/**
* Copyright 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.opengl.test.junit.jogl.demos.es2;
import java.nio.FloatBuffer;
import com.jogamp.opengl.JoglVersion;
import com.jogamp.opengl.util.GLArrayDataServer;
import com.jogamp.opengl.util.PMVMatrix;
import com.jogamp.opengl.util.TileRendererBase;
import com.jogamp.opengl.util.glsl.ShaderCode;
import com.jogamp.opengl.util.glsl.ShaderProgram;
import com.jogamp.opengl.util.glsl.ShaderState;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLBufferStorage;
import com.jogamp.opengl.GLEventListener;
import com.jogamp.opengl.GLUniformData;
import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
public class RedSquareMappedES2 implements GLEventListener, TileRendererBase.TileRendererListener {
private ShaderState st;
private PMVMatrix pmvMatrix;
private GLUniformData pmvMatrixUniform;
private GLArrayDataServer vertices ;
private GLArrayDataServer colors ;
private long t0;
private int swapInterval = 0;
private float aspect = 1.0f;
private boolean doRotate = true;
private boolean clearBuffers = true;
private TileRendererBase tileRendererInUse = null;
private boolean doRotateBeforePrinting;
public RedSquareMappedES2(final int swapInterval) {
this.swapInterval = swapInterval;
}
public RedSquareMappedES2() {
this.swapInterval = 1;
}
@Override
public void addTileRendererNotify(final TileRendererBase tr) {
tileRendererInUse = tr;
doRotateBeforePrinting = doRotate;
setDoRotation(false);
}
@Override
public void removeTileRendererNotify(final TileRendererBase tr) {
tileRendererInUse = null;
setDoRotation(doRotateBeforePrinting);
}
@Override
public void startTileRendering(final TileRendererBase tr) {
System.err.println("RedSquareES2.startTileRendering: "+tr);
}
@Override
public void endTileRendering(final TileRendererBase tr) {
System.err.println("RedSquareES2.endTileRendering: "+tr);
}
public void setAspect(final float aspect) { this.aspect = aspect; }
public void setDoRotation(final boolean rotate) { this.doRotate = rotate; }
public void setClearBuffers(final boolean v) { clearBuffers = v; }
@Override
public void init(final GLAutoDrawable glad) {
System.err.println(Thread.currentThread()+" RedSquareES2.init: tileRendererInUse "+tileRendererInUse);
final GL2ES2 gl = glad.getGL().getGL2ES2();
System.err.println("RedSquareES2 init on "+Thread.currentThread());
System.err.println("Chosen GLCapabilities: " + glad.getChosenGLCapabilities());
System.err.println("INIT GL IS: " + gl.getClass().getName());
System.err.println(JoglVersion.getGLStrings(gl, null, false).toString());
if( !gl.hasGLSL() ) {
System.err.println("No GLSL available, no rendering.");
return;
}
st = new ShaderState();
st.setVerbose(true);
final ShaderCode vp0 = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, this.getClass(), "shader",
"shader/bin", "RedSquareShader", true);
final ShaderCode fp0 = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, this.getClass(), "shader",
"shader/bin", "RedSquareShader", true);
vp0.defaultShaderCustomization(gl, true, true);
fp0.defaultShaderCustomization(gl, true, true);
final ShaderProgram sp0 = new ShaderProgram();
sp0.add(gl, vp0, System.err);
sp0.add(gl, fp0, System.err);
st.attachShaderProgram(gl, sp0, true);
// setup mgl_PMVMatrix
pmvMatrix = new PMVMatrix();
pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
pmvMatrix.glLoadIdentity();
pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
pmvMatrix.glLoadIdentity();
pmvMatrixUniform = new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf()); // P, Mv
st.ownUniform(pmvMatrixUniform);
st.uniform(gl, pmvMatrixUniform);
// Allocate Vertex Array
vertices = GLArrayDataServer.createGLSLMapped("mgl_Vertex", 3, GL.GL_FLOAT, false, 4, GL.GL_STATIC_DRAW);
{
final GLArrayDataServer ad = vertices;
final GLBufferStorage store = ad.mapStorage(gl, GL.GL_WRITE_ONLY);
{
final FloatBuffer fb = store.getMappedBuffer().asFloatBuffer();
fb.put(-2); fb.put( 2); fb.put( 0);
fb.put( 2); fb.put( 2); fb.put( 0);
fb.put(-2); fb.put(-2); fb.put( 0);
fb.put( 2); fb.put(-2); fb.put( 0);
}
ad.unmapStorage(gl);
}
vertices.seal(gl, true);
st.ownAttribute(vertices, true);
vertices.enableBuffer(gl, false);
// Allocate Color Array
