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xf86-video-intel/test/present-speed.c

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/*
* Copyright (c) 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Xlib-xcb.h>
#include <X11/xshmfence.h>
#include <X11/Xutil.h>
#include <X11/Xlibint.h>
#include <X11/extensions/Xcomposite.h>
#include <X11/extensions/Xdamage.h>
#include <X11/extensions/dpms.h>
#include <X11/extensions/randr.h>
#include <X11/extensions/Xrandr.h>
#include <xcb/xcb.h>
#include <xcb/present.h>
#include <xcb/dri3.h>
#include <xcb/xfixes.h>
#include <xf86drm.h>
#include <i915_drm.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <assert.h>
#include <errno.h>
#include <setjmp.h>
#include <signal.h>
#include <sys/wait.h>
#include "dri3.h"
static int _x_error_occurred;
static uint32_t stamp;
struct list {
struct list *next, *prev;
};
static void
list_init(struct list *list)
{
list->next = list->prev = list;
}
static inline void
__list_add(struct list *entry,
struct list *prev,
struct list *next)
{
next->prev = entry;
entry->next = next;
entry->prev = prev;
prev->next = entry;
}
static inline void
list_add(struct list *entry, struct list *head)
{
__list_add(entry, head, head->next);
}
static inline void
__list_del(struct list *prev, struct list *next)
{
next->prev = prev;
prev->next = next;
}
static inline void
_list_del(struct list *entry)
{
__list_del(entry->prev, entry->next);
}
static inline void
list_move(struct list *list, struct list *head)
{
if (list->prev != head) {
_list_del(list);
list_add(list, head);
}
}
#define __container_of(ptr, sample, member) \
(void *)((char *)(ptr) - ((char *)&(sample)->member - (char *)(sample)))
#define list_for_each_entry(pos, head, member) \
for (pos = __container_of((head)->next, pos, member); \
&pos->member != (head); \
pos = __container_of(pos->member.next, pos, member))
static int
_check_error_handler(Display *display,
XErrorEvent *event)
{
if (_x_error_occurred < 0)
return True;
printf("X11 error from display %s, serial=%ld, error=%d, req=%d.%d\n",
DisplayString(display),
event->serial,
event->error_code,
event->request_code,
event->minor_code);
_x_error_occurred++;
return False; /* ignored */
}
static double elapsed(const struct timespec *start,
const struct timespec *end)
{
return 1e6*(end->tv_sec - start->tv_sec) + (end->tv_nsec - start->tv_nsec)/1000;
}
struct buffer {
struct list link;
Pixmap pixmap;
struct dri3_fence fence;
int fd;
int busy;
int id;
};
#define DRI3 1
#define NOCOPY 2
#define ASYNC 4
static void run(Display *dpy, Window win, const char *name, unsigned options)
{
xcb_connection_t *c = XGetXCBConnection(dpy);
struct timespec start, end;
#define N_BACK 8
char test_name[128];
struct buffer buffer[N_BACK];
struct list mru;
Window root;
unsigned int width, height;
unsigned border, depth;
unsigned present_flags = 0;
xcb_xfixes_region_t update = 0;
int completed = 0;
int queued = 0;
uint32_t eid = 0;
void *Q = NULL;
int i, n;
list_init(&mru);
XGetGeometry(dpy, win,
&root, &i, &n, &width, &height, &border, &depth);
