repair

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JOGL_2_SANDBOX@1872 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 294 insertions, 0 deletions

diff --git a/src/jogl/classes/com/sun/opengl/impl/egl/EGLContext.java b/src/jogl/classes/com/sun/opengl/impl/egl/EGLContext.java
new file mode 100755
index 000000000..97ae63cd4
--- /dev/null
+++ b/src/jogl/classes/com/sun/opengl/impl/egl/EGLContext.java
@@ -0,0 +1,294 @@
+/*
+ * Copyright (c) 2008 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.
+ * 
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package com.sun.opengl.impl.egl;
+
+import javax.media.nwi.*;
+import javax.media.opengl.*;
+import com.sun.opengl.impl.*;
+import com.sun.gluegen.runtime.ProcAddressTable;
+import java.nio.*;
+import java.util.*;
+
+public class EGLContext extends GLContextImpl {
+    private EGLDrawable drawable;
+    private long context;
+    private boolean eglQueryStringInitialized;
+    private boolean eglQueryStringAvailable;
+    private EGLExt eglExt;
+    // Table that holds the addresses of the native C-language entry points for
+    // EGL extension functions.
+    private EGLExtProcAddressTable eglExtProcAddressTable;
+
+    public EGLContext(EGLDrawable drawable, GLContext shareWith) {
+        super(shareWith);
+        this.drawable = drawable;
+    }
+
+    public Object getPlatformGLExtensions() {
+      return getEGLExt();
+    }
+
+    public EGLExt getEGLExt() {
+      if (eglExt == null) {
+        eglExt = new EGLExtImpl(this);
+      }
+      return eglExt;
+    }
+
+    public final ProcAddressTable getPlatformExtProcAddressTable() {
+        return eglExtProcAddressTable;
+    }
+
+    public final EGLExtProcAddressTable getEGLExtProcAddressTable() {
+        return eglExtProcAddressTable;
+    }
+
+    public GLDrawable getGLDrawable() {
+        return drawable;
+    }
+
+    protected String mapToRealGLFunctionName(String glFunctionName) {
+        return glFunctionName;
+    }
+
+    protected String mapToRealGLExtensionName(String glExtensionName) {
+        return glExtensionName;
+    }
+
+    public long getContext() {
+        return context;
+    }
+
+    private int makeCurrentImplInner() throws GLException {
+        boolean created = false;
+        if (context == 0) {
+            create();
+            if (DEBUG) {
+                System.err.println(getThreadName() + ": !!! Created GL context 0x" +
+                                   Long.toHexString(context) + " for " + getClass().getName());
+            }
+            created = true;
+        }
+        if (EGL.eglGetCurrentContext() != context) {
+            if (!EGL.eglMakeCurrent(drawable.getDisplay(),
+                                    drawable.getSurface(),
+                                    drawable.getSurface(),
+                                    context)) {
+                throw new GLException("Error making context 0x" +
+                                      Long.toHexString(context) + " current: error code " + EGL.eglGetError());
+            }
+        }
+
+        if (created) {
+            resetGLFunctionAvailability();
+            return CONTEXT_CURRENT_NEW;
+        }
+        return CONTEXT_CURRENT;
+    }
+
+    protected int makeCurrentImpl() throws GLException {
+        if(EGL.EGL_NO_DISPLAY==drawable.getDisplay() ) {
+            System.err.println("drawable not properly initialized");
+            return CONTEXT_NOT_CURRENT;
+        }
+        drawable.setSurface();
+
+        int lockRes = NativeWindow.LOCK_SUCCESS;
+        // FIXME: freezes AWT: int lockRes = drawable.lockSurface();
+        boolean exceptionOccurred = false;
+        try {
+          if (lockRes == NativeWindow.LOCK_SURFACE_NOT_READY) {
+            return CONTEXT_NOT_CURRENT;
+          }
+          if (lockRes == NativeWindow.LOCK_SURFACE_CHANGED) {
+            destroyImpl();
+          }
+          return makeCurrentImplInner();
+        } catch (RuntimeException e) {
+          exceptionOccurred = true;
+          throw e;
+        } finally {
+          if (exceptionOccurred ||
+              (isOptimizable() && lockRes != NativeWindow.LOCK_SURFACE_NOT_READY)) {
+            drawable.unlockSurface();
+          }
+        }
+    }
+
+    protected void releaseImpl() throws GLException {
+      getDrawableImpl().getFactoryImpl().lockToolkit();
+      try {
+        if (!EGL.eglMakeCurrent(drawable.getDisplay(),
+                                EGL.EGL_NO_SURFACE,
+                                EGL.EGL_NO_SURFACE,
+                                EGL.EGL_NO_CONTEXT)) {
+            throw new GLException("Error freeing OpenGL context 0x" +
+                                  Long.toHexString(context) + ": error code " + EGL.eglGetError());
+        }
+      } finally {
+        getDrawableImpl().getFactoryImpl().unlockToolkit();
+        drawable.unlockSurface();
+      }
