static cairo_surface_t *
_cairo_boilerplate_xcb_create_surface (const char		 *name,
				       cairo_content_t		  content,
				       double			  width,
				       double			  height,
				       double			  max_width,
				       double			  max_height,
				       cairo_boilerplate_mode_t	  mode,
				       int                        id,
				       void			**closure)
{
    xcb_screen_t *root;
    xcb_target_closure_t *xtc;
    xcb_connection_t *c;
    xcb_render_pictforminfo_t *render_format;
    xcb_pict_standard_t format;
    xcb_void_cookie_t cookie;
    cairo_surface_t *surface;
    cairo_status_t status;

    *closure = xtc = xmalloc (sizeof (xcb_target_closure_t));

    if (width == 0)
	width = 1;
    if (height == 0)
	height = 1;

    xtc->c = c = xcb_connect(NULL,NULL);
    if (xcb_connection_has_error(c)) {
	fprintf (stderr, "Failed to connect to X server through XCB\n");
	return NULL;
    }

    root = xcb_setup_roots_iterator(xcb_get_setup(c)).data;

    xtc->pixmap = xcb_generate_id (c);
    switch (content) {
    case CAIRO_CONTENT_COLOR:
	cookie = xcb_create_pixmap_checked (c, 24,
					    xtc->pixmap, root->root,
					    width, height);
	format = XCB_PICT_STANDARD_RGB_24;
	break;

    case CAIRO_CONTENT_COLOR_ALPHA:
	cookie = xcb_create_pixmap_checked (c, 32,
					    xtc->pixmap, root->root,
					    width, height);
	format = XCB_PICT_STANDARD_ARGB_32;
	break;

    case CAIRO_CONTENT_ALPHA:  /* would be XCB_PICT_STANDARD_A_8 */
    default:
	fprintf (stderr, "Invalid content for XCB test: %d\n", content);
	return NULL;
    }

    /* slow, but sure */
    if (xcb_request_check (c, cookie) != NULL) {
	xcb_disconnect (c);
	free (xtc);
	return NULL;
    }

    render_format = xcb_render_util_find_standard_format (xcb_render_util_query_formats (c), format);
    if (render_format->id == 0)
	return NULL;

    surface = cairo_xcb_surface_create_with_xrender_format (c, xtc->pixmap, root,
							    render_format,
							    width, height);

    status = cairo_surface_set_user_data (surface, &xcb_closure_key, xtc, NULL);
    if (status == CAIRO_STATUS_SUCCESS)
	return surface;

    cairo_surface_destroy (surface);
    surface = cairo_boilerplate_surface_create_in_error (status);

    _cairo_boilerplate_xcb_cleanup (xtc);

    return surface;
}
Exemplo n.º 2
0
static cairo_surface_t *
_cairo_boilerplate_xcb_create_render_0_0 (const char		    *name,
					  cairo_content_t	     content,
					  double		     width,
					  double		     height,
					  double		     max_width,
					  double		     max_height,
					  cairo_boilerplate_mode_t   mode,
					  int			     id,
					  void			   **closure)
{
    xcb_screen_t *root;
    xcb_target_closure_t *xtc;
    xcb_connection_t *c;
    xcb_render_pictforminfo_t *render_format;
    int depth;
    xcb_void_cookie_t cookie;
    cairo_surface_t *surface, *tmp;
    cairo_status_t status;
    void *formats;

    *closure = xtc = xmalloc (sizeof (xcb_target_closure_t));

    if (width == 0)
	width = 1;
    if (height == 0)
	height = 1;

    xtc->c = c = xcb_connect(NULL,NULL);
    if (xcb_connection_has_error(c)) {
	free (xtc);
	return NULL;
    }

    root = xcb_setup_roots_iterator(xcb_get_setup(c)).data;

    xtc->surface = NULL;
    xtc->is_pixmap = TRUE;
    xtc->drawable = xcb_generate_id (c);
    switch (content) {
    case CAIRO_CONTENT_COLOR:
	depth = 24;
	cookie = xcb_create_pixmap_checked (c, depth,
					    xtc->drawable, root->root,
					    width, height);
	break;

    case CAIRO_CONTENT_COLOR_ALPHA:
	depth = 32;
	cookie = xcb_create_pixmap_checked (c, depth,
					    xtc->drawable, root->root,
					    width, height);
	break;

    case CAIRO_CONTENT_ALPHA:  /* would be XCB_PICT_STANDARD_A_8 */
    default:
	xcb_disconnect (c);
	free (xtc);
	return NULL;
    }

