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-rw-r--r--src/cairo-xlib-xcb-surface.c847
1 files changed, 847 insertions, 0 deletions
diff --git a/src/cairo-xlib-xcb-surface.c b/src/cairo-xlib-xcb-surface.c
new file mode 100644
index 000000000..af3e15578
--- /dev/null
+++ b/src/cairo-xlib-xcb-surface.c
@@ -0,0 +1,847 @@
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2002 University of Southern California
+ * Copyright © 2009 Intel Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is the cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is University of Southern
+ * California.
+ *
+ * Contributor(s):
+ * Carl D. Worth <cworth@cworth.org>
+ * Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#include "cairoint.h"
+
+#if CAIRO_HAS_XLIB_XCB_FUNCTIONS
+
+#include "cairo-xlib.h"
+#include "cairo-xcb.h"
+
+#include "cairo-xcb-private.h"
+#include "cairo-xlib-xrender-private.h"
+
+#include "cairo-default-context-private.h"
+#include "cairo-list-inline.h"
+#include "cairo-image-surface-private.h"
+#include "cairo-surface-backend-private.h"
+
+#include <X11/Xlib-xcb.h>
+#include <X11/Xlibint.h> /* For XESetCloseDisplay */
+
+struct cairo_xlib_xcb_display_t {
+ cairo_device_t base;
+
+ Display *dpy;
+ cairo_device_t *xcb_device;
+ XExtCodes *codes;
+
+ cairo_list_t link;
+};
+typedef struct cairo_xlib_xcb_display_t cairo_xlib_xcb_display_t;
+
+/* List of all #cairo_xlib_xcb_display_t alive,
+ * protected by _cairo_xlib_display_mutex */
+static cairo_list_t displays;
+
+static cairo_surface_t *
+_cairo_xlib_xcb_surface_create (void *dpy,
+ void *scr,
+ void *visual,
+ void *format,
+ cairo_surface_t *xcb);
+
+static cairo_surface_t *
+_cairo_xlib_xcb_surface_create_similar (void *abstract_other,
+ cairo_content_t content,
+ int width,
+ int height)
+{
+ cairo_xlib_xcb_surface_t *other = abstract_other;
+ cairo_surface_t *xcb;
+
+ xcb = other->xcb->base.backend->create_similar (other->xcb, content, width, height);
+ if (unlikely (xcb == NULL || xcb->status))
+ return xcb;
+
+ return _cairo_xlib_xcb_surface_create (other->display, other->screen, NULL, NULL, xcb);
+}
+
+static cairo_status_t
+_cairo_xlib_xcb_surface_finish (void *abstract_surface)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ cairo_status_t status;
+
+ cairo_surface_finish (&surface->xcb->base);
+ status = surface->xcb->base.status;
+ cairo_surface_destroy (&surface->xcb->base);
+ surface->xcb = NULL;
+
+ return status;
+}
+
+static cairo_surface_t *
+_cairo_xlib_xcb_surface_create_similar_image (void *abstract_other,
+ cairo_format_t format,
+ int width,
+ int height)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_other;
+ return cairo_surface_create_similar_image (&surface->xcb->base, format, width, height);
+}
+
+static cairo_image_surface_t *
+_cairo_xlib_xcb_surface_map_to_image (void *abstract_surface,
+ const cairo_rectangle_int_t *extents)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ return _cairo_surface_map_to_image (&surface->xcb->base, extents);
+}
+
+static cairo_int_status_t
+_cairo_xlib_xcb_surface_unmap (void *abstract_surface,
+ cairo_image_surface_t *image)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ return _cairo_surface_unmap_image (&surface->xcb->base, image);
+}
+
+static cairo_surface_t *
