tests: Add screenshot recording capability to weston-test
[platform/upstream/weston.git] / tests / weston-test.c
1 /*
2  * Copyright © 2012 Intel Corporation
3  *
4  * Permission to use, copy, modify, distribute, and sell this software and
5  * its documentation for any purpose is hereby granted without fee, provided
6  * that the above copyright notice appear in all copies and that both that
7  * copyright notice and this permission notice appear in supporting
8  * documentation, and that the name of the copyright holders not be used in
9  * advertising or publicity pertaining to distribution of the software
10  * without specific, written prior permission.  The copyright holders make
11  * no representations about the suitability of this software for any
12  * purpose.  It is provided "as is" without express or implied warranty.
13  *
14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
15  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
16  * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
17  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
18  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
19  * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
20  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21  */
22
23 #include "config.h"
24
25 #include <stdlib.h>
26 #include <assert.h>
27 #include <signal.h>
28 #include <unistd.h>
29 #include <string.h>
30
31 #include "../src/compositor.h"
32 #include "weston-test-server-protocol.h"
33
34 #ifdef ENABLE_EGL
35 #include <EGL/egl.h>
36 #include <EGL/eglext.h>
37 #include "../src/weston-egl-ext.h"
38 #endif /* ENABLE_EGL */
39
40 struct weston_test {
41         struct weston_compositor *compositor;
42         struct weston_layer layer;
43         struct weston_process process;
44         struct weston_seat seat;
45 };
46
47 struct weston_test_surface {
48         struct weston_surface *surface;
49         struct weston_view *view;
50         int32_t x, y;
51         struct weston_test *test;
52 };
53
54 static void
55 test_client_sigchld(struct weston_process *process, int status)
56 {
57         struct weston_test *test =
58                 container_of(process, struct weston_test, process);
59
60         /* Chain up from weston-test-runner's exit code so that automake
61          * knows the exit status and can report e.g. skipped tests. */
62         if (WIFEXITED(status) && WEXITSTATUS(status) != 0)
63                 exit(WEXITSTATUS(status));
64
65         /* In case the child aborted or segfaulted... */
66         assert(status == 0);
67
68         wl_display_terminate(test->compositor->wl_display);
69 }
70
71 static struct weston_seat *
72 get_seat(struct weston_test *test)
73 {
74         return &test->seat;
75 }
76
77 static void
78 notify_pointer_position(struct weston_test *test, struct wl_resource *resource)
79 {
80         struct weston_seat *seat = get_seat(test);
81         struct weston_pointer *pointer = seat->pointer;
82
83         weston_test_send_pointer_position(resource, pointer->x, pointer->y);
84 }
85
86 static void
87 test_surface_configure(struct weston_surface *surface, int32_t sx, int32_t sy)
88 {
89         struct weston_test_surface *test_surface = surface->configure_private;
90         struct weston_test *test = test_surface->test;
91
92         if (wl_list_empty(&test_surface->view->layer_link.link))
93                 weston_layer_entry_insert(&test->layer.view_list,
94                                           &test_surface->view->layer_link);
95
96         weston_view_set_position(test_surface->view,
97                                  test_surface->x, test_surface->y);
98
99         weston_view_update_transform(test_surface->view);
100 }
101
102 static void
103 move_surface(struct wl_client *client, struct wl_resource *resource,
104              struct wl_resource *surface_resource,
105              int32_t x, int32_t y)
106 {
107         struct weston_surface *surface =
108                 wl_resource_get_user_data(surface_resource);
109         struct weston_test_surface *test_surface;
110
111         test_surface = surface->configure_private;
112         if (!test_surface) {
113                 test_surface = malloc(sizeof *test_surface);
114                 if (!test_surface) {
115                         wl_resource_post_no_memory(resource);
116                         return;