_x_error_occurred = 0;
for (n = 0; n < N_BACK; n++) {
buffer[n].pixmap = xcb_generate_id(c);
xcb_create_pixmap(c, depth, buffer[n].pixmap, win,
width, height);
buffer[n].fence.xid = 0;
buffer[n].fd = -1;
buffer[n].id = n;
if (options & DRI3) {
xcb_dri3_buffer_from_pixmap_reply_t *reply;
int *fds;
if (dri3_create_fence(dpy, win, &buffer[n].fence))
return;
reply = xcb_dri3_buffer_from_pixmap_reply (c,
xcb_dri3_buffer_from_pixmap(c, buffer[n].pixmap),
NULL);
if (reply == NULL)
return;
fds = xcb_dri3_buffer_from_pixmap_reply_fds (c, reply);
buffer[n].fd = fds[0];
free(reply);
/* start idle */
xshmfence_trigger(buffer[n].fence.addr);
}
buffer[n].busy = 0;
list_add(&buffer[n].link, &mru);
}
if (options & ASYNC)
present_flags |= XCB_PRESENT_OPTION_ASYNC;
if (options & NOCOPY) {
update = xcb_generate_id(c);
xcb_xfixes_create_region(c, update, 0, NULL);
present_flags |= XCB_PRESENT_OPTION_COPY;
}
if (!(options & DRI3)) {
eid = xcb_generate_id(c);
xcb_present_select_input(c, eid, win,
(options & NOCOPY ? 0 : XCB_PRESENT_EVENT_MASK_IDLE_NOTIFY) |
XCB_PRESENT_EVENT_MASK_COMPLETE_NOTIFY);
Q = xcb_register_for_special_xge(c, &xcb_present_id, eid, &stamp);
}
clock_gettime(CLOCK_MONOTONIC, &start);
do {
for (n = 0; n < 1000; n++) {
struct buffer *tmp, *b = NULL;
retry:
list_for_each_entry(tmp, &mru, link) {
if (tmp->fence.xid)
tmp->busy = !xshmfence_query(tmp->fence.addr);
if (!tmp->busy) {
b = tmp;
break;
}
}
if (options & DRI3) {
if (b == NULL)
goto retry;
xshmfence_reset(b->fence.addr);
queued--;
completed++;
} else while (b == NULL) {
xcb_present_generic_event_t *ev;
ev = (xcb_present_generic_event_t *)
xcb_wait_for_special_event(c, Q);
if (ev == NULL)
abort();
do {
switch (ev->evtype) {
case XCB_PRESENT_COMPLETE_NOTIFY:
completed++;
queued--;
break;
case XCB_PRESENT_EVENT_IDLE_NOTIFY:
{
xcb_present_idle_notify_event_t *ie = (xcb_present_idle_notify_event_t *)ev;
assert(ie->serial < N_BACK);
buffer[ie->serial].busy = 0;
if (b == NULL)
b = &buffer[ie->serial];
break;
}
}
free(ev);
} while ((ev = (xcb_present_generic_event_t *)xcb_poll_for_special_event(c, Q)));
}
b->busy = (options & NOCOPY) == 0;
xcb_present_pixmap(c, win, b->pixmap, b->id,
0, /* valid */
update, /* update */
0, /* x_off */
0, /* y_off */
None,
None, /* wait fence */
b->fence.xid,
present_flags,
0, /* target msc */
0, /* divisor */
0, /* remainder */
0, NULL);
list_move(&b->link, &mru);
queued++;
xcb_flush(c);
}
clock_gettime(CLOCK_MONOTONIC, &end);
} while (end.tv_sec < start.tv_sec + 10);
if (options & DRI3) {
struct buffer *b;
XID pixmap;
pixmap = xcb_generate_id(c);
xcb_create_pixmap(c, depth, pixmap, win, width, height);
xcb_present_pixmap(c, win, pixmap, 0xdeadbeef,
0, /* valid */
None, /* update */
0, /* x_off */
0, /* y_off */
None,
None, /* wait fence */
None,
0,
0, /* target msc */
0, /* divisor */
0, /* remainder */
0, NULL);
xcb_flush(c);
list_for_each_entry(b, &mru, link)
xshmfence_await(b->fence.addr);
xcb_free_pixmap(c, pixmap);
completed += queued;
} else while (queued) {
xcb_present_generic_event_t *ev;
