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SGI Developer Toolbox 6.1
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SGI Developer Toolbox 6.1 - Disc 1.iso
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toolbox
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src
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exampleCode
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opengl
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xlib
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glxvis.c
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C/C++ Source or Header
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1996-11-11
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4KB
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98 lines
/*
* Copyright (c) 1993-94, Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the name of Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED OF THE
* POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
*/
#include <GL/glx.h>
#include <stdio.h>
#include <stdlib.h>
static const char* ClassOf(int c)
{
switch (c) {
case StaticGray: return "StaticGray";
case GrayScale: return "GrayScale";
case StaticColor: return "StaticColor";
case PseudoColor: return "PseudoColor";
case TrueColor: return "TrueColor";
case DirectColor: return "DirectColor";
default: return "unknown";
}
}
static void DumpGLXProperties(Display *dpy, XVisualInfo *vi)
{
int bufferSize, level, rgba, doubleBuffer, stereo, auxBuffers,
redSize, greenSize, blueSize, alphaSize, depthSize, stencilSize,
accumRedSize, accumGreenSize, accumBlueSize, accumAlphaSize;
glXGetConfig(dpy, vi, GLX_BUFFER_SIZE, &bufferSize);
glXGetConfig(dpy, vi, GLX_LEVEL, &level);
glXGetConfig(dpy, vi, GLX_RGBA, &rgba);
glXGetConfig(dpy, vi, GLX_DOUBLEBUFFER, &doubleBuffer);
glXGetConfig(dpy, vi, GLX_STEREO, &stereo);
glXGetConfig(dpy, vi, GLX_AUX_BUFFERS, &auxBuffers);
glXGetConfig(dpy, vi, GLX_RED_SIZE, &redSize);
glXGetConfig(dpy, vi, GLX_GREEN_SIZE, &greenSize);
glXGetConfig(dpy, vi, GLX_BLUE_SIZE, &blueSize);
glXGetConfig(dpy, vi, GLX_ALPHA_SIZE, &alphaSize);
glXGetConfig(dpy, vi, GLX_DEPTH_SIZE, &depthSize);
glXGetConfig(dpy, vi, GLX_STENCIL_SIZE, &stencilSize);
glXGetConfig(dpy, vi, GLX_ACCUM_RED_SIZE, &accumRedSize);
glXGetConfig(dpy, vi, GLX_ACCUM_GREEN_SIZE, &accumGreenSize);
glXGetConfig(dpy, vi, GLX_ACCUM_BLUE_SIZE, &accumBlueSize);
glXGetConfig(dpy, vi, GLX_ACCUM_ALPHA_SIZE, &accumAlphaSize);
printf(" bufferSize=%d level=%d rgba=%d doubleBuffer=%d stereo=%d\n",
bufferSize, level, rgba, doubleBuffer, stereo);
printf(" rgba: redSize=%d greenSize=%d blueSize=%d alphaSize=%d\n",
redSize, greenSize, blueSize, alphaSize);
printf(" auxBuffers=%d depthSize=%d stencilSize=%d\n",
auxBuffers, depthSize, stencilSize);
printf(" accum: redSize=%d greenSize=%d blueSize=%d alphaSize=%d\n",
accumRedSize, accumGreenSize, accumBlueSize, accumAlphaSize);
}
int main()
{
XVisualInfo match, *vi;
Display *dpy;
int found;
dpy = XOpenDisplay(0);
if (!dpy) {
fprintf(stderr, "Can't connect to display \"%s\"\n", getenv("DISPLAY"));
return -1;
}
match.screen = DefaultScreen(dpy);
vi = XGetVisualInfo(dpy, VisualScreenMask, &match, &found);
while (--found >= 0) {
int value;
glXGetConfig(dpy, vi, GLX_USE_GL, &value);
if (value) {
printf("Visual ID: %x depth=%2d class=%s\n",
vi->visualid, vi->depth, ClassOf(vi->class));
DumpGLXProperties(dpy, vi);
}
vi++;
}
return 0;
}