diff options
Diffstat (limited to 'src/net/java/games/jogl/impl/windows/WindowsGLContextFactory.java')
| -rw-r--r-- | src/net/java/games/jogl/impl/windows/WindowsGLContextFactory.java | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/src/net/java/games/jogl/impl/windows/WindowsGLContextFactory.java b/src/net/java/games/jogl/impl/windows/WindowsGLContextFactory.java deleted file mode 100644 index 112afd2e4..000000000 --- a/src/net/java/games/jogl/impl/windows/WindowsGLContextFactory.java +++ /dev/null @@ -1,245 +0,0 @@ -/* - * 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 - * 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 net.java.games.jogl.impl.windows; - -import java.awt.Component; -import java.awt.EventQueue; -import java.awt.GraphicsConfiguration; -import java.awt.GraphicsDevice; -import java.awt.Rectangle; -import java.io.File; -import java.lang.reflect.InvocationTargetException; -import java.security.AccessController; -import java.security.PrivilegedAction; -import java.util.ArrayList; -import java.util.List; -import net.java.games.jogl.*; -import net.java.games.jogl.impl.*; - -public class WindowsGLContextFactory extends GLContextFactory { - private static final boolean DEBUG = Debug.debug("WindowsGLContextFactory"); - private static final boolean VERBOSE = Debug.verbose(); - - static { - NativeLibLoader.load(); - } - - public WindowsGLContextFactory() { - AccessController.doPrivileged( new PrivilegedAction() { - public Object run() { - // Test for whether we should enable the single-threaded - // workaround for ATI cards. It appears that if we make any - // OpenGL context current on more than one thread on ATI cards - // on Windows then we see random failures like the inability - // to create more OpenGL contexts, or having just the next - // OpenGL SetPixelFormat operation fail with a GetNextError() - // code of 0 (but subsequent ones on subsequently-created - // windows succeed). These kinds of failures are obviously due - // to bugs in ATI's OpenGL drivers. Through trial and error it - // was found that specifying - // -DJOGL_SINGLE_THREADED_WORKAROUND=true on the command line - // caused these problems to completely disappear. Therefore at - // least on Windows we try to enable the single-threaded - // workaround before creating any OpenGL contexts. In the - // future, if problems are encountered on other platforms and - // -DJOGL_SINGLE_THREADED_WORKAROUND=true works around them, - // we may want to implement a workaround like this on other - // platforms. - - // The algorithm here is to try to find the system directory - // (assuming it is on the same drive as TMPDIR, exposed - // through the system property java.io.tmpdir) and see whether - // a known file in the ATI drivers is present; if it is, we - // enable the single-threaded workaround. - - // If any path down this code fails, we simply bail out -- we - // don't go to great lengths to figure out if the ATI drivers - // are present. We could add more checks here in the future if - // these appear to be insufficient. - - String tmpDirProp = System.getProperty("java.io.tmpdir"); - if (tmpDirProp != null) { - File file = new File(tmpDirProp); - if (file.isAbsolute()) { - File parent = null; - do { - parent = file.getParentFile(); - if (parent != null) { - file = parent; - } - } while (parent != null); - // Now the file contains just the drive letter - file = new File(new File(new File(file, "windows"), "system32"), "atioglxx.dll"); - if (file.exists()) { - SingleThreadedWorkaround.shouldDoWorkaround(); - } - } - } - - return( null ); - } - }); - } - - public GraphicsConfiguration chooseGraphicsConfiguration(GLCapabilities capabilities, - GLCapabilitiesChooser chooser, - GraphicsDevice device) { - return null; - } - - public GLDrawable getGLDrawable(Object target, - GLCapabilities capabilities, - GLCapabilitiesChooser chooser) { - if (target == null) { - throw new IllegalArgumentException("Null target"); - } - if (!