ev = (xcb_present_generic_event_t *)
xcb_wait_for_special_event(c, Q);
if (ev == NULL)
abort();
do {
switch (ev->evtype) {
case XCB_PRESENT_COMPLETE_NOTIFY:
completed++;
queued--;
break;
case XCB_PRESENT_EVENT_IDLE_NOTIFY:
break;
}
free(ev);
} while ((ev = (xcb_present_generic_event_t *)xcb_poll_for_special_event(c, Q)));
}
clock_gettime(CLOCK_MONOTONIC, &end);
if (update)
xcb_xfixes_destroy_region(c, update);
for (n = 0; n < N_BACK; n++) {
if (buffer[n].fence.xid)
dri3_fence_free(dpy, &buffer[n].fence);
if (buffer[n].fd != -1)
close(buffer[n].fd);
xcb_free_pixmap(c, buffer[n].pixmap);
}
if (Q) {
xcb_discard_reply(c, xcb_present_select_input_checked(c, eid, win, 0).sequence);
XSync(dpy, True);
xcb_unregister_for_special_event(c, Q);
}
test_name[0] = '\0';
if (options) {
snprintf(test_name, sizeof(test_name), "(%s%s%s )",
options & NOCOPY ? " no-copy" : "",
options & DRI3 ? " dri3" : "",
options & ASYNC ? " async" : "");
}
printf("%s%s: Completed %d presents in %.1fs, %.3fus each (%.1f FPS)\n",
name, test_name,
completed, elapsed(&start, &end) / 1000000,
elapsed(&start, &end) / completed,
completed / (elapsed(&start, &end) / 1000000));
}
struct perpixel {
Window win;
struct buffer buffer[N_BACK];
struct list mru;
uint32_t eid;
void *Q;
int queued;
};
static void perpixel(Display *dpy,
int max_width, int max_height, unsigned options)
{
//const int sz = max_width * max_height;
const int sz = 1048;
struct perpixel *pp;
xcb_connection_t *c = XGetXCBConnection(dpy);
struct timespec start, end;
char test_name[128];
unsigned present_flags = 0;
xcb_xfixes_region_t update = 0;
int completed = 0;
int i, n;
pp = calloc(sz, sizeof(*pp));
if (!pp)
return;
for (i = 0; i < sz; i++) {
XSetWindowAttributes attr = { .override_redirect = 1 };
int depth = DefaultDepth(dpy, DefaultScreen(dpy));
pp[i].win = XCreateWindow(dpy, DefaultRootWindow(dpy),
i % max_width, i / max_width, 1, 1, 0, depth,
InputOutput,
DefaultVisual(dpy, DefaultScreen(dpy)),
CWOverrideRedirect, &attr);
XMapWindow(dpy, pp[i].win);
list_init(&pp[i].mru);
for (n = 0; n < N_BACK; n++) {
pp[i].buffer[n].pixmap = xcb_generate_id(c);
xcb_create_pixmap(c, depth, pp[i].buffer[n].pixmap,
pp[i].win, 1, 1);
pp[i].buffer[n].fence.xid = 0;
pp[i].buffer[n].fd = -1;
pp[i].buffer[n].id = n;
if (options & DRI3) {
xcb_dri3_buffer_from_pixmap_reply_t *reply;
int *fds;
if (dri3_create_fence(dpy, pp[i].win, &pp[i].buffer[n].fence))
return;
reply = xcb_dri3_buffer_from_pixmap_reply(c,
xcb_dri3_buffer_from_pixmap(c, pp[i].buffer[n].pixmap),
NULL);
if (reply == NULL)
return;
fds = xcb_dri3_buffer_from_pixmap_reply_fds(c, reply);
pp[i].buffer[n].fd = fds[0];
free(reply);
/* start idle */
xshmfence_trigger(pp[i].buffer[n].fence.addr);
}
pp[i].buffer[n].busy = 0;
list_add(&pp[i].buffer[n].link, &pp[i].mru);
}
if (!(options & DRI3)) {
pp[i].eid = xcb_generate_id(c);
xcb_present_select_input(c, pp[i].eid, pp[i].win,
(options & NOCOPY ? 0 : XCB_PRESENT_EVENT_MASK_IDLE_NOTIFY) |
XCB_PRESENT_EVENT_MASK_COMPLETE_NOTIFY);
