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package demos.es2;
import java.nio.*;
import javax.media.opengl.*;
import javax.media.opengl.glu.*;
import com.sun.opengl.util.*;
import com.sun.opengl.util.glsl.*;
import com.sun.javafx.newt.*;
import com.sun.javafx.newt.opengl.*;
public class RedSquare implements MouseListener, GLEventListener {
private GLWindow window;
private GLU glu;
private boolean quit = false;
private long startTime;
private long curTime;
public void mouseClicked(MouseEvent e) {
System.out.println("mouseevent: "+e);
switch(e.getClickCount()) {
case 1:
window.setFullscreen(!window.isFullscreen());
break;
default:
quit=true;
break;
}
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
public void mousePressed(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
}
public void mouseMoved(MouseEvent e) {
}
public void mouseDragged(MouseEvent e) {
}
private void run(int type) {
int width = 800;
int height = 480;
System.err.println("RedSquare.run()");
GLProfile.setProfileGL2ES2();
try {
GLCapabilities caps = new GLCapabilities();
// For emulation library, use 16 bpp
caps.setRedBits(5);
caps.setGreenBits(6);
caps.setBlueBits(5);
caps.setDepthBits(16);
Window nWindow = null;
if(0!=(type&USE_AWT)) {
Display nDisplay = NewtFactory.createDisplay(NewtFactory.AWT, null); // local display
Screen nScreen = NewtFactory.createScreen(NewtFactory.AWT, nDisplay, 0); // screen 0
nWindow = NewtFactory.createWindow(NewtFactory.AWT, nScreen, caps);
}
window = GLWindow.create(nWindow, caps);
window.addMouseListener(this);
window.addGLEventListener(this);
// window.setEventHandlerMode(GLWindow.EVENT_HANDLER_GL_CURRENT); // default
// window.setEventHandlerMode(GLWindow.EVENT_HANDLER_GL_NONE); // no current ..
// Size OpenGL to Video Surface
window.setSize(width, height);
window.setFullscreen(true);
window.setVisible(true);
startTime = System.currentTimeMillis();
while (!quit && ((curTime = System.currentTimeMillis()) - startTime) < 20000) {
window.display();
}
// Shut things down cooperatively
window.destroy();
window.getFactory().shutdown();
System.out.println("RedSquare shut down cleanly.");
} catch (Throwable t) {
t.printStackTrace();
}
}
ShaderState st;
PMVMatrix pmvMatrix;
private void initShader(GL2ES2 gl) {
int tmpI;
// Create & Compile the shader objects
ShaderCode rsVp = ShaderCode.create(gl, gl.GL_VERTEX_SHADER, 1, RedSquare.class,
"shader", "shader/bin", "redsquare");
ShaderCode rsFp = ShaderCode.create(gl, gl.GL_FRAGMENT_SHADER, 1, RedSquare.class,
"shader", "shader/bin", "redsquare");
// Create & Link the shader program
ShaderProgram sp = new ShaderProgram();
sp.add(rsVp);
sp.add(rsFp);
if(!sp.link(gl, System.err)) {
throw new GLException("Couldn't link program: "+sp);
}
// Let's manage all our states using ShaderState.
