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
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
|
/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#define QT_CLEAN_NAMESPACE // avoid clashes with Xmd.h
#include <qstringlist.h>
#include <qgl.h>
#include "glinfo.h"
#include <GL/glx.h>
#include <GL/gl.h>
#include <GL/glu.h>
#ifndef GLX_NONE_EXT
#define GLX_NONE_EXT 0x8000
#endif
typedef struct visualAttribs {
/* X visual attribs */
int id;
int c_class;
int depth;
int redMask, greenMask, blueMask;
int colormapSize;
int bitsPerRGB;
/* GL visual attribs */
int supportsGL;
int transparent;
int bufferSize;
int level;
int rgba;
int doubleBuffer;
int stereo;
int auxBuffers;
int redSize, greenSize, blueSize, alphaSize;
int depthSize;
int stencilSize;
int accumRedSize, accumGreenSize, accumBlueSize, accumAlphaSize;
int numSamples, numMultisample;
int visualCaveat;
} VisualAttribs;
static void screenInfo( Display *dpy, int scrnum, QString &infotext )
{
const char *serverVendor = glXQueryServerString( dpy, scrnum, GLX_VENDOR );
const char *serverVersion = glXQueryServerString( dpy, scrnum, GLX_VERSION );
const char *serverExtensions = glXQueryServerString( dpy, scrnum, GLX_EXTENSIONS );
const char *clientVendor = glXGetClientString( dpy, GLX_VENDOR );
const char *clientVersion = glXGetClientString( dpy, GLX_VERSION );
const char *clientExtensions = glXGetClientString( dpy, GLX_EXTENSIONS );
const char *glxExtensions = glXQueryExtensionsString( dpy, scrnum );
const char *glVendor = (const char *) glGetString( GL_VENDOR );
const char *glRenderer = (const char *) glGetString( GL_RENDERER );
const char *glVersion = (const char *) glGetString( GL_VERSION );
const char *glExtensions = (const char *) glGetString( GL_EXTENSIONS );
const char *gluVersion = (const char *) gluGetString( (GLenum) GLU_VERSION );
const char *gluExtensions = (const char *) gluGetString( (GLenum) GLU_EXTENSIONS );
infotext.sprintf( "%sServer GLX vendor string: %s\n", infotext.ascii(), serverVendor );
infotext.sprintf( "%sServer GLX version string: %s\n", infotext.ascii(), serverVersion );
infotext.sprintf( "%sServer GLX extensions:\n", infotext.ascii() );
infotext += QString( serverExtensions ).replace( ' ', '\n' ) + "\n\n";
infotext.sprintf( "%sClient GLX vendor string: %s\n", infotext.ascii(), clientVendor );
infotext.sprintf( "%sClient GLX version string: %s\n", infotext.ascii(), clientVersion );
infotext.sprintf( "%sClient GLX extensions:\n", infotext.ascii() );
infotext += QString( clientExtensions ).replace( ' ', '\n' ) + "\n\n";
infotext.sprintf( "%sGLX extensions:\n", infotext.ascii() );
infotext += QString( glxExtensions ).replace( ' ', '\n' ) + "\n\n";
infotext.sprintf( "%sOpenGL vendor string: %s\n", infotext.ascii(), glVendor );
infotext.sprintf( "%sOpenGL renderer string: %s\n", infotext.ascii(), glRenderer );
infotext.sprintf( "%sOpenGL version string: %s\n", infotext.ascii(), glVersion );
infotext.sprintf( "%sOpenGL extensions:\n", infotext.ascii() );
infotext += QString( glExtensions ).replace( ' ', '\n' ) + "\n\n";
infotext.sprintf( "%sGLU version: %s\n", infotext.ascii(), gluVersion );
infotext.sprintf( "%sGLU extensions:\n", infotext.ascii() );
infotext += QString( gluExtensions ).replace( ' ', '\n' ) + "\n\n";
}
static const char * visualClassName( int cls )
{
switch ( cls ) {
case StaticColor:
return "StaticColor";
case PseudoColor:
return "PseudoColor";
case StaticGray:
return "StaticGray";
case GrayScale:
return "GrayScale";
case TrueColor:
return "TrueColor";
case DirectColor:
return "DirectColor";
default:
return "";
}
}
static const char * caveatString( int caveat )
{
switch ( caveat ) {
#if defined(GLX_EXT_visual_rating)
case GLX_NONE_EXT:
return "None";
case GLX_SLOW_VISUAL_EXT:
return "Slow";
case GLX_NON_CONFORMANT_VISUAL_EXT:
return "Nonconformant";
#endif
default:
return "<none>";
}
}
static void visualAttribs( Display * dpy, XVisualInfo * vi, VisualAttribs * attribs )
