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* Copyright 2013 JogAmp Community. All rights reserved.
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* 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
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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.
*
* 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.es2;
import com.jogamp.opengl.util.GLArrayDataServer;
import com.jogamp.opengl.util.glsl.ShaderCode;
import com.jogamp.opengl.util.glsl.ShaderProgram;
import com.jogamp.opengl.util.glsl.ShaderState;
import java.nio.FloatBuffer;
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;
/**
* LandscapeES2
*/
public class LandscapeES2 implements GLEventListener {
private int swapInterval = 0;
private boolean verbose = true;
static public final int TARGET_FPS = 120;
private long millisOffset;
private int frameCount;
private float frameRate;
private ShaderCode vertShader;
private ShaderCode fragShader;
private ShaderProgram shaderProg;
private ShaderState shaderState;
private float[] resolution;
private GLUniformData resolutionUni;
private GLUniformData timeUni;
private GLArrayDataServer vertices;
private int fcount = 0, lastm = 0;
private final int fint = 1;
public LandscapeES2(final int swapInterval) {
this.swapInterval = swapInterval;
}
public LandscapeES2() {
this.swapInterval = 1;
}
public void setVerbose(final boolean v) { verbose = v; }
public void init(final GLAutoDrawable drawable) {
System.err.println(Thread.currentThread()+" LandscapeES2.init ...");
final GL2ES2 gl = drawable.getGL().getGL2ES2();
if(verbose) {
System.err.println("LandscapeES2 init on "+Thread.currentThread());
System.err.println("Chosen GLCapabilities: " + drawable.getChosenGLCapabilities());
System.err.println("INIT GL IS: " + gl.getClass().getName());
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 GLSL: "+gl.hasGLSL()+", has-compiler-func: "+gl.isFunctionAvailable("glCompileShader")+", version "+(gl.hasGLSL() ? gl.glGetString(GL2ES2.GL_SHADING_LANGUAGE_VERSION) : "none")+", "+gl.getContext().getGLSLVersionNumber());
System.err.println("GL FBO: basic "+ gl.hasBasicFBOSupport()+", full "+gl.hasFullFBOSupport());
System.err.println("GL Profile: "+gl.getGLProfile());
System.err.println("GL Renderer Quirks:" + gl.getContext().getRendererQuirks().toString());
System.err.println("GL:" + gl + ", " + gl.getContext().getGLVersion());
}
vertShader = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, this.getClass(), "shader", "shader/bin", "landscape", true);
fragShader = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, this.getClass(), "shader", "shader/bin", "landscape", true);
vertShader.defaultShaderCustomization(gl, true, true);
fragShader.defaultShaderCustomization(gl, true, true);
shaderProg = new ShaderProgram();
shaderProg.add(gl, vertShader, System.err);
shaderProg.add(gl, fragShader, System.err);
shaderState = new ShaderState();
shaderState.attachShaderProgram(gl, shaderProg, true);
resolution = new float[] { drawable.getSurfaceWidth(), drawable.getSurfaceHeight(), 0};
resolutionUni = new GLUniformData("iResolution", 3, FloatBuffer.wrap(resolution));
shaderState.ownUniform(resolutionUni);
shaderState.uniform(gl, resolutionUni);
timeUni = new GLUniformData("iGlobalTime", 0.0f);
shaderState.ownUniform(timeUni);
vertices = GLArrayDataServer.createGLSL("inVertex", 2, GL.GL_FLOAT, false, 4, GL.GL_STATIC_DRAW);
vertices.putf(-1.0f); vertices.putf(-1.0f);
vertices.putf(+1.0f); vertices.putf(-1.0f);
vertices.putf(-1.0f); vertices.putf(+1.0f);
vertices.putf(+1.0f); vertices.putf(+1.0f);
vertices.seal(gl, true);
shaderState.ownAttribute(vertices, true);
shaderState.useProgram(gl, false);
millisOffset = System.currentTimeMillis();
System.err.println(Thread.currentThread()+" LandscapeES2.init FIN");
}
public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) {
System.err.println(Thread.currentThread()+" LandscapeES2.reshape "+x+"/"+y+" "+width+"x"+height+", swapInterval "+swapInterval+", drawable 0x"+Long.toHexString(drawable.getHandle()));
final GL2ES2 gl = drawable.getGL().getGL2ES2();
gl.setSwapInterval(swapInterval); // in case switching the drawable (impl. may bound attribute there)
shaderState.useProgram(gl, true);
resolution[0] = drawable.getSurfaceWidth();
resolution[1] = drawable.getSurfaceHeight();
shaderState.uniform(gl, resolutionUni);
shaderState.useProgram(gl, false);
}
public void dispose(final GLAutoDrawable drawable) {
System.err.println(Thread.currentThread()+" LandscapeES2.dispose ... ");
final GL2ES2 gl = drawable.getGL().getGL2ES2();
shaderState.useProgram(gl, false);
shaderState.destroy(gl);
shaderState = null;
System.err.println(Thread.currentThread()+" LandscapeES2.dispose FIN");
}
public void display(final GLAutoDrawable drawable) {
final GL2ES2 gl = drawable.getGL().getGL2ES2();
// Shader fills complete framebuffer regardless of DEPTH, no Clear required.
// gl.glClearColor(0.5f, 0.1f, 0.1f, 1);
// gl.glClear(GL.GL_COLOR_BUFFER_BIT);
shaderState.useProgram(gl, true);
timeUni.setData((System.currentTimeMillis() - millisOffset) / 1000.0f);
shaderState.uniform(gl, timeUni);
vertices.enableBuffer(gl, true);
gl.glDrawArrays(GL.GL_TRIANGLE_STRIP, 0, 4);
vertices.enableBuffer(gl, false);
shaderState.useProgram(gl, false);
// Compute current framerate and printout.
frameCount++;
fcount += 1;
final int m = (int) (System.currentTimeMillis() - millisOffset);
if (m - lastm > 1000 * fint) {
frameRate = (float)(fcount) / fint;
fcount = 0;
lastm = m;
}
if (frameCount % TARGET_FPS == 0) {
System.out.println("FrameCount: " + frameCount + " - " + "FrameRate: " + frameRate);
}
}
boolean confinedFixedCenter = false;
public void setConfinedFixedCenter(final boolean v) {
confinedFixedCenter = v;
}
}