Attachment 140976 Details for Bug 107442 – Simple reproducer

Simple reproducer

glxcontextarb-xlib.c (text/plain), 1.46 KB, created by Olivier Fourdan on 2018-08-06 12:28:59 UTC

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Creator: Olivier Fourdan

Created: 2018-08-06 12:28:59 UTC

Size: 1.46 KB

patch

obsolete

>/*
> $ gcc -g glxcontext-xlib.c -o glxcontext-xlib $(pkg-config --cflags --libs  x11) -lGL -lGLU
> */
>#include<stdio.h>
>#include<stdlib.h>
>#include<string.h>
>#include<X11/Xlib.h>
>#include<GL/gl.h>
>#include<GL/glx.h>
>#include<GL/glu.h>
>
>static int
>handleXError (Display * dpy, XErrorEvent * err)
>{
>    return 0;
>}
>
>
>int main(int argc, char *argv[])
>{
>    Display             *dpy;
>    Window               root;
>    GLint                att[] = { GLX_RGBA, GLX_DEPTH_SIZE, 24 };
>    XVisualInfo         *vi;
>    XSetWindowAttributes swa;
>    Window               win;
>    GLXContext           glc;
>    XEvent               xev;
>
>    dpy = XOpenDisplay(NULL);
>    if (!dpy)
>    {
>        fprintf(stderr, "Cannot open display\n");
>        exit(0); 
>    }
>
>    root = DefaultRootWindow(dpy);
>    vi = glXChooseVisual(dpy, 0, att);
>    if (!vi)
>    {
>        fprintf(stderr, "No visual found\n");
>        exit(0);
>    }
>
>    swa.colormap   = XCreateColormap(dpy, root, vi->visual, AllocNone);
>    win = XCreateWindow(dpy, root, 0, 0, 600, 600, 0, vi->depth, InputOutput, vi->visual, CWColormap, &swa);
>    XMapWindow(dpy, win);
>
>    XSetErrorHandler (handleXError);
>    glc = glXCreateContext(dpy, vi, NULL, GL_FALSE);
>    if (!glc)
>    {
>        printf("\n\tcannot create gl context\n\n");
>        exit(0);
>    }
>
>    glXIsDirect(dpy, glc);
>    glXDestroyContext(dpy, glc);
>
>    while(1) {
>        XNextEvent(dpy, &xev);
>    } /* while(1) */
>
>    XSync (dpy, 0);
>
>    XCloseDisplay(dpy);
>    exit(0);
>}

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Attachments on bug 107442: 140976

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