source: mainline/uspace/app/barber/barber.c@ 10cb47e

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 10cb47e was 10cb47e, checked in by Martin Decky <martin@…>, 9 years ago

add support for custom client data into widgets
  • Property mode set to 100644
File size: 8.9 KB
Line 
1/*
2 * Copyright (c) 2014 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup barber
30 * @{
31 */
32/** @file
33 */
34
35#include <unistd.h>
36#include <stdbool.h>
37#include <errno.h>
38#include <stdio.h>
39#include <malloc.h>
40#include <task.h>
41#include <loc.h>
42#include <stats.h>
43#include <fibril_synch.h>
44#include <io/pixel.h>
45#include <device/led_dev.h>
46#include <window.h>
47#include <canvas.h>
48#include <surface.h>
49#include <codec/tga.gz.h>
50#include "images.h"
51
52#define NAME "barber"
53
54#define FRAMES 30
55
56#define MIN_FPS 1
57#define MAX_FPS 25
58
59#define MIN_LOAD (LOAD_UNIT / 4)
60#define MAX_LOAD (LOAD_UNIT / 3)
61
62#define FRAME_WIDTH 59
63#define FRAME_HEIGHT 192
64
65#define LED_PERIOD 1000000
66#define LED_COLORS 7
67
68typedef struct {
69 link_t link;
70 service_id_t svc_id;
71 async_sess_t *sess;
72} led_dev_t;
73
74static char *winreg = NULL;
75
76static fibril_timer_t *led_timer = NULL;
77static list_t led_devs;
78static unsigned int led_color = 0;
79
80static pixel_t led_colors[LED_COLORS] = {
81 PIXEL(0xff, 0xff, 0x00, 0x00),
82 PIXEL(0xff, 0x00, 0xff, 0x00),
83 PIXEL(0xff, 0x00, 0x00, 0xff),
84 PIXEL(0xff, 0xff, 0xff, 0x00),
85 PIXEL(0xff, 0xff, 0x00, 0xff),
86 PIXEL(0xff, 0x00, 0xff, 0xff),
87 PIXEL(0xff, 0xff, 0xff, 0xff)
88};
89
90static fibril_timer_t *frame_timer = NULL;
91static canvas_t *frame_canvas;
92static surface_t *frames[FRAMES];
93
94static unsigned int frame = 0;
95static unsigned int fps = MIN_FPS;
96
97static void led_timer_callback(void *);
98static void frame_timer_callback(void *);
99
100static bool decode_frames(void)
101{
102 frames[0] = decode_tga_gz((void *) frame01_tga_gz, frame01_tga_gz_size, 0);
103 frames[1] = decode_tga_gz((void *) frame02_tga_gz, frame02_tga_gz_size, 0);
104 frames[2] = decode_tga_gz((void *) frame03_tga_gz, frame03_tga_gz_size, 0);
105 frames[3] = decode_tga_gz((void *) frame04_tga_gz, frame04_tga_gz_size, 0);
106 frames[4] = decode_tga_gz((void *) frame05_tga_gz, frame05_tga_gz_size, 0);
107 frames[5] = decode_tga_gz((void *) frame06_tga_gz, frame06_tga_gz_size, 0);
108 frames[6] = decode_tga_gz((void *) frame07_tga_gz, frame07_tga_gz_size, 0);
109 frames[7] = decode_tga_gz((void *) frame08_tga_gz, frame08_tga_gz_size, 0);
110 frames[8] = decode_tga_gz((void *) frame09_tga_gz, frame09_tga_gz_size, 0);
111 frames[9] = decode_tga_gz((void *) frame10_tga_gz, frame10_tga_gz_size, 0);
112 frames[10] = decode_tga_gz((void *) frame11_tga_gz, frame11_tga_gz_size, 0);
113 frames[11] = decode_tga_gz((void *) frame12_tga_gz, frame12_tga_gz_size, 0);
114 frames[12] = decode_tga_gz((void *) frame13_tga_gz, frame13_tga_gz_size, 0);
115 frames[13] = decode_tga_gz((void *) frame14_tga_gz, frame14_tga_gz_size, 0);
116 frames[14] = decode_tga_gz((void *) frame15_tga_gz, frame15_tga_gz_size, 0);
117 frames[15] = decode_tga_gz((void *) frame16_tga_gz, frame16_tga_gz_size, 0);
118 frames[16] = decode_tga_gz((void *) frame17_tga_gz, frame17_tga_gz_size, 0);
119 frames[17] = decode_tga_gz((void *) frame18_tga_gz, frame18_tga_gz_size, 0);
120 frames[18] = decode_tga_gz((void *) frame19_tga_gz, frame19_tga_gz_size, 0);
121 frames[19] = decode_tga_gz((void *) frame20_tga_gz, frame20_tga_gz_size, 0);