117                 }
118
119                 test_surface->view = weston_view_create(surface);
120                 if (!test_surface->view) {
121                         wl_resource_post_no_memory(resource);
122                         free(test_surface);
123                         return;
124                 }
125
126                 surface->configure_private = test_surface;
127                 surface->configure = test_surface_configure;
128         }
129
130         test_surface->surface = surface;
131         test_surface->test = wl_resource_get_user_data(resource);
132         test_surface->x = x;
133         test_surface->y = y;
134 }
135
136 static void
137 move_pointer(struct wl_client *client, struct wl_resource *resource,
138              int32_t x, int32_t y)
139 {
140         struct weston_test *test = wl_resource_get_user_data(resource);
141         struct weston_seat *seat = get_seat(test);
142         struct weston_pointer *pointer = seat->pointer;
143
144         notify_motion(seat, 100,
145                       wl_fixed_from_int(x) - pointer->x,
146                       wl_fixed_from_int(y) - pointer->y);
147
148         notify_pointer_position(test, resource);
149 }
150
151 static void
152 send_button(struct wl_client *client, struct wl_resource *resource,
153             int32_t button, uint32_t state)
154 {
155         struct weston_test *test = wl_resource_get_user_data(resource);
156         struct weston_seat *seat = get_seat(test);
157
158         notify_button(seat, 100, button, state);
159 }
160
161 static void
162 activate_surface(struct wl_client *client, struct wl_resource *resource,
163                  struct wl_resource *surface_resource)
164 {
165         struct weston_surface *surface = surface_resource ?
166                 wl_resource_get_user_data(surface_resource) : NULL;
167         struct weston_test *test = wl_resource_get_user_data(resource);
168         struct weston_seat *seat;
169
170         seat = get_seat(test);
171
172         if (surface) {
173                 weston_surface_activate(surface, seat);
174                 notify_keyboard_focus_in(seat, &seat->keyboard->keys,
175                                          STATE_UPDATE_AUTOMATIC);
176         }
177         else {
178                 notify_keyboard_focus_out(seat);
179                 weston_surface_activate(surface, seat);
180         }
181 }
182
183 static void
184 send_key(struct wl_client *client, struct wl_resource *resource,
185          uint32_t key, enum wl_keyboard_key_state state)
186 {
187         struct weston_test *test = wl_resource_get_user_data(resource);
188         struct weston_seat *seat = get_seat(test);
189
190         notify_key(seat, 100, key, state, STATE_UPDATE_AUTOMATIC);
191 }
192
193 static void
194 device_release(struct wl_client *client,
195                struct wl_resource *resource, const char *device)
196 {
197         struct weston_test *test = wl_resource_get_user_data(resource);
198         struct weston_seat *seat = get_seat(test);
199
200         if (strcmp(device, "pointer") == 0) {
201                 weston_seat_release_pointer(seat);
202         } else if (strcmp(device, "keyboard") == 0) {
203                 weston_seat_release_keyboard(seat);
204         } else if (strcmp(device, "touch") == 0) {
205                 weston_seat_release_touch(seat);
206         } else if (strcmp(device, "seat") == 0) {
207                 weston_seat_release(seat);
208         } else {
209                 assert(0 && "Unsupported device");
210         }
211 }
212
213 static void
214 device_add(struct wl_client *client,
215            struct wl_resource *resource, const char *device)
216 {
217         struct weston_test *test = wl_resource_get_user_data(resource);
218         struct weston_seat *seat = get_seat(test);
219
220         if (strcmp(device, "pointer") == 0) {
221                 weston_seat_init_pointer(seat);
222         } else if (strcmp(device, "keyboard") == 0) {
223                 weston_seat_init_keyboard(seat, NULL);
224         } else if (strcmp(device, "touch") == 0) {
225                 weston_seat_init_touch(seat);
226         } else {
227                 assert(0 && "Unsupported device");
228         }
229 }
230
231 #ifdef ENABLE_EGL
232 static int
233 is_egl_buffer(struct wl_resource *resource)
234 {
235         PFNEGLQUERYWAYLANDBUFFERWL query_buffer =
