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/*
* Copyright © 2005 Eric Anholt
*
* 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 Eric Anholt not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Eric Anholt makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ERIC ANHOLT 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include "rendercheck.h"
/* Originally a bullseye, this pattern has been modified so that flipping
* will result in errors as well.
*/
static int target_colors[5][5] = {
{1, 1, 1, 1, 1},
{1, 0, 0, 0, 1},
{1, 1, 1, 0, 1},
{1, 0, 0, 1, 1},
{1, 1, 1, 1, 1},
};
static picture_info *create_target_picture(Display *dpy)
{
picture_info *p;
int i;
p = malloc(sizeof(picture_info));
p->d = XCreatePixmap(dpy, DefaultRootWindow(dpy), 5, 5, 32);
p->format = XRenderFindStandardFormat(dpy, PictStandardARGB32);
p->pict = XRenderCreatePicture(dpy, p->d, p->format, 0, NULL);
p->name = (char *)"target picture";
for (i = 0; i < 25; i++) {
int x = i % 5;
int y = i / 5;
color4d *c = &colors[target_colors[x][y]];
argb_fill(dpy, p, x, y, 1, 1, c->a, c->r, c->g, c->b);
}
return p;
}
static void destroy_target_picture(Display *dpy, picture_info *p)
{
XRenderFreePicture(dpy, p->pict);
XFreePixmap(dpy, p->d);
free(p);
}
/* Test source or mask coordinates by drawing from a 5x5 picture into the 0,0
* pixel.
* XXX: Something besides PictOpSrc should also be used, at least in the
* !test_mask case, to avoid getting CopyArea acceleration (easy to implement)
* rather than a more general Composite implementation.
*/
Bool
srccoords_test(Display *dpy, picture_info *win, picture_info *white,
Bool test_mask)
{
color4d expected, tested;
int i;
XRenderPictureAttributes pa;
Bool failed = FALSE;
int tested_colors[5][5];
picture_info *src;
src = create_target_picture(dpy);
if (src == NULL) {
fprintf(stderr, "couldn't allocate picture for test\n");
return FALSE;
}
for (i = 0; i < 25; i++) {
int x = i % 5, y = i / 5;
if (!test_mask)
XRenderComposite(dpy, PictOpSrc, src->pict, 0,
win->pict, x, y, 0, 0, 0, 0, 1, 1);
else {
/* Using PictOpSrc, color 0 (white), and component
* alpha, the mask color should be written to the
* destination.
*/
pa.component_alpha = TRUE;
XRenderChangePicture(dpy, src->pict, CPComponentAlpha,
&pa);
XRenderComposite(dpy, PictOpSrc, white->pict, src->pict,
win->pict, 0, 0, x, y, 0, 0, 1, 1);
pa.component_alpha = FALSE;
XRenderChangePicture(dpy, src->pict, CPComponentAlpha,
&pa);
}
get_pixel(dpy, win, 0, 0, &tested);
expected = colors[target_colors[x][y]];
color_correct(win, &expected);
if (tested.r == 1.0) {
if (tested.g == 1.0 && tested.b == 1.0)
tested_colors[x][y] = 0;
else if (tested.g == 0.0 && tested.b == 0.0)
tested_colors[x][y] = 1;
else tested_colors[x][y] = 9;
} else
tested_colors[x][y] = 9;
if (eval_diff(&win->format->direct, &expected, &tested) > 2.) {
print_fail(test_mask ? "mask coords" : "src coords",
&expected, &tested, x, y,
eval_diff(&win->format->direct, &expected, &tested));
failed = TRUE;
}
}
if (failed) {
int j;
printf("expected vs tested:\n");
for (i = 0; i < 5; i++) {
for (j = 0; j < 5; j++)
printf("%d", target_colors[j][i]);
printf(" ");
for (j = 0; j < 5; j++)
printf("%d", tested_colors[j][i]);
printf("\n");
}
}
destroy_target_picture(dpy, src);
return !failed;
}
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