4632N/A/*
4632N/A * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
4632N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4632N/A *
4632N/A * This code is free software; you can redistribute it and/or modify it
4632N/A * under the terms of the GNU General Public License version 2 only, as
4632N/A * published by the Free Software Foundation. Oracle designates this
4632N/A * particular file as subject to the "Classpath" exception as provided
4632N/A * by Oracle in the LICENSE file that accompanied this code.
4632N/A *
4632N/A * This code is distributed in the hope that it will be useful, but WITHOUT
4632N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4632N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
4632N/A * version 2 for more details (a copy is included in the LICENSE file that
4632N/A * accompanied this code).
4632N/A *
4632N/A * You should have received a copy of the GNU General Public License version
4632N/A * 2 along with this work; if not, write to the Free Software Foundation,
4632N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
4632N/A *
4632N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
4632N/A * or visit www.oracle.com if you need additional information or have any
4632N/A * questions.
4632N/A */
4632N/A
4632N/Apackage sun.java2d.opengl;
4632N/A
4632N/Aimport java.awt.BufferCapabilities;
4632N/Aimport static java.awt.BufferCapabilities.FlipContents.*;
4632N/Aimport java.awt.Component;
4632N/Aimport java.awt.GraphicsConfiguration;
4632N/Aimport java.awt.Transparency;
4632N/Aimport java.awt.image.ColorModel;
4632N/Aimport java.awt.peer.ComponentPeer;
4632N/A
4632N/Aimport sun.awt.image.SunVolatileImage;
4632N/Aimport sun.awt.image.VolatileSurfaceManager;
4632N/Aimport sun.java2d.BackBufferCapsProvider;
4632N/Aimport sun.java2d.SurfaceData;
4632N/Aimport static sun.java2d.opengl.OGLContext.OGLContextCaps.*;
4632N/Aimport sun.java2d.pipe.hw.ExtendedBufferCapabilities;
4632N/Aimport static sun.java2d.pipe.hw.AccelSurface.*;
4632N/Aimport static sun.java2d.pipe.hw.ExtendedBufferCapabilities.VSyncType.*;
4632N/A
4632N/Apublic class CGLVolatileSurfaceManager extends VolatileSurfaceManager {
4632N/A
4632N/A private boolean accelerationEnabled;
4632N/A
4632N/A public CGLVolatileSurfaceManager(SunVolatileImage vImg, Object context) {
4632N/A super(vImg, context);
4632N/A
4632N/A /*
4632N/A * We will attempt to accelerate this image only under the
4632N/A * following conditions:
4632N/A * - the image is opaque OR
4632N/A * - the image is translucent AND
4632N/A * - the GraphicsConfig supports the FBO extension OR
4632N/A * - the GraphicsConfig has a stored alpha channel
4632N/A */
4632N/A int transparency = vImg.getTransparency();
4632N/A CGLGraphicsConfig gc = (CGLGraphicsConfig)vImg.getGraphicsConfig();
4632N/A accelerationEnabled =
4632N/A (transparency == Transparency.OPAQUE) ||
4632N/A ((transparency == Transparency.TRANSLUCENT) &&
4632N/A (gc.isCapPresent(CAPS_EXT_FBOBJECT) ||
4632N/A gc.isCapPresent(CAPS_STORED_ALPHA)));
4632N/A }
4632N/A
4632N/A protected boolean isAccelerationEnabled() {
4632N/A return accelerationEnabled;
4632N/A }
4632N/A
4632N/A /**
4632N/A * Create a pbuffer-based SurfaceData object (or init the backbuffer
4632N/A * of an existing window if this is a double buffered GraphicsConfig)
4632N/A */
4632N/A protected SurfaceData initAcceleratedSurface() {
4632N/A SurfaceData sData = null;
4632N/A Component comp = vImg.getComponent();
4632N/A final ComponentPeer peer = (comp != null) ? comp.getPeer() : null;
4632N/A
4632N/A try {
4632N/A boolean createVSynced = false;
4632N/A boolean forceback = false;
4632N/A if (context instanceof Boolean) {
4632N/A forceback = ((Boolean)context).booleanValue();
4632N/A if (forceback && peer instanceof BackBufferCapsProvider) {
4632N/A BackBufferCapsProvider provider =
4632N/A (BackBufferCapsProvider)peer;
4632N/A BufferCapabilities caps = provider.getBackBufferCaps();
4632N/A if (caps instanceof ExtendedBufferCapabilities) {
4632N/A ExtendedBufferCapabilities ebc =
4632N/A (ExtendedBufferCapabilities)caps;
4632N/A if (ebc.getVSync() == VSYNC_ON &&
4632N/A ebc.getFlipContents() == COPIED)
4632N/A {
4632N/A createVSynced = true;
4632N/A forceback = false;
4632N/A }
4632N/A }
4632N/A }
4632N/A }
4632N/A
4632N/A if (forceback) {
4632N/A // peer must be non-null in this case
4632N/A // TODO: modify parameter to delegate
4632N/A // sData = CGLSurfaceData.createData(peer, vImg, FLIP_BACKBUFFER);
4632N/A } else {
4632N/A CGLGraphicsConfig gc =
4632N/A (CGLGraphicsConfig)vImg.getGraphicsConfig();
4632N/A ColorModel cm = gc.getColorModel(vImg.getTransparency());
4632N/A int type = vImg.getForcedAccelSurfaceType();
4632N/A // if acceleration type is forced (type != UNDEFINED) then
4632N/A // use the forced type, otherwise choose one based on caps
4632N/A if (type == OGLSurfaceData.UNDEFINED) {
4632N/A type = gc.isCapPresent(CAPS_EXT_FBOBJECT) ?
4632N/A OGLSurfaceData.FBOBJECT : OGLSurfaceData.PBUFFER;
4632N/A }
4632N/A if (createVSynced) {
4632N/A // TODO: modify parameter to delegate
4632N/A// sData = CGLSurfaceData.createData(peer, vImg, type);
4632N/A } else {
4632N/A sData = CGLSurfaceData.createData(gc,
4632N/A vImg.getWidth(),
4632N/A vImg.getHeight(),
4632N/A cm, vImg, type);
4632N/A }
4632N/A }
4632N/A } catch (NullPointerException ex) {
4632N/A sData = null;
4632N/A } catch (OutOfMemoryError er) {
4632N/A sData = null;
4632N/A }
4632N/A
4632N/A return sData;
4632N/A }
4632N/A
4632N/A @Override
4632N/A protected boolean isConfigValid(GraphicsConfiguration gc) {
4632N/A return ((gc == null) || (gc == vImg.getGraphicsConfig()));
4632N/A }
4632N/A
4632N/A @Override
4632N/A public void initContents() {
4632N/A if (vImg.getForcedAccelSurfaceType() != OGLSurfaceData.TEXTURE) {
4632N/A super.initContents();
4632N/A }
4632N/A }
4632N/A}
4632N/A