236                 (void *) eglGetProcAddress("eglQueryWaylandBufferWL");
237         EGLint format;
238
239         if (query_buffer(eglGetCurrentDisplay(),
240                          resource,
241                          EGL_TEXTURE_FORMAT,
242                          &format))
243                 return 1;
244
245         return 0;
246 }
247 #endif /* ENABLE_EGL */
248
249 static void
250 get_n_buffers(struct wl_client *client, struct wl_resource *resource)
251 {
252         int n_buffers = 0;
253
254 #ifdef ENABLE_EGL
255         struct wl_resource *buffer_resource;
256         int i;
257
258         for (i = 0; i < 1000; i++) {
259                 buffer_resource = wl_client_get_object(client, i);
260
261                 if (buffer_resource == NULL)
262                         continue;
263
264                 if (is_egl_buffer(buffer_resource))
265                         n_buffers++;
266         }
267 #endif /* ENABLE_EGL */
268
269         weston_test_send_n_egl_buffers(resource, n_buffers);
270 }
271
272 enum weston_test_screenshot_outcome {
273         WESTON_TEST_SCREENSHOT_SUCCESS,
274         WESTON_TEST_SCREENSHOT_NO_MEMORY,
275         WESTON_TEST_SCREENSHOT_BAD_BUFFER
276         };
277
278 typedef void (*weston_test_screenshot_done_func_t)(void *data,
279                                                    enum weston_test_screenshot_outcome outcome);
280
281 struct test_screenshot {
282         struct weston_compositor *compositor;
283         struct wl_global *global;
284         struct wl_client *client;
285         struct weston_process process;
286         struct wl_listener destroy_listener;
287 };
288
289 struct test_screenshot_frame_listener {
290         struct wl_listener listener;
291         struct weston_buffer *buffer;
292         weston_test_screenshot_done_func_t done;
293         void *data;
294 };
295
296 static void
297 copy_bgra_yflip(uint8_t *dst, uint8_t *src, int height, int stride)
298 {
299         uint8_t *end;
300
301         end = dst + height * stride;
302         while (dst < end) {
303                 memcpy(dst, src, stride);
304                 dst += stride;
305                 src -= stride;
306         }
307 }
308
309
310 static void
311 copy_bgra(uint8_t *dst, uint8_t *src, int height, int stride)
312 {
313         /* TODO: optimize this out */
314         memcpy(dst, src, height * stride);
315 }
316
317 static void
318 copy_row_swap_RB(void *vdst, void *vsrc, int bytes)
319 {
320         uint32_t *dst = vdst;
321         uint32_t *src = vsrc;
322         uint32_t *end = dst + bytes / 4;
323
324         while (dst < end) {
325                 uint32_t v = *src++;
326                 /*                    A R G B */
327                 uint32_t tmp = v & 0xff00ff00;
328                 tmp |= (v >> 16) & 0x000000ff;
329                 tmp |= (v << 16) & 0x00ff0000;
330                 *dst++ = tmp;
331         }
332 }
333
334 static void
335 copy_rgba_yflip(uint8_t *dst, uint8_t *src, int height, int stride)
336 {
337         uint8_t *end;
338
339         end = dst + height * stride;
340         while (dst < end) {
341                 copy_row_swap_RB(dst, src, stride);
342                 dst += stride;
343                 src -= stride;
344         }
345 }
346
347 static void
348 copy_rgba(uint8_t *dst, uint8_t *src, int height, int stride)
349 {
350         uint8_t *end;
351
352         end = dst + height * stride;
353         while (dst < end) {
354                 copy_row_swap_RB(dst, src, stride);
355                 dst += stride;
356                 src += stride;
357         }
358 }
359
360 static void
361 test_screenshot_frame_notify(struct wl_listener *listener, void *data)
362 {
363         struct test_screenshot_frame_listener *l =
364                 container_of(listener,
365                              struct test_screenshot_frame_listener, listener);
366         struct weston_output *output = data;
367         struct weston_compositor *compositor = output->compositor;
368         int32_t stride;
369         uint8_t *pixels, *d, *s;
370
371         output->disable_planes--;
372         wl_list_remove(&listener->link);
373         stride = l->buffer->width * (PIXMAN_FORMAT_BPP(compositor->read_format) / 8);
374         pixels = malloc(stride * l->buffer->height);
375
376         if (pixels == NULL) {