st = new ShaderState();
st.attachShaderProgram(gl, sp);
}
public void init(GLAutoDrawable drawable) {
GL2ES2 gl = drawable.getGL().getGL2ES2();
glu = GLU.createGLU();
System.err.println("Entering initialization");
System.err.println("GL_VERSION=" + gl.glGetString(gl.GL_VERSION));
System.err.println("GL_EXTENSIONS:");
System.err.println(" " + gl.glGetString(gl.GL_EXTENSIONS));
pmvMatrix = new PMVMatrix();
initShader(gl);
// Push the 1st uniform down the path
st.glUseProgram(gl, true);
pmvMatrix.glMatrixMode(pmvMatrix.GL_PROJECTION);
pmvMatrix.glLoadIdentity();
pmvMatrix.glMatrixMode(pmvMatrix.GL_MODELVIEW);
pmvMatrix.glLoadIdentity();
if(!st.glUniform(gl, new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf()))) {
throw new GLException("Error setting PMVMatrix in shader: "+st);
}
// Allocate vertex arrays
GLArrayDataClient vertices = GLArrayDataClient.createGLSL("mgl_Vertex", 3, gl.GL_FLOAT, false, 4);
{
// Fill them up
FloatBuffer verticeb = (FloatBuffer)vertices.getBuffer();
verticeb.put(-2); verticeb.put( 2); verticeb.put( 0);
verticeb.put( 2); verticeb.put( 2); verticeb.put( 0);
verticeb.put(-2); verticeb.put( -2); verticeb.put( 0);
verticeb.put( 2); verticeb.put( -2); verticeb.put( 0);
}
vertices.seal(gl, true);
GLArrayDataClient colors = GLArrayDataClient.createGLSL("mgl_Color", 4, gl.GL_FLOAT, false, 4);
{
// Fill them up
FloatBuffer colorb = (FloatBuffer)colors.getBuffer();
colorb.put( 1); colorb.put( 0); colorb.put( 0); colorb.put( 1);
colorb.put( 0); colorb.put( 0); colorb.put( 1); colorb.put( 1);
colorb.put( 1); colorb.put( 0); colorb.put( 0); colorb.put( 1);
colorb.put( 1); colorb.put( 0); colorb.put( 0); colorb.put( 1);
}
colors.seal(gl, true);
// OpenGL Render Settings
gl.glClearColor(0, 0, 0, 1);
gl.glEnable(GL2ES2.GL_DEPTH_TEST);
st.glUseProgram(gl, false);
// Let's show the completed shader state ..
System.out.println(st);
}
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
GL2ES2 gl = drawable.getGL().getGL2ES2();
st.glUseProgram(gl, true);
// Set location in front of camera
pmvMatrix.glMatrixMode(pmvMatrix.GL_PROJECTION);
pmvMatrix.glLoadIdentity();
pmvMatrix.gluPerspective(45.0f, (float)width / (float)height, 1.0f, 100.0f);
//pmvMatrix.glOrthof(-4.0f, 4.0f, -4.0f, 4.0f, 1.0f, 100.0f);
GLUniformData ud = st.getUniform("mgl_PMVMatrix");
if(null!=ud) {
// same data object
st.glUniform(gl, ud);
}
st.glUseProgram(gl, false);
}
public void dispose(GLAutoDrawable drawable) {
GL2ES2 gl = drawable.getGL().getGL2ES2();
st.destroy(gl);
st=null;
pmvMatrix.destroy();
pmvMatrix=null;
quit=true;
}
public void display(GLAutoDrawable drawable) {
GL2ES2 gl = drawable.getGL().getGL2ES2();
st.glUseProgram(gl, true);
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT);
// One rotation every four seconds
pmvMatrix.glMatrixMode(pmvMatrix.GL_MODELVIEW);
pmvMatrix.glLoadIdentity();
pmvMatrix.glTranslatef(0, 0, -10);
float ang = ((float) (curTime - startTime) * 360.0f) / 4000.0f;
pmvMatrix.glRotatef(ang, 0, 0, 1);
pmvMatrix.glRotatef(ang, 0, 1, 0);
GLUniformData ud = st.getUniform("mgl_PMVMatrix");
if(null!=ud) {
// same data object
st.glUniform(gl, ud);
}
// Draw a square
gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4);
st.glUseProgram(gl, false);
}
public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {
}
public static int USE_NEWT = 0;
public static int USE_AWT = 1 << 0;
public static void main(String[] args) {
int type = USE_NEWT ;
for(int i=args.length-1; i>=0; i--) {
if(args[i].equals("-awt")) {
type |= USE_AWT;
}
}
new RedSquare().run(type);
System.exit(0);
}
}
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