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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
* 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.x11;
import javax.media.opengl.*;
import com.sun.opengl.impl.*;
public class X11PbufferGLDrawable extends X11GLDrawable {
private int initWidth;
private int initHeight;
// drawable in superclass is a GLXPbuffer
private GLXFBConfig fbConfig;
private int width;
private int height;
protected static final int MAX_PFORMATS = 256;
protected static final int MAX_ATTRIBS = 256;
public X11PbufferGLDrawable(GLCapabilities capabilities, int initialWidth, int initialHeight) {
super(capabilities, null);
this.initWidth = initialWidth;
this.initHeight = initialHeight;
if (initWidth <= 0 || initHeight <= 0) {
throw new GLException("Initial width and height of pbuffer must be positive (were (" +
initWidth + ", " + initHeight + "))");
}
if (DEBUG) {
System.out.println("Pbuffer caps on init: " + capabilities +
(capabilities.getPbufferRenderToTexture() ? " [rtt]" : "") +
(capabilities.getPbufferRenderToTextureRectangle() ? " [rect]" : "") +
(capabilities.getPbufferFloatingPointBuffers() ? " [float]" : ""));
}
createPbuffer(X11GLDrawableFactory.getDisplayConnection());
}
public GLContext createContext(GLContext shareWith) {
return new X11PbufferGLContext(this, shareWith);
}
public void destroy() {
lockToolkit();
if (drawable != 0) {
GLX.glXDestroyPbuffer(display, drawable);
drawable = 0;
}
unlockToolkit();
display = 0;
}
public void setSize(int width, int height) {
// FIXME
throw new GLException("Not yet implemented");
}
public int getWidth() {
return width;
}
public int getHeight() {
return height;
}
public void createPbuffer(long display) {
lockToolkit();
try {
if (display == 0) {
throw new GLException("Null display");
}
if (capabilities.getPbufferRenderToTexture()) {
throw new GLException("Render-to-texture pbuffers not supported yet on X11");
}
if (capabilities.getPbufferRenderToTextureRectangle()) {
throw new GLException("Render-to-texture-rectangle pbuffers not supported yet on X11");
}
int screen = 0; // FIXME: provide way to specify this?
int[] iattributes = X11GLDrawableFactory.glCapabilities2AttribList(capabilities,
X11GLDrawableFactory.isMultisampleAvailable(),
true, display, screen);
int[] nelementsTmp = new int[1];
GLXFBConfig[] fbConfigs = GLX.glXChooseFBConfig(display, screen, iattributes, 0, nelementsTmp, 0);
if (fbConfigs == null || fbConfigs.length == 0 || fbConfigs[0] == null) {
throw new GLException("pbuffer creation error: glXChooseFBConfig() failed");
}
int nelements = nelementsTmp[0];
if (nelements <= 0) {
throw new GLException("pbuffer creation error: couldn't find a suitable frame buffer configuration");
}
// Note that we currently don't allow selection of anything but
// the first GLXFBConfig in the returned list
GLXFBConfig fbConfig = fbConfigs[0];
if (DEBUG) {
System.err.println("Found " + fbConfigs.length + " matching GLXFBConfigs");
System.err.println("Parameters of default one:");
System.err.println("render type: 0x" + Integer.toHexString(queryFBConfig(display, fbConfig, GLX.GLX_RENDER_TYPE)));
System.err.println("rgba: " + ((queryFBConfig(display, fbConfig, GLX.GLX_RENDER_TYPE) & GLX.GLX_RGBA_BIT) != 0));
System.err.println("r: " + queryFBConfig(display, fbConfig, GLX.GLX_RED_SIZE));
System.err.println("g: " + queryFBConfig(display, fbConfig, GLX.GLX_GREEN_SIZE));
System.err.println("b: " + queryFBConfig(display, fbConfig, GLX.GLX_BLUE_SIZE));
System.err.println("a: " + queryFBConfig(display, fbConfig, GLX.GLX_ALPHA_SIZE));
System.err.println("depth: " + queryFBConfig(display, fbConfig, GLX.GLX_DEPTH_SIZE));
System.err.println("double buffered: " + queryFBConfig(display, fbConfig, GLX.GLX_DOUBLEBUFFER));
}
// Create the p-buffer.
int niattribs = 0;
iattributes[niattribs++] = GLXExt.GLX_PBUFFER_WIDTH;
iattributes[niattribs++] = initWidth;
iattributes[niattribs++] = GLXExt.GLX_PBUFFER_HEIGHT;
iattributes[niattribs++] = initHeight;
iattributes[niattribs++] = 0;
long tmpBuffer = GLX.glXCreatePbuffer(display, fbConfig, iattributes, 0);
if (tmpBuffer == 0) {
// FIXME: query X error code for detail error message
throw new GLException("pbuffer creation error: glXCreatePbuffer() failed");
}
// Set up instance variables
this.display = display;
drawable = tmpBuffer;
this.fbConfig = fbConfig;
// Determine the actual width and height we were able to create.
int[] tmp = new int[1];
GLX.glXQueryDrawable(display, drawable, GLXExt.GLX_WIDTH, tmp, 0);
width = tmp[0];
GLX.glXQueryDrawable(display, drawable, GLXExt.GLX_HEIGHT, tmp, 0);
height = tmp[0];
if (DEBUG) {
System.err.println("Created pbuffer " + width + " x " + height);
}
} finally {
unlockToolkit();
}
}
public int getFloatingPointMode() {
// Floating-point pbuffers currently require NVidia hardware on X11
return GLPbuffer.NV_FLOAT;
}
public GLXFBConfig getFBConfig() {
return fbConfig;
}
private int queryFBConfig(long display, GLXFBConfig fbConfig, int attrib) {
int[] tmp = new int[1];
if (GLX.glXGetFBConfigAttrib(display, fbConfig, attrib, tmp, 0) != 0) {
throw new GLException("glXGetFBConfigAttrib failed");
}
return tmp[0];
}
}
|