377                 l->done(l->data, WESTON_TEST_SCREENSHOT_NO_MEMORY);
378                 free(l);
379                 return;
380         }
381
382         // FIXME: Needs to handle output transformations
383
384         compositor->renderer->read_pixels(output,
385                                           compositor->read_format,
386                                           pixels,
387                                           0, 0,
388                                           output->current_mode->width,
389                                           output->current_mode->height);
390
391         stride = wl_shm_buffer_get_stride(l->buffer->shm_buffer);
392
393         d = wl_shm_buffer_get_data(l->buffer->shm_buffer);
394         s = pixels + stride * (l->buffer->height - 1);
395
396         wl_shm_buffer_begin_access(l->buffer->shm_buffer);
397
398         /* XXX: It would be nice if we used Pixman to do all this rather
399          *  than our own implementation
400          */
401         switch (compositor->read_format) {
402         case PIXMAN_a8r8g8b8:
403         case PIXMAN_x8r8g8b8:
404                 if (compositor->capabilities & WESTON_CAP_CAPTURE_YFLIP)
405                         copy_bgra_yflip(d, s, output->current_mode->height, stride);
406                 else
407                         copy_bgra(d, pixels, output->current_mode->height, stride);
408                 break;
409         case PIXMAN_x8b8g8r8:
410         case PIXMAN_a8b8g8r8:
411                 if (compositor->capabilities & WESTON_CAP_CAPTURE_YFLIP)
412                         copy_rgba_yflip(d, s, output->current_mode->height, stride);
413                 else
414                         copy_rgba(d, pixels, output->current_mode->height, stride);
415                 break;
416         default:
417                 break;
418         }
419
420         wl_shm_buffer_end_access(l->buffer->shm_buffer);
421
422         l->done(l->data, WESTON_TEST_SCREENSHOT_SUCCESS);
423         free(pixels);
424         free(l);
425 }
426
427 static bool
428 weston_test_screenshot_shoot(struct weston_output *output,
429                              struct weston_buffer *buffer,
430                              weston_test_screenshot_done_func_t done,
431                              void *data)
432 {
433         struct test_screenshot_frame_listener *l;
434
435         /* Get the shm buffer resource the client created */
436         if (!wl_shm_buffer_get(buffer->resource)) {
437                 done(data, WESTON_TEST_SCREENSHOT_BAD_BUFFER);
438                 return false;
439         }
440
441         buffer->shm_buffer = wl_shm_buffer_get(buffer->resource);
442         buffer->width = wl_shm_buffer_get_width(buffer->shm_buffer);
443         buffer->height = wl_shm_buffer_get_height(buffer->shm_buffer);
444
445         /* Verify buffer is big enough */
446         if (buffer->width < output->current_mode->width ||
447                 buffer->height < output->current_mode->height) {
448                 done(data, WESTON_TEST_SCREENSHOT_BAD_BUFFER);
449                 return false;
450         }
451
452         /* allocate the frame listener */
453         l = malloc(sizeof *l);
454         if (l == NULL) {
455                 done(data, WESTON_TEST_SCREENSHOT_NO_MEMORY);
456                 return false;
457         }
458
459         /* Set up the listener */
460         l->buffer = buffer;
461         l->done = done;
462         l->data = data;
463         l->listener.notify = test_screenshot_frame_notify;
464         wl_signal_add(&output->frame_signal, &l->listener);
465
466         /* Fire off a repaint */
467         output->disable_planes++;
468         weston_output_schedule_repaint(output);
469
470         return true;
471 }
472
473 static void
474 capture_screenshot_done(void *data, enum weston_test_screenshot_outcome outcome)
475 {
476         struct wl_resource *resource = data;
477
478         switch (outcome) {
479         case WESTON_TEST_SCREENSHOT_SUCCESS:
480                 weston_test_send_capture_screenshot_done(resource);
481                 break;
482         case WESTON_TEST_SCREENSHOT_NO_MEMORY:
483                 wl_resource_post_no_memory(resource);
484                 break;
485         default:
486                 break;
487         }
488 }
489
490
491 /**
492  * Grabs a snapshot of the screen.