+    }
+
+    protected void destroyImpl() throws GLException {
+      getDrawableImpl().getFactoryImpl().lockToolkit();
+      try {
+        if (context != 0) {
+            if (!EGL.eglDestroyContext(drawable.getDisplay(), context)) {
+                throw new GLException("Error destroying OpenGL context 0x" +
+                                      Long.toHexString(context) + ": error code " + EGL.eglGetError());
+            }
+            context = 0;
+            GLContextShareSet.contextDestroyed(this);
+        }
+      } finally {
+        getDrawableImpl().getFactoryImpl().unlockToolkit();
+      }
+    }
+
+    protected void create() throws GLException {
+        long display = drawable.getDisplay();
+        _EGLConfig config = drawable.getEGLConfig().getNativeConfig();
+        long shareWith = EGL.EGL_NO_CONTEXT;
+
+        if (display == 0) {
+            throw new GLException("Error: attempted to create an OpenGL context without a display connection");
+        }
+        if (config == null) {
+            throw new GLException("Error: attempted to create an OpenGL context without a graphics configuration");
+        }
+        EGLContext other = (EGLContext) GLContextShareSet.getShareContext(this);
+        if (other != null) {
+            shareWith = other.getContext();
+            if (shareWith == 0) {
+                throw new GLException("GLContextShareSet returned an invalid OpenGL context");
+            }
+        }
+
+        int[] contextAttrs = new int[] {
+                EGL.EGL_CONTEXT_CLIENT_VERSION, -1,
+                EGL.EGL_NONE
+        };
+        if (GLProfile.isGLES2()) {
+            contextAttrs[1] = 2;
+        } else if (GLProfile.isGLES1()) {
+            contextAttrs[1] = 1;
+        } else {
+            throw new GLException("Error creating OpenGL context - invalid GLProfile");
+        }
+        context = EGL.eglCreateContext(display, config, shareWith, contextAttrs, 0);
+        if (context == 0) {
+            throw new GLException("Error creating OpenGL context");
+        }
+        GLContextShareSet.contextCreated(this);
+        if (DEBUG) {
+            System.err.println(getThreadName() + ": !!! Created OpenGL context 0x" +
+                               Long.toHexString(context) + " for " + this +
+                               ", surface 0x" + Long.toHexString(drawable.getSurface()) +
+                               ", sharing with 0x" + Long.toHexString(shareWith));
+        }
+    }
+
+    public boolean isCreated() {
+        return (context != 0);
+    }
+
+    protected void resetGLFunctionAvailability() {
+        super.resetGLFunctionAvailability();
+        if (DEBUG) {
+          System.err.println(getThreadName() + ": !!! Initializing EGL extension address table");
+        }
+        if (eglExtProcAddressTable == null) {
+          // FIXME: cache ProcAddressTables by capability bits so we can
+          // share them among contexts with the same capabilities
+          eglExtProcAddressTable = new EGLExtProcAddressTable();
+        }          
+        resetProcAddressTable(getEGLExtProcAddressTable());
+    }
+  
+    public synchronized String getPlatformExtensionsString() {
+        if (!eglQueryStringInitialized) {
+          eglQueryStringAvailable =
+            getDrawableImpl().getFactoryImpl().dynamicLookupFunction("eglQueryString") != 0;
+          eglQueryStringInitialized = true;
+        }
+        if (eglQueryStringAvailable) {
+          GLDrawableFactoryImpl factory = getDrawableImpl().getFactoryImpl();
+          factory.lockToolkit();
+          try {
+            String ret = EGL.eglQueryString(drawable.getNativeWindow().getDisplayHandle(), 
+                                            EGL.EGL_EXTENSIONS);
+            if (DEBUG) {
+              System.err.println("!!! EGL extensions: " + ret);
+            }
+            return ret;
+          } finally {
+            factory.unlockToolkit();
+          }
+        } else {
+          return "";
+        }
+    }
+
+    //----------------------------------------------------------------------
+    // Currently unimplemented stuff
+    //
+
+    public void copy(GLContext source, int mask) throws GLException {
+        throw new GLException("Not yet implemented");
+    }
+
+    public void bindPbufferToTexture() {
+        throw new GLException("Should not call this");
+    }
+
+    public void releasePbufferFromTexture() {
+        throw new GLException("Should not call this");
+    }
+
+    public ByteBuffer glAllocateMemoryNV(int arg0, float arg1, float arg2, float arg3) {
+        throw new GLException("Should not call this");
+    }
+
+    public boolean offscreenImageNeedsVerticalFlip() {
+        throw new GLException("Should not call this");
+    }
+
+    public int getOffscreenContextPixelDataType() {
+        throw new GLException("Should not call this");
+    }
+}