colors = GLArrayDataServer.createGLSLMapped("mgl_Color", 4, GL.GL_FLOAT, false, 4, GL.GL_STATIC_DRAW);
{
final GLArrayDataServer ad = colors;
final GLBufferStorage store = ad.mapStorage(gl, GL.GL_WRITE_ONLY);
{
final FloatBuffer fb = store.getMappedBuffer().asFloatBuffer();
fb.put(1); fb.put(0); fb.put(0); fb.put(1);
fb.put(0); fb.put(0); fb.put(1); fb.put(1);
fb.put(1); fb.put(0); fb.put(0); fb.put(1);
fb.put(1); fb.put(0); fb.put(0); fb.put(1);
}
ad.unmapStorage(gl);
}
colors.seal(gl, true);
st.ownAttribute(colors, true);
colors.enableBuffer(gl, false);
// OpenGL Render Settings
gl.glEnable(GL.GL_DEPTH_TEST);
st.useProgram(gl, false);
t0 = System.currentTimeMillis();
System.err.println(Thread.currentThread()+" RedSquareES2.init FIN");
}
@Override
public void display(final GLAutoDrawable glad) {
final long t1 = System.currentTimeMillis();
final GL2ES2 gl = glad.getGL().getGL2ES2();
if( clearBuffers ) {
if( null != tileRendererInUse ) {
gl.glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
} else {
gl.glClearColor(0, 0, 0, 0);
}
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
}
if( !gl.hasGLSL() ) {
return;
}
st.useProgram(gl, true);
// One rotation every four seconds
pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
pmvMatrix.glLoadIdentity();
pmvMatrix.glTranslatef(0, 0, -10);
if(doRotate) {
final float ang = ((t1 - t0) * 360.0F) / 4000.0F;
pmvMatrix.glRotatef(ang, 0, 0, 1);
pmvMatrix.glRotatef(ang, 0, 1, 0);
}
st.uniform(gl, pmvMatrixUniform);
// Draw a square
vertices.enableBuffer(gl, true);
colors.enableBuffer(gl, true);
gl.glDrawArrays(GL.GL_TRIANGLE_STRIP, 0, 4);
vertices.enableBuffer(gl, false);
colors.enableBuffer(gl, false);
st.useProgram(gl, false);
}
@Override
public void reshape(final GLAutoDrawable glad, final int x, final int y, final int width, final int height) {
final GL2ES2 gl = glad.getGL().getGL2ES2();
gl.setSwapInterval(swapInterval);
reshapeImpl(gl, x, y, width, height, width, height);
}
@Override
public void reshapeTile(final TileRendererBase tr,
final int tileX, final int tileY, final int tileWidth, final int tileHeight,
final int imageWidth, final int imageHeight) {
final GL2ES2 gl = tr.getAttachedDrawable().getGL().getGL2ES2();
gl.setSwapInterval(0);
reshapeImpl(gl, tileX, tileY, tileWidth, tileHeight, imageWidth, imageHeight);
}
void reshapeImpl(final GL2ES2 gl, final int tileX, final int tileY, final int tileWidth, final int tileHeight, final int imageWidth, final int imageHeight) {
System.err.println(Thread.currentThread()+" RedSquareES2.reshape "+tileX+"/"+tileY+" "+tileWidth+"x"+tileHeight+" of "+imageWidth+"x"+imageHeight+", swapInterval "+swapInterval+", drawable 0x"+Long.toHexString(gl.getContext().getGLDrawable().getHandle())+", tileRendererInUse "+tileRendererInUse);
// Thread.dumpStack();
if( !gl.hasGLSL() ) {
return;
}
st.useProgram(gl, true);
// Set location in front of camera
pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
pmvMatrix.glLoadIdentity();
// compute projection parameters 'normal' perspective
final float fovy=45f;
final float aspect2 = ( (float) imageWidth / (float) imageHeight ) / aspect;
final float zNear=1f;
final float zFar=100f;
// compute projection parameters 'normal' frustum
final float top=(float)Math.tan(fovy*((float)Math.PI)/360.0f)*zNear;
final float bottom=-1.0f*top;
final float left=aspect2*bottom;
final float right=aspect2*top;
final float w = right - left;
final float h = top - bottom;
// compute projection parameters 'tiled'
final float l = left + tileX * w / imageWidth;
final float r = l + tileWidth * w / imageWidth;
final float b = bottom + tileY * h / imageHeight;
final float t = b + tileHeight * h / imageHeight;
pmvMatrix.glFrustumf(l, r, b, t, zNear, zFar);
//pmvMatrix.glOrthof(-4.0f, 4.0f, -4.0f, 4.0f, 1.0f, 100.0f);
st.uniform(gl, pmvMatrixUniform);
st.useProgram(gl, false);
System.err.println(Thread.currentThread()+" RedSquareES2.reshape FIN");
}
@Override
public void dispose(final GLAutoDrawable glad) {
System.err.println(Thread.currentThread()+" RedSquareES2.dispose: tileRendererInUse "+tileRendererInUse);
final GL2ES2 gl = glad.getGL().getGL2ES2();
if( !gl.hasGLSL() ) {
return;
}
st.destroy(gl);
st = null;
pmvMatrix = null;
System.err.println(Thread.currentThread()+" RedSquareES2.dispose FIN");
}
}