Attachment 30077 Details for Bug 24320 – reproduce bug for GLXWindow

reproduce bug for GLXWindow

test.c (text/plain), 2.21 KB, created by Andrey Tsyvarev on 2009-10-05 07:11:37 UTC

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Creator: Andrey Tsyvarev

Created: 2009-10-05 07:11:37 UTC

Size: 2.21 KB

patch

obsolete

>#include <assert.h>
>#include <stdio.h>
>#include <GL/glx.h>
>
>#define ATTRIBUTE GLX_HEIGHT
>
>//callback for the next function
>static Bool WaitForNotify(Display *d, XEvent *e, char *arg)
>{
>    return (e->type == MapNotify) && (e->xmap.window == *((Window*)arg));
>}
>// Create XWindow according to GLXConfig and wait for CreateNotify event.
>
>Window tglCreateXWindow(Display* dpy, GLXFBConfig config)
>{
>    XEvent event;
>    int height = 600;
>    int width = 800;
>    
>	XVisualInfo* vi = glXGetVisualFromFBConfig(dpy, config);
>    assert(vi != NULL);
>
>    XSetWindowAttributes swa;
>    swa.border_pixel = 0;
>    swa.event_mask = StructureNotifyMask;
>    swa.colormap = XCreateColormap( dpy, XRootWindow(dpy, vi->screen),
>                                    vi->visual, AllocNone );
>
>    int swaMask = CWBorderPixel | CWColormap | CWEventMask;
>
>    Window win = XCreateWindow( dpy, XRootWindow(dpy, vi->screen), 0, 0, width, height,
>                          0, vi->depth, InputOutput, vi->visual,
>                          swaMask, &swa );
>    XFree(vi);
>	assert(win != 0);
>    XMapWindow(dpy, win);
>    XIfEvent(dpy, &event, WaitForNotify, (char*)(&win));
>    
>    return win;
>}
>
>
>int main()
>{
>    Window win = 0;
>    GLXWindow glxWindow = 0;
>
>    Display* display = XOpenDisplay(NULL);
>    assert(display != NULL);
>
>    int attribs[] = {
>        GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
>        GLX_DOUBLEBUFFER, True,
>        GLX_RENDER_TYPE, GLX_RGBA_BIT,
>        GLX_RED_SIZE, 1,
>        GLX_GREEN_SIZE, 1,
>        GLX_BLUE_SIZE, 1,
>        None};
>    int nelems;
>    GLXFBConfig* configs = glXChooseFBConfig(display,
>        DefaultScreen(display), attribs, &nelems);
>	assert((configs != NULL) && (nelems != 0));
>
>	GLXFBConfig config = configs[0];
>	XFree(configs);
>	
>    win = tglCreateXWindow(display, config);
>    assert(win != 0);
>
>    glxWindow = glXCreateWindow(display, config, win, NULL);
>    assert(glxWindow != 0);
>
>    unsigned int value = -1;
>    glXQueryDrawable(display, glxWindow, ATTRIBUTE, &value);
>	printf("Value became %u.\n", value);
>	//cleanup
>	if(display)
>    {
>        if(glxWindow) glXDestroyWindow(display, glxWindow);
>        if(win) XDestroyWindow(display, win);
>        XCloseDisplay(display);
>    }
>	return 0;
>}

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Attachments on bug 24320: 30077 | 30141 | 30142

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