diff options
Diffstat (limited to 'src/net/java/games/jogl/impl/macosx/MacOSXOnscreenGLContext.java')
| -rw-r--r-- | src/net/java/games/jogl/impl/macosx/MacOSXOnscreenGLContext.java | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/net/java/games/jogl/impl/macosx/MacOSXOnscreenGLContext.java b/src/net/java/games/jogl/impl/macosx/MacOSXOnscreenGLContext.java new file mode 100644 index 000000000..5b0df9052 --- /dev/null +++ b/src/net/java/games/jogl/impl/macosx/MacOSXOnscreenGLContext.java @@ -0,0 +1,262 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. 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 + * MIDROSYSTEMS, 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 net.java.games.jogl.impl.macosx; + +import java.awt.Component; +import java.util.*; + +import net.java.games.jogl.*; +import net.java.games.jogl.impl.*; + +public class MacOSXOnscreenGLContext extends MacOSXGLContext { + // Variables for lockSurface/unlockSurface + private JAWT_DrawingSurface ds; + private JAWT_DrawingSurfaceInfo dsi; + private JAWT_MacOSXDrawingSurfaceInfo macosxdsi; + private long nsView; // NSView + private Runnable myDeferredReshapeAction; + + public MacOSXOnscreenGLContext(Component component, GLCapabilities capabilities, GLCapabilitiesChooser chooser) { + super(component, capabilities, chooser); + } + + public synchronized void invokeGL(final Runnable runnable, boolean isReshape, Runnable initAction) throws GLException { + if (isReshape) { + myDeferredReshapeAction = new Runnable() { + public void run() { + CGL.updateContext(nsView, nsContext); + runnable.run(); + } + }; + } else { + if (myDeferredReshapeAction != null) { + super.invokeGL(myDeferredReshapeAction, true, initAction); + myDeferredReshapeAction = null; + } + super.invokeGL(runnable, isReshape, initAction); + } + } + + protected GL createGL() { + return new MacOSXGLImpl(this); + } + + protected boolean isOffscreen() { + return false; + } + + public int getOffscreenContextBufferedImageType() { + throw new GLException("Should not call this"); + } + + public int getOffscreenContextReadBuffer() { + throw new GLException("Should not call this"); + } + + public boolean offscreenImageNeedsVerticalFlip() { + throw new GLException("Should not call this"); + } + + public boolean canCreatePbufferContext() { + // For now say no + return false; + } + + public synchronized GLContext createPbufferContext(GLCapabilities capabilities, int initialWidth, int initialHeight) { + throw new GLException("Not supported"); + } + + public void bindPbufferToTexture() { + throw new GLException("Should not call this"); + } + + public void releasePbufferFromTexture() { + throw new GLException("Should not call this"); + } + + public synchronized void setRenderingThread(Thread currentThreadOrNull, Runnable initAction) { + this.willSetRenderingThread = false; + // FIXME: the JAWT in the Panther developer release + // requires all JAWT operations to be done on the AWT + // thread. This means that setRenderingThread won't work + // yet on this platform. This method can be deleted once + // the update for that release ships. + } + + protected void create() { + nsContext = CGL.createContext(nsView); + if (nsContext == 0) { + throw new GLException("Error creating nsContext"); + } + // FIXME + //choosePixelFormatAndCreateContext(true); + } + + protected synchronized boolean makeCurrent(Runnable initAction) throws GLException { + try { + if (!lockSurface()) { + return false; + } + + boolean created = false; + if (nsContext == 0) { + create(); + if (DEBUG) { + System.err.println("!!! Created GL nsContext for " + getClass().getName()); + } + created = true; + } + + if (!CGL.makeCurrentContext(nsView, nsContext)) { + throw new GLException("Error making nsContext current"); + } + + if (created) { + resetGLFunctionAvailability(); + if (initAction != null) { + initAction.run(); + } + } + return true; + } catch (RuntimeException e) { + try { + unlockSurface(); + } catch (Exception e2) { + // do nothing if unlockSurface throws + } + + throw(e); + } + } + + protected synchronized void free() throws GLException { + try { + if (!CGL.clearCurrentContext(nsView, nsContext)) { + throw new GLException("Error freeing OpenGL nsContext"); + } + } finally { + unlockSurface(); + } + } + + protected synchronized void swapBuffers() throws GLException { + if (!CGL.flushBuffer(nsView, nsContext)) { + throw new GLException("Error swapping buffers"); + } + } + + private boolean lockSurface() throws GLException { + if (nsView != 0) { + throw new GLException("Surface already locked"); + } + + ds = getJAWT().GetDrawingSurface(component); + if (ds == null) { + // Widget not yet realized + return false; + } + + int res = ds.Lock(); + if ((res & JAWTFactory.JAWT_LOCK_ERROR) != 0) { + throw new GLException("Unable to lock surface"); + } + + // See whether the surface changed and if so destroy the old + // OpenGL nsContext so it will be recreated + if ((res & JAWTFactory.JAWT_LOCK_SURFACE_CHANGED) != 0) { + if (nsContext != 0) { + if (!CGL.deleteContext(nsView, nsContext)) { + throw new GLException("Unable to delete old GL nsContext after surface changed"); + } + } + } + + dsi = ds.GetDrawingSurfaceInfo(); + if (dsi == null) { + ds.Unlock(); + getJAWT().FreeDrawingSurface(ds); + ds = null; + + // Widget not yet realized + return false; + } + + macosxdsi = (JAWT_MacOSXDrawingSurfaceInfo) dsi.platformInfo(); + if (macosxdsi == null) { + ds.FreeDrawingSurfaceInfo(dsi); + ds.Unlock(); + getJAWT().FreeDrawingSurface(ds); + ds = null; + dsi = null; + + // Widget not yet realized + return false; + } + + nsView = macosxdsi.cocoaViewRef(); + if (nsView == 0) { + ds.FreeDrawingSurfaceInfo(dsi); + ds.Unlock(); + getJAWT().FreeDrawingSurface(ds); + ds = null; + dsi = null; + macosxdsi = null; + + // Widget not yet realized + return false; + } + + return true; + } + + private void unlockSurface() throws GLException { + if (nsView == 0) { + throw new GLException("Surface already unlocked"); + } + + ds.FreeDrawingSurfaceInfo(dsi); + ds.Unlock(); + getJAWT().FreeDrawingSurface(ds); + ds = null; + dsi = null; + macosxdsi = null; + nsView = 0; + } +} |