1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
* Copyright 2003-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package sun.java2d.opengl;
import java.awt.BufferCapabilities;
import static java.awt.BufferCapabilities.FlipContents.*;
import java.awt.Component;
import java.awt.GraphicsConfiguration;
import java.awt.Transparency;
import java.awt.image.ColorModel;
import sun.awt.X11ComponentPeer;
import sun.awt.image.SunVolatileImage;
import sun.awt.image.VolatileSurfaceManager;
import sun.java2d.BackBufferCapsProvider;
import sun.java2d.SurfaceData;
import static sun.java2d.opengl.OGLContext.OGLContextCaps.*;
import sun.java2d.pipe.hw.ExtendedBufferCapabilities;
import static sun.java2d.pipe.hw.AccelSurface.*;
import static sun.java2d.pipe.hw.ExtendedBufferCapabilities.VSyncType.*;
public class GLXVolatileSurfaceManager extends VolatileSurfaceManager {
private boolean accelerationEnabled;
public GLXVolatileSurfaceManager(SunVolatileImage vImg, Object context) {
super(vImg, context);
/*
* We will attempt to accelerate this image only under the
* following conditions:
* - the image is opaque OR
* - the image is translucent AND
* - the GraphicsConfig supports the FBO extension OR
* - the GraphicsConfig has a stored alpha channel
*/
int transparency = vImg.getTransparency();
GLXGraphicsConfig gc = (GLXGraphicsConfig)vImg.getGraphicsConfig();
accelerationEnabled =
(transparency == Transparency.OPAQUE) ||
((transparency == Transparency.TRANSLUCENT) &&
(gc.isCapPresent(CAPS_EXT_FBOBJECT) ||
gc.isCapPresent(CAPS_STORED_ALPHA)));
}
protected boolean isAccelerationEnabled() {
return accelerationEnabled;
}
/**
* Create a pbuffer-based SurfaceData object (or init the backbuffer
* of an existing window if this is a double buffered GraphicsConfig)
*/
protected SurfaceData initAcceleratedSurface() {
SurfaceData sData;
Component comp = vImg.getComponent();
X11ComponentPeer peer =
(comp != null) ? (X11ComponentPeer)comp.getPeer() : null;
try {
boolean createVSynced = false;
boolean forceback = false;
if (context instanceof Boolean) {
forceback = ((Boolean)context).booleanValue();
if (forceback && peer instanceof BackBufferCapsProvider) {
BackBufferCapsProvider provider =
(BackBufferCapsProvider)peer;
BufferCapabilities caps = provider.getBackBufferCaps();
if (caps instanceof ExtendedBufferCapabilities) {
ExtendedBufferCapabilities ebc =
(ExtendedBufferCapabilities)caps;
if (ebc.getVSync() == VSYNC_ON &&
ebc.getFlipContents() == COPIED)
{
createVSynced = true;
forceback = false;
}
}
}
}
if (forceback) {
// peer must be non-null in this case
sData = GLXSurfaceData.createData(peer, vImg, FLIP_BACKBUFFER);
} else {
GLXGraphicsConfig gc =
(GLXGraphicsConfig)vImg.getGraphicsConfig();
ColorModel cm = gc.getColorModel(vImg.getTransparency());
int type = vImg.getForcedAccelSurfaceType();
// if acceleration type is forced (type != UNDEFINED) then
// use the forced type, otherwise choose one based on caps
if (type == OGLSurfaceData.UNDEFINED) {
type = gc.isCapPresent(CAPS_EXT_FBOBJECT) ?
OGLSurfaceData.FBOBJECT : OGLSurfaceData.PBUFFER;
}
if (createVSynced) {
sData = GLXSurfaceData.createData(peer, vImg, type);
} else {
sData = GLXSurfaceData.createData(gc,
vImg.getWidth(),
vImg.getHeight(),
cm, vImg, type);
}
}
} catch (NullPointerException ex) {
sData = null;
} catch (OutOfMemoryError er) {
sData = null;
}
return sData;
}
@Override
protected boolean isConfigValid(GraphicsConfiguration gc) {
return ((gc == null) || (gc == vImg.getGraphicsConfig()));
}
@Override
public void initContents() {
if (vImg.getForcedAccelSurfaceType() != OGLSurfaceData.TEXTURE) {
super.initContents();
}
}
}
|
