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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 "rendercheck.h"
/* Test a composite of a given operation, source, mask, and destination picture.
* Fills the window, and samples from the 0,0 pixel corner.
*/
Bool
composite_test(Display *dpy, picture_info *win, picture_info *dst,
const int *op, int num_op,
const picture_info **src_color, int num_src,
const picture_info **mask_color, int num_mask,
const picture_info **dst_color, int num_dst,
Bool componentAlpha)
{
color4d expected, tested, tdst, tmsk;
char testname[40];
int i, s, m, d, iter;
int page, num_pages;
/* If the window is smaller than the number of sources to test,
* we need to break the sources up into pages.
*
* We however assume that the window will always be wider than num_ops.
*/
num_pages = num_src / win_height + 1;
for (d = 0; d < num_dst; d++) {
tdst = dst_color[d]->color;
color_correct(dst, &tdst);
for (m = 0; m < num_mask; m++) {
XRenderDirectFormat mask_acc;
int this_src, rem_src;
XImage *image;
if (componentAlpha) {
XRenderPictureAttributes pa;
pa.component_alpha = TRUE;
XRenderChangePicture(dpy, mask_color[m]->pict,
CPComponentAlpha, &pa);
}
rem_src = num_src;
for (page = 0; page < num_pages; page++) {
this_src = rem_src / (num_pages - page);
for (iter = 0; iter < pixmap_move_iter; iter++) {
XRenderComposite(dpy, PictOpSrc,
dst_color[d]->pict, 0, dst->pict,
0, 0,
0, 0,
0, 0,
num_op, this_src);
for (s = 0; s < this_src; s++) {
for (i = 0; i < num_op; i++)
XRenderComposite(dpy, ops[op[i]].op,
src_color[s]->pict,
mask_color[m]->pict,
dst->pict,
0, 0,
0, 0,
i, s,
1, 1);
}
}
if (componentAlpha) {
XRenderPictureAttributes pa;
pa.component_alpha = FALSE;
XRenderChangePicture(dpy, mask_color[m]->pict,
CPComponentAlpha, &pa);
}
image = XGetImage(dpy, dst->d,
0, 0, num_op, this_src,
0xffffffff, ZPixmap);
copy_pict_to_win(dpy, dst, win, win_width, win_height);
if (componentAlpha &&
mask_color[m]->format->direct.redMask == 0) {
/* Ax component-alpha masks expand alpha into
* all color channels.
* XXX: This should be located somewhere generic.
*/
tmsk.a = mask_color[m]->color.a;
tmsk.r = mask_color[m]->color.a;
tmsk.g = mask_color[m]->color.a;
tmsk.b = mask_color[m]->color.a;
} else
tmsk = mask_color[m]->color;
accuracy(&mask_acc,
&mask_color[m]->format->direct,
&dst_color[d]->format->direct);
accuracy(&mask_acc, &mask_acc, &dst->format->direct);
for (s = 0; s < this_src; s++) {
XRenderDirectFormat acc;
accuracy(&acc, &mask_acc, &src_color[s]->format->direct);
for (i = 0; i < num_op; i++) {
get_pixel_from_image(image, dst, i, s, &tested);
do_composite(ops[op[i]].op,
&src_color[s]->color, &tmsk, &tdst,
&expected, componentAlpha);
color_correct(dst, &expected);
if (eval_diff(&acc, &expected, &tested) > 3.) {
snprintf(testname, 40,
"%s %scomposite", ops[op[i]].name,
componentAlpha ? "CA " : "");
print_fail(testname, &expected, &tested, 0, 0,
eval_diff(&acc, &expected, &tested));
printf("src color: %.2f %.2f %.2f %.2f\n"
"msk color: %.2f %.2f %.2f %.2f\n"
"dst color: %.2f %.2f %.2f %.2f\n",
src_color[s]->color.r,
src_color[s]->color.g,
src_color[s]->color.b,
src_color[s]->color.a,
mask_color[m]->color.r,
mask_color[m]->color.g,
mask_color[m]->color.b,
mask_color[m]->color.a,
dst_color[d]->color.r,
dst_color[d]->color.g,
dst_color[d]->color.b,
dst_color[d]->color.a);
printf("src: %s, mask: %s, dst: %s\n",
src_color[s]->name,
mask_color[m]->name,
dst->name);
XDestroyImage(image);
return FALSE;
}
}
}
XDestroyImage(image);
rem_src -= this_src;
}
}
}
return TRUE;
}
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