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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
* Copyright (c) 2010 JogAmp Community. 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.jogamp.opengl.impl.windows.wgl;
import javax.media.opengl.GLContext;
import javax.media.opengl.GLDrawableFactory;
import javax.media.opengl.GLProfile;
import javax.media.nativewindow.AbstractGraphicsScreen;
import com.jogamp.nativewindow.impl.ProxySurface;
import com.jogamp.nativewindow.impl.windows.GDI;
import javax.media.nativewindow.AbstractGraphicsDevice;
import javax.media.nativewindow.NativeSurface;
import javax.media.opengl.GLCapabilities;
import javax.media.opengl.GLCapabilitiesImmutable;
import javax.media.opengl.GLException;
public class WindowsDummyWGLDrawable extends WindowsWGLDrawable {
private static final int f_dim = 64;
private long hwnd, hdc;
protected WindowsDummyWGLDrawable(GLDrawableFactory factory, GLCapabilitiesImmutable caps, AbstractGraphicsScreen absScreen) {
super(factory, new ProxySurface(WindowsWGLGraphicsConfigurationFactory.createDefaultGraphicsConfiguration(caps, absScreen)), true);
hwnd = GDI.CreateDummyWindow(0, 0, f_dim, f_dim);
if(0 == hwnd) {
throw new GLException("Error hwnd 0, werr: "+GDI.GetLastError());
}
// manual debug only - GDI.ShowWindow(hwnd, GDI.SW_SHOW);
ProxySurface ns = (ProxySurface) getNativeSurface();
ns.setSize(f_dim, f_dim);
if(NativeSurface.LOCK_SURFACE_NOT_READY >= lockSurface()) {
throw new GLException("WindowsDummyWGLDrawable: surface not ready (lockSurface)");
}
try {
WindowsWGLGraphicsConfiguration config = (WindowsWGLGraphicsConfiguration)ns.getGraphicsConfiguration().getNativeGraphicsConfiguration();
config.updateGraphicsConfiguration(factory, ns, null);
if (DEBUG) {
System.err.println("!!! WindowsDummyWGLDrawable: "+config);
}
} catch (Throwable t) {
destroyImpl();
throw new GLException(t);
} finally {
unlockSurface();
}
}
public static WindowsDummyWGLDrawable create(GLDrawableFactory factory, GLProfile glp, AbstractGraphicsScreen absScreen) {
GLCapabilities caps = new GLCapabilities(glp);
caps.setDepthBits(16);
caps.setDoubleBuffered(true);
caps.setOnscreen (true);
return new WindowsDummyWGLDrawable(factory, caps, absScreen);
}
public int lockSurface() throws GLException {
int res = NativeSurface.LOCK_SURFACE_NOT_READY;
ProxySurface ns = (ProxySurface) getNativeSurface();
AbstractGraphicsDevice adevice = ns.getGraphicsConfiguration().getNativeGraphicsConfiguration().getScreen().getDevice();
adevice.lock();
try {
res = ns.lockSurface();
if(NativeSurface.LOCK_SUCCESS == res) {
if(0 == hdc) {
hdc = GDI.GetDC(hwnd);
ns.setSurfaceHandle(hdc);
if(0 == hdc) {
res = NativeSurface.LOCK_SURFACE_NOT_READY;
ns.unlockSurface();
throw new GLException("Error hdc 0, werr: "+GDI.GetLastError());
// finally will unlock adevice
}
}
} else {
Throwable t = new Throwable("Error lock failed - res "+res+", hwnd "+toHexString(hwnd)+", hdc "+toHexString(hdc));
t.printStackTrace();
}
} finally {
if( NativeSurface.LOCK_SURFACE_NOT_READY == res ) {
adevice.unlock();
}
}
return res;
}
public void unlockSurface() {
ProxySurface ns = (ProxySurface) getNativeSurface();
ns.validateSurfaceLocked();
AbstractGraphicsDevice adevice = ns.getGraphicsConfiguration().getNativeGraphicsConfiguration().getScreen().getDevice();
try {
if ( 0 != hdc && 0 != hwnd && ns.getSurfaceRecursionCount() == 0) {
GDI.ReleaseDC(hwnd, hdc);
hdc=0;
ns.setSurfaceHandle(hdc);
}
surface.unlockSurface();
} finally {
adevice.unlock();
}
}
public void setSize(int width, int height) {
}
public int getWidth() {
return 1;
}
public int getHeight() {
return 1;
}
public GLContext createContext(GLContext shareWith) {
// FIXME: figure out how to hook back in the Java 2D / JOGL bridge
return new WindowsWGLContext(this, shareWith);
}
protected void destroyImpl() {
if (hdc != 0) {
GDI.ReleaseDC(hwnd, hdc);
hdc = 0;
ProxySurface ns = (ProxySurface) getNativeSurface();
ns.setSurfaceHandle(hdc);
}
if (hwnd != 0) {
GDI.ShowWindow(hwnd, GDI.SW_HIDE);
GDI.DestroyDummyWindow(hwnd);
hwnd = 0;
}
}
}
|