pp[i].Q = xcb_register_for_special_xge(c, &xcb_present_id, pp[i].eid, &stamp);
}
pp[i].queued = 0;
}
XSync(dpy, True);
_x_error_occurred = 0;
if (options & ASYNC)
present_flags |= XCB_PRESENT_OPTION_ASYNC;
if (options & NOCOPY) {
update = xcb_generate_id(c);
xcb_xfixes_create_region(c, update, 0, NULL);
present_flags |= XCB_PRESENT_OPTION_COPY;
}
clock_gettime(CLOCK_MONOTONIC, &start);
do {
for (i = 0; i < sz; i++) {
struct buffer *tmp, *b = NULL;
retry:
list_for_each_entry(tmp, &pp[i].mru, link) {
if (tmp->fence.xid)
tmp->busy = !xshmfence_query(tmp->fence.addr);
if (!tmp->busy) {
b = tmp;
break;
}
}
if (options & DRI3) {
if (b == NULL)
goto retry;
xshmfence_reset(b->fence.addr);
pp[i].queued--;
completed++;
} else while (b == NULL) {
xcb_present_generic_event_t *ev;
ev = (xcb_present_generic_event_t *)
xcb_wait_for_special_event(c, pp[i].Q);
if (ev == NULL)
abort();
do {
switch (ev->evtype) {
case XCB_PRESENT_COMPLETE_NOTIFY:
completed++;
pp[i].queued--;
break;
case XCB_PRESENT_EVENT_IDLE_NOTIFY:
{
xcb_present_idle_notify_event_t *ie = (xcb_present_idle_notify_event_t *)ev;
assert(ie->serial < N_BACK);
pp[i].buffer[ie->serial].busy = 0;
if (b == NULL)
b = &pp[i].buffer[ie->serial];
break;
}
}
free(ev);
} while ((ev = (xcb_present_generic_event_t *)xcb_poll_for_special_event(c, pp[i].Q)));
}
b->busy = (options & NOCOPY) == 0;
xcb_present_pixmap(c, pp[i].win, b->pixmap, b->id,
0, /* valid */
update, /* update */
0, /* x_off */
0, /* y_off */
None,
None, /* wait fence */
b->fence.xid,
present_flags,
0, /* target msc */
0, /* divisor */
0, /* remainder */
0, NULL);
list_move(&b->link, &pp[i].mru);
pp[i].queued++;
}
xcb_flush(c);
clock_gettime(CLOCK_MONOTONIC, &end);
} while (end.tv_sec < start.tv_sec + 10);
for (i = 0; i < sz; i++) {
if (options & DRI3) {
int depth = DefaultDepth(dpy, DefaultScreen(dpy));
struct buffer *b;
XID pixmap;
pixmap = xcb_generate_id(c);
xcb_create_pixmap(c, depth, pixmap, pp[i].win, 1, 1);
xcb_present_pixmap(c, pp[i].win, pixmap, 0xdeadbeef,
0, /* valid */
None, /* update */
0, /* x_off */
0, /* y_off */
None,
None, /* wait fence */
None,
0,
0, /* target msc */
0, /* divisor */
0, /* remainder */
0, NULL);
xcb_flush(c);
list_for_each_entry(b, &pp[i].mru, link)
xshmfence_await(b->fence.addr);
xcb_free_pixmap(c, pixmap);
completed += pp[i].queued;
} else while (pp[i].queued) {
xcb_present_generic_event_t *ev;
ev = (xcb_present_generic_event_t *)
xcb_wait_for_special_event(c, pp[i].Q);
if (ev == NULL)
abort();
do {
switch (ev->evtype) {
case XCB_PRESENT_COMPLETE_NOTIFY:
completed++;
pp[i].queued--;
break;
case XCB_PRESENT_EVENT_IDLE_NOTIFY:
break;
}
free(ev);
} while ((ev = (xcb_present_generic_event_t *)xcb_poll_for_special_event(c, pp[i].Q)));
}
}
clock_gettime(CLOCK_MONOTONIC, &end);
if (update)
xcb_xfixes_destroy_region(c, update);
for (i = 0; i < sz; i++) {
for (n = 0; n < N_BACK; n++) {
if (pp[i].buffer[n].fence.xid)
dri3_fence_free(dpy, &pp[i].buffer[n].fence);
if (pp[i].buffer[n].fd != -1)
close(pp[i].buffer[n].fd);
xcb_free_pixmap(c, pp[i].buffer[n].pixmap);
}
if (pp[i].Q) {