    /* slow, but sure */
    if (xcb_request_check (c, cookie) != NULL) {
	xcb_disconnect (c);
	free (xtc);
	return NULL;
    }

    render_format = find_depth (c, depth, &formats);
    if (render_format == NULL) {
	xcb_disconnect (c);
	free (xtc);
	return NULL;
    }

    tmp = cairo_xcb_surface_create_with_xrender_format (c, root,
							xtc->drawable,
							render_format,
							width, height);
    if (cairo_surface_status (tmp)) {
	free (formats);
	xcb_disconnect (c);
	free (xtc);
	return tmp;
    }

    xtc->device = cairo_device_reference (cairo_surface_get_device (tmp));
    cairo_xcb_device_debug_cap_xrender_version (xtc->device, 0, 0);

    /* recreate with impaired connection */
    surface = cairo_xcb_surface_create_with_xrender_format (c, root,
							    xtc->drawable,
							    render_format,
							    width, height);
    free (formats);
    cairo_surface_destroy (tmp);

    assert (cairo_surface_get_device (surface) == xtc->device);

    status = cairo_surface_set_user_data (surface, &xcb_closure_key, xtc, NULL);
    if (status == CAIRO_STATUS_SUCCESS)
	return surface;

    cairo_surface_destroy (surface);

    _cairo_boilerplate_xcb_cleanup (xtc);
    return cairo_boilerplate_surface_create_in_error (status);
}
Exemplo n.º 3
0
static cairo_surface_t *
_cairo_boilerplate_xcb_create_fallback (const char		  *name,
					cairo_content_t 	   content,
					double			   width,
					double			   height,
					double			   max_width,
					double			   max_height,
					cairo_boilerplate_mode_t   mode,
					int			   id,
					void			 **closure)
{
    xcb_target_closure_t *xtc;
    xcb_connection_t *c;
    xcb_screen_t *s;
    xcb_void_cookie_t cookie;
    cairo_surface_t *tmp, *surface;
    cairo_status_t status;
    uint32_t values[] = { 1 };

    *closure = xtc = xmalloc (sizeof (xcb_target_closure_t));

    if (width == 0)
	width = 1;
    if (height == 0)
	height = 1;

    xtc->c = c = xcb_connect (NULL,NULL);
    if (xcb_connection_has_error(c)) {
	free (xtc);
	return NULL;
    }

    s = xcb_setup_roots_iterator (xcb_get_setup (c)).data;
    if (width > s->width_in_pixels || height > s->height_in_pixels) {
	xcb_disconnect (c);
	free (xtc);
	return NULL;
    }

    xtc->surface = NULL;
    xtc->is_pixmap = FALSE;
    xtc->drawable = xcb_generate_id (c);
    cookie = xcb_create_window_checked (c,
					s->root_depth,
					xtc->drawable,
					s->root,
					0, 0, width, height, 0,
					XCB_WINDOW_CLASS_INPUT_OUTPUT,
					s->root_visual,
					XCB_CW_OVERRIDE_REDIRECT,
					values);
    xcb_map_window (c, xtc->drawable);

    /* slow, but sure */
    if (xcb_request_check (c, cookie) != NULL) {
	xcb_disconnect (c);
	free (xtc);
	return NULL;
    }

    tmp = cairo_xcb_surface_create (c,
				    xtc->drawable,
				    lookup_visual (s, s->root_visual),
				    width, height);
    if (cairo_surface_status (tmp)) {
	xcb_disconnect (c);
	free (xtc);
	return tmp;
    }

    cairo_xcb_device_debug_cap_xrender_version (cairo_surface_get_device (tmp),
						-1, -1);
    /* recreate with impaired connection */
    surface = cairo_xcb_surface_create (c,
					xtc->drawable,
					lookup_visual (s, s->root_visual),
					width, height);
    cairo_surface_destroy (tmp);

    xtc->device = cairo_device_reference (cairo_surface_get_device (surface));
    status = cairo_surface_set_user_data (surface, &xcb_closure_key, xtc, NULL);
    if (status == CAIRO_STATUS_SUCCESS)
	return surface;

    cairo_surface_destroy (surface);

