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* Copyright 2012 JogAmp Community. All rights reserved.
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* permitted provided that the following conditions are met:
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
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package com.jogamp.opengl.test.junit.jogl.util;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLEventListener;
import com.jogamp.opengl.GLException;
import com.jogamp.opengl.GLUniformData;
import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
import com.jogamp.opengl.util.ImmModeSink;
import com.jogamp.opengl.util.PMVMatrix;
import com.jogamp.opengl.util.glsl.ShaderCode;
import com.jogamp.opengl.util.glsl.ShaderProgram;
import com.jogamp.opengl.util.glsl.ShaderState;
public class DemoGL2ES2ImmModeSink implements GLEventListener {
private final ShaderState st;
private final PMVMatrix pmvMatrix;
private final int glBufferUsage;
private ShaderProgram sp;
private GLUniformData pmvMatrixUniform;
private ImmModeSink ims;
public DemoGL2ES2ImmModeSink(final boolean useVBO, final boolean useShaderState) {
if(useShaderState) {
st = new ShaderState();
st.setVerbose(true);
} else {
st = null;
}
glBufferUsage = useVBO ? GL.GL_STATIC_DRAW : 0;
pmvMatrix = new PMVMatrix();
}
public void init(final GLAutoDrawable glad) {
final GL2ES2 gl = glad.getGL().getGL2ES2();
System.err.println("GL_VENDOR "+gl.glGetString(GL.GL_VENDOR));
System.err.println("GL_RENDERER "+gl.glGetString(GL.GL_RENDERER));
System.err.println("GL_VERSION "+gl.glGetString(GL.GL_VERSION));
final ShaderCode vp0 = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, DemoGL2ES2ImmModeSink.class,
"../demos/es2/shader", "../demos/es2/shader/bin", "mgl_default_xxx", true);
final ShaderCode fp0 = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, DemoGL2ES2ImmModeSink.class,
"../demos/es2/shader", "../demos/es2/shader/bin", "mgl_default_xxx", true);
vp0.defaultShaderCustomization(gl, true, true);
fp0.defaultShaderCustomization(gl, true, true);
sp = new ShaderProgram();
sp.add(gl, vp0, System.err);
sp.add(gl, fp0, System.err);
if( null != st ) {
st.attachShaderProgram(gl, sp, true);
} else {
if(!sp.link(gl, System.err)) {
throw new GLException("Could not link program: "+sp);
}
sp.useProgram(gl, true);
}
pmvMatrixUniform = new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf());
if(null != st) {
st.ownUniform(pmvMatrixUniform);
st.uniform(gl, pmvMatrixUniform);
} else {
if( pmvMatrixUniform.setLocation(gl, sp.program()) < 0 ) {
throw new GLException("Could not find location for uniform: "+pmvMatrixUniform+", "+sp);
}
gl.glUniform(pmvMatrixUniform);
}
// Using predef array names, see
// GLPointerFuncUtil.getPredefinedArrayIndexName(glArrayIndex);
if( null != st ) {
ims = ImmModeSink.createGLSL(40,
3, GL.GL_FLOAT, // vertex
4, GL.GL_FLOAT, // color
0, GL.GL_FLOAT, // normal
0, GL.GL_FLOAT, // texCoords
glBufferUsage, st);
} else {
ims = ImmModeSink.createGLSL(40,
3, GL.GL_FLOAT, // vertex
4, GL.GL_FLOAT, // color
0, GL.GL_FLOAT, // normal
0, GL.GL_FLOAT, // texCoords
glBufferUsage, sp.program());
}
final int numSteps = 20;
final double increment = Math.PI / numSteps;
final double radius = 1;
ims.glBegin(GL.GL_LINES);
for (int i = numSteps - 1; i >= 0; i--) {
ims.glVertex3f((float) (radius * Math.cos(i * increment)),
(float) (radius * Math.sin(i * increment)),
0f);
ims.glColor4f( 1f, 1f, 1f, 1f );
ims.glVertex3f((float) (-1.0 * radius * Math.cos(i * increment)),
(float) (-1.0 * radius * Math.sin(i * increment)),
0f);
ims.glColor4f( 1f, 1f, 1f, 1f );
}
ims.glEnd(gl, false);
if(null != st) {
st.useProgram(gl, false);
} else {
gl.glUseProgram(0);
}
}
public void dispose(final GLAutoDrawable glad) {
final GL2ES2 gl = glad.getGL().getGL2ES2();
ims.destroy(gl);
ims = null;
if(null != st) {
st.destroy(gl);
}
}
public void display(final GLAutoDrawable drawable) {
final GL2ES2 gl = drawable.getGL().getGL2ES2();
gl.glClear( GL.GL_COLOR_BUFFER_BIT );
// draw a triangle filling the window
ims.glBegin(GL.GL_TRIANGLES);
ims.glColor3f( 1, 0, 0 );
ims.glVertex2f( 0, 0 );
ims.glColor3f( 0, 1, 0 );
ims.glVertex2f( drawable.getSurfaceWidth(), 0 );
ims.glColor3f( 0, 0, 1 );
ims.glVertex2f( drawable.getSurfaceWidth() / 2f, drawable.getSurfaceHeight() );
ims.glEnd(gl, true);
}
// Unused routines
public void reshape(final GLAutoDrawable glad, final int x, final int y, final int width, final int height) {
System.err.println("reshape ..");
final GL2ES2 gl = glad.getGL().getGL2ES2();
pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
pmvMatrix.glLoadIdentity();
// coordinate system origin at lower left with width and height same as the window
pmvMatrix.glOrthof( 0.0f, width, 0.0f, height, -1, 1 );
pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
pmvMatrix.glLoadIdentity();
if(null != st) {
st.useProgram(gl, true);
st.uniform(gl, pmvMatrixUniform);
st.useProgram(gl, false);
} else {
gl.glUseProgram(sp.program());
gl.glUniform(pmvMatrixUniform);
gl.glUseProgram(0);
}
}
public void displayChanged(final GLAutoDrawable drawable, final boolean modeChanged, final boolean deviceChanged) {
}
}