xcb_discard_reply(c, xcb_present_select_input_checked(c, pp[i].eid, pp[i].win, 0).sequence);
XSync(dpy, True);
xcb_unregister_for_special_event(c, pp[i].Q);
}
XDestroyWindow(dpy, pp[i].win);
}
free(pp);
test_name[0] = '\0';
if (options) {
snprintf(test_name, sizeof(test_name), "(%s%s%s )",
options & NOCOPY ? " no-copy" : "",
options & DRI3 ? " dri3" : "",
options & ASYNC ? " async" : "");
}
printf("%s%s: Completed %d presents in %.1fs, %.3fus each (%.1f FPS)\n",
__func__, test_name,
completed, elapsed(&start, &end) / 1000000,
elapsed(&start, &end) / completed,
completed / (elapsed(&start, &end) / 1000000));
}
static int isqrt(int x)
{
int i;
for (i = 2; i*i < x; i++)
;
return i;
}
struct sibling {
pthread_t thread;
Display *dpy;
int x, y;
int width, height;
unsigned options;
};
static void *sibling(void *arg)
{
struct sibling *s = arg;
XSetWindowAttributes attr = { .override_redirect = 1 };
Window win = XCreateWindow(s->dpy, DefaultRootWindow(s->dpy),
s->x, s->y, s->width, s->height, 0,
DefaultDepth(s->dpy, DefaultScreen(s->dpy)),
InputOutput,
DefaultVisual(s->dpy, DefaultScreen(s->dpy)),
CWOverrideRedirect, &attr);
XMapWindow(s->dpy, win);
run(s->dpy, win, "sibling", s->options);
return NULL;
}
static void siblings(Display *dpy,
int max_width, int max_height, int ncpus, unsigned options)
{
int sq_ncpus = isqrt(ncpus);
int width = max_width / sq_ncpus;
int height = max_height/ sq_ncpus;
struct sibling s[ncpus];
int child;
if (ncpus <= 1)
return;
for (child = 0; child < ncpus; child++) {
s[child].dpy = dpy;
s[child].x = (child % sq_ncpus) * width;
s[child].y = (child / sq_ncpus) * height;
s[child].width = width;
s[child].height = height;
s[child].options = options;
pthread_create(&s[child].thread, NULL, sibling, &s[child]);
}
for (child = 0; child < ncpus; child++)
pthread_join(s[child].thread, NULL);
}
static void cousins(int max_width, int max_height, int ncpus, unsigned options)
{
int sq_ncpus = isqrt(ncpus);
int width = max_width / sq_ncpus;
int height = max_height/ sq_ncpus;
int child;
if (ncpus <= 1)
return;
for (child = 0; child < ncpus; child++) {
for (; fork() == 0; exit(0)) {
int x = (child % sq_ncpus) * width;
int y = (child / sq_ncpus) * height;
XSetWindowAttributes attr = { .override_redirect = 1 };
Display *dpy = XOpenDisplay(NULL);
Window win = XCreateWindow(dpy, DefaultRootWindow(dpy),
x, y, width, height, 0,
DefaultDepth(dpy, DefaultScreen(dpy)),
InputOutput,
DefaultVisual(dpy, DefaultScreen(dpy)),
CWOverrideRedirect, &attr);
XMapWindow(dpy, win);
run(dpy, win, "cousin", options);
}
}
while (child) {
int status = -1;
pid_t pid = wait(&status);
if (pid == -1)
continue;
child--;
}
}
static int has_present(Display *dpy)
{
xcb_connection_t *c = XGetXCBConnection(dpy);
xcb_generic_error_t *error = NULL;
void *reply;
reply = xcb_present_query_version_reply(c,
xcb_present_query_version(c,
XCB_PRESENT_MAJOR_VERSION,
XCB_PRESENT_MINOR_VERSION),
&error);
free(reply);
free(error);
if (reply == NULL) {
fprintf(stderr, "Present not supported on %s\n", DisplayString(dpy));
return 0;
