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authorsanine <sanine.not@pm.me>2022-10-12 12:03:23 -0500
committersanine <sanine.not@pm.me>2022-10-12 12:03:23 -0500
commit530ffd0b7d3c39757b20f00716e486b5caf89aff (patch)
tree76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/boilerplate/cairo-boilerplate-xlib.c
parent3dbe9332e47c143a237db12440f134caebd1cfbe (diff)
add cairo
Diffstat (limited to 'libs/cairo-1.16.0/boilerplate/cairo-boilerplate-xlib.c')
-rw-r--r--libs/cairo-1.16.0/boilerplate/cairo-boilerplate-xlib.c638
1 files changed, 638 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/boilerplate/cairo-boilerplate-xlib.c b/libs/cairo-1.16.0/boilerplate/cairo-boilerplate-xlib.c
new file mode 100644
index 0000000..f3d5598
--- /dev/null
+++ b/libs/cairo-1.16.0/boilerplate/cairo-boilerplate-xlib.c
@@ -0,0 +1,638 @@
+/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
+/*
+ * Copyright © 2004,2006 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of
+ * Red Hat, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc. makes no representations about the
+ * suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Carl D. Worth <cworth@cworth.org>
+ */
+
+#include "cairo-boilerplate-private.h"
+#include "cairo-boilerplate-xlib.h"
+
+#include <cairo-xlib.h>
+#if CAIRO_HAS_XLIB_XRENDER_SURFACE
+#include <cairo-xlib-xrender.h>
+#endif
+
+#include <X11/Xutil.h> /* for XDestroyImage */
+
+#if !CAIRO_HAS_XLIB_XRENDER_SURFACE
+#define PolyModePrecise 0
+#endif
+
+static const cairo_user_data_key_t key;
+
+typedef struct _xlib_target_closure {
+ Display *dpy;
+ Drawable drawable;
+ cairo_bool_t drawable_is_pixmap;
+} xlib_target_closure_t;
+
+static void
+_cairo_boilerplate_xlib_cleanup (void *closure)
+{
+ xlib_target_closure_t *xtc = closure;
+
+ if (xtc->drawable) {
+ if (xtc->drawable_is_pixmap)
+ XFreePixmap (xtc->dpy, xtc->drawable);
+ else
+ XDestroyWindow (xtc->dpy, xtc->drawable);
+ }
+ XCloseDisplay (xtc->dpy);
+ free (xtc);
+}
+
+static void
+_cairo_boilerplate_xlib_synchronize (void *closure)
+{
+ xlib_target_closure_t *xtc = closure;
+ XImage *ximage;
+
+ ximage = XGetImage (xtc->dpy, xtc->drawable,
+ 0, 0, 1, 1, AllPlanes, ZPixmap);
+ if (ximage != NULL)
+ XDestroyImage (ximage);
+}
+
+static cairo_bool_t
+_cairo_boilerplate_xlib_check_screen_size (Display *dpy,
+ int screen,
+ int width,
+ int height)
+{
+ Screen *scr = XScreenOfDisplay (dpy, screen);
+ return width <= WidthOfScreen (scr) && height <= HeightOfScreen (scr);
+}
+
+static void
+_cairo_boilerplate_xlib_setup_test_surface (cairo_surface_t *surface)
+{
+
+ /* For testing purposes, tell the X server to strictly adhere to the
+ * Render specification.
+ */
+ cairo_xlib_device_debug_set_precision(cairo_surface_get_device(surface),
+ PolyModePrecise);
+}
+
+
+#if CAIRO_HAS_XLIB_XRENDER_SURFACE
+/* For the xlib backend we distinguish between TEST and PERF mode in a
+ * couple of ways.
+ *
+ * For TEST, we always test against pixmaps of depth 32 (for
+ * COLOR_ALPHA) or 24 (for COLOR) and we use XSynchronize to make it
+ * easier to debug problems.
+ *
+ * For PERF, we test against 32-bit pixmaps for COLOR_ALPHA, but for
+ * COLOR we test against _windows_ at the depth of the default visual.
+ * For obvious reasons, we don't use XSynchronize.
