codeanticode.glgraphics
Class GLCgShader

java.lang.Object
  codeanticode.glgraphics.GLShader
      codeanticode.glgraphics.GLCgShader

All Implemented Interfaces:

GLConstants

public class GLCgShader
extends GLShader

This class encapsulates a Cg shader. Based in the code by Victor Martins (http://www.pixelnerve.com/v/)

Field Summary

Fields inherited from interface codeanticode.glgraphics.GLConstants

BACKGROUND_ALPHA, CG_CONTEXT, CG_EFFECT, CG_PROGRAM, COLOR, DOUBLE, FLOAT, FRAGMENT_PROGRAM, GEOMETRY_PROGRAM, GL_DEPTH_STENCIL, GL_DEPTH24_STENCIL8, GL_FRAME_BUFFER, GL_PIXEL_BUFFER, GL_RENDER_BUFFER, GL_TEXTURE_OBJECT, GL_UNSIGNED_INT_24_8, GL_VERTEX_BUFFER, GLGRAPHICS, GLSL_PROGRAM, GLSL_SHADER, IDENTITY_MATRIX, INVERSE_MATRIX, INVERSE_TRANSPOSE_MATRIX, LINE_ADJACENCY, LINEAR_MIPMAP_LINEAR, LINEAR_MIPMAP_NEAREST, LINEAR_SAMPLING, NEAREST_MIPMAP_LINEAR, NEAREST_MIPMAP_NEAREST, NEAREST_SAMPLING, SHADER_VAR_ARRAY, SHADER_VAR_FLOAT, SHADER_VAR_INT, SHADER_VAR_MAT2, SHADER_VAR_MAT3, SHADER_VAR_MAT4, SHADER_VAR_MODELVIEW_MAT, SHADER_VAR_MODELVIEW_PROJECTION_MAT, SHADER_VAR_PROJECTION_MAT, SHADER_VAR_TEXTURE_MAT, SHADER_VAR_TEXTURE_SAMPLER, SHADER_VAR_VEC2, SHADER_VAR_VEC3, SHADER_VAR_VEC4, TEX_BYTE, TEX_INT, TEX_NORM, TEX_ONEDIM, TEX_RECT, TRANSPOSE_MATRIX, TRIANGLE_ADJACENCY, VERTEX_PROGRAM

Constructor Summary

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

GLCgShader(processing.core.PApplet parent, java.lang.String vertexFN, java.lang.String fragmentFN)
Creates a read-to-use instance of GLCgShader with vertex and fragment shaders

GLCgShader(processing.core.PApplet parent, java.lang.String vertexFN, java.lang.String geometryFN, java.lang.String fragmentFN)
Creates a read-to-use instance of GLCgShader with vertex, geometry and fragment shaders

Method Summary

void	delete()
CGparameter	getFragmentParameter(java.lang.String name) Returns the parameter in the fragment shader with the sepcified name.
CGparameter	getGeometryParameter(java.lang.String name) Returns the parameter in the geometry shader with the sepcified name.
CGparameter	getVertexParameter(java.lang.String name) Returns the parameter in the vertex shader with the sepcified name.
boolean	isInitialized() Returns true or false depending on whether the shader is initialized or not.
void	loadFragmentShader(java.lang.String file) Reads fragment shader from file.
void	loadFragmentShader(java.net.URL url) Reads fragment shader from url.
void	loadGeometryShader(java.lang.String file) Reads geometry shader from file.
void	loadGeometryShader(java.net.URL url) Reads geometry shader from url.
void	loadVertexShader(java.lang.String file) Reads vertex shader from file.
void	loadVertexShader(java.net.URL url) Reads vertex shader from url.
void	setFloatParameter(java.lang.String name, float x) Sets the float parameter with name to the given value
void	setIntParameter(java.lang.String name, int x) Sets the int parameter with name to the given value
void	setMatParameter(java.lang.String name, float m00, float m01, float m10, float m11) Sets the mat2 parameter with name to the given values
void	setMatParameter(java.lang.String name, float m00, float m01, float m02, float m10, float m11, float m12, float m20, float m21, float m22) Sets the mat3 parameter with name to the given value
void	setMatParameter(java.lang.String name, float m00, float m01, float m02, float m03, float m10, float m11, float m12, float m13, float m20, float m21, float m22, float m23, float m30, float m31, float m32, float m33) Sets the mat4 parameter with name to the given value
void	setModelviewMatrix(java.lang.String name) Copies the modelview matrix from OpenGL to parameter name in the shader.
void	setModelviewProjectionMatrix(java.lang.String name) Copies the modelview-projection matrix from OpenGL to parameter name in the shader.
void	setProgram(int p) Sets the current program which we pass parameters to.
void	setProjectionMatrix(java.lang.String name) Copies the projection matrix from OpenGL to parameter name in the shader.
void	setTexParameter(java.lang.String name, GLTexture tex) Sets the texture parameter name with the OpenGL id of the provided texture object.
void	setTextureMatrix(java.lang.String name) Copies the texture matrix from OpenGL to parameter name in the shader.
void	setup() Compiles all the shaders.
void	setVecParameter(java.lang.String name, float x, float y) Sets the vec2 parameter with name to the given values
void	setVecParameter(java.lang.String name, float x, float y, float z) Sets the vec3 parameter with name to the given values
void	setVecParameter(java.lang.String name, float x, float y, float z, float w) Sets the vec4 parameter with name to the given values
void	start() Starts shader execution.
void	stop() Stops shader execution.

Methods inherited from class java.lang.Object

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

Constructor Detail

GLCgShader

public GLCgShader(processing.core.PApplet parent)

Creates an instance of GLCgShader.

