name)

Enables the vertex attribute with the given name

Parameters:

name - the vertex attribute name

enableVertexAttribute

public void enableVertexAttribute(int location)

setAttributef

public void setAttributef(String name,
 float value1,
 float value2,
 float value3,
 float value4)

Sets the given attribute

Parameters:

name - the name of the attribute

value1 - the first value

value2 - the second value

value3 - the third value

value4 - the fourth value

fetchUniforms

protected void fetchUniforms()

fetchAttributes

protected void fetchAttributes()

hasAttribute

public boolean hasAttribute(String name)

Parameters:

name - the name of the attribute

Returns:

whether the attribute is available in the shader

getAttributeType

public int getAttributeType(String name)

Parameters:

name - the name of the attribute

Returns:

the type of the attribute, one of GL20.GL_FLOAT, GL20.GL_FLOAT_VEC2 etc.

getAttributeLocation

public int getAttributeLocation(String name)

Parameters:

name - the name of the attribute

Returns:

the location of the attribute or -1.

getAttributeSize

public int getAttributeSize(String name)

Parameters:

name - the name of the attribute

Returns:

the size of the attribute or 0.

hasUniform

public boolean hasUniform(String name)

Parameters:

name - the name of the uniform

Returns:

whether the uniform is available in the shader

getUniformType

public int getUniformType(String name)

Parameters:

name - the name of the uniform

Returns:

the type of the uniform, one of GL20.GL_FLOAT, GL20.GL_FLOAT_VEC2 etc.

getUniformLocation

public int getUniformLocation(String name)

Parameters:

name - the name of the uniform

Returns:

the location of the uniform or -1.

getUniformSize

public int getUniformSize(String name)

Parameters:

name - the name of the uniform

Returns:

the size of the uniform or 0.

getAttributes

public String[] getAttributes()

Returns:

the attributes

getUniforms

public String[] getUniforms()

Returns:

the uniforms

getVertexShaderSource

public String getVertexShaderSource()

Returns:

the source of the vertex shader

getFragmentShaderSource

public String getFragmentShaderSource()

Returns:

the source of the fragment shader

dispose

public void dispose()

Disposes all resources associated with this shader. Must be called when the shader is no longer used.

Specified by:

dispose in interface com.badlogic.gdx.utils.Disposable