    _cairo_boilerplate_xcb_cleanup (xtc);
    return cairo_boilerplate_surface_create_in_error (status);
}
static cairo_surface_t *
_cairo_boilerplate_xcb_create_surface (const char		 *name,
				       cairo_content_t		  content,
				       double			  width,
				       double			  height,
				       double			  max_width,
				       double			  max_height,
				       cairo_boilerplate_mode_t   mode,
				       void			**closure)
{
    xcb_screen_t *root;
    xcb_target_closure_t *xtc;
    xcb_connection_t *c;
    xcb_render_query_pict_formats_cookie_t formats_cookie;
    xcb_render_pictforminfo_t *render_format;
    xcb_render_pictforminfo_iterator_t i;
    struct xcb_info *info;
    int depth;
    xcb_void_cookie_t cookie;
    cairo_surface_t *surface;
    cairo_status_t status;

    *closure = xtc = xmalloc (sizeof (xcb_target_closure_t));
    info = xcalloc (1, sizeof (struct xcb_info));

    if (width == 0)
	width = 1;
    if (height == 0)
	height = 1;

    xtc->c = c = xcb_connect(NULL,NULL);
    if (c == NULL || xcb_connection_has_error(c)) {
	free (xtc);
	return NULL;
    }

    root = xcb_setup_roots_iterator(xcb_get_setup(c)).data;
    formats_cookie = xcb_render_query_pict_formats (c);

    xtc->surface = NULL;
    xtc->is_pixmap = TRUE;
    xtc->drawable = xcb_generate_id (c);
    switch (content) {
    case CAIRO_CONTENT_COLOR:
	depth = 24;
	break;

    case CAIRO_CONTENT_COLOR_ALPHA:
	depth = 32;
	break;

    case CAIRO_CONTENT_ALPHA:  /* would be XCB_PICT_STANDARD_A_8 */
    default:
	xcb_disconnect (c);
	free (xtc);
	return NULL;
    }

    cookie = xcb_create_pixmap_checked (c, depth,
					xtc->drawable, root->root,
					width, height);

    /* slow, but sure */
    if (xcb_request_check (c, cookie) != NULL) {
	xcb_disconnect (c);
	free (xtc);
	return NULL;
    }

    info->formats = xcb_render_query_pict_formats_reply (c, formats_cookie, 0);
    if (info->formats == NULL)
	return NULL;

    for (i = xcb_render_query_pict_formats_formats_iterator (info->formats);
	 i.rem;
	 xcb_render_pictforminfo_next (&i))
    {
	if (XCB_RENDER_PICT_TYPE_DIRECT != i.data->type)
	    continue;

	if (i.data->depth == 32) {
		if (info->render_format[0] == 0)
			info->render_format[0] = i.data;
	} else if (i.data->depth == 24) {
		if (info->render_format[1] == 0)
			info->render_format[1] = i.data;
	} else if (i.data->depth == 8) {
		if (info->render_format[2] == 0)
			info->render_format[2] = i.data;
	}
    }

    assert (info->render_format[0]);
    assert (info->render_format[1]);
    assert (info->render_format[2]);

    switch (content) {
    default:
    case CAIRO_CONTENT_COLOR_ALPHA:
	    render_format = info->render_format[0];
	    break;

    case CAIRO_CONTENT_COLOR:
	    render_format = info->render_format[1];
	    break;

    case CAIRO_CONTENT_ALPHA:  /* would be XCB_PICT_STANDARD_A_8 */
	    render_format = info->render_format[2];
	    break;
    }

    surface = cairo_xcb_surface_create_with_xrender_format (c, root,
							    xtc->drawable,
							    render_format,
							    width, height);
    cairo_device_set_user_data (cairo_surface_get_device (surface), &key, info, free);
    if (mode != CAIRO_BOILERPLATE_MODE_PERF)
	_cairo_boilerplate_xcb_setup_test_surface(surface);

    xtc->device = cairo_device_reference (cairo_surface_get_device (surface));
    status = cairo_surface_set_user_data (surface, &xcb_closure_key, xtc, NULL);
    if (status == CAIRO_STATUS_SUCCESS)
	return surface;

    cairo_surface_destroy (surface);

    _cairo_boilerplate_xcb_cleanup (xtc);
    return cairo_boilerplate_surface_create_in_error (status);
}