+ */
+static cairo_surface_t *
+_cairo_boilerplate_xlib_test_create_surface (Display *dpy,
+ cairo_content_t content,
+ int width,
+ int height,
+ xlib_target_closure_t *xtc)
+{
+ XRenderPictFormat *xrender_format;
+ cairo_surface_t *surface;
+
+ /* This kills performance, but it makes debugging much
+ * easier. That's why we have it here when in TEST mode, but not
+ * over in PERF mode. */
+ XSynchronize (xtc->dpy, 1);
+
+ /* XXX: Currently we don't do any xlib testing when the X server
+ * doesn't have the Render extension. We could do better here,
+ * (perhaps by converting the tests from ARGB32 to RGB24). One
+ * step better would be to always test the non-Render fallbacks
+ * for each test even if the server does have the Render
+ * extension. That would probably be through another
+ * cairo_boilerplate_target which would use an extended version of
+ * cairo_test_xlib_disable_render. */
+ switch (content) {
+ case CAIRO_CONTENT_COLOR_ALPHA:
+ xrender_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
+ break;
+ case CAIRO_CONTENT_COLOR:
+ xrender_format = XRenderFindStandardFormat (dpy, PictStandardRGB24);
+ break;
+ case CAIRO_CONTENT_ALPHA:
+ default:
+ CAIRO_BOILERPLATE_DEBUG (("Invalid content for xlib test: %d\n", content));
+ return NULL;
+ }
+ if (xrender_format == NULL) {
+ CAIRO_BOILERPLATE_DEBUG (("X server does not have the Render extension.\n"));
+ return NULL;
+ }
+
+ xtc->drawable = XCreatePixmap (dpy, DefaultRootWindow (dpy),
+ width, height, xrender_format->depth);
+ xtc->drawable_is_pixmap = TRUE;
+
+ surface = cairo_xlib_surface_create_with_xrender_format (dpy, xtc->drawable,
+ DefaultScreenOfDisplay (dpy),
+ xrender_format,
+ width, height);
+
+ _cairo_boilerplate_xlib_setup_test_surface(surface);
+
+ return surface;
+}
+
+static cairo_surface_t *
+_cairo_boilerplate_xlib_perf_create_surface (Display *dpy,
+ cairo_content_t content,
+ int width,
+ int height,
+ xlib_target_closure_t *xtc)
+{
+ XSetWindowAttributes attr;
+ XRenderPictFormat *xrender_format;
+ Visual *visual;
+
+ switch (content) {
+ case CAIRO_CONTENT_COLOR_ALPHA:
+ xrender_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
+ if (xrender_format == NULL) {
+ CAIRO_BOILERPLATE_DEBUG (("X server does not have the Render extension.\n"));
+ return NULL;
+ }
+
+ xtc->drawable = XCreatePixmap (dpy, DefaultRootWindow (dpy),
+ width, height, xrender_format->depth);
+ xtc->drawable_is_pixmap = TRUE;
+ break;
+
+ case CAIRO_CONTENT_COLOR:
+ if (! _cairo_boilerplate_xlib_check_screen_size (dpy,
+ DefaultScreen (dpy),
+ width, height)) {
+ CAIRO_BOILERPLATE_DEBUG (("Surface is larger than the Screen.\n"));
+ return NULL;
+ }
+
+ visual = DefaultVisual (dpy, DefaultScreen (dpy));
+ xrender_format = XRenderFindVisualFormat (dpy, visual);
+ if (xrender_format == NULL) {
+ CAIRO_BOILERPLATE_DEBUG (("X server does not have the Render extension.\n"));
+ return NULL;
+ }
+
+ attr.override_redirect = True;
+ xtc->drawable = XCreateWindow (dpy, DefaultRootWindow (dpy), 0, 0,
+ width, height, 0, xrender_format->depth,
+ InputOutput, visual, CWOverrideRedirect, &attr);
+ XMapWindow (dpy, xtc->drawable);
+ xtc->drawable_is_pixmap = FALSE;
+ break;
+
+ case CAIRO_CONTENT_ALPHA:
+ default:
+ CAIRO_BOILERPLATE_DEBUG (("Invalid content for xlib test: %d\n", content));
+ return NULL;
+ }
+
+ return cairo_xlib_surface_create_with_xrender_format (dpy, xtc->drawable,
+ DefaultScreenOfDisplay (dpy),
+ xrender_format,
+ width, height);
+}
+
+struct similar {
