forked from 12to11/12to11
Add buffer release test
* tests/buffer_test.c: New file.
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hujianwei
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1 changed files with 234 additions and 0 deletions
234
tests/buffer_test.c
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234
tests/buffer_test.c
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/* Tests for the Wayland compositor running on the X server.
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Copyright (C) 2022 to various contributors.
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This file is part of 12to11.
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12to11 is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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12to11 is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with 12to11. If not, see <https://www.gnu.org/licenses/>. */
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#include "test_harness.h"
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/* Tests for buffer release. */
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enum test_kind
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{
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BUFFER_RELEASE_KIND,
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BUFFER_DESTROY_KIND,
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};
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static const char *test_names[] =
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{
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"buffer_release",
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"buffer_destroy_kind",
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};
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#define LAST_TEST BUFFER_DESTROY_KIND
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/* The display. */
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static struct test_display *display;
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/* Test interfaces. */
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static struct test_interface test_interfaces[] =
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{
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/* No interfaces yet... */
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};
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/* The test surface and Wayland surface. */
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static struct test_surface *test_surface;
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static struct wl_surface *wayland_surface;
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/* Forward declarations. */
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static void wait_frame_callback (struct wl_surface *);
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static struct test_buffer *
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make_test_buffer (void)
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{
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struct wl_buffer *buffer;
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struct test_buffer *test_buffer;
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char *empty_data;
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size_t stride;
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stride = get_image_stride (display, 24, 1);
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if (!stride)
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report_test_failure ("unknown stride");
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empty_data = calloc (1, stride);
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if (!empty_data)
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report_test_failure ("failed to allocate buffer data");
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buffer = upload_image_data (display, empty_data, 1, 1, 24);
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free (empty_data);
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if (!buffer)
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report_test_failure ("failed to create single pixel buffer");
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test_buffer = get_test_buffer (display, buffer);
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if (!test_buffer)
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report_test_failure ("failed to create test buffer");
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return test_buffer;
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}
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static void
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test_single_step (enum test_kind kind)
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{
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struct test_buffer *buffers[1000];
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int i;
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again:
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test_log ("running test step: %s", test_names[kind]);
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switch (kind)
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{
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case BUFFER_RELEASE_KIND:
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/* Abuse the buffer release machinery. Repeatedly commit 1000
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buffers. Then, wait for a frame callback on the 1000th
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commit.
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Verify that the first 999 have been released. */
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for (i = 0; i < ARRAYELTS (buffers) - 1; ++i)
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{
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buffers[i] = make_test_buffer ();
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wl_surface_attach (wayland_surface, buffers[i]->buffer,
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0, 0);
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test_buffer_committed (buffers[i]);
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wl_surface_commit (wayland_surface);
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}
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buffers[i] = make_test_buffer ();
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wl_surface_attach (wayland_surface, buffers[i]->buffer,
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0, 0);
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test_buffer_committed (buffers[i]);
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wait_frame_callback (wayland_surface);
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for (i = 0; i < ARRAYELTS (buffers) - 1; ++i)
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verify_buffer_released (buffers[i]);
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kind = BUFFER_DESTROY_KIND;
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goto again;
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case BUFFER_DESTROY_KIND:
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/* Now do the same thing, but destroy every other wl_buffer. */
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for (i = 0; i < ARRAYELTS (buffers) - 1; ++i)
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{
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wl_surface_attach (wayland_surface, buffers[i]->buffer,
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0, 0);
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test_buffer_committed (buffers[i]);
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wl_surface_commit (wayland_surface);
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if (i % 2)
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wl_buffer_destroy (buffers[i]->buffer);
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/* buffers[i] is intentionally "leaked". */
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buffers[i] = NULL;
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}
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wl_surface_attach (wayland_surface, buffers[i]->buffer,
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0, 0);
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test_buffer_committed (buffers[i]);
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wait_frame_callback (wayland_surface);
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for (i = 0; i < ARRAYELTS (buffers) - 1; ++i)
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{
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if (buffers[i])
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verify_buffer_released (buffers[i]);
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}
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}
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if (kind == LAST_TEST)
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test_complete ();
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}
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static void
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handle_wl_callback_done (void *data, struct wl_callback *callback,
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uint32_t callback_data)
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{
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bool *flag;
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wl_callback_destroy (callback);
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/* Now tell wait_frame_callback to break out of the loop. */
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flag = data;
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*flag = true;
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}
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static const struct wl_callback_listener wl_callback_listener =
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{
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handle_wl_callback_done,
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};
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static void
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wait_frame_callback (struct wl_surface *surface)
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{
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struct wl_callback *callback;
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bool flag;
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/* Commit surface and wait for a frame callback. */
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callback = wl_surface_frame (surface);
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flag = false;
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wl_callback_add_listener (callback, &wl_callback_listener,
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&flag);
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wl_surface_commit (surface);
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while (!flag)
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{
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if (wl_display_dispatch (display->display) == -1)
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die ("wl_display_dispatch");
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}
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}
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static void
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run_test (void)
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{
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if (!make_test_surface (display, &wayland_surface,
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&test_surface))
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report_test_failure ("failed to create test surface");
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test_single_step (BUFFER_RELEASE_KIND);
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while (true)
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{
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if (wl_display_dispatch (display->display) == -1)
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die ("wl_display_dispatch");
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}
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}
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int
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main (void)
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{
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test_init ();
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display = open_test_display (test_interfaces,
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ARRAYELTS (test_interfaces));
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if (!display)
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report_test_failure ("failed to open display");
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run_test ();
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}
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