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/* -*- 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.h"
#include "cairo-boilerplate-xlib-private.h"
#include <cairo-xlib-xrender.h>
typedef struct _xlib_target_closure
{
Display *dpy;
Drawable drawable;
cairo_bool_t drawable_is_pixmap;
} xlib_target_closure_t;
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);
}
/* 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;
/* 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_LOG ("Invalid content for xlib test: %d\n", content);
return NULL;
}
if (xrender_format == NULL) {
CAIRO_BOILERPLATE_LOG ("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;
return cairo_xlib_surface_create_with_xrender_format (dpy, xtc->drawable,
DefaultScreenOfDisplay (dpy),
xrender_format,
width, height);
}
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);
xtc->drawable = XCreatePixmap (dpy, DefaultRootWindow (dpy),
width, height, xrender_format->depth);
xtc->drawable_is_pixmap = TRUE;
break;
case CAIRO_CONTENT_COLOR:
visual = DefaultVisual (dpy, DefaultScreen (dpy));
xrender_format = XRenderFindVisualFormat (dpy, visual);
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_LOG ("Invalid content for xlib test: %d\n", content);
return NULL;
}
if (xrender_format == NULL) {
CAIRO_BOILERPLATE_LOG ("X server does not have the Render extension.\n");
return NULL;
}
return cairo_xlib_surface_create_with_xrender_format (dpy, xtc->drawable,
DefaultScreenOfDisplay (dpy),
xrender_format,
width, height);
}
cairo_surface_t *
_cairo_boilerplate_xlib_create_surface (const char *name,
cairo_content_t content,
int width,
int height,
cairo_boilerplate_mode_t mode,
void **closure)
{
xlib_target_closure_t *xtc;
Display *dpy;
*closure = xtc = xmalloc (sizeof (xlib_target_closure_t));
if (width == 0)
width = 1;
if (height == 0)
height = 1;
xtc->dpy = dpy = XOpenDisplay (NULL);
if (xtc->dpy == NULL) {
CAIRO_BOILERPLATE_LOG ("Failed to open display: %s\n", XDisplayName(0));
return NULL;
}
if (mode == CAIRO_BOILERPLATE_MODE_TEST)
return _cairo_boilerplate_xlib_test_create_surface (dpy, content, width, height, xtc);
else /* mode == CAIRO_BOILERPLATE_MODE_PERF */
return _cairo_boilerplate_xlib_perf_create_surface (dpy, content, width, height, xtc);
}
void
_cairo_boilerplate_xlib_cleanup (void *closure)
{
xlib_target_closure_t *xtc = closure;
if (xtc->drawable_is_pixmap)
XFreePixmap (xtc->dpy, xtc->drawable);
else
XDestroyWindow (xtc->dpy, xtc->drawable);
XCloseDisplay (xtc->dpy);
free (xtc);
}
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