diff options
Diffstat (limited to 'progs/samples/oglinfo.c')
| -rw-r--r-- | progs/samples/oglinfo.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/progs/samples/oglinfo.c b/progs/samples/oglinfo.c deleted file mode 100644 index 4fe51efb3c..0000000000 --- a/progs/samples/oglinfo.c +++ /dev/null @@ -1,218 +0,0 @@ -/* oglinfo.c */ - -/* This demo modified by BrianP to accomodate Mesa and test - * the GLX 1.1 functions. - */ - - - -#include <GL/gl.h> -#include <GL/glx.h> -#include <GL/glu.h> -#include <stdio.h> -#include <string.h> - -int visual_request0[] = { None }; /* don't need much of a visual */ -int visual_request1[] = { GLX_RGBA, None }; /* in case CI failed */ - -int main(int argc, char **argv) -{ - char *display_name = NULL; - char *string; - Display *dpy; - int screen_num; - int major, minor; - XVisualInfo *vis; - GLXContext ctx; - Window root, win; - Colormap cmap; - XSetWindowAttributes swa; - int dontcare; - - /* parse arguments */ - if(argc > 1) { - if(!strcmp(argv[1],"-display")) - display_name = argv[2]; - else { - fprintf(stderr, "Usage: %s [-display <display>]\n",argv[0]); - return 0; - } - } - - /* get display */ - if (!(dpy = XOpenDisplay(display_name))) { - fprintf(stderr,"Error: XOpenDisplay() failed.\n"); - return 1; - } - - /* does the server know about OpenGL & GLX? */ -#ifndef MESA - if(!XQueryExtension(dpy, "GLX", &dontcare, &dontcare, &dontcare)) { - fprintf(stderr,"This system doesn't appear to support OpenGL\n"); - return 1; - } -#else - (void) dontcare; -#endif - - /* find the glx version */ - if(glXQueryVersion(dpy, &major, &minor)) - printf("GLX Version: %d.%d\n", major, minor); - else { - fprintf(stderr, "Error: glXQueryVersion() failed.\n"); - return 1; - } - - /* get screen number */ - screen_num = DefaultScreen(dpy); - -/* This #ifdef isn't redundant. It keeps the build from breaking -** if you are building on a machine that has an old (1.0) version -** of glx. -** -** This program could still be *run* on a machine that has an old -** version of glx, even if it was *compiled* on a version that has -** a new version. -** -** If compiled on a system with an old version of glx, then it will -** never recognize glx extensions, since that code would have been -** #ifdef'ed out. -*/ -#ifdef GLX_VERSION_1_1 - - /* - ** This test guarantees that glx, on the display you are inquiring, - ** suppports glXQueryExtensionsString(). - */ - if(minor > 0 || major > 1) - string = (char *) glXQueryExtensionsString(dpy, screen_num); - else - string = ""; - - if(string) - printf("GLX Extensions (client & server): %s\n", - string); - else { - fprintf(stderr, "Error: glXQueryExtensionsString() failed.\n"); - return 1; - } - - if (minor>0 || major>1) { - printf("glXGetClientString(GLX_VENDOR): %s\n", glXGetClientString(dpy,GLX_VENDOR)); - printf("glXGetClientString(GLX_VERSION): %s\n", glXGetClientString(dpy,GLX_VERSION)); - printf("glXGetClientString(GLX_EXTENSIONS): %s\n", glXGetClientString(dpy,GLX_EXTENSIONS)); - printf("glXQueryServerString(GLX_VENDOR): %s\n", glXQueryServerString(dpy,screen_num,GLX_VENDOR)); - printf("glXQueryServerString(GLX_VERSION): %s\n", glXQueryServerString(dpy,screen_num,GLX_VERSION)); - printf("glXQueryServerString(GLX_EXTENSIONS): %s\n", glXQueryServerString(dpy,screen_num,GLX_EXTENSIONS)); - } - - -#endif - - /* get any valid OpenGL visual */ - if (!(vis = glXChooseVisual(dpy, screen_num, visual_request0))) { - if (!(vis = glXChooseVisual(dpy, screen_num, visual_request1))) { - fprintf(stderr,"Error: glXChooseVisual() failed.\n"); - return 1; - } - } - - /* get context */ - ctx = glXCreateContext(dpy,vis,0,GL_TRUE); - - /* root window */ - root = RootWindow(dpy,vis->screen); - - /* get RGBA colormap */ - cmap = XCreateColormap(dpy, root, vis->visual, AllocNone); - - /* get window */ - swa.colormap = cmap; - swa.border_pixel = 0; - swa.event_mask = StructureNotifyMask; - win = XCreateWindow(dpy, root, 0, 0, 1, 1, 0, vis->depth, - InputOutput,vis->visual, - CWBorderPixel|CWColormap|CWEventMask, - &swa); - - glXMakeCurrent(dpy,win,ctx); - - string = (char *) glGetString(GL_VERSION); - if(string) -#ifdef MESA - printf("Mesa Version: %s\n", string); -#else - printf("OpenGL Version: %s\n", string); -#endif - else { - fprintf(stderr, "Error: glGetString(GL_VERSION) failed.\n"); - return 1; - } - - string = (char *) glGetString(GL_EXTENSIONS); - - if(string) -#ifdef MESA - printf("Mesa Extensions: %s\n", string); -#else - printf("OpenGL Extensions: %s\n", string); -#endif - else { - fprintf(stderr, "Error: glGetString(GL_EXTENSIONS) failed.\n"); - return 1; - } - - string = (char *) glGetString(GL_RENDERER); - - if(string) -#ifdef MESA - printf("Mesa Renderer: %s\n", string); -#else - printf("OpenGL renderer: %s\n", string); -#endif - else { - fprintf(stderr, "Error: glGetString(GL_RENDERER) failed.\n"); - return 1; - } - -/* -** This #ifdef prevents a build failure if you compile on an a -** machine with an old GLU library. -** -** If you build on a pre GLU 1.1 machine, you will never be able -** to get glu info, even if you run on a GLU 1.1 or latter machine, -** since the code has been #ifdef'ed out. -*/ -#ifdef GLU_VERSION_1_1 - - /* - ** If the glx version is 1.1 or latter, gluGetString() is guaranteed - ** to exist. - */ - if(minor > 0 || major > 1) - string = (char *) gluGetString(GLU_VERSION); - else - string = "1.0"; - - if(string) - printf("GLU Version: %s\n", string); - else { - fprintf(stderr, "Error: gluGetString(GLU_VERSION) failed.\n"); - return 1; - } - - if(minor > 0 || major > 1) - string = (char *) gluGetString(GLU_EXTENSIONS); - else - string = ""; - - if(string) - printf("GLU Extensions: %s\n", string); - else { - fprintf(stderr, "Error: gluGetString(GLU_EXTENSIONS) failed.\n"); - return 1; - } - -#endif - return 0; -} |