+_cairo_xlib_xcb_surface_source (void *abstract_surface,
+ cairo_rectangle_int_t *extents)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ return _cairo_surface_get_source (&surface->xcb->base, extents);
+}
+
+static cairo_status_t
+_cairo_xlib_xcb_surface_acquire_source_image (void *abstract_surface,
+ cairo_image_surface_t **image_out,
+ void **image_extra)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ return _cairo_surface_acquire_source_image (&surface->xcb->base,
+ image_out, image_extra);
+}
+
+static void
+_cairo_xlib_xcb_surface_release_source_image (void *abstract_surface,
+ cairo_image_surface_t *image_out,
+ void *image_extra)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ _cairo_surface_release_source_image (&surface->xcb->base, image_out, image_extra);
+}
+
+static cairo_bool_t
+_cairo_xlib_xcb_surface_get_extents (void *abstract_surface,
+ cairo_rectangle_int_t *extents)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ return _cairo_surface_get_extents (&surface->xcb->base, extents);
+}
+
+static void
+_cairo_xlib_xcb_surface_get_font_options (void *abstract_surface,
+ cairo_font_options_t *options)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ cairo_surface_get_font_options (&surface->xcb->base, options);
+}
+
+static cairo_int_status_t
+_cairo_xlib_xcb_surface_paint (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const cairo_clip_t *clip)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ return _cairo_surface_paint (&surface->xcb->base, op, source, clip);
+}
+
+static cairo_int_status_t
+_cairo_xlib_xcb_surface_mask (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const cairo_pattern_t *mask,
+ const cairo_clip_t *clip)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ return _cairo_surface_mask (&surface->xcb->base, op, source, mask, clip);
+}
+
+static cairo_int_status_t
+_cairo_xlib_xcb_surface_stroke (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const cairo_path_fixed_t *path,
+ const cairo_stroke_style_t *style,
+ const cairo_matrix_t *ctm,
+ const cairo_matrix_t *ctm_inverse,
+ double tolerance,
+ cairo_antialias_t antialias,
+ const cairo_clip_t *clip)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ return _cairo_surface_stroke (&surface->xcb->base,
+ op, source, path, style, ctm, ctm_inverse,
+ tolerance, antialias, clip);
+}
+
+static cairo_int_status_t
+_cairo_xlib_xcb_surface_fill (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const cairo_path_fixed_t *path,
+ cairo_fill_rule_t fill_rule,
+ double tolerance,
+ cairo_antialias_t antialias,
+ const cairo_clip_t *clip)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ return _cairo_surface_fill (&surface->xcb->base,
+ op, source, path,
+ fill_rule, tolerance,
+ antialias, clip);
+}
+
+static cairo_int_status_t
+_cairo_xlib_xcb_surface_glyphs (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ cairo_glyph_t *glyphs,
+ int num_glyphs,
+ cairo_scaled_font_t *scaled_font,
+ const cairo_clip_t *clip)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ return _cairo_surface_show_text_glyphs (&surface->xcb->base, op, source,
+ NULL, 0,
+ glyphs, num_glyphs,
+ NULL, 0, 0,
+ scaled_font, clip);
+}
+
+static cairo_status_t
