void
dispbox()
{
if (g_box_count)
{
setlinemode(1);
drawline(g_box_x[0], g_box_y[0], g_box_x[1], g_box_y[1]);
drawline(g_box_x[1], g_box_y[1], g_box_x[2], g_box_y[2]);
drawline(g_box_x[2], g_box_y[2], g_box_x[3], g_box_y[3]);
drawline(g_box_x[3], g_box_y[3], g_box_x[0], g_box_y[0]);
setlinemode(0);
xsync();
}
}
static void run(Display *dpy, int width, int height,
unsigned int *attachments, int nattachments,
const char *name)
{
Window win;
XSetWindowAttributes attr;
int count;
DRI2Buffer *buffers;
struct timespec start, end;
/* Be nasty and install a fullscreen window on top so that we
* can guarantee we do not get clipped by children.
*/
attr.override_redirect = 1;
win = XCreateWindow(dpy, DefaultRootWindow(dpy),
0, 0, width, height, 0,
DefaultDepth(dpy, DefaultScreen(dpy)),
InputOutput,
DefaultVisual(dpy, DefaultScreen(dpy)),
CWOverrideRedirect, &attr);
XMapWindow(dpy, win);
xsync(dpy, win);
DRI2CreateDrawable(dpy, win);
buffers = DRI2GetBuffers(dpy, win, &width, &height,
attachments, nattachments, &count);
if (count != nattachments)
return;
xsync(dpy, win);
clock_gettime(CLOCK_MONOTONIC, &start);
for (count = 0; count < COUNT; count++)
DRI2SwapBuffers(dpy, win, 0, 0, 0);
xsync(dpy, win);
clock_gettime(CLOCK_MONOTONIC, &end);
printf("%d %s (%dx%d) swaps in %fs.\n",
count, name, width, height, elapsed(&start, &end));
xsync(dpy, win);
clock_gettime(CLOCK_MONOTONIC, &start);
for (count = 0; count < COUNT; count++)
dri2_copy_swap(dpy, win, width, height, nattachments == 2);
xsync(dpy, win);
clock_gettime(CLOCK_MONOTONIC, &end);
printf("%d %s (%dx%d) blits in %fs.\n",
count, name, width, height, elapsed(&start, &end));
DRI2SwapInterval(dpy, win, 0);
xsync(dpy, win);
clock_gettime(CLOCK_MONOTONIC, &start);
for (count = 0; count < COUNT; count++)
DRI2SwapBuffers(dpy, win, 0, 0, 0);
xsync(dpy, win);
clock_gettime(CLOCK_MONOTONIC, &end);
printf("%d %s (%dx%d) vblank=0 swaps in %fs.\n",
count, name, width, height, elapsed(&start, &end));
XDestroyWindow(dpy, win);
free(buffers);
XSync(dpy, 1);
}