+ Display *dpy;
+ Pixmap pixmap;
+};
+
+static void _destroy_similar (void *closure)
+{
+ struct similar *similar = closure;
+
+ XFreePixmap (similar->dpy, similar->pixmap);
+ free (similar);
+}
+
+static cairo_surface_t *
+_cairo_boilerplate_xlib_create_similar (cairo_surface_t *other,
+ cairo_content_t content,
+ int width,
+ int height)
+{
+ XRenderPictFormat *xrender_format;
+ uint32_t format;
+ struct similar *similar;
+ cairo_surface_t *surface;
+
+ similar = malloc (sizeof (*similar));
+ similar->dpy = cairo_xlib_surface_get_display (other);
+
+ switch (content) {
+ case CAIRO_CONTENT_COLOR:
+ format = PictStandardRGB24;
+ break;
+ case CAIRO_CONTENT_ALPHA:
+ format = PictStandardA8;
+ break;
+ case CAIRO_CONTENT_COLOR_ALPHA:
+ default:
+ format = PictStandardARGB32;
+ break;
+ }
+
+ xrender_format = XRenderFindStandardFormat (similar->dpy, format);
+ similar->pixmap = XCreatePixmap (similar->dpy,
+ DefaultRootWindow (similar->dpy),
+ width, height,
+ xrender_format->depth);
+
+ surface =
+ cairo_xlib_surface_create_with_xrender_format (similar->dpy,
+ similar->pixmap,
+ DefaultScreenOfDisplay (similar->dpy),
+ xrender_format,
+ width, height);
+
+ cairo_surface_set_user_data (surface, &key, similar, _destroy_similar);
+
+ return surface;
+}
+
+static cairo_surface_t *
+_cairo_boilerplate_xlib_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)
+{
+ xlib_target_closure_t *xtc;
+ Display *dpy;
+ cairo_surface_t *surface;
+
+ *closure = xtc = xcalloc (1, sizeof (xlib_target_closure_t));
+
+ width = ceil (width);
+ if (width < 1)
+ width = 1;
+
+ height = ceil (height);
+ if (height < 1)
+ height = 1;
+
+ xtc->dpy = dpy = XOpenDisplay (NULL);
+ if (xtc->dpy == NULL) {
+ free (xtc);
+ CAIRO_BOILERPLATE_DEBUG (("Failed to open display: %s\n", XDisplayName(0)));
+ return NULL;
+ }
+
+ if (mode == CAIRO_BOILERPLATE_MODE_TEST)
+ surface = _cairo_boilerplate_xlib_test_create_surface (dpy, content, width, height, xtc);
+ else /* mode == CAIRO_BOILERPLATE_MODE_PERF */
+ surface = _cairo_boilerplate_xlib_perf_create_surface (dpy, content, width, height, xtc);
+
+ if (surface == NULL || cairo_surface_status (surface))
+ _cairo_boilerplate_xlib_cleanup (xtc);
+
+ return surface;
+}
+
+static cairo_surface_t *
+_cairo_boilerplate_xlib_render_0_0_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)
+{
+ xlib_target_closure_t *xtc;
+ Display *dpy;
+ int screen;
+ Pixmap pixmap;
+ cairo_surface_t *surface, *dummy;
+
+ *closure = xtc = xcalloc (1, sizeof (xlib_target_closure_t));
+
+ width = ceil (width);
+ if (width < 1)
+ width = 1;
+
+ height = ceil (height);
+ if (height < 1)
+ height = 1;
+
+ xtc->dpy = dpy = XOpenDisplay (NULL);
+ if (xtc->dpy == NULL) {
+ free (xtc);
+ CAIRO_BOILERPLATE_DEBUG (("Failed to open display: %s\n", XDisplayName(0)));
+ return NULL;
+ }
+
+
+ screen = DefaultScreen (dpy);
+ pixmap = XCreatePixmap (dpy, DefaultRootWindow (dpy), 1, 1,
+ DefaultDepth (dpy, screen));
+ dummy = cairo_xlib_surface_create (dpy, pixmap,
+ DefaultVisual (dpy, screen),
+ 1, 1);
+ cairo_xlib_device_debug_cap_xrender_version (cairo_surface_get_device (dummy),
+ 0, 0);
+
+ if (mode == CAIRO_BOILERPLATE_MODE_TEST)
+ surface = _cairo_boilerplate_xlib_test_create_surface (dpy, content, width, height, xtc);
+ else /* mode == CAIRO_BOILERPLATE_MODE_PERF */
+ surface = _cairo_boilerplate_xlib_perf_create_surface (dpy, content, width, height, xtc);
+
+ cairo_surface_destroy (dummy);
+ XFreePixmap (dpy, pixmap);
+
