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#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <X11/Xutil.h> /* for XDestroyImage */
#include "test.h"
#define SIZE 20000
struct draw {
Pixmap a, b;
Picture pa, pb;
GC gc;
XRenderPictFormat *format;
};
static void target_init(struct test_display *t, struct draw *tt, int size)
{
XRenderColor color;
tt->format = XRenderFindStandardFormat(t->dpy, PictStandardARGB32);
tt->a = XCreatePixmap(t->dpy, DefaultRootWindow(t->dpy),
size, size, tt->format->depth);
tt->pa = XRenderCreatePicture(t->dpy, tt->a, tt->format, 0, NULL);
color.alpha = 0xffff;
color.red = 0xffff;
color.green = 0;
color.blue = 0;
XRenderFillRectangle(t->dpy, PictOpSrc, tt->pa, &color, 0, 0, size, size);
tt->b = XCreatePixmap(t->dpy, DefaultRootWindow(t->dpy),
size, size, tt->format->depth);
tt->pb = XRenderCreatePicture(t->dpy, tt->b, tt->format, 0, NULL);
color.alpha = 0xffff;
color.red = 0;
color.green = 0;
color.blue = 0xffff;
XRenderFillRectangle(t->dpy, PictOpSrc, tt->pb, &color, 0, 0, size, size);
}
static void target_fini(struct test_display *t, struct draw *tt)
{
XRenderFreePicture(t->dpy, tt->pa);
XFreePixmap(t->dpy, tt->a);
XRenderFreePicture(t->dpy, tt->pb);
XFreePixmap(t->dpy, tt->b);
}
int main(int argc, char **argv)
{
struct test test;
struct draw real, ref;
int size, i;
test_init(&test, argc, argv);
/* Copy back and forth betwenn two pixmaps, gradually getting larger */
for (size = 1; size <= SIZE; size = (size * 3 + 1) / 2) {
target_init(&test.real, &real, size);
target_init(&test.ref, &ref, size);
printf("size=%d\n", size);
for (i = 0; i <= DEFAULT_ITERATIONS; i++) {
int reps = 1 << i;
do {
int sx = rand() % (2*size) - size;
int sy = rand() % (2*size) - size;
int dx = rand() % (2*size) - size;
int dy = rand() % (2*size) - size;
int w = rand() % size;
int h = rand() % size;
int order = rand() & 1;
XRenderComposite(test.real.dpy, PictOpSrc,
order ? real.pa : real.pb,
0,
(!order) ? real.pa : real.pb,
sx, sy,
0, 0,
dx, dy,
w, h);
XRenderComposite(test.ref.dpy, PictOpSrc,
order ? ref.pa : ref.pb,
0,
(!order) ? ref.pa : ref.pb,
sx, sy,
0, 0,
dx, dy,
w, h);
} while (--reps);
}
test_compare(&test,
real.a, real.format,
ref.a, ref.format,
0, 0, size, size);
test_compare(&test,
real.b, real.format,
ref.b, ref.format,
0, 0, size, size);
target_fini(&test.real, &real);
target_fini(&test.ref, &ref);
}
return 0;
}
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