+_cairo_xlib_xcb_surface_flush (void *abstract_surface, unsigned flags)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ /* We have to call cairo_surface_flush() to make sure snapshots are detached */
+ return _cairo_surface_flush (&surface->xcb->base, flags);
+}
+
+static cairo_status_t
+_cairo_xlib_xcb_surface_mark_dirty (void *abstract_surface,
+ int x, int y,
+ int width, int height)
+{
+ cairo_xlib_xcb_surface_t *surface = abstract_surface;
+ cairo_surface_mark_dirty_rectangle (&surface->xcb->base, x, y, width, height);
+ return cairo_surface_status (&surface->xcb->base);
+}
+
+static const cairo_surface_backend_t _cairo_xlib_xcb_surface_backend = {
+ CAIRO_SURFACE_TYPE_XLIB,
+ _cairo_xlib_xcb_surface_finish,
+
+ _cairo_default_context_create, /* XXX */
+
+ _cairo_xlib_xcb_surface_create_similar,
+ _cairo_xlib_xcb_surface_create_similar_image,
+ _cairo_xlib_xcb_surface_map_to_image,
+ _cairo_xlib_xcb_surface_unmap,
+
+ _cairo_xlib_xcb_surface_source,
+ _cairo_xlib_xcb_surface_acquire_source_image,
+ _cairo_xlib_xcb_surface_release_source_image,
+ NULL, /* snapshot */
+
+ NULL, /* copy_page */
+ NULL, /* show_page */
+
+ _cairo_xlib_xcb_surface_get_extents,
+ _cairo_xlib_xcb_surface_get_font_options,
+
+ _cairo_xlib_xcb_surface_flush,
+ _cairo_xlib_xcb_surface_mark_dirty,
+
+ _cairo_xlib_xcb_surface_paint,
+ _cairo_xlib_xcb_surface_mask,
+ _cairo_xlib_xcb_surface_stroke,
+ _cairo_xlib_xcb_surface_fill,
+ NULL, /* fill_stroke */
+ _cairo_xlib_xcb_surface_glyphs,
+};
+
+static void
+_cairo_xlib_xcb_display_finish (void *abstract_display)
+{
+ cairo_xlib_xcb_display_t *display = (cairo_xlib_xcb_display_t *) abstract_display;
+
+ CAIRO_MUTEX_LOCK (_cairo_xlib_display_mutex);
+ cairo_list_del (&display->link);
+ CAIRO_MUTEX_UNLOCK (_cairo_xlib_display_mutex);
+
+ cairo_device_destroy (display->xcb_device);
+ display->xcb_device = NULL;
+
+ XESetCloseDisplay (display->dpy, display->codes->extension, NULL);
+ /* Drop the reference from _cairo_xlib_xcb_device_create */
+ cairo_device_destroy (&display->base);
+}
+
+static int
+_cairo_xlib_xcb_close_display(Display *dpy, XExtCodes *codes)
+{
+ cairo_xlib_xcb_display_t *display;
+
+ CAIRO_MUTEX_LOCK (_cairo_xlib_display_mutex);
+ cairo_list_foreach_entry (display,
+ cairo_xlib_xcb_display_t,
+ &displays,
+ link)
+ {
+ if (display->dpy == dpy)
+ {
+ /* _cairo_xlib_xcb_display_finish will lock the mutex again
+ * -> deadlock (This mutex isn't recursive) */
+ cairo_device_reference (&display->base);
+ CAIRO_MUTEX_UNLOCK (_cairo_xlib_display_mutex);
+
+ /* Make sure the xcb and xlib-xcb devices are finished */
+ cairo_device_finish (display->xcb_device);
+ cairo_device_finish (&display->base);
+
+ cairo_device_destroy (&display->base);
+ return 0;
+ }
+ }
+ CAIRO_MUTEX_UNLOCK (_cairo_xlib_display_mutex);
+
+ return 0;
+}
+
+static const cairo_device_backend_t _cairo_xlib_xcb_device_backend = {
+ CAIRO_DEVICE_TYPE_XLIB,
+
+ NULL,
+ NULL,
+
+ NULL, /* flush */
+ _cairo_xlib_xcb_display_finish,
+ free, /* destroy */
+};
+
+static cairo_device_t *
+_cairo_xlib_xcb_device_create (Display *dpy, cairo_device_t *xcb_device)
+{
+ cairo_xlib_xcb_display_t *display = NULL;
+ cairo_device_t *device;
+
+ if (xcb_device == NULL)
+ return NULL;
+
+ CAIRO_MUTEX_INITIALIZE ();
+
+ CAIRO_MUTEX_LOCK (_cairo_xlib_display_mutex);
