1 files changed, 124 insertions, 0 deletions
diff --git a/src/jogl/classes/com/sun/opengl/impl/egl/EGLPbufferDrawable.java b/src/jogl/classes/com/sun/opengl/impl/egl/EGLPbufferDrawable.java
new file mode 100644
index 000000000..0ab1838b2
--- /dev/null
+++ b/src/jogl/classes/com/sun/opengl/impl/egl/EGLPbufferDrawable.java
@@ -0,0 +1,124 @@
+/*
+ * 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 com.sun.opengl.impl.egl;
+
+import javax.media.opengl.*;
+import javax.media.nativewindow.*;
+import javax.media.nativewindow.egl.*;
+import com.sun.opengl.impl.*;
+import com.sun.nativewindow.impl.NullWindow;
+
+import java.nio.LongBuffer;
+
+public class EGLPbufferDrawable extends EGLDrawable {
+    private int width, height;
+    private int texFormat;
+    protected static final boolean useTexture = false; // No yet ..
+
+    protected EGLPbufferDrawable(EGLDrawableFactory factory,
+                               GLCapabilities caps, 
+                               GLCapabilitiesChooser chooser,
+                               int width, int height) {
+        super(factory, new NullWindow(createEGLGraphicsConfiguration(caps, chooser)));
+        if (width <= 0 || height <= 0) {
+          throw new GLException("Width and height of pbuffer must be positive (were (" +
+                    width + ", " + height + "))");
+        }
+
+        // get choosen ones ..
+        caps = (GLCapabilities) getNativeWindow().getGraphicsConfiguration().getNativeGraphicsConfiguration().getChosenCapabilities();
+
+        this.width=width;
+        this.height=height;
+        if(useTexture) {
+            this.texFormat = caps.getAlphaBits() > 0 ? EGL.EGL_TEXTURE_RGBA : EGL.EGL_TEXTURE_RGB ;
+        } else {
+            this.texFormat = EGL.EGL_NO_TEXTURE;
+        }
+
+        NullWindow nw = (NullWindow) getNativeWindow();
+        nw.setSize(width, height);
+
+        ownEGLDisplay = true;
+
+        if (DEBUG) {
+          System.out.println("Pbuffer config: " + getNativeWindow().getGraphicsConfiguration().getNativeGraphicsConfiguration());
+        }
+    }
+
+    protected static EGLGraphicsConfiguration createEGLGraphicsConfiguration(GLCapabilities caps, GLCapabilitiesChooser chooser) {
+        long eglDisplay = EGL.eglGetDisplay(EGL.EGL_DEFAULT_DISPLAY);
+        if (eglDisplay == EGL.EGL_NO_DISPLAY) {
+            throw new GLException("Failed to created EGL default display: error 0x"+Integer.toHexString(EGL.eglGetError()));
+        } else if(DEBUG) {
+            System.err.println("eglDisplay(EGL_DEFAULT_DISPLAY): 0x"+Long.toHexString(eglDisplay));
+        }
+        if (!EGL.eglInitialize(eglDisplay, null, null)) {
+            throw new GLException("eglInitialize failed"+", error 0x"+Integer.toHexString(EGL.eglGetError()));
+        }
+        EGLGraphicsDevice e = new EGLGraphicsDevice(eglDisplay);
+        DefaultGraphicsScreen s = new DefaultGraphicsScreen(e, 0);
+        EGLGraphicsConfiguration eglConfig = EGLGraphicsConfigurationFactory.chooseGraphicsConfigurationStatic(caps, chooser, s, EGL.EGL_PBUFFER_BIT);
+        if (null == eglConfig) {
+            EGL.eglTerminate(eglDisplay);
+            throw new GLException("Couldn't create EGLGraphicsConfiguration from "+s);
+        } else if(DEBUG) {
+            System.err.println("Chosen eglConfig: "+eglConfig);
+        }
+        return eglConfig;
+    }
+
+    protected long createSurface(long eglDpy, _EGLConfig eglNativeCfg) {
+        int[] attrs = EGLGraphicsConfiguration.CreatePBufferSurfaceAttribList(width, height, texFormat);
+        long surf = EGL.eglCreatePbufferSurface(eglDpy, eglNativeCfg, attrs, 0);
+        if (EGL.EGL_NO_SURFACE==surf) {
+            throw new GLException("Creation of window surface (eglCreatePbufferSurface) failed, dim "+width+"x"+height+", error 0x"+Integer.toHexString(EGL.eglGetError()));
+        } else if(DEBUG) {
+            System.err.println("setSurface result: eglSurface 0x"+Long.toHexString(surf));
+        }
+        return surf;
+    }
+
+    public GLContext createContext(GLContext shareWith) {
+        return new EGLPbufferContext(this, shareWith);
+    }
+
+}
+