/* 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;
/* 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);
else
cairo_boilerplate_xlib_surface_disable_render (surface);
_cairo_boilerplate_xlib_setup_test_surface(surface);
return surface;
}
static cairo_test_status_t
do_test (const cairo_test_context_t *ctx,
Display *dpy,
unsigned char *reference_data,
unsigned char *test_data,
unsigned char *diff_data,
cairo_bool_t use_render,
cairo_bool_t use_pixmap,
cairo_bool_t set_size,
cairo_bool_t offscreen)
{
cairo_surface_t *surface;
cairo_surface_t *test_surface;
cairo_t *test_cr;
buffer_diff_result_t result;
Drawable drawable;
int screen = DefaultScreen (dpy);
if (use_pixmap && offscreen)
return CAIRO_TEST_SUCCESS;
if (use_pixmap) {
drawable = XCreatePixmap (dpy, DefaultRootWindow (dpy),
SIZE, SIZE, DefaultDepth (dpy, screen));
} else {
XSetWindowAttributes xwa;
int x, y;
xwa.override_redirect = True;
if (offscreen) {
x = - OFFSCREEN_OFFSET;
y = - OFFSCREEN_OFFSET;
} else {
x = 0;
y = 0;
}
drawable = XCreateWindow (dpy, DefaultRootWindow (dpy),
x, y, SIZE, SIZE, 0,
DefaultDepth (dpy, screen), InputOutput,
DefaultVisual (dpy, screen),
CWOverrideRedirect, &xwa);
XMapWindow (dpy, drawable);
}
surface = cairo_xlib_surface_create (dpy,
drawable,
DefaultVisual (dpy, screen),
SIZE, SIZE);
if (! surface_compare_visual_and_format (surface))
return CAIRO_TEST_FAILURE;
if (!use_render)
cairo_boilerplate_xlib_surface_disable_render (surface);
if (set_size) {
cairo_xlib_surface_set_size (surface, SIZE, SIZE);
if (cairo_xlib_surface_get_width (surface) != SIZE ||
cairo_xlib_surface_get_height (surface) != SIZE)
return CAIRO_TEST_FAILURE;
}
if (! check_similar_visual_and_format (surface))
return CAIRO_TEST_FAILURE;
draw_pattern (surface);
test_surface = cairo_image_surface_create_for_data (test_data,
CAIRO_FORMAT_RGB24,
SIZE, SIZE,
SIZE * 4);
test_cr = cairo_create (test_surface);
cairo_set_source_surface (test_cr, surface, 0, 0);
cairo_paint (test_cr);
cairo_destroy (test_cr);
cairo_surface_destroy (test_surface);
/* We erase the surface to black in case we get the same
* memory back again for the pixmap case.
*/
erase_pattern (surface);
cairo_surface_destroy (surface);
if (use_pixmap)
XFreePixmap (dpy, drawable);
else
XDestroyWindow (dpy, drawable);
if (offscreen) {
size_t offset = 4 * (SIZE * OFFSCREEN_OFFSET + OFFSCREEN_OFFSET);
buffer_diff_noalpha (reference_data + offset,
test_data + offset,
diff_data + offset,
SIZE - OFFSCREEN_OFFSET,
SIZE - OFFSCREEN_OFFSET,
4 * SIZE,
&result);
} else {
buffer_diff_noalpha (reference_data,
test_data,
diff_data,
SIZE,
SIZE,
4 * SIZE,
&result);
}
cairo_test_log (ctx, "xlib-surface: %s, %s, %s%s: %s\n",
use_render ? " render" : "no-render",
set_size ? " size" : "no-size",
use_pixmap ? "pixmap" : "window",
use_pixmap ?
" " :
(offscreen ? ", offscreen" : ", onscreen"),
image_diff_is_failure (&result, 0) ? "FAIL" : "PASS");
if (image_diff_is_failure (&result, 0))
return CAIRO_TEST_FAILURE;
else
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
preamble (cairo_test_context_t *ctx)
{
Display *dpy;
XRenderPictFormat *orig_format, *format;
cairo_surface_t *surface;
Pixmap pixmap;
int screen;
cairo_test_status_t result;
result = CAIRO_TEST_UNTESTED;
if (! cairo_test_is_target_enabled (ctx, "xlib"))
goto CLEANUP_TEST;
dpy = XOpenDisplay (NULL);
if (! dpy) {
cairo_test_log (ctx, "Error: Cannot open display: %s, skipping.\n",
XDisplayName (NULL));
goto CLEANUP_TEST;
}
result = CAIRO_TEST_FAILURE;
screen = DefaultScreen (dpy);
cairo_test_log (ctx, "Testing with image surface.\n");
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1);
format = cairo_xlib_surface_get_xrender_format (surface);
if (format != NULL) {
cairo_test_log (ctx, "Error: expected NULL for image surface\n");
goto CLEANUP_SURFACE;
}
cairo_surface_destroy (surface);
cairo_test_log (ctx, "Testing with non-xrender xlib surface.\n");
pixmap = XCreatePixmap (dpy, DefaultRootWindow (dpy),
1, 1, DefaultDepth (dpy, screen));
surface = cairo_xlib_surface_create (dpy, pixmap,
DefaultVisual (dpy, screen),
1, 1);
orig_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
format = cairo_xlib_surface_get_xrender_format (surface);
if (format != orig_format) {
cairo_test_log (ctx, "Error: did not receive the same format as XRenderFindVisualFormat\n");
goto CLEANUP_PIXMAP;
}
cairo_surface_destroy (surface);
XFreePixmap (dpy, pixmap);
cairo_test_log (ctx, "Testing with xlib xrender surface.\n");
orig_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
pixmap = XCreatePixmap (dpy, DefaultRootWindow (dpy),
1, 1, 32);
surface = cairo_xlib_surface_create_with_xrender_format (dpy,
pixmap,
DefaultScreenOfDisplay (dpy),
orig_format,
1, 1);
format = cairo_xlib_surface_get_xrender_format (surface);
if (format != orig_format) {
cairo_test_log (ctx, "Error: did not receive the same format originally set\n");
goto CLEANUP_PIXMAP;
}
cairo_test_log (ctx, "Testing without the X Render extension.\n");
cairo_boilerplate_xlib_surface_disable_render (surface);
format = cairo_xlib_surface_get_xrender_format (surface);
if (format != NULL) {
cairo_test_log (ctx, "Error: did not receive a NULL format as expected\n");
goto CLEANUP_PIXMAP;
}
result = CAIRO_TEST_SUCCESS;
CLEANUP_PIXMAP:
XFreePixmap (dpy, pixmap);
CLEANUP_SURFACE:
cairo_surface_destroy (surface);
XCloseDisplay (dpy);
CLEANUP_TEST:
return result;
}