+ if (displays.next == NULL) {
+ cairo_list_init (&displays);
+ }
+
+ cairo_list_foreach_entry (display,
+ cairo_xlib_xcb_display_t,
+ &displays,
+ link)
+ {
+ if (display->dpy == dpy) {
+ /* Maintain MRU order. */
+ if (displays.next != &display->link)
+ cairo_list_move (&display->link, &displays);
+
+ /* Grab a reference for our caller */
+ device = cairo_device_reference (&display->base);
+ assert (display->xcb_device == xcb_device);
+ goto unlock;
+ }
+ }
+
+ display = malloc (sizeof (cairo_xlib_xcb_display_t));
+ if (unlikely (display == NULL)) {
+ device = _cairo_device_create_in_error (CAIRO_STATUS_NO_MEMORY);
+ goto unlock;
+ }
+
+ display->codes = XAddExtension (dpy);
+ if (unlikely (display->codes == NULL)) {
+ device = _cairo_device_create_in_error (CAIRO_STATUS_NO_MEMORY);
+ free (display);
+ goto unlock;
+ }
+
+ _cairo_device_init (&display->base, &_cairo_xlib_xcb_device_backend);
+
+ XESetCloseDisplay (dpy, display->codes->extension, _cairo_xlib_xcb_close_display);
+ /* Add a reference for _cairo_xlib_xcb_display_finish. This basically means
+ * that the device's reference count never drops to zero
+ * as long as our Display* is alive. We need this because there is no
+ * "XDelExtension" to undo XAddExtension and having lots of registered
+ * extensions slows down libX11. */
+ cairo_device_reference (&display->base);
+
+ display->dpy = dpy;
+ display->xcb_device = cairo_device_reference(xcb_device);
+
+ cairo_list_add (&display->link, &displays);
+ device = &display->base;
+
+unlock:
+ CAIRO_MUTEX_UNLOCK (_cairo_xlib_display_mutex);
+
+ return device;
+}
+
+static cairo_surface_t *
+_cairo_xlib_xcb_surface_create (void *dpy,
+ void *scr,
+ void *visual,
+ void *format,
+ cairo_surface_t *xcb)
+{
+ cairo_xlib_xcb_surface_t *surface;
+
+ if (unlikely (xcb->status))
+ return xcb;
+
+ surface = malloc (sizeof (*surface));
+ if (unlikely (surface == NULL)) {
+ cairo_surface_destroy (xcb);
+ return _cairo_surface_create_in_error (CAIRO_STATUS_NO_MEMORY);
+ }
+
+ _cairo_surface_init (&surface->base,
+ &_cairo_xlib_xcb_surface_backend,
+ _cairo_xlib_xcb_device_create (dpy, xcb->device),
+ xcb->content);
+
+ /* _cairo_surface_init() got another reference to the device, drop ours */
+ cairo_device_destroy (surface->base.device);
+
+ surface->display = dpy;
+ surface->screen = scr;
+ surface->visual = visual;
+ surface->format = format;
+ surface->xcb = (cairo_xcb_surface_t *) xcb;
+
+ return &surface->base;
+}
+
+static Screen *
+_cairo_xlib_screen_from_visual (Display *dpy, Visual *visual)
+{
+ int s, d, v;
+
+ for (s = 0; s < ScreenCount (dpy); s++) {
+ Screen *screen;
+
+ screen = ScreenOfDisplay (dpy, s);
+ if (visual == DefaultVisualOfScreen (screen))
+ return screen;
+
+ for (d = 0; d < screen->ndepths; d++) {
+ Depth *depth;
+
+ depth = &screen->depths[d];
+ for (v = 0; v < depth->nvisuals; v++)
+ if (visual == &depth->visuals[v])
+ return screen;
+ }
+ }
+
+ return NULL;
+}
+
+cairo_surface_t *
+cairo_xlib_surface_create (Display *dpy,
+ Drawable drawable,
+ Visual *visual,
+ int width,
+ int height)
+{
+ Screen *scr;
+ xcb_visualtype_t xcb_visual;
+
+ scr = _cairo_xlib_screen_from_visual (dpy, visual);
+ if (scr == NULL)
+ return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_VISUAL));
+
