Attachment 95167 Details for Bug 75797 – Test case

Test case

test.c (text/plain), 3.67 KB, created by Giovanni Campagna on 2014-03-05 14:22:55 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Giovanni Campagna

Created: 2014-03-05 14:22:55 UTC

Size: 3.67 KB

patch

obsolete

>#include <stdlib.h>
>#include <string.h>
>#include <stdio.h>
>#include <assert.h>
>#include <unistd.h>
>
>#include <X11/Xlib.h>
>#include <EGL/egl.h>
>#include <GL/gl.h>
>
>static XVisualInfo *
>get_visual_info (Display *xdisplay, EGLDisplay *edisplay, EGLConfig egl_config)
>{
>  XVisualInfo visinfo_template;
>  int template_mask = 0;
>  XVisualInfo *visinfo = NULL;
>  int visinfos_count;
>  EGLint visualid;
>
>  eglGetConfigAttrib(edisplay, egl_config,
>                     EGL_NATIVE_VISUAL_ID, &visualid);
>  assert(visualid != 0);
>
>  visinfo_template.visualid = visualid;
>  template_mask |= VisualIDMask;
>
>  visinfo = XGetVisualInfo(xdisplay,
>                           template_mask,
>                           &visinfo_template,
>                           &visinfos_count);
>
>  return visinfo;
>}
>
>int main(int argc, char **argv)
>{
>  Display *xdisplay;
>  EGLDisplay edisplay;
>  EGLint ver_major, ver_minor;
>  EGLint cfg_attributes[] = {
>    EGL_RED_SIZE, 1,
>    EGL_GREEN_SIZE, 1,
>    EGL_BLUE_SIZE, 1,
>    EGL_ALPHA_SIZE, EGL_DONT_CARE,
>    EGL_DEPTH_SIZE, 1,
>    EGL_BUFFER_SIZE, EGL_DONT_CARE,
>    EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
>    EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
>    EGL_NONE
>  };
>  EGLint context_attributes[] = {
>    EGL_NONE
>  };
>  EGLConfig config;
>  EGLContext context;
>  EGLint n_configs;
>  XVisualInfo *xvisual;
>  Window win1, win2;
>  EGLSurface surf1, surf2;
>  XSetWindowAttributes attrs;
>  XEvent xevent;
>  Atom xdelete, xprotocols;
>
>  xdisplay = XOpenDisplay(NULL);
>  edisplay = eglGetDisplay(xdisplay);
>  eglInitialize(edisplay, &ver_major, &ver_minor);
>
>  eglBindAPI(EGL_OPENGL_API);
>
>  n_configs = 0;
>  eglChooseConfig(edisplay, cfg_attributes,
>                  &config, 1, &n_configs);
>  assert(n_configs == 1);
>
>  context = eglCreateContext(edisplay, config, EGL_NO_CONTEXT,
>                             context_attributes);
>  assert(context != EGL_NO_CONTEXT);
>
>  xvisual = get_visual_info(xdisplay, edisplay, config);
>
>  attrs.override_redirect = True;
>  attrs.colormap = XCreateColormap(xdisplay, DefaultRootWindow(xdisplay),
>                                   xvisual->visual, AllocNone);
>  attrs.border_pixel = 0;
>
>  win1 = XCreateWindow(xdisplay, DefaultRootWindow(xdisplay),
>                       -100, -100, 1, 1, 0,
>                       xvisual->depth, InputOutput,
>                       xvisual->visual,
>                       CWOverrideRedirect|CWColormap|CWBorderPixel,
>                       &attrs);
>
>  surf1 = eglCreateWindowSurface(edisplay, config, (NativeWindowType)win1,
>                                 NULL);
>
>  eglMakeCurrent(edisplay, surf1, surf1, context);
>
>  attrs.background_pixel = WhitePixel(xdisplay, DefaultScreen(xdisplay));
>  attrs.border_pixel = 0;
>
>  win2 = XCreateWindow(xdisplay, DefaultRootWindow(xdisplay),
>                       0, 0, 640, 480, 0,
>                       xvisual->depth, InputOutput,
>                       xvisual->visual,
>                       CWBorderPixel|CWColormap|CWBackPixel,
>                       &attrs);
>  surf2 = eglCreateWindowSurface(edisplay, config, (NativeWindowType)win2,
>                                 NULL);
>
>  XFree(xvisual);
>
>  xdelete = XInternAtom(xdisplay, "WM_DELETE_WINDOW", False);
>  xprotocols = XInternAtom(xdisplay, "WM_PROTOCOLS", False);
>  XSetWMProtocols(xdisplay, win2, &xdelete, 1);
>
>  XMapWindow(xdisplay, win2);
>
>  eglMakeCurrent(edisplay, surf2, surf2, context);
>
>  glViewport(0, 0, 640, 480);
>  glClearColor(1, 0, 1, 1);
>  glClear(GL_COLOR_BUFFER_BIT);
>
>  eglSwapBuffers(edisplay, surf2);
>
>  for (;;) {
>    XNextEvent(xdisplay, &xevent);
>
>    if (xevent.type == ClientMessage &&
>        xevent.xclient.message_type == xprotocols &&
>        xevent.xclient.format == 32 &&
>        xevent.xclient.data.l[0] == xdelete)
>      return 0;
>  }
>}

Actions: View

Attachments on bug 75797: 95167 | 95275

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.