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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.demos.es1;
import java.nio.FloatBuffer;
import com.jogamp.common.nio.Buffers;
import com.jogamp.opengl.test.junit.jogl.demos.PointsDemo;
import com.jogamp.opengl.util.GLArrayDataServer;
import com.jogamp.opengl.util.PMVMatrix;
import com.jogamp.opengl.util.glsl.fixedfunc.FixedFuncUtil;
import com.jogamp.opengl.util.glsl.fixedfunc.ShaderSelectionMode;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2ES1;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLPipelineFactory;
import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
import com.jogamp.opengl.fixedfunc.GLPointerFunc;
import com.jogamp.opengl.glu.GLU;
import com.jogamp.opengl.glu.gl2es1.GLUgl2es1;
public class PointsDemoES1 extends PointsDemo {
final static GLU glu = new GLUgl2es1();
private boolean debugFFPEmu = false;
private boolean verboseFFPEmu = false;
private boolean traceFFPEmu = false;
private boolean forceFFPEmu = false;
private boolean debug = false ;
private boolean trace = false ;
GLArrayDataServer vertices ;
float[] pointSizes ;
private int swapInterval = 0;
final int edge = 8; // 8*8
boolean smooth = false;
public PointsDemoES1(final int swapInterval) {
this.swapInterval = swapInterval;
}
public PointsDemoES1() {
this.swapInterval = 1;
}
public void setForceFFPEmu(final boolean forceFFPEmu, final boolean verboseFFPEmu, final boolean debugFFPEmu, final boolean traceFFPEmu) {
this.forceFFPEmu = forceFFPEmu;
this.verboseFFPEmu = verboseFFPEmu;
this.debugFFPEmu = debugFFPEmu;
this.traceFFPEmu = traceFFPEmu;
}
public void setSmoothPoints(final boolean v) { smooth = v; }
public void init(final GLAutoDrawable glad) {
GL _gl = glad.getGL();
if(debugFFPEmu) {
// Debug ..
_gl = _gl.getContext().setGL( GLPipelineFactory.create("com.jogamp.opengl.Debug", GL2ES2.class, _gl, null) );
debug = false;
}
if(traceFFPEmu) {
// Trace ..
_gl = _gl.getContext().setGL( GLPipelineFactory.create("com.jogamp.opengl.Trace", GL2ES2.class, _gl, new Object[] { System.err } ) );
trace = false;
}
GL2ES1 gl = FixedFuncUtil.wrapFixedFuncEmul(_gl, ShaderSelectionMode.AUTO, null, forceFFPEmu, verboseFFPEmu);
if(debug) {
try {
// Debug ..
gl = (GL2ES1) gl.getContext().setGL( GLPipelineFactory.create("com.jogamp.opengl.Debug", GL2ES1.class, gl, null) );
} catch (final Exception e) {e.printStackTrace();}
}
if(trace) {
try {
// Trace ..
gl = (GL2ES1) gl.getContext().setGL( GLPipelineFactory.create("com.jogamp.opengl.Trace", GL2ES1.class, gl, new Object[] { System.err } ) );
} catch (final Exception e) {e.printStackTrace();}
}
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));
System.err.println("GL Profile: "+gl.getGLProfile());
// Allocate Vertex Array
vertices = GLArrayDataServer.createFixed(GLPointerFunc.GL_VERTEX_ARRAY, 3, GL.GL_FLOAT, false, edge*edge, GL.GL_STATIC_DRAW);
pointSizes = new float[edge*edge];
for(int i=0; i<edge; i++) {
for(int j=0; j<edge; j++) {
final float x = -3+j*0.7f;
final float y = -3+i*0.7f;
final float p = Math.max(0.000001f, (i*edge+j)*0.5f); // no zero point size!
// System.err.println("["+j+"/"+i+"]: "+x+"/"+y+": "+p);
vertices.putf(x); vertices.putf(y); vertices.putf( 0);
pointSizes[(i*edge+j)] = p;
}
}
vertices.seal(gl, true);
vertices.enableBuffer(gl, false);
// OpenGL Render Settings
gl.glEnable(GL.GL_DEPTH_TEST);
}
public void setPointParams(final float minSize, final float maxSize, final float distAttenConst, final float distAttenLinear, final float distAttenQuadratic, final float fadeThreshold) {
pointMinSize = minSize;
pointMaxSize = maxSize;
pointFadeThreshold = fadeThreshold;
pointDistAtten.put(0, distAttenConst);
pointDistAtten.put(1, distAttenLinear);
pointDistAtten.put(2, distAttenQuadratic);
}
/** default values */
private float pointMinSize = 0.0f;
private float pointMaxSize = 4096.0f;
private float pointFadeThreshold = 1.0f;
private final FloatBuffer pointDistAtten = Buffers.newDirectFloatBuffer(new float[] { 1.0f, 0.0f, 0.0f });
public void display(final GLAutoDrawable glad) {
final GL2ES1 gl = glad.getGL().getGL2ES1();
gl.glClearColor(0f, 0f, 0f, 0f);
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
gl.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
gl.glLoadIdentity();
gl.glTranslatef(0, 0, -10);
gl.glColor4f(1.0f, 1.0f, 1.0f, 1.0f );
vertices.enableBuffer(gl, true);
gl.glEnable ( GL.GL_BLEND );
gl.glBlendFunc ( GL.GL_SRC_ALPHA, GL.GL_ONE );
if(smooth) {
gl.glEnable(GL2ES1.GL_POINT_SMOOTH);
} else {
gl.glDisable(GL2ES1.GL_POINT_SMOOTH);
}
gl.glPointParameterf(GL2ES1.GL_POINT_SIZE_MIN, pointMinSize );
gl.glPointParameterf(GL2ES1.GL_POINT_SIZE_MAX, pointMaxSize );
gl.glPointParameterf(GL.GL_POINT_FADE_THRESHOLD_SIZE, pointFadeThreshold);
gl.glPointParameterfv(GL2ES1.GL_POINT_DISTANCE_ATTENUATION, pointDistAtten );
for(int i=edge*edge-1; i>=0; i--) {
gl.glPointSize(pointSizes[i]);
gl.glDrawArrays(GL.GL_POINTS, i, 1);
}
vertices.enableBuffer(gl, false);
}
public void reshape(final GLAutoDrawable glad, final int x, final int y, final int width, final int height) {
// Thread.dumpStack();
final GL2ES1 gl = glad.getGL().getGL2ES1();
gl.setSwapInterval(swapInterval); // in case switching the drawable (impl. may bound attribute there)
// Set location in front of camera
gl.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
gl.glLoadIdentity();
glu.gluPerspective(45.0F, ( (float) width / (float) height ) / 1.0f, 1.0F, 100.0F);
//gl.glOrthof(-4.0f, 4.0f, -4.0f, 4.0f, 1.0f, 100.0f);
}
public void dispose(final GLAutoDrawable glad) {
final GL2ES1 gl = glad.getGL().getGL2ES1();
vertices.destroy(gl);
vertices = null;
}
}