+ xcb_visual.visual_id = visual->visualid;
+#if defined(__cplusplus) || defined(c_plusplus)
+ xcb_visual._class = visual->c_class;
+#else
+ xcb_visual._class = visual->class;
+#endif
+ xcb_visual.bits_per_rgb_value = visual->bits_per_rgb;
+ xcb_visual.colormap_entries = visual->map_entries;
+ xcb_visual.red_mask = visual->red_mask;
+ xcb_visual.green_mask = visual->green_mask;
+ xcb_visual.blue_mask = visual->blue_mask;
+
+ return _cairo_xlib_xcb_surface_create (dpy, scr, visual, NULL,
+ cairo_xcb_surface_create (XGetXCBConnection (dpy),
+ drawable,
+ &xcb_visual,
+ width, height));
+}
+
+static xcb_screen_t *
+_cairo_xcb_screen_from_root (xcb_connection_t *connection,
+ xcb_window_t id)
+{
+ xcb_screen_iterator_t s;
+
+ s = xcb_setup_roots_iterator (xcb_get_setup (connection));
+ for (; s.rem; xcb_screen_next (&s)) {
+ if (s.data->root == id)
+ return s.data;
+ }
+
+ return NULL;
+}
+
+cairo_surface_t *
+cairo_xlib_surface_create_for_bitmap (Display *dpy,
+ Pixmap bitmap,
+ Screen *scr,
+ int width,
+ int height)
+{
+ xcb_connection_t *connection = XGetXCBConnection (dpy);
+ xcb_screen_t *screen = _cairo_xcb_screen_from_root (connection, (xcb_window_t) scr->root);
+ return _cairo_xlib_xcb_surface_create (dpy, scr, NULL, NULL,
+ cairo_xcb_surface_create_for_bitmap (connection,
+ screen,
+ bitmap,
+ width, height));
+}
+
+#if CAIRO_HAS_XLIB_XRENDER_SURFACE
+cairo_surface_t *
+cairo_xlib_surface_create_with_xrender_format (Display *dpy,
+ Drawable drawable,
+ Screen *scr,
+ XRenderPictFormat *format,
+ int width,
+ int height)
+{
+ xcb_render_pictforminfo_t xcb_format;
+ xcb_connection_t *connection;
+ xcb_screen_t *screen;
+
+ xcb_format.id = format->id;
+ xcb_format.type = format->type;
+ xcb_format.depth = format->depth;
+ xcb_format.direct.red_shift = format->direct.red;
+ xcb_format.direct.red_mask = format->direct.redMask;
+ xcb_format.direct.green_shift = format->direct.green;
+ xcb_format.direct.green_mask = format->direct.greenMask;
+ xcb_format.direct.blue_shift = format->direct.blue;
+ xcb_format.direct.blue_mask = format->direct.blueMask;
+ xcb_format.direct.alpha_shift = format->direct.alpha;
+ xcb_format.direct.alpha_mask = format->direct.alphaMask;
+ xcb_format.colormap = format->colormap;
+
+ connection = XGetXCBConnection (dpy);
+ screen = _cairo_xcb_screen_from_root (connection, (xcb_window_t) scr->root);
+
+ return _cairo_xlib_xcb_surface_create (dpy, scr, NULL, format,
+ cairo_xcb_surface_create_with_xrender_format (connection, screen,
+ drawable,
+ &xcb_format,
+ width, height));
+}
+
+XRenderPictFormat *
+cairo_xlib_surface_get_xrender_format (cairo_surface_t *surface)
+{
+ cairo_xlib_xcb_surface_t *xlib_surface = (cairo_xlib_xcb_surface_t *) surface;
+
+ /* Throw an error for a non-xlib surface */
+ if (surface->type != CAIRO_SURFACE_TYPE_XLIB) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return NULL;
+ }
+
+ return xlib_surface->format;
+}
+#endif
+
+void
+cairo_xlib_surface_set_size (cairo_surface_t *abstract_surface,
+ int width,
+ int height)
+{
+ cairo_xlib_xcb_surface_t *surface = (cairo_xlib_xcb_surface_t *) abstract_surface;
+ cairo_status_t status;
+
+ if (unlikely (abstract_surface->status))
+ return;
+ if (unlikely (abstract_surface->finished)) {
+ status = _cairo_surface_set_error (abstract_surface,