{
memset( attribs, 0, sizeof( VisualAttribs ) );
attribs->id = vi->visualid;
attribs->c_class = vi->c_class;
attribs->depth = vi->depth;
attribs->redMask = vi->red_mask;
attribs->greenMask = vi->green_mask;
attribs->blueMask = vi->blue_mask;
attribs->colormapSize = vi->colormap_size;
attribs->bitsPerRGB = vi->bits_per_rgb;
if ( glXGetConfig( dpy, vi, GLX_USE_GL, &attribs->supportsGL ) != 0 )
return;
attribs->accumAlphaSize = 0;
glXGetConfig( dpy, vi, GLX_BUFFER_SIZE, &attribs->bufferSize );
glXGetConfig( dpy, vi, GLX_LEVEL, &attribs->level );
glXGetConfig( dpy, vi, GLX_RGBA, &attribs->rgba );
glXGetConfig( dpy, vi, GLX_DOUBLEBUFFER, &attribs->doubleBuffer );
glXGetConfig( dpy, vi, GLX_STEREO, &attribs->stereo );
glXGetConfig( dpy, vi, GLX_AUX_BUFFERS, &attribs->auxBuffers );
glXGetConfig( dpy, vi, GLX_RED_SIZE, &attribs->redSize );
glXGetConfig( dpy, vi, GLX_GREEN_SIZE, &attribs->greenSize );
glXGetConfig( dpy, vi, GLX_BLUE_SIZE, &attribs->blueSize );
glXGetConfig( dpy, vi, GLX_ALPHA_SIZE, &attribs->alphaSize );
glXGetConfig( dpy, vi, GLX_DEPTH_SIZE, &attribs->depthSize );
glXGetConfig( dpy, vi, GLX_STENCIL_SIZE, &attribs->stencilSize );
glXGetConfig( dpy, vi, GLX_ACCUM_RED_SIZE, &attribs->accumRedSize );
glXGetConfig( dpy, vi, GLX_ACCUM_GREEN_SIZE, &attribs->accumGreenSize );
glXGetConfig( dpy, vi, GLX_ACCUM_BLUE_SIZE, &attribs->accumBlueSize );
glXGetConfig( dpy, vi, GLX_ACCUM_ALPHA_SIZE, &attribs->accumAlphaSize );
attribs->transparent = 0; // transparent pixel missing
attribs->numSamples = 0; // multisample tests missing
attribs->numMultisample = 0;
#if defined(GLX_EXT_visual_rating)
const char *ext = glXQueryExtensionsString( dpy, vi->screen );
if ( ext && strstr( ext, "GLX_EXT_visual_rating" ) )
glXGetConfig(dpy, vi, GLX_VISUAL_CAVEAT_EXT, &attribs->visualCaveat);
else
attribs->visualCaveat = GLX_NONE_EXT;
#else
attribs->visualCaveat = 0;
#endif
}
static void visualInfo( Display *dpy, int scrnum, QString &configs )
{
QString str;
XVisualInfo *visuals, temp;
int numVisuals;
long mask;
int i;
/* get list of all visuals on this screen */
temp.screen = scrnum;
mask = VisualScreenMask;
visuals = XGetVisualInfo( dpy, mask, &temp, &numVisuals );
VisualAttribs attribs;
configs.append( "Vis Vis Visual Trans buff lev render DB ste r g b a aux dep ste accum buffers MS MS\n"
" ID Depth Type parent size el type reo sz sz sz sz buf th ncl r g b a num bufs Caveat\n"
"-----------------------------------------------------------------------------------------------------------\n" );
for ( i = 0; i < numVisuals; i++ ) {
visualAttribs( dpy, &visuals[i], &attribs );
str.sprintf( "0x%2x %2d %-12s %d %2d %d %-4s %d %d %d %d %d %d"
" %d %2d %d %2d %2d %2d %2d %d %d %s\n",
attribs.id,
attribs.depth,
visualClassName( attribs.c_class ),
attribs.transparent,
attribs.bufferSize,
attribs.level,
attribs.rgba ? "rgba" : "ci",
attribs.doubleBuffer,
attribs.stereo,
attribs.redSize,
attribs.greenSize,
attribs.blueSize,
attribs.alphaSize,
attribs.auxBuffers,
attribs.depthSize,
attribs.stencilSize,
attribs.accumRedSize,
attribs.accumGreenSize,
attribs.accumBlueSize,
attribs.accumAlphaSize,
attribs.numSamples,
attribs.numMultisample,
caveatString( attribs.visualCaveat ) );
configs.append( str );
}
XFree( visuals );
}
GLInfo::GLInfo()
{
QGLWidget gl((QWidget *) 0);
gl.makeCurrent();
Display *dpy;
char *displayName = 0;
int numScreens, scrNum;
dpy = gl.x11Display();
if ( !dpy ) {
tqWarning( "Error: unable to open display %s\n", displayName );
}
numScreens = ScreenCount( dpy );
infotext.sprintf( "Display name: %s\nDirect rendering: %s\n", DisplayString( dpy ),
gl.format().directRendering() ? "Yes" : "No" );
for ( scrNum = 0; scrNum < numScreens; scrNum++ ) {
screenInfo( dpy, scrNum, infotext );
visualInfo( dpy, scrNum, infotext );
if ( scrNum + 1 < numScreens )
infotext.append( "\n\n" );
}
}
QString GLInfo::info()
{
return infotext;
}
|
