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#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "test.h"
enum edge {
EDGE_SHARP = PolyEdgeSharp,
EDGE_SMOOTH,
};
static void set_edge(Display *dpy, Picture p, enum edge edge)
{
XRenderPictureAttributes a;
a.poly_edge = edge;
XRenderChangePicture(dpy, p, CPPolyEdge, &a);
}
static XRenderPictFormat *mask_format(Display *dpy, enum mask mask)
{
switch (mask) {
default:
case MASK_NONE: return NULL;
case MASK_A1: return XRenderFindStandardFormat(dpy, PictStandardA1);
case MASK_A8: return XRenderFindStandardFormat(dpy, PictStandardA8);
}
}
static const char *mask_name(enum mask mask)
{
switch (mask) {
default:
case MASK_NONE: return "none";
case MASK_A1: return "a1";
case MASK_A8: return "a8";
}
}
static const char *edge_name(enum edge edge)
{
switch (edge) {
default:
case EDGE_SHARP: return "sharp";
case EDGE_SMOOTH: return "smooth";
}
}
static void clear(struct test_display *dpy, struct test_target *tt)
{
XRenderColor render_color = {0};
XRenderFillRectangle(dpy->dpy, PictOpClear, tt->picture, &render_color,
0, 0, tt->width, tt->height);
}
static void step_to_point(int step, int width, int height, XPointFixed *p)
{
do {
p->x = (step - 64) << 16;
p->y = -64 << 16;
step -= width - 128;
if (step <= 0)
return;
p->x = (width + 64) << 16;
p->y = (step - 64) << 16;
step -= height - 128;
if (step <= 0)
return;
p->x = (width + 64 - step) << 16;
p->y = (height + 64) << 16;
step -= width - 128;
if (step <= 0)
return;
p->x = -64 << 16;
p->y = (height + 64 - step) << 16;
step -= height - 128;
} while (step > 0);
}
static void edge_test(struct test *t,
enum mask mask,
enum edge edge,
enum target target)
{
struct test_target out, ref;
XRenderColor white = { 0xffff, 0xffff, 0xffff, 0xffff };
Picture src_ref, src_out;
XTriangle tri;
unsigned step, max;
test_target_create_render(&t->out, target, &out);
set_edge(t->out.dpy, out.picture, edge);
src_out = XRenderCreateSolidFill(t->out.dpy, &white);
test_target_create_render(&t->ref, target, &ref);
set_edge(t->ref.dpy, ref.picture, edge);
src_ref = XRenderCreateSolidFill(t->ref.dpy, &white);
printf("Testing edges (with mask %s and %s edges) (%s): ",
mask_name(mask),
edge_name(edge),
test_target_name(target));
fflush(stdout);
max = 2*(out.width + 128 + out.height+128);
step = 0;
for (step = 0; step <= max; step++) {
char buf[80];
step_to_point(step, out.width, out.height, &tri.p1);
step_to_point(step + out.width + 128,
out.width, out.height,
&tri.p2);
step_to_point(step + out.height + 128 + 2*(out.width + 128),
out.width, out.height,
&tri.p3);
sprintf(buf,
"tri=((%d, %d), (%d, %d), (%d, %d))\n",
tri.p1.x >> 16, tri.p1.y >> 16,
tri.p2.x >> 16, tri.p2.y >> 16,
tri.p3.x >> 16, tri.p3.y >> 16);
clear(&t->out, &out);
XRenderCompositeTriangles(t->out.dpy,
PictOpSrc,
src_out,
out.picture,
mask_format(t->out.dpy, mask),
0, 0,
&tri, 1);
clear(&t->ref, &ref);
XRenderCompositeTriangles(t->ref.dpy,
PictOpSrc,
src_ref,
ref.picture,
mask_format(t->ref.dpy, mask),
0, 0,
&tri, 1);
test_compare(t,
out.draw, out.format,
ref.draw, ref.format,
0, 0, out.width, out.height,
buf);
}
XRenderFreePicture(t->out.dpy, src_out);
test_target_destroy_render(&t->out, &out);
XRenderFreePicture(t->ref.dpy, src_ref);
test_target_destroy_render(&t->ref, &ref);
printf("pass\n");
}
int main(int argc, char **argv)
{
struct test test;
enum target target;
enum mask mask;
enum edge edge;
test_init(&test, argc, argv);
for (target = TARGET_FIRST; target <= TARGET_LAST; target++) {
for (mask = MASK_NONE; mask <= MASK_A8; mask++)
for (edge = EDGE_SHARP; edge <= EDGE_SMOOTH; edge++)
edge_test(&test, mask, edge, target);
}
return 0;
}
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