493  */
494 static void
495 capture_screenshot(struct wl_client *client,
496                    struct wl_resource *resource,
497                    struct wl_resource *output_resource,
498                    struct wl_resource *buffer_resource)
499 {
500         struct weston_output *output =
501                 wl_resource_get_user_data(output_resource);
502         struct weston_buffer *buffer =
503                 weston_buffer_from_resource(buffer_resource);
504
505         if (buffer == NULL) {
506                 wl_resource_post_no_memory(resource);
507                 return;
508         }
509
510         weston_test_screenshot_shoot(output, buffer,
511                                      capture_screenshot_done, resource);
512 }
513
514 static const struct weston_test_interface test_implementation = {
515         move_surface,
516         move_pointer,
517         send_button,
518         activate_surface,
519         send_key,
520         device_release,
521         device_add,
522         get_n_buffers,
523         capture_screenshot,
524 };
525
526 static void
527 bind_test(struct wl_client *client, void *data, uint32_t version, uint32_t id)
528 {
529         struct weston_test *test = data;
530         struct wl_resource *resource;
531
532         resource = wl_resource_create(client, &weston_test_interface, 1, id);
533         if (!resource) {
534                 wl_client_post_no_memory(client);
535                 return;
536         }
537
538         wl_resource_set_implementation(resource,
539                                        &test_implementation, test, NULL);
540
541         notify_pointer_position(test, resource);
542 }
543
544 static void
545 idle_launch_client(void *data)
546 {
547         struct weston_test *test = data;
548         pid_t pid;
549         sigset_t allsigs;
550         char *path;
551
552         path = getenv("WESTON_TEST_CLIENT_PATH");
553         if (path == NULL)
554                 return;
555         pid = fork();
556         if (pid == -1)
557                 exit(EXIT_FAILURE);
558         if (pid == 0) {
559                 sigfillset(&allsigs);
560                 sigprocmask(SIG_UNBLOCK, &allsigs, NULL);
561                 execl(path, path, NULL);
562                 weston_log("compositor: executing '%s' failed: %m\n", path);
563                 exit(EXIT_FAILURE);
564         }
565
566         test->process.pid = pid;
567         test->process.cleanup = test_client_sigchld;
568         weston_watch_process(&test->process);
569 }
570
571 WL_EXPORT int
572 module_init(struct weston_compositor *ec,
573             int *argc, char *argv[])
574 {
575         struct weston_test *test;
576         struct wl_event_loop *loop;
577
578         test = zalloc(sizeof *test);
579         if (test == NULL)
580                 return -1;
581
582         test->compositor = ec;
583         weston_layer_init(&test->layer, &ec->cursor_layer.link);
584
585         if (wl_global_create(ec->wl_display, &weston_test_interface, 1,
586                              test, bind_test) == NULL)
587                 return -1;
588
589         /* create our own seat */
590         weston_seat_init(&test->seat, ec, "test-seat");
591
592         /* add devices */
593         weston_seat_init_pointer(&test->seat);
594         weston_seat_init_keyboard(&test->seat, NULL);
595         weston_seat_init_touch(&test->seat);
596
597         loop = wl_display_get_event_loop(ec->wl_display);
598         wl_event_loop_add_idle(loop, idle_launch_client, test);
599
600         return 0;
601 }