+ _cairo_error (CAIRO_STATUS_SURFACE_FINISHED));
+ return;
+ }
+
+ if (surface->base.type != CAIRO_SURFACE_TYPE_XLIB) {
+ status = _cairo_surface_set_error (abstract_surface,
+ CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return;
+ }
+
+ cairo_xcb_surface_set_size (&surface->xcb->base, width, height);
+ if (unlikely (surface->xcb->base.status)) {
+ status = _cairo_surface_set_error (abstract_surface,
+ _cairo_error (surface->xcb->base.status));
+ }
+}
+
+void
+cairo_xlib_surface_set_drawable (cairo_surface_t *abstract_surface,
+ Drawable drawable,
+ int width,
+ int height)
+{
+ cairo_xlib_xcb_surface_t *surface = (cairo_xlib_xcb_surface_t *)abstract_surface;
+ cairo_status_t status;
+
+ if (unlikely (abstract_surface->status))
+ return;
+ if (unlikely (abstract_surface->finished)) {
+ status = _cairo_surface_set_error (abstract_surface,
+ _cairo_error (CAIRO_STATUS_SURFACE_FINISHED));
+ return;
+ }
+
+ if (surface->base.type != CAIRO_SURFACE_TYPE_XLIB) {
+ status = _cairo_surface_set_error (abstract_surface,
+ CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return;
+ }
+
+ cairo_xcb_surface_set_drawable (&surface->xcb->base, drawable, width, height);
+ if (unlikely (surface->xcb->base.status)) {
+ status = _cairo_surface_set_error (abstract_surface,
+ _cairo_error (surface->xcb->base.status));
+ }
+}
+
+Display *
+cairo_xlib_surface_get_display (cairo_surface_t *abstract_surface)
+{
+ cairo_xlib_xcb_surface_t *surface = (cairo_xlib_xcb_surface_t *) abstract_surface;
+
+ if (surface->base.type != CAIRO_SURFACE_TYPE_XLIB) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return NULL;
+ }
+
+ return surface->display;
+}
+
+Drawable
+cairo_xlib_surface_get_drawable (cairo_surface_t *abstract_surface)
+{
+ cairo_xlib_xcb_surface_t *surface = (cairo_xlib_xcb_surface_t *) abstract_surface;
+
+ if (unlikely (abstract_surface->finished)) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_FINISHED);
+ return 0;
+ }
+ if (surface->base.type != CAIRO_SURFACE_TYPE_XLIB) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return 0;
+ }
+ /* This can happen when e.g. create_similar falls back to an image surface
+ * because we don't have the RENDER extension. */
+ if (surface->xcb->base.type != CAIRO_SURFACE_TYPE_XCB) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return 0;
+ }
+
+ return surface->xcb->drawable;
+}
+
+Screen *
+cairo_xlib_surface_get_screen (cairo_surface_t *abstract_surface)
+{
+ cairo_xlib_xcb_surface_t *surface = (cairo_xlib_xcb_surface_t *) abstract_surface;
+
+ if (surface->base.type != CAIRO_SURFACE_TYPE_XLIB) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return NULL;
+ }
+
+ return surface->screen;
+}
+
+Visual *
+cairo_xlib_surface_get_visual (cairo_surface_t *abstract_surface)
+{
+ cairo_xlib_xcb_surface_t *surface = (cairo_xlib_xcb_surface_t *) abstract_surface;
+
+ if (surface->base.type != CAIRO_SURFACE_TYPE_XLIB) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return NULL;
+ }
+
+ return surface->visual;
+}
+
+int
+cairo_xlib_surface_get_depth (cairo_surface_t *abstract_surface)
+{
+ cairo_xlib_xcb_surface_t *surface = (cairo_xlib_xcb_surface_t *) abstract_surface;
+
+ if (unlikely (abstract_surface->finished)) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_FINISHED);
