static xcb_render_pictforminfo_t * find_depth (xcb_connection_t *connection, int depth, void **formats_out) { xcb_render_query_pict_formats_reply_t *formats; xcb_render_query_pict_formats_cookie_t cookie; xcb_render_pictforminfo_iterator_t i; cookie = xcb_render_query_pict_formats (connection); xcb_flush (connection); formats = xcb_render_query_pict_formats_reply (connection, cookie, 0); if (formats == NULL) return NULL; for (i = xcb_render_query_pict_formats_formats_iterator (formats); i.rem; xcb_render_pictforminfo_next (&i)) { if (XCB_RENDER_PICT_TYPE_DIRECT != i.data->type) continue; if (depth != i.data->depth) continue; *formats_out = formats; return i.data; } free (formats); return NULL; }
xcb_render_standard_pictforminfoa_8_t, xcb_render_standard_pictforminfoa_4_t, xcb_render_standard_pictforminfoa_1_t, xcb_render_standard_pictforminfo_count_t }; static xcb_render_pictforminfo_t * xcb_render_find_pictforminfo (xcb_connection_t *conn, uint32_t mask, const xcb_render_pictforminfo_t *template, int count) { xcb_render_query_pict_formats_cookie_t cookie; xcb_render_query_pict_formats_reply_t *rep; xcb_render_pictforminfo_iterator_t iter_forminfo; cookie = xcb_render_query_pict_formats_unchecked (conn); rep = xcb_render_query_pict_formats_reply (conn, cookie, NULL); iter_forminfo = xcb_render_query_pict_formats_formats_iterator (rep); for (; iter_forminfo.rem; xcb_render_pictforminfo_next (&iter_forminfo)) { if (mask & xcb_render_pictforminfo_id) if (template->id != iter_forminfo.data->id) continue; if (mask & xcb_render_pictforminfo_type_t) if (template->type != iter_forminfo.data->type) continue; if (mask & xcb_render_pictforminfo_depth_t) if (template->depth != iter_forminfo.data->depth) continue; if (mask & xcb_render_pictforminfo_red_shift_t) if (template->direct.red_shift != iter_forminfo.data->direct.red_shift) continue; if (mask & xcb_render_pictforminfo_red_mask_t) if (template->direct.red_mask != iter_forminfo.data->direct.red_mask)
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); }