processing/java/libraries/glw/src/processing/glw/PNEWT.java at master · GoToLoop/processing · GitHub

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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */

Part of the Processing project - http://processing.org

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General

Public License along with this library; if not, write to the

Free Software Foundation, Inc., 59 Temple Place, Suite 330,

Boston, MA 02111-1307 USA

package processing.glw;

import javax.media.opengl.GLAutoDrawable;

import javax.media.opengl.GLCapabilities;

import javax.media.opengl.GLDrawableFactory;

import javax.media.opengl.GLEventListener;

import javax.media.opengl.GLException;

import javax.media.opengl.GLProfile;

import com.jogamp.newt.opengl.GLWindow;

import com.jogamp.newt.event.WindowAdapter;

import com.jogamp.newt.event.WindowEvent;

import processing.core.PApplet;

import processing.core.PGraphics;

import processing.opengl.PGL;

import processing.opengl.PGraphicsOpenGL;

import processing.opengl.PJOGL;

import processing.opengl.Texture;

public class PNEWT extends PJOGL {

static {

WINDOW_TOOLKIT = NEWT;

EVENTS_TOOLKIT = NEWT;

USE_FBOLAYER_BY_DEFAULT = false;

USE_JOGL_FBOLAYER = false;

}

protected static GLCapabilities sharedCaps;

protected static GLAutoDrawable sharedDrawable;

public PNEWT(PGraphicsOpenGL pg) {

super(pg);

}

protected void initSurface(int antialias) {

if (!(pg instanceof PGraphicsGLW)) {

throw new RuntimeException("GLW.RENDERER is the only option in size() when using the GLW library.");

}

if (profile == null) {

if (PROFILE == 2) {

try {

profile = GLProfile.getGL2ES1();

} catch (GLException ex) {

profile = GLProfile.getMaxFixedFunc(true);

}

} else if (PROFILE == 3) {

try {

profile = GLProfile.getGL2GL3();

} catch (GLException ex) {

profile = GLProfile.getMaxProgrammable(true);

}

if (!profile.isGL3()) {

PGraphics.showWarning("Requested profile GL3 but is not available, got: " + profile);

}

} else if (PROFILE == 4) {

try {

profile = GLProfile.getGL4ES3();

} catch (GLException ex) {

profile = GLProfile.getMaxProgrammable(true);

}

if (!profile.isGL4()) {

PGraphics.showWarning("Requested profile GL4 but is not available, got: " + profile);

}

} else throw new RuntimeException(UNSUPPORTED_GLPROF_ERROR);

if (2 < PROFILE) {

texVertShaderSource = convertVertexSource(texVertShaderSource, 120, 150);

tex2DFragShaderSource = convertFragmentSource(tex2DFragShaderSource, 120, 150);

texRectFragShaderSource = convertFragmentSource(texRectFragShaderSource, 120, 150);

}

// Setting up the desired capabilities;

sharedCaps = new GLCapabilities(profile);

sharedCaps.setAlphaBits(REQUESTED_ALPHA_BITS);

sharedCaps.setDepthBits(REQUESTED_DEPTH_BITS);

sharedCaps.setStencilBits(REQUESTED_STENCIL_BITS);

sharedCaps.setPBuffer(false);

sharedCaps.setFBO(false);

sharedCaps.setSampleBuffers(false);

fboLayerRequested = false;

sharedDrawable = GLDrawableFactory.getFactory(profile).createDummyAutoDrawable(null, true, sharedCaps, null);

sharedDrawable.display(); // triggers GLContext object creation and native realization.

DummyListener listener = new DummyListener();

sharedDrawable.addGLEventListener(listener);

pg.parent.frame.setVisible(false);

}

protected boolean displayable() {

return false;

}

protected void beginDraw(boolean clear0) {

}

protected void endDraw(boolean clear0) {

}

protected void requestDraw() {

createWindows();

// Calling display() so the main draw() method is triggered, where the

// offscreen GLW canvases can be updated.

sharedDrawable.display();

displayWindows();

}

private void createWindows() {

for (PGraphics pg: GLW.windows.keySet()) {

GLWindow win = GLW.windows.get(pg);

if (win == null) {

win = GLWindow.create(sharedCaps);

win.setSharedAutoDrawable(sharedDrawable);

win.setSize(pg.width, pg.height);

win.setTitle("TEST");

win.setVisible(true);

GLW.windows.put(pg, win);

NEWTListener listener = new NEWTListener(pg);

win.addGLEventListener(listener);

NEWTMouseListener mouseListener = new NEWTMouseListener();

win.addMouseListener(mouseListener);

NEWTKeyListener keyListener = new NEWTKeyListener();

win.addKeyListener(keyListener);

NEWTWindowListener winListener = new NEWTWindowListener();

win.addWindowListener(winListener);

win.addWindowListener(new WindowAdapter() {

@Override

public void windowDestroyNotify(final WindowEvent e) {

}

});

}

static private void displayWindows() {

int totalCount = 0;

int realizedCount = 0;

for (GLWindow win: GLW.windows.values()) {

if (win != null) {

totalCount++;

if (win.isRealized()) realizedCount++;

win.display();

}

if (0 < totalCount && realizedCount == 0) {

// All windows where closed, exit the application

sharedDrawable.destroy();

System.exit(0);

}

protected class DummyListener implements GLEventListener {

public DummyListener() {

}

@Override

public void display(GLAutoDrawable glDrawable) {

getGL(glDrawable);

pg.parent.handleDraw();

}

@Override

public void dispose(GLAutoDrawable adrawable) {

}

@Override

public void init(GLAutoDrawable glDrawable) {

getGL(glDrawable);

capabilities = glDrawable.getChosenGLCapabilities();

if (!hasFBOs()) {

throw new RuntimeException(MISSING_FBO_ERROR);

}

if (!hasShaders()) {

throw new RuntimeException(MISSING_GLSL_ERROR);

}

if (USE_JOGL_FBOLAYER && capabilities.isFBO()) {

int maxs = maxSamples();

numSamples = PApplet.min(capabilities.getNumSamples(), maxs);

}

@Override

public void reshape(GLAutoDrawable glDrawable, int x, int y, int w, int h) {

}

protected class NEWTListener implements GLEventListener {

PGraphicsOpenGL pg;

PNEWT pgl;

public NEWTListener(PGraphics pg) {

this.pg = (PGraphicsOpenGL)pg;

pgl = (PNEWT)this.pg.pgl;

}

@Override

public void display(GLAutoDrawable glDrawable) {

pgl.getGL(glDrawable);

Texture tex = pg.getTexture(false);

if (tex != null) {

pgl.disable(PGL.BLEND);

pgl.drawTexture(tex.glTarget, tex.glName,

tex.glWidth, tex.glHeight,

0, 0, pg.width, pg.height);

pgl.enable(PGL.BLEND);

}

@Override

public void dispose(GLAutoDrawable adrawable) {

}

@Override

public void init(GLAutoDrawable glDrawable) {

}

@Override

public void reshape(GLAutoDrawable glDrawable, int x, int y, int w, int h) {

}

processing/java/libraries/glw/src/processing/glw/PNEWT.java at master · GoToLoop/processing · GitHub

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