/* * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. * Copyright (c) 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: * * - Redistribution of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistribution 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. * * Neither the name of Sun Microsystems, Inc. or the names of * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * This software is provided "AS IS," without a warranty of any kind. ALL * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that this software is not designed or intended for use * in the design, construction, operation or maintenance of any nuclear * facility. * * Sun gratefully acknowledges that this software was originally authored * and developed by Kenneth Bradley Russell and Christopher John Kline. */ package com.jogamp.opengl.impl.windows.wgl; import javax.media.opengl.GLContext; import javax.media.opengl.GLDrawableFactory; import javax.media.opengl.GLProfile; import javax.media.nativewindow.AbstractGraphicsScreen; import com.jogamp.nativewindow.impl.ProxySurface; import com.jogamp.nativewindow.impl.windows.GDI; import javax.media.nativewindow.AbstractGraphicsDevice; import javax.media.nativewindow.NativeSurface; import javax.media.opengl.GLCapabilities; import javax.media.opengl.GLCapabilitiesImmutable; import javax.media.opengl.GLException; public class WindowsDummyWGLDrawable extends WindowsWGLDrawable { private static final int f_dim = 64; private long hwnd, hdc; protected WindowsDummyWGLDrawable(GLDrawableFactory factory, GLCapabilitiesImmutable caps, AbstractGraphicsScreen absScreen) { super(factory, new ProxySurface(WindowsWGLGraphicsConfigurationFactory.createDefaultGraphicsConfiguration(caps, absScreen)), true); hwnd = GDI.CreateDummyWindow(0, 0, f_dim, f_dim); if(0 == hwnd) { throw new GLException("Error hwnd 0, werr: "+GDI.GetLastError()); } // manual debug only - GDI.ShowWindow(hwnd, GDI.SW_SHOW); ProxySurface ns = (ProxySurface) getNativeSurface(); ns.setSize(f_dim, f_dim); if(NativeSurface.LOCK_SURFACE_NOT_READY >= lockSurface()) { throw new GLException("WindowsDummyWGLDrawable: surface not ready (lockSurface)"); } try { WindowsWGLGraphicsConfiguration config = (WindowsWGLGraphicsConfiguration)ns.getGraphicsConfiguration().getNativeGraphicsConfiguration(); config.updateGraphicsConfiguration(factory, ns, null); if (DEBUG) { System.err.println("!!! WindowsDummyWGLDrawable: "+config); } } catch (Throwable t) { destroyImpl(); throw new GLException(t); } finally { unlockSurface(); } } public static WindowsDummyWGLDrawable create(GLDrawableFactory factory, GLProfile glp, AbstractGraphicsScreen absScreen) { GLCapabilities caps = new GLCapabilities(glp); caps.setDepthBits(16); caps.setDoubleBuffered(true); caps.setOnscreen (true); return new WindowsDummyWGLDrawable(factory, caps, absScreen); } public int lockSurface() throws GLException { int res = NativeSurface.LOCK_SURFACE_NOT_READY; ProxySurface ns = (ProxySurface) getNativeSurface(); AbstractGraphicsDevice adevice = ns.getGraphicsConfiguration().getNativeGraphicsConfiguration().getScreen().getDevice(); adevice.lock(); try { res = ns.lockSurface(); if(NativeSurface.LOCK_SUCCESS == res) { if(0 == hdc) { hdc = GDI.GetDC(hwnd); ns.setSurfaceHandle(hdc); if(0 == hdc) { res = NativeSurface.LOCK_SURFACE_NOT_READY; ns.unlockSurface(); throw new GLException("Error hdc 0, werr: "+GDI.GetLastError()); // finally will unlock adevice } } } else { Throwable t = new Throwable("Error lock failed - res "+res+", hwnd "+toHexString(hwnd)+", hdc "+toHexString(hdc)); t.printStackTrace(); } } finally { if( NativeSurface.LOCK_SURFACE_NOT_READY == res ) { adevice.unlock(); } } return res; } public void unlockSurface() { ProxySurface ns = (ProxySurface) getNativeSurface(); ns.validateSurfaceLocked(); AbstractGraphicsDevice adevice = ns.getGraphicsConfiguration().getNativeGraphicsConfiguration().getScreen().getDevice(); try { if ( 0 != hdc && 0 != hwnd && ns.getSurfaceRecursionCount() == 0) { GDI.ReleaseDC(hwnd, hdc); hdc=0; ns.setSurfaceHandle(hdc); } surface.unlockSurface(); } finally { adevice.unlock(); } } public void setSize(int width, int height) { } public int getWidth() { return 1; } public int getHeight() { return 1; } public GLContext createContext(GLContext shareWith) { // FIXME: figure out how to hook back in the Java 2D / JOGL bridge return new WindowsWGLContext(this, shareWith); } protected void destroyImpl() { if (hdc != 0) { GDI.ReleaseDC(hwnd, hdc); hdc = 0; ProxySurface ns = (ProxySurface) getNativeSurface(); ns.setSurfaceHandle(hdc); } if (hwnd != 0) { GDI.ShowWindow(hwnd, GDI.SW_HIDE); GDI.DestroyDummyWindow(hwnd); hwnd = 0; } } }