485 lines
11 KiB
C
485 lines
11 KiB
C
/*
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* Copyright (c) 2014 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <X11/Xlib.h>
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#include <X11/Xlib-xcb.h>
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#include <X11/xshmfence.h>
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#include <X11/Xutil.h>
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#include <X11/Xlibint.h>
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#include <X11/extensions/dpms.h>
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#include <X11/extensions/randr.h>
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#include <X11/extensions/Xcomposite.h>
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#include <X11/extensions/Xrandr.h>
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#include <X11/extensions/Xrender.h>
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#include <X11/extensions/XShm.h>
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#if HAVE_X11_EXTENSIONS_SHMPROTO_H
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#include <X11/extensions/shmproto.h>
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#elif HAVE_X11_EXTENSIONS_SHMSTR_H
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#include <X11/extensions/shmstr.h>
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#else
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#error Failed to find the right header for X11 MIT-SHM protocol definitions
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#endif
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#include <xcb/xcb.h>
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#include <xcb/present.h>
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#include <xcb/xfixes.h>
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#include <xcb/dri3.h>
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#include <xf86drm.h>
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#include <i915_drm.h>
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#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <assert.h>
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#include <errno.h>
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#include <setjmp.h>
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#include <signal.h>
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#include <sys/mman.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <pciaccess.h>
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#include "dri3.h"
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static int _x_error_occurred;
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static uint32_t stamp;
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static int
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_check_error_handler(Display *display,
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XErrorEvent *event)
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{
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printf("X11 error from display %s, serial=%ld, error=%d, req=%d.%d\n",
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DisplayString(display),
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event->serial,
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event->error_code,
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event->request_code,
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event->minor_code);
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_x_error_occurred++;
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return False; /* ignored */
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}
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static int has_composite(Display *dpy)
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{
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int event, error;
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int major, minor;
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if (!XCompositeQueryExtension(dpy, &event, &error))
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return 0;
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XCompositeQueryVersion(dpy, &major, &minor);
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return major > 0 || minor >= 4;
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}
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static void *setup_msc(Display *dpy, Window win)
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{
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xcb_connection_t *c = XGetXCBConnection(dpy);
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xcb_void_cookie_t cookie;
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uint32_t id = xcb_generate_id(c);
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xcb_generic_error_t *error;
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void *q;
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cookie = xcb_present_select_input_checked(c, id, win, XCB_PRESENT_EVENT_MASK_COMPLETE_NOTIFY);
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q = xcb_register_for_special_xge(c, &xcb_present_id, id, &stamp);
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error = xcb_request_check(c, cookie);
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assert(error == NULL);
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return q;
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}
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static void teardown_msc(Display *dpy, void *q)
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{
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xcb_unregister_for_special_event(XGetXCBConnection(dpy), q);
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}
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static uint64_t wait_vblank(Display *dpy, Window win)
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{
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xcb_connection_t *c = XGetXCBConnection(dpy);
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static uint32_t serial = 1;
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uint64_t msc = 0;
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int complete = 0;
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void *q;
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if (win == 0)
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win = DefaultRootWindow(dpy);
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q = setup_msc(dpy, win);
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xcb_present_notify_msc(c, win, serial ^ 0xdeadbeef, 0, 1, 0);
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xcb_flush(c);
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do {
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xcb_present_complete_notify_event_t *ce;
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xcb_generic_event_t *ev;
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ev = xcb_wait_for_special_event(c, q);
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if (ev == NULL)
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break;
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ce = (xcb_present_complete_notify_event_t *)ev;
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if (ce->kind == XCB_PRESENT_COMPLETE_KIND_NOTIFY_MSC &&
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ce->serial == (serial ^ 0xdeadbeef)) {
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msc = ce->msc;
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complete = 1;
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}
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free(ev);
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} while (!complete);
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if (++serial == 0)
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serial = 1;
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teardown_msc(dpy, q);
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return msc;
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}
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static int test_basic(Display *dpy, int dummy)
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{
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xcb_connection_t *c = XGetXCBConnection(dpy);
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XSetWindowAttributes attr;
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Visual *visual = DefaultVisual(dpy, DefaultScreen(dpy));
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Pixmap pixmap;
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struct dri3_fence fence;
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Window root, win;
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unsigned int width, height;
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unsigned border, depth;
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int x, y, ret = 1;
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const char *phase;
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uint64_t msc;
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root = DefaultRootWindow(dpy);
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XGetGeometry(dpy, root,
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&win, &x, &y,
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&width, &height, &border, &depth);
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_x_error_occurred = 0;
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attr.override_redirect = 1;