+ if (surface == NULL || cairo_surface_status (surface))
+ _cairo_boilerplate_xlib_cleanup (xtc);
+
+ return surface;
+}
+
+static cairo_surface_t *
+_cairo_boilerplate_xlib_window_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)
+{
+ xlib_target_closure_t *xtc;
+ Display *dpy;
+ int screen;
+ XSetWindowAttributes attr;
+ cairo_surface_t *surface;
+
+ /* We're not yet bothering to support perf mode for the
+ * xlib-fallback surface. */
+ if (mode == CAIRO_BOILERPLATE_MODE_PERF)
+ return NULL;
+
+ /* We also don't support drawing with destination-alpha in the
+ * xlib-fallback surface. */
+ if (content == CAIRO_CONTENT_COLOR_ALPHA)
+ return NULL;
+
+ *closure = xtc = xmalloc (sizeof (xlib_target_closure_t));
+
+ width = ceil (width);
+ if (width < 1)
+ width = 1;
+
+ height = ceil (height);
+ if (height < 1)
+ height = 1;
+
+ xtc->dpy = dpy = XOpenDisplay (NULL);
+ if (xtc->dpy == NULL) {
+ CAIRO_BOILERPLATE_DEBUG (("Failed to open display: %s\n", XDisplayName(0)));
+ free (xtc);
+ return NULL;
+ }
+
+ /* This kills performance, but it makes debugging much
+ * easier. That's why we have it here only after explicitly not
+ * supporting PERF mode.*/
+ XSynchronize (dpy, 1);
+
+ screen = DefaultScreen (dpy);
+ if (! _cairo_boilerplate_xlib_check_screen_size (dpy, screen,
+ width, height)) {
+ CAIRO_BOILERPLATE_DEBUG (("Surface is larger than the Screen.\n"));
+ XCloseDisplay (dpy);
+ free (xtc);
+ return NULL;
+ }
+
+ attr.override_redirect = True;
+ xtc->drawable = XCreateWindow (dpy, DefaultRootWindow (dpy),
+ 0, 0,
+ width, height, 0,
+ DefaultDepth (dpy, screen),
+ InputOutput,
+ DefaultVisual (dpy, screen),
+ CWOverrideRedirect, &attr);
+ XMapWindow (dpy, xtc->drawable);
+ xtc->drawable_is_pixmap = FALSE;
+
+ surface = cairo_xlib_surface_create (dpy, xtc->drawable,
+ DefaultVisual (dpy, screen),
+ width, height);
+ if (cairo_surface_status (surface))
+ _cairo_boilerplate_xlib_cleanup (xtc);
+
+ _cairo_boilerplate_xlib_setup_test_surface(surface);
+
+ return surface;
+}
+#endif
+
+
+#if CAIRO_HAS_XLIB_SURFACE
+/* The xlib-fallback target differs from the xlib target in two ways:
+ *
+ * 1. It creates its surfaces without relying on the Render extension
+ *
+ * 2. It disables use of the Render extension for its surfaces
+ *
+ * This provides testing of the non-Render fallback paths we have in
+ * cairo-xlib-surface.c
+ */
+static cairo_surface_t *
+_cairo_boilerplate_xlib_fallback_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)
+{
+ xlib_target_closure_t *xtc;
+ Display *dpy;
+ int screen;
+ XSetWindowAttributes attr;
+ cairo_surface_t *surface, *dummy;
+
+ /* We're not yet bothering to support perf mode for the
+ * xlib-fallback surface. */
+ if (mode == CAIRO_BOILERPLATE_MODE_PERF)
+ return NULL;
+
+ /* We also don't support drawing with destination-alpha in the
+ * xlib-fallback surface. */
+ if (content == CAIRO_CONTENT_COLOR_ALPHA)
+ return NULL;
+
+ *closure = xtc = xmalloc (sizeof (xlib_target_closure_t));
+
+ width = ceil (width);
+ if (width < 1)
+ width = 1;
+
+ height = ceil (height);
+ if (height < 1)
+ height = 1;
+
+ xtc->dpy = dpy = XOpenDisplay (NULL);
+ if (xtc->dpy == NULL) {
+ CAIRO_BOILERPLATE_DEBUG (("Failed to open display: %s\n", XDisplayName(0)));
+ free (xtc);
+ return NULL;
+ }
+
+ /* This kills performance, but it makes debugging much
+ * easier. That's why we have it here only after explicitly not
+ * supporting PERF mode.*/
+ XSynchronize (dpy, 1);
+
+ screen = DefaultScreen (dpy);