}
return 1;
}
static int has_composite(Display *dpy)
{
int event, error;
int major, minor;
if (!XDamageQueryExtension (dpy, &event, &error))
return 0;
if (!XCompositeQueryExtension(dpy, &event, &error))
return 0;
XCompositeQueryVersion(dpy, &major, &minor);
return major > 0 || minor >= 4;
}
static int dri3_query_version(Display *dpy, int *major, int *minor)
{
xcb_connection_t *c = XGetXCBConnection(dpy);
xcb_dri3_query_version_reply_t *reply;
xcb_generic_error_t *error;
*major = *minor = -1;
reply = xcb_dri3_query_version_reply(c,
xcb_dri3_query_version(c,
XCB_DRI3_MAJOR_VERSION,
XCB_DRI3_MINOR_VERSION),
&error);
free(error);
if (reply == NULL)
return -1;
*major = reply->major_version;
*minor = reply->minor_version;
free(reply);
return 0;
}
static int has_dri3(Display *dpy)
{
const xcb_query_extension_reply_t *ext;
int major, minor;
ext = xcb_get_extension_data(XGetXCBConnection(dpy), &xcb_dri3_id);
if (ext == NULL || !ext->present)
return 0;
if (dri3_query_version(dpy, &major, &minor) < 0)
return 0;
return major >= 0;
}
static int has_xfixes(Display *dpy)
{
xcb_connection_t *c = XGetXCBConnection(dpy);
const xcb_query_extension_reply_t *ext;
void *reply;
ext = xcb_get_extension_data(c, &xcb_xfixes_id);
if (ext == NULL || !ext->present)
return 0;
reply = xcb_xfixes_query_version_reply(c,
xcb_xfixes_query_version(c,
XCB_XFIXES_MAJOR_VERSION,
XCB_XFIXES_MINOR_VERSION),
NULL);
free(reply);
return reply != NULL;
}
static inline XRRScreenResources *_XRRGetScreenResourcesCurrent(Display *dpy, Window window)
{
XRRScreenResources *res;
res = XRRGetScreenResourcesCurrent(dpy, window);
if (res == NULL)
res = XRRGetScreenResources(dpy, window);
return res;
}
static XRRModeInfo *lookup_mode(XRRScreenResources *res, int id)
{
int i;
for (i = 0; i < res->nmode; i++) {
if (res->modes[i].id == id)
return &res->modes[i];
}
return NULL;
}
static void fullscreen(Display *dpy, Window win)
{
Atom atom = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
XChangeProperty(dpy, win,
XInternAtom(dpy, "_NET_WM_STATE", False),
XA_ATOM, 32, PropModeReplace,
(unsigned char *)&atom, 1);
}
static void loop(Display *dpy, XRRScreenResources *res, unsigned options)
{
Window root = DefaultRootWindow(dpy);
Window win;
XSetWindowAttributes attr;
int i, j;
attr.override_redirect = 1;
run(dpy, root, "off", options);
XSync(dpy, True);
for (i = 0; i < res->noutput; i++) {
XRROutputInfo *output;
XRRModeInfo *mode;
output = XRRGetOutputInfo(dpy, res, res->outputs[i]);
if (output == NULL)
continue;
mode = NULL;
if (res->nmode)
mode = lookup_mode(res, output->modes[0]);
for (j = 0; mode && j < 2*output->ncrtc; j++) {
int c = j;
if (c >= output->ncrtc)
c = 2*output->ncrtc - j - 1;
printf("[%d, %d] -- OUTPUT:%ld, CRTC:%ld: %dx%d\n",
i, c, (long)res->outputs[i], (long)output->crtcs[c],
mode->width, mode->height);
XRRSetCrtcConfig(dpy, res, output->crtcs[c], CurrentTime,
0, 0, output->modes[0], RR_Rotate_0, &res->outputs[i], 1);
run(dpy, root, "root", options);
XSync(dpy, True);
win = XCreateWindow(dpy, root,