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switch (dummy) {
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case 0:
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win = root;
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phase = "root";
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break;
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case 1:
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win = XCreateWindow(dpy, root,
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0, 0, width, height, 0, depth,
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InputOutput, visual,
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CWOverrideRedirect, &attr);
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phase = "fullscreen";
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break;
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case 2:
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width /= 2;
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height /= 2;
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win = XCreateWindow(dpy, root,
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0, 0, width, height, 0, depth,
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InputOutput, visual,
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CWOverrideRedirect, &attr);
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phase = "window";
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break;
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case 3:
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if (!has_composite(dpy))
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return 0;
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win = XCreateWindow(dpy, root,
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0, 0, width, height, 0,
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DefaultDepth(dpy, DefaultScreen(dpy)),
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InputOutput,
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DefaultVisual(dpy, DefaultScreen(dpy)),
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CWOverrideRedirect, &attr);
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XCompositeRedirectWindow(dpy, win, CompositeRedirectManual);
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phase = "composite";
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break;
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default:
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phase = "broken";
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win = root;
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abort();
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break;
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}
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XMapWindow(dpy, win);
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XSync(dpy, True);
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if (_x_error_occurred)
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return 1;
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if (dri3_create_fence(dpy, win, &fence))
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return 0;
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printf("%s: Testing basic flip: %dx%d\n", phase, width, height);
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fflush(stdout);
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_x_error_occurred = 0;
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xshmfence_reset(fence.addr);
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msc = wait_vblank(dpy, win);
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pixmap = XCreatePixmap(dpy, win, width, height, depth);
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xcb_present_pixmap(c, win, pixmap, 0,
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0, /* valid */
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0, /* update */
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0, /* x_off */
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0, /* y_off */
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None,
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None, /* wait fence */
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fence.xid,
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XCB_PRESENT_OPTION_NONE,
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(msc + 64) & -64, /* target msc */
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64, /* divisor */
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32, /* remainder */
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0, NULL);
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XFreePixmap(dpy, pixmap);
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pixmap = XCreatePixmap(dpy, win, width, height, depth);
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xcb_present_pixmap(c, win, pixmap, 0,
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0, /* valid */
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0, /* update */
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0, /* x_off */
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0, /* y_off */
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None,
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None, /* wait fence */
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None, /* sync fence */
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XCB_PRESENT_OPTION_NONE,
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(msc + 64) & -64, /* target msc */
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64, /* divisor */
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48, /* remainder */
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0, NULL);
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XFreePixmap(dpy, pixmap);
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XDestroyWindow(dpy, win);
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XFlush(dpy);
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ret = !!xshmfence_await(fence.addr);
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dri3_fence_free(dpy, &fence);
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XSync(dpy, True);
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ret += !!_x_error_occurred;
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return ret;
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}
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static int test_race(Display *dpy, int dummy)
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{
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Display *mgr = XOpenDisplay(NULL);
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xcb_connection_t *c = XGetXCBConnection(dpy);
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XSetWindowAttributes attr;
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Visual *visual = DefaultVisual(dpy, DefaultScreen(dpy));
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Pixmap pixmap;
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struct dri3_fence fence;
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Window root, win;
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unsigned int width, height;
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unsigned border, depth;
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int x, y, ret = 1;
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const char *phase;
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uint64_t msc;
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root = DefaultRootWindow(dpy);
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XGetGeometry(dpy, root,
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&win, &x, &y,
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&width, &height, &border, &depth);
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_x_error_occurred = 0;
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attr.override_redirect = 1;
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switch (dummy) {
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case 0:
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win = root;
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phase = "root";
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break;
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case 1:
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win = XCreateWindow(dpy, root,
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0, 0, width, height, 0, depth,
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InputOutput, visual,
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CWOverrideRedirect, &attr);
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phase = "fullscreen";
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break;
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case 2:
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width /= 2;
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height /= 2;
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win = XCreateWindow(dpy, root,
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0, 0, width, height, 0, depth,
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InputOutput, visual,
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CWOverrideRedirect, &attr);
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phase = "window";
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break;
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case 3:
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if (!has_composite(dpy))
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return 0;
