/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
* Copyright (c) 2010 JogAmp Community. All rights reserved.
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package com.jogamp.opengl.test.junit.jogl.demos.es2;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLEventListener;
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 MultisampleDemoES2 implements GLEventListener {
private boolean multisample, clearBuffers;
private final ShaderState st;
private final PMVMatrix pmvMatrix;
private ShaderProgram sp0;
private GLUniformData pmvMatrixUniform;
private ImmModeSink immModeSink;
public MultisampleDemoES2(final boolean multisample) {
this.multisample = multisample;
this.clearBuffers = true;
st = new ShaderState();
st.setVerbose(true);
pmvMatrix = new PMVMatrix();
}
public void setClearBuffers(final boolean v) { clearBuffers = v; }
public void init(final GLAutoDrawable glad) {
final GL2ES2 gl = glad.getGL().getGL2ES2();
System.err.println();
System.err.println("req. msaa: "+multisample);
System.err.println("Requested: " + glad.getNativeSurface().getGraphicsConfiguration().getRequestedCapabilities());
multisample = multisample && glad.getChosenGLCapabilities().getNumSamples() > 0 ;
System.err.println("Chosen : " + glad.getChosenGLCapabilities());
System.err.println("has msaa: "+multisample);
System.err.println();
final ShaderCode vp0 = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, MultisampleDemoES2.class, "shader",
"shader/bin", "mgl_default_xxx", true);
final ShaderCode fp0 = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, MultisampleDemoES2.class, "shader",
"shader/bin", "mgl_default_xxx", true);
vp0.defaultShaderCustomization(gl, true, true);
fp0.defaultShaderCustomization(gl, true, true);
sp0 = new ShaderProgram();
sp0.add(gl, vp0, System.err);
sp0.add(gl, fp0, System.err);
st.attachShaderProgram(gl, sp0, true);
pmvMatrixUniform = new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf());
st.ownUniform(pmvMatrixUniform);
st.uniform(gl, pmvMatrixUniform);
// Using predef array names, see
// GLPointerFuncUtil.getPredefinedArrayIndexName(glArrayIndex);
immModeSink = ImmModeSink.createGLSL(40,
3, GL.GL_FLOAT, // vertex
4, GL.GL_FLOAT, // color
0, GL.GL_FLOAT, // normal
0, GL.GL_FLOAT, // texCoords
GL.GL_STATIC_DRAW, st);
final int numSteps = 20;
final double increment = Math.PI / numSteps;
final double radius = 1;
immModeSink.glBegin(GL.GL_LINES);
for (int i = numSteps - 1; i >= 0; i--) {
immModeSink.glVertex3f((float) (radius * Math.cos(i * increment)),
(float) (radius * Math.sin(i * increment)),
0f);
immModeSink.glColor4f( 1f, 1f, 1f, 1f );
immModeSink.glVertex3f((float) (-1.0 * radius * Math.cos(i * increment)),
(float) (-1.0 * radius * Math.sin(i * increment)),
0f);
immModeSink.glColor4f( 1f, 1f, 1f, 1f );
}
immModeSink.glEnd(gl, false);
st.useProgram(gl, false);
}
public void dispose(final GLAutoDrawable glad) {
final GL2ES2 gl = glad.getGL().getGL2ES2();
immModeSink.destroy(gl);
immModeSink = null;
st.destroy(gl);
}
public void display(final GLAutoDrawable glad) {
final GL2ES2 gl = glad.getGL().getGL2ES2();
if (multisample) {
gl.glEnable(GL.GL_MULTISAMPLE);
}
if( clearBuffers ) {
gl.glClearColor(0, 0, 0, 0);
// gl.glEnable(GL.GL_DEPTH_TEST);
// gl.glDepthFunc(GL.GL_LESS);
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
}
st.useProgram(gl, true);
immModeSink.draw(gl, true);
st.useProgram(gl, false);
}
// 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();
// pmvMatrix.glOrthof(-1.0f, 1.0f, -1.0f, 1.0f, -1.0f, 1.0f);
pmvMatrix.glOrthof(-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 10.0f);
pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
pmvMatrix.glLoadIdentity();
st.useProgram(gl, true);
st.uniform(gl, pmvMatrixUniform);
st.useProgram(gl, false);
}
public void displayChanged(final GLAutoDrawable drawable, final boolean modeChanged, final boolean deviceChanged) {
}
}