0, 0, mode->width, mode->height, 0,
DefaultDepth(dpy, DefaultScreen(dpy)),
InputOutput,
DefaultVisual(dpy, DefaultScreen(dpy)),
CWOverrideRedirect, &attr);
fullscreen(dpy, win);
XMapWindow(dpy, win);
run(dpy, win, "fullscreen", options);
XDestroyWindow(dpy, win);
XSync(dpy, True);
win = XCreateWindow(dpy, root,
0, 0, mode->width, mode->height, 0,
DefaultDepth(dpy, DefaultScreen(dpy)),
InputOutput,
DefaultVisual(dpy, DefaultScreen(dpy)),
CWOverrideRedirect, &attr);
XMapWindow(dpy, win);
run(dpy, win, "windowed", options);
XDestroyWindow(dpy, win);
XSync(dpy, True);
if (has_composite(dpy)) {
Damage damage;
_x_error_occurred = 0;
win = XCreateWindow(dpy, root,
0, 0, mode->width, mode->height, 0,
DefaultDepth(dpy, DefaultScreen(dpy)),
InputOutput,
DefaultVisual(dpy, DefaultScreen(dpy)),
CWOverrideRedirect, &attr);
XCompositeRedirectWindow(dpy, win, CompositeRedirectManual);
damage = XDamageCreate(dpy, win, XDamageReportNonEmpty);
XMapWindow(dpy, win);
XSync(dpy, True);
if (!_x_error_occurred)
run(dpy, win, "composited", options);
XDamageDestroy(dpy, damage);
XDestroyWindow(dpy, win);
XSync(dpy, True);
}
win = XCreateWindow(dpy, root,
0, 0, mode->width/2, mode->height/2, 0,
DefaultDepth(dpy, DefaultScreen(dpy)),
InputOutput,
DefaultVisual(dpy, DefaultScreen(dpy)),
CWOverrideRedirect, &attr);
XMapWindow(dpy, win);
run(dpy, win, "half", options);
XDestroyWindow(dpy, win);
XSync(dpy, True);
perpixel(dpy, mode->width, mode->height, options);
siblings(dpy, mode->width, mode->height,
sysconf(_SC_NPROCESSORS_ONLN),
options);
cousins(mode->width, mode->height,
sysconf(_SC_NPROCESSORS_ONLN),
options);
XRRSetCrtcConfig(dpy, res, output->crtcs[c], CurrentTime,
0, 0, None, RR_Rotate_0, NULL, 0);
}
XRRFreeOutputInfo(output);
}
}
int main(void)
{
Display *dpy;
XRRScreenResources *res;
XRRCrtcInfo **original_crtc;
int i;
XInitThreads();
dpy = XOpenDisplay(NULL);
if (dpy == NULL)
return 77;
if (!has_present(dpy))
return 77;
if (DPMSQueryExtension(dpy, &i, &i))
DPMSDisable(dpy);
signal(SIGALRM, SIG_IGN);
XSetErrorHandler(_check_error_handler);
res = NULL;
if (XRRQueryVersion(dpy, &i, &i))
res = _XRRGetScreenResourcesCurrent(dpy, DefaultRootWindow(dpy));
if (res == NULL)
return 77;
original_crtc = malloc(sizeof(XRRCrtcInfo *)*res->ncrtc);
for (i = 0; i < res->ncrtc; i++)
original_crtc[i] = XRRGetCrtcInfo(dpy, res, res->crtcs[i]);
printf("noutput=%d, ncrtc=%d\n", res->noutput, res->ncrtc);
for (i = 0; i < res->ncrtc; i++)
XRRSetCrtcConfig(dpy, res, res->crtcs[i], CurrentTime,
0, 0, None, RR_Rotate_0, NULL, 0);
loop(dpy, res, 0);
loop(dpy, res, ASYNC);
if (has_xfixes(dpy))
loop(dpy, res, NOCOPY);
if (has_dri3(dpy)) {
loop(dpy, res, DRI3);
loop(dpy, res, DRI3 | ASYNC);
}
for (i = 0; i < res->ncrtc; i++)
XRRSetCrtcConfig(dpy, res, res->crtcs[i], CurrentTime,
original_crtc[i]->x,
original_crtc[i]->y,
original_crtc[i]->mode,
original_crtc[i]->rotation,
original_crtc[i]->outputs,
original_crtc[i]->noutput);
if (DPMSQueryExtension(dpy, &i, &i))
DPMSEnable(dpy);
return 0;
}
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