+ return 0;
+ }
+ if (surface->base.type != CAIRO_SURFACE_TYPE_XLIB) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return 0;
+ }
+ /* This can happen when e.g. create_similar falls back to an image surface
+ * because we don't have the RENDER extension. */
+ if (surface->xcb->base.type != CAIRO_SURFACE_TYPE_XCB) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return 0;
+ }
+
+ return surface->xcb->depth;
+}
+
+int
+cairo_xlib_surface_get_width (cairo_surface_t *abstract_surface)
+{
+ cairo_xlib_xcb_surface_t *surface = (cairo_xlib_xcb_surface_t *) abstract_surface;
+
+ if (unlikely (abstract_surface->finished)) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_FINISHED);
+ return 0;
+ }
+ if (surface->base.type != CAIRO_SURFACE_TYPE_XLIB) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return 0;
+ }
+ /* This can happen when e.g. create_similar falls back to an image surface
+ * because we don't have the RENDER extension. */
+ if (surface->xcb->base.type != CAIRO_SURFACE_TYPE_XCB) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return 0;
+ }
+
+ return surface->xcb->width;
+}
+
+int
+cairo_xlib_surface_get_height (cairo_surface_t *abstract_surface)
+{
+ cairo_xlib_xcb_surface_t *surface = (cairo_xlib_xcb_surface_t *) abstract_surface;
+
+ if (unlikely (abstract_surface->finished)) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_FINISHED);
+ return 0;
+ }
+ if (surface->base.type != CAIRO_SURFACE_TYPE_XLIB) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return 0;
+ }
+ /* This can happen when e.g. create_similar falls back to an image surface
+ * because we don't have the RENDER extension. */
+ if (surface->xcb->base.type != CAIRO_SURFACE_TYPE_XCB) {
+ _cairo_error_throw (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
+ return 0;
+ }
+
+ return surface->xcb->height;
+}
+
+void
+cairo_xlib_device_debug_cap_xrender_version (cairo_device_t *device,
+ int major, int minor)
+{
+ cairo_xlib_xcb_display_t *display = (cairo_xlib_xcb_display_t *) device;
+
+ if (device == NULL || device->status)
+ return;
+
+ if (device->backend->type != CAIRO_DEVICE_TYPE_XLIB)
+ return;
+
+ cairo_xcb_device_debug_cap_xrender_version (display->xcb_device,
+ major, minor);
+}
+
+void
+cairo_xlib_device_debug_set_precision (cairo_device_t *device,
+ int precision)
+{
+ cairo_xlib_xcb_display_t *display = (cairo_xlib_xcb_display_t *) device;
+
+ if (device == NULL || device->status)
+ return;
+ if (device->backend->type != CAIRO_DEVICE_TYPE_XLIB) {
+ cairo_status_t status;
+
+ status = _cairo_device_set_error (device, CAIRO_STATUS_DEVICE_TYPE_MISMATCH);
+ (void) status;
+ return;
+ }
+
+ cairo_xcb_device_debug_set_precision (display->xcb_device, precision);
+}
+
+int
+cairo_xlib_device_debug_get_precision (cairo_device_t *device)
+{
+ cairo_xlib_xcb_display_t *display = (cairo_xlib_xcb_display_t *) device;
+
+ if (device == NULL || device->status)
+ return -1;
+ if (device->backend->type != CAIRO_DEVICE_TYPE_XLIB) {
+ cairo_status_t status;
+
+ status = _cairo_device_set_error (device, CAIRO_STATUS_DEVICE_TYPE_MISMATCH);
+ (void) status;
+ return -1;
+ }
+
+ return cairo_xcb_device_debug_get_precision (display->xcb_device);
+}
+
+#endif /* CAIRO_HAS_XLIB_XCB_FUNCTIONS */