1 /*
2 * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.java2d.opengl;
27
28 import java.awt.BufferCapabilities;
29 import static java.awt.BufferCapabilities.FlipContents.*;
30 import java.awt.Component;
31 import java.awt.GraphicsConfiguration;
32 import java.awt.image.ColorModel;
33
34 import sun.awt.AWTAccessor;
35 import sun.awt.AWTAccessor.ComponentAccessor;
36 import sun.awt.X11ComponentPeer;
37 import sun.awt.image.SunVolatileImage;
38 import sun.awt.image.VolatileSurfaceManager;
39 import sun.java2d.BackBufferCapsProvider;
40 import sun.java2d.SurfaceData;
41 import static sun.java2d.opengl.OGLContext.OGLContextCaps.*;
42 import sun.java2d.pipe.hw.ExtendedBufferCapabilities;
43 import static sun.java2d.pipe.hw.AccelSurface.*;
44 import static sun.java2d.pipe.hw.ExtendedBufferCapabilities.VSyncType.*;
45
46 public class GLXVolatileSurfaceManager extends VolatileSurfaceManager {
47
48 private final boolean accelerationEnabled;
49
50 public GLXVolatileSurfaceManager(SunVolatileImage vImg, Object context) {
51 super(vImg, context);
52
53 /*
54 * We will attempt to accelerate this image only under the
55 * following conditions:
56 * - the GraphicsConfig supports the FBO extension
57 */
58 GLXGraphicsConfig gc = (GLXGraphicsConfig)vImg.getGraphicsConfig();
59 accelerationEnabled = gc.isCapPresent(CAPS_EXT_FBOBJECT);
60 }
61
62 protected boolean isAccelerationEnabled() {
63 return accelerationEnabled;
64 }
65
66 /**
67 * Create a pbuffer-based SurfaceData object (or init the backbuffer
68 * of an existing window if this is a double buffered GraphicsConfig)
69 */
70 protected SurfaceData initAcceleratedSurface() {
71 SurfaceData sData;
72 Component comp = vImg.getComponent();
73 final ComponentAccessor acc = AWTAccessor.getComponentAccessor();
74 X11ComponentPeer peer = (comp != null) ? acc.getPeer(comp) : null;
75
76 try {
77 boolean createVSynced = false;
78 boolean forceback = false;
79 if (context instanceof Boolean) {
80 forceback = ((Boolean)context).booleanValue();
81 if (forceback && peer instanceof BackBufferCapsProvider) {
82 BackBufferCapsProvider provider =
83 (BackBufferCapsProvider)peer;
84 BufferCapabilities caps = provider.getBackBufferCaps();
85 if (caps instanceof ExtendedBufferCapabilities) {
86 ExtendedBufferCapabilities ebc =
87 (ExtendedBufferCapabilities)caps;
88 if (ebc.getVSync() == VSYNC_ON &&
89 ebc.getFlipContents() == COPIED)
90 {
91 createVSynced = true;
92 forceback = false;
93 }
94 }
95 }
96 }
97
98 if (forceback) {
99 // peer must be non-null in this case
100 sData = GLXSurfaceData.createData(peer, vImg, FLIP_BACKBUFFER);
101 } else {
102 GLXGraphicsConfig gc =
103 (GLXGraphicsConfig)vImg.getGraphicsConfig();
104 ColorModel cm = gc.getColorModel(vImg.getTransparency());
105 int type = vImg.getForcedAccelSurfaceType();
106 // if acceleration type is forced (type != UNDEFINED) then
107 // use the forced type, otherwise choose FBOBJECT
108 if (type == OGLSurfaceData.UNDEFINED) {
109 type = OGLSurfaceData.FBOBJECT;
110 }
111 if (createVSynced) {
112 sData = GLXSurfaceData.createData(peer, vImg, type);
113 } else {
114 sData = GLXSurfaceData.createData(gc,
115 vImg.getWidth(),
116 vImg.getHeight(),
117 cm, vImg, type);
118 }
119 }
120 } catch (NullPointerException ex) {
121 sData = null;
122 } catch (OutOfMemoryError er) {
123 sData = null;
124 }
125
126 return sData;
127 }
128
129 @Override
130 protected boolean isConfigValid(GraphicsConfiguration gc) {
131 return ((gc == null) || (gc == vImg.getGraphicsConfig()));
132 }
133
134 @Override
135 public void initContents() {
136 if (vImg.getForcedAccelSurfaceType() != OGLSurfaceData.TEXTURE) {
137 super.initContents();
138 }
139 }
140 }