C++ (Cpp) apple_glx_drawable_create示例

示例#1

文件： apple_glx_surface.c 项目： curro/mesa

/* This returns a referenced object via resultptr. */
bool
apple_glx_surface_create(Display * dpy, int screen,
                         GLXDrawable drawable,
                         struct apple_glx_drawable ** resultptr)
{
   struct apple_glx_drawable *d;

   if (apple_glx_drawable_create(dpy, screen, drawable, &d, &callbacks))
      return true;

   /* apple_glx_drawable_create creates a locked and referenced object. */

   if (create_surface(dpy, screen, d)) {
      d->unlock(d);
      d->destroy(d);
      return true;
   }

   *resultptr = d;

   d->unlock(d);

   return false;
}

示例#2

文件： apple_glx_pbuffer.c 项目： alepharchives/bitrig-xenocara

/* Return true if an error occurred. */
bool
apple_glx_pbuffer_create(Display * dpy, GLXFBConfig config,
                         int width, int height, int *errorcode,
                         GLXPbuffer * result)
{
   struct apple_glx_drawable *d;
   struct apple_glx_pbuffer *pbuf = NULL;
   CGLError err;
   Window root;
   int screen;
   Pixmap xid;
   struct glx_config *modes = (struct glx_config *) config;

   root = DefaultRootWindow(dpy);
   screen = DefaultScreen(dpy);

   /*
    * This pixmap is only used for a persistent XID.
    * The XC-MISC extension cleans up XIDs and reuses them transparently,
    * so we need to retain a server-side reference.
    */
   xid = XCreatePixmap(dpy, root, (unsigned int) 1,
                       (unsigned int) 1, DefaultDepth(dpy, screen));

   if (None == xid) {
      *errorcode = BadAlloc;
      return true;
   }

   if (apple_glx_drawable_create(dpy, screen, xid, &d, &callbacks)) {
      *errorcode = BadAlloc;
      return true;
   }

   /* The lock is held in d from create onward. */
   pbuf = &d->types.pbuffer;

   pbuf->xid = xid;
   pbuf->width = width;
   pbuf->height = height;

   err = apple_cgl.create_pbuffer(width, height, GL_TEXTURE_RECTANGLE_EXT,
                                  (modes->alphaBits > 0) ? GL_RGBA : GL_RGB,
                                  0, &pbuf->buffer_obj);

   if (kCGLNoError != err) {
      d->unlock(d);
      d->destroy(d);
      *errorcode = BadMatch;
      return true;
   }

   pbuf->fbconfigID = modes->fbconfigID;

   pbuf->event_mask = 0;

   *result = pbuf->xid;

   d->unlock(d);

   return false;
}