+ if (! _cairo_boilerplate_xlib_check_screen_size (dpy, screen,
+ width, height)) {
+ CAIRO_BOILERPLATE_DEBUG (("Surface is larger than the Screen.\n"));
+ XCloseDisplay (dpy);
+ free (xtc);
+ return NULL;
+ }
+
+ attr.override_redirect = True;
+ xtc->drawable = XCreateWindow (dpy, DefaultRootWindow (dpy),
+ 0, 0,
+ width, height, 0,
+ DefaultDepth (dpy, screen),
+ InputOutput,
+ DefaultVisual (dpy, screen),
+ CWOverrideRedirect, &attr);
+ XMapWindow (dpy, xtc->drawable);
+ xtc->drawable_is_pixmap = FALSE;
+
+ dummy = cairo_xlib_surface_create (dpy, xtc->drawable,
+ DefaultVisual (dpy, screen),
+ width, height);
+ cairo_xlib_device_debug_cap_xrender_version (cairo_surface_get_device (dummy),
+ -1, -1);
+
+ surface = cairo_xlib_surface_create (dpy, xtc->drawable,
+ DefaultVisual (dpy, screen),
+ width, height);
+ cairo_surface_destroy (dummy);
+ if (cairo_surface_status (surface))
+ _cairo_boilerplate_xlib_cleanup (xtc);
+
+ _cairo_boilerplate_xlib_setup_test_surface(surface);
+
+ return surface;
+}
+#endif
+
+static const cairo_boilerplate_target_t targets[] = {
+#if CAIRO_HAS_XLIB_XRENDER_SURFACE
+ /* Acceleration architectures may make the results differ by a
+ * bit, so we set the error tolerance to 1. */
+ {
+ "xlib", "traps", NULL, "xlib-fallback",
+ CAIRO_SURFACE_TYPE_XLIB, CAIRO_CONTENT_COLOR_ALPHA, 1,
+ "cairo_xlib_surface_create_with_xrender_format",
+ _cairo_boilerplate_xlib_create_surface,
+ _cairo_boilerplate_xlib_create_similar,
+ NULL, NULL,
+ _cairo_boilerplate_get_image_surface,
+ cairo_surface_write_to_png,
+ _cairo_boilerplate_xlib_cleanup,
+ _cairo_boilerplate_xlib_synchronize,
+ NULL,
+ TRUE, FALSE, FALSE
+ },
+ {
+ "xlib", "traps", NULL, "xlib-fallback",
+ CAIRO_SURFACE_TYPE_XLIB, CAIRO_CONTENT_COLOR, 1,
+ "cairo_xlib_surface_create_with_xrender_format",
+ _cairo_boilerplate_xlib_create_surface,
+ _cairo_boilerplate_xlib_create_similar,
+ NULL, NULL,
+ _cairo_boilerplate_get_image_surface,
+ cairo_surface_write_to_png,
+ _cairo_boilerplate_xlib_cleanup,
+ _cairo_boilerplate_xlib_synchronize,
+ NULL,
+ FALSE, FALSE, FALSE
+ },
+ {
+ "xlib-window", "traps", NULL, NULL,
+ CAIRO_SURFACE_TYPE_XLIB, CAIRO_CONTENT_COLOR, 1,
+ "cairo_xlib_surface_create",
+ _cairo_boilerplate_xlib_window_create_surface,
+ cairo_surface_create_similar,
+ NULL, NULL,
+ _cairo_boilerplate_get_image_surface,
+ cairo_surface_write_to_png,
+ _cairo_boilerplate_xlib_cleanup,
+ _cairo_boilerplate_xlib_synchronize,
+ NULL,
+ FALSE, FALSE, FALSE
+ },
+ {
+ "xlib-render-0_0", "mask", NULL, NULL,
+ CAIRO_SURFACE_TYPE_XLIB, CAIRO_CONTENT_COLOR, 1,
+ "cairo_xlib_surface_create",
+ _cairo_boilerplate_xlib_render_0_0_create_surface,
+ cairo_surface_create_similar,
+ NULL, NULL,
+ _cairo_boilerplate_get_image_surface,
+ cairo_surface_write_to_png,
+ _cairo_boilerplate_xlib_cleanup,
+ _cairo_boilerplate_xlib_synchronize,
+ NULL,
+ FALSE, FALSE, FALSE
+ },
+#endif
+#if CAIRO_HAS_XLIB_SURFACE
+ /* This is a fallback surface which uses xlib fallbacks instead of
+ * the Render extension. */
+ {
+ "xlib-fallback", "image", NULL, NULL,
+ CAIRO_SURFACE_TYPE_XLIB, CAIRO_CONTENT_COLOR, 1,
+ "cairo_xlib_surface_create",
+ _cairo_boilerplate_xlib_fallback_create_surface,
+ cairo_surface_create_similar,
+ NULL, NULL,
+ _cairo_boilerplate_get_image_surface,
+ cairo_surface_write_to_png,
+ _cairo_boilerplate_xlib_cleanup,
+ _cairo_boilerplate_xlib_synchronize,
+ NULL,
+ FALSE, FALSE, FALSE
+ },
+#endif
+};
+CAIRO_BOILERPLATE (xlib, targets)