Parameters:

parent - PApplet

GLCgShader

public GLCgShader(processing.core.PApplet parent,
                  java.lang.String vertexFN,
                  java.lang.String fragmentFN)

Creates a read-to-use instance of GLCgShader with vertex and fragment shaders

Parameters:

parent - PApplet

vertexFN - String

fragmentFN - String

GLCgShader

public GLCgShader(processing.core.PApplet parent,
                  java.lang.String vertexFN,
                  java.lang.String geometryFN,
                  java.lang.String fragmentFN)

Creates a read-to-use instance of GLCgShader with vertex, geometry and fragment shaders

Parameters:

parent - PApplet

vertexFN - String

fragmentFN - String

Method Detail

delete

public void delete()

Overrides:

delete in class GLShader

loadVertexShader

public void loadVertexShader(java.lang.String file)

Reads vertex shader from file.

Specified by:

loadVertexShader in class GLShader

Parameters:

file - String

loadVertexShader

public void loadVertexShader(java.net.URL url)

Reads vertex shader from url.

Specified by:

loadVertexShader in class GLShader

Parameters:

url - URL

loadGeometryShader

public void loadGeometryShader(java.lang.String file)

Reads geometry shader from file.

Specified by:

loadGeometryShader in class GLShader

Parameters:

file - String

loadGeometryShader

public void loadGeometryShader(java.net.URL url)

Reads geometry shader from url.

Specified by:

loadGeometryShader in class GLShader

Parameters:

url - URL

loadFragmentShader

public void loadFragmentShader(java.lang.String file)

Reads fragment shader from file.

Specified by:

loadFragmentShader in class GLShader

Parameters:

file - String

loadFragmentShader

public void loadFragmentShader(java.net.URL url)

Reads fragment shader from url.

Specified by:

loadFragmentShader in class GLShader

Parameters:

url - URL

setup

public void setup()

Compiles all the shaders.

Specified by:

setup in class GLShader

isInitialized

public boolean isInitialized()

Returns true or false depending on whether the shader is initialized or not.

Specified by:

isInitialized in class GLShader

start

public void start()

Starts shader execution.

Specified by:

start in class GLShader

stop

public void stop()

Stops shader execution.

Specified by:

stop in class GLShader

getVertexParameter

public CGparameter getVertexParameter(java.lang.String name)

Returns the parameter in the vertex shader with the sepcified name.

Parameters:

name - String

getGeometryParameter

public CGparameter getGeometryParameter(java.lang.String name)

Returns the parameter in the geometry shader with the sepcified name.

Parameters:

name - String

getFragmentParameter

public CGparameter getFragmentParameter(java.lang.String name)

Returns the parameter in the fragment shader with the sepcified name.

Parameters:

name - String

setProgram

public void setProgram(int p)

Sets the current program which we pass parameters to. p could be VERTEX_PROGRAM, FRAGMENT_PROGRAM or GEOMETRY_PROGRAM

Parameters:

p - int

setTexParameter

public void setTexParameter(java.lang.String name,
                            GLTexture tex)

Sets the texture parameter name with the OpenGL id of the provided texture object.

Parameters:

name - String

tex - GLTexture

setIntParameter

public void setIntParameter(java.lang.String name,
                            int x)

Sets the int parameter with name to the given value

Parameters:

name - String

x - int

setFloatParameter

public void setFloatParameter(java.lang.String name,
                              float x)

Sets the float parameter with name to the given value

Parameters:

name - String

x - float

setVecParameter

public void setVecParameter(java.lang.String name,
                            float x,
                            float y)

Sets the vec2 parameter with name to the given values

Parameters:

name - String

x - float

y - float

setVecParameter

public void setVecParameter(java.lang.String name,
                            float x,
                            float y,
                            float z)

Sets the vec3 parameter with name to the given values

Parameters:

name - String

x - float

y - float

z - float

setVecParameter

public void setVecParameter(java.lang.String name,
                            float x,
                            float y,
                            float z,
                            float w)

Sets the vec4 parameter with name to the given values

Parameters:

name - String

x - float

y - float

z - float

w - float

setMatParameter

public void setMatParameter(java.lang.String name,
                            float m00,
                            float m01,
                            float m10,
                            float m11)

Sets the mat2 parameter with name to the given values

Parameters:

name - String

m00 - float ...

setMatParameter

public void setMatParameter(java.lang.String name,
                            float m00,
                            float m01,
                            float m02,
                            float m10,
                            float m11,
                            float m12,
                            float m20,
                            float m21,
                            float m22)

Sets the mat3 parameter with name to the given value

Parameters:

name - String

m00 - float ...

setMatParameter

public void setMatParameter(java.lang.String name,
                            float m00,
                            float m01,
                            float m02,
                            float m03,
                            float m10,
                            float m11,
                            float m12,
                            float m13,
                            float m20,
                            float m21,
                            float m22,
                            float m23,
                            float m30,
                            float m31,
                            float m32,
                            float m33)

Sets the mat4 parameter with name to the given value

Parameters:

name - String

m00 - float ...

setModelviewMatrix

public void setModelviewMatrix(java.lang.String name)

Copies the modelview matrix from OpenGL to parameter name in the shader.

Parameters:

name - String

setProjectionMatrix

public void setProjectionMatrix(java.lang.String name)

Copies the projection matrix from OpenGL to parameter name in the shader.

Parameters:

name - String

setModelviewProjectionMatrix

public void setModelviewProjectionMatrix(java.lang.String name)

Copies the modelview-projection matrix from OpenGL to parameter name in the shader.

Parameters:

name - String

setTextureMatrix

public void setTextureMatrix(java.lang.String name)

Copies the texture matrix from OpenGL to parameter name in the shader.

Parameters:

name - String