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win = XCreateWindow(dpy, root,
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0, 0, width, height, 0,
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DefaultDepth(dpy, DefaultScreen(dpy)),
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InputOutput,
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DefaultVisual(dpy, DefaultScreen(dpy)),
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CWOverrideRedirect, &attr);
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XCompositeRedirectWindow(dpy, win, CompositeRedirectManual);
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phase = "composite";
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break;
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default:
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phase = "broken";
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win = root;
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abort();
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break;
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}
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XMapWindow(dpy, win);
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XSync(dpy, True);
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if (_x_error_occurred)
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return 1;
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if (dri3_create_fence(dpy, win, &fence))
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return 0;
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printf("%s: Testing race with manager: %dx%d\n", phase, width, height);
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fflush(stdout);
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_x_error_occurred = 0;
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xshmfence_reset(fence.addr);
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msc = wait_vblank(dpy, win);
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pixmap = XCreatePixmap(dpy, win, width, height, depth);
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xcb_present_pixmap(c, win, pixmap, 0,
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0, /* valid */
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0, /* update */
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0, /* x_off */
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0, /* y_off */
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None,
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None, /* wait fence */
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fence.xid,
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XCB_PRESENT_OPTION_NONE,
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(msc + 64) & -64, /* target msc */
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64, /* divisor */
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32, /* remainder */
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0, NULL);
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XFreePixmap(dpy, pixmap);
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XFlush(dpy);
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XDestroyWindow(mgr, win);
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XFlush(mgr);
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pixmap = XCreatePixmap(dpy, win, width, height, depth);
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xcb_present_pixmap(c, win, pixmap, 0,
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0, /* valid */
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0, /* update */
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0, /* x_off */
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0, /* y_off */
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None,
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None, /* wait fence */
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None, /* sync fence */
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XCB_PRESENT_OPTION_NONE,
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(msc + 64) & -64, /* target msc */
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64, /* divisor */
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48, /* remainder */
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0, NULL);
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XFreePixmap(dpy, pixmap);
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XFlush(dpy);
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ret = !!xshmfence_await(fence.addr);
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dri3_fence_free(dpy, &fence);
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XSync(dpy, True);
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ret += !!_x_error_occurred;
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XCloseDisplay(mgr);
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return ret;
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}
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static int has_present(Display *dpy)
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{
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xcb_connection_t *c = XGetXCBConnection(dpy);
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xcb_generic_error_t *error = NULL;
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void *reply;
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reply = xcb_xfixes_query_version_reply(c,
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xcb_xfixes_query_version(c,
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XCB_XFIXES_MAJOR_VERSION,
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XCB_XFIXES_MINOR_VERSION),
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&error);
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free(reply);
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free(error);
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if (reply == NULL) {
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fprintf(stderr, "XFixes not supported on %s\n", DisplayString(dpy));
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return 0;
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}
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reply = xcb_dri3_query_version_reply(c,
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xcb_dri3_query_version(c,
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XCB_DRI3_MAJOR_VERSION,
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XCB_DRI3_MINOR_VERSION),
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&error);
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free(reply);
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free(error);
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if (reply == NULL) {
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fprintf(stderr, "DRI3 not supported on %s\n", DisplayString(dpy));
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return 0;
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}
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reply = xcb_present_query_version_reply(c,
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xcb_present_query_version(c,
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XCB_PRESENT_MAJOR_VERSION,
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XCB_PRESENT_MINOR_VERSION),
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&error);
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free(reply);
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free(error);
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if (reply == NULL) {
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fprintf(stderr, "Present not supported on %s\n", DisplayString(dpy));
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return 0;
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}
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return 1;
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}
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int main(void)
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{
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Display *dpy;
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int dummy;
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int error = 0;
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dpy = XOpenDisplay(NULL);
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if (dpy == NULL)
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return 77;
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if (!has_present(dpy))
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return 77;
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if (DPMSQueryExtension(dpy, &dummy, &dummy))
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DPMSDisable(dpy);
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signal(SIGALRM, SIG_IGN);
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XSetErrorHandler(_check_error_handler);
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for (dummy = 0; dummy <= 3; dummy++) {
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error += test_basic(dpy, dummy);
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error += test_race(dpy, dummy);
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}
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if (DPMSQueryExtension(dpy, &dummy, &dummy))
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DPMSEnable(dpy);
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return !!error;
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}
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