(target instanceof Component)) { - throw new IllegalArgumentException("GLDrawables not supported for objects of type " + - target.getClass().getName() + " (only Components are supported in this implementation)"); - } - return new WindowsOnscreenGLDrawable((Component) target, capabilities, chooser); - } - - public GLDrawableImpl createOffscreenDrawable(GLCapabilities capabilities, - GLCapabilitiesChooser chooser) { - return new WindowsOffscreenGLDrawable(capabilities, chooser); - } - - private boolean pbufferSupportInitialized = false; - private boolean canCreateGLPbuffer = false; - public boolean canCreateGLPbuffer(GLCapabilities capabilities, - int initialWidth, - int initialHeight) { - if (!pbufferSupportInitialized) { - Runnable r = new Runnable() { - public void run() { - WindowsDummyGLDrawable dummyDrawable = new WindowsDummyGLDrawable(); - GLContext dummyContext = dummyDrawable.createContext(null); - if (dummyContext != null) { - GLContext lastContext = GLContext.getCurrent(); - if (lastContext != null) { - lastContext.release(); - } - dummyContext.makeCurrent(); - GL dummyGL = dummyContext.getGL(); - canCreateGLPbuffer = dummyGL.isExtensionAvailable("GL_ARB_pbuffer"); - pbufferSupportInitialized = true; - dummyContext.release(); - dummyContext.destroy(); - dummyDrawable.destroy(); - if (lastContext != null) { - lastContext.makeCurrent(); - } - } - } - }; - maybeDoSingleThreadedWorkaround(r); - } - return canCreateGLPbuffer; - } - - public GLPbuffer createGLPbuffer(final GLCapabilities capabilities, - final int initialWidth, - final int initialHeight, - final GLContext shareWith) { - if (!canCreateGLPbuffer(capabilities, initialWidth, initialHeight)) { - throw new GLException("Pbuffer support not available with current graphics card"); - } - final List returnList = new ArrayList(); - Runnable r = new Runnable() { - public void run() { - WindowsDummyGLDrawable dummyDrawable = new WindowsDummyGLDrawable(); - GLContext dummyContext = dummyDrawable.createContext(null); - GLContext lastContext = GLContext.getCurrent(); - if (lastContext != null) { - lastContext.release(); - } - dummyContext.makeCurrent(); - GL dummyGL = dummyContext.getGL(); - try { - WindowsPbufferGLDrawable pbufferDrawable = new WindowsPbufferGLDrawable(capabilities, - initialWidth, - initialHeight, - dummyDrawable, - dummyGL); - GLPbufferImpl pbuffer = new GLPbufferImpl(pbufferDrawable, shareWith); - returnList.add(pbuffer); - dummyContext.release(); - dummyContext.destroy(); - dummyDrawable.destroy(); - } finally { - if (lastContext != null) { - lastContext.makeCurrent(); - } - } - } - }; - maybeDoSingleThreadedWorkaround(r); - return (GLPbuffer) returnList.get(0); - } - - static String wglGetLastError() { - int err = WGL.GetLastError(); - String detail = null; - switch (err) { - case WGL.ERROR_INVALID_PIXEL_FORMAT: detail = "ERROR_INVALID_PIXEL_FORMAT"; break; - case WGL.ERROR_NO_SYSTEM_RESOURCES: detail = "ERROR_NO_SYSTEM_RESOURCES"; break; - case WGL.ERROR_INVALID_DATA: detail = "ERROR_INVALID_DATA"; break; - case WGL.ERROR_PROC_NOT_FOUND: detail = "ERROR_PROC_NOT_FOUND"; break; - case WGL.ERROR_INVALID_WINDOW_HANDLE:detail = "ERROR_INVALID_WINDOW_HANDLE"; break; - default: detail = "(Unknown error code " + err + ")"; break; - } - return detail; - } - - private void maybeDoSingleThreadedWorkaround(Runnable action) { - if (SingleThreadedWorkaround.doWorkaround() && !EventQueue.isDispatchThread()) { - try { - EventQueue.invokeAndWait(action); - } catch (InvocationTargetException e) { - throw new GLException(e.getTargetException()); - } catch (InterruptedException e) { - throw new GLException(e); - } - } else { - action.run(); - } - } -} |