122 frames[20] = decode_tga_gz((void *) frame21_tga_gz, frame21_tga_gz_size, 0);
123 frames[21] = decode_tga_gz((void *) frame22_tga_gz, frame22_tga_gz_size, 0);
124 frames[22] = decode_tga_gz((void *) frame23_tga_gz, frame23_tga_gz_size, 0);
125 frames[23] = decode_tga_gz((void *) frame24_tga_gz, frame24_tga_gz_size, 0);
126 frames[24] = decode_tga_gz((void *) frame25_tga_gz, frame25_tga_gz_size, 0);
127 frames[25] = decode_tga_gz((void *) frame26_tga_gz, frame26_tga_gz_size, 0);
128 frames[26] = decode_tga_gz((void *) frame27_tga_gz, frame27_tga_gz_size, 0);
129 frames[27] = decode_tga_gz((void *) frame28_tga_gz, frame28_tga_gz_size, 0);
130 frames[28] = decode_tga_gz((void *) frame29_tga_gz, frame29_tga_gz_size, 0);
131 frames[29] = decode_tga_gz((void *) frame30_tga_gz, frame30_tga_gz_size, 0);
132
133 for (unsigned int frame = 0; frame < FRAMES; frame++) {
134 if (frames[frame] == NULL) {
135 printf("Unable to decode frame %u.\n", frame);
136 return false;
137 }
138 }
139
140 return true;
141}
142
143static void plan_led_timer(void)
144{
145 fibril_timer_set(led_timer, LED_PERIOD, led_timer_callback, NULL);
146}
147
148static load_t get_load(void)
149{
150 size_t count;
151 load_t *load = stats_get_load(&count);
152 load_t load_val;
153
154 if ((load != NULL) && (count > 0)) {
155 load_val = load[0];
156 free(load);
157 } else
158 load_val = 0;
159
160 return load_val;
161}
162
163static void plan_frame_timer(suseconds_t render_time)
164{
165 /*
166 * Crank up the FPS unless we lack
167 * behind with the rendering and
168 * unless the load is not above
169 * a lower threshold.
170 */
171
172 suseconds_t delta = 1000000 / fps;
173 load_t load = get_load();
174
175 if ((delta >= render_time) && (load < MIN_LOAD))
176 fps++;
177
178 if (fps > MAX_FPS)
179 fps = MAX_FPS;
180
181 /*
182 * If we lack behind then immediately
183 * go to the lowest FPS.
184 */
185
186 if (delta < render_time)
187 fps = MIN_FPS;
188
189 /*
190 * Crank down the FPS if the current
191 * load is above an upper threshold.
192 */
193
194 if (load > MAX_LOAD)
195 fps--;
196
197 if (fps < MIN_FPS)
198 fps = MIN_FPS;
199
200 delta = 1000000 / fps;
201
202 fibril_timer_set(frame_timer, delta, frame_timer_callback, NULL);
203}
204
205static void led_timer_callback(void *data)
206{
207 pixel_t next_led_color = led_colors[led_color];
208
209 led_color++;
210 if (led_color >= LED_COLORS)
211 led_color = 0;
212
213 list_foreach(led_devs, link, led_dev_t, dev) {
214 if (dev->sess)
215 led_dev_color_set(dev->sess, next_led_color);
216 }
217
218 plan_led_timer();
219}
220
221static void frame_timer_callback(void *data)
222{
223 struct timeval prev;
224 getuptime(&prev);
225
226 frame++;
227 if (frame >= FRAMES)
228 frame = 0;
229
230 update_canvas(frame_canvas, frames[frame]);
231
232 struct timeval cur;
233 getuptime(&cur);
234
235 plan_frame_timer(tv_sub_diff(&cur, &prev));
236}
237
238static void loc_callback(void)
239{
240 category_id_t led_cat;
241 int rc = loc_category_get_id("led", &led_cat, IPC_FLAG_BLOCKING);
242 if (rc != EOK)
243 return;
244
245 service_id_t *svcs;
246 size_t count;
247 rc = loc_category_get_svcs(led_cat, &svcs, &count);
248 if (rc != EOK)
249 return;
250
251 for (size_t i = 0; i < count; i++) {
252 bool known = false;
253
254 /* Determine whether we already know this device. */
255 list_foreach(led_devs, link, led_dev_t, dev) {
256 if (dev->svc_id == svcs[i]) {
257 known = true;
258 break;
259 }
260 }
261
262 if (!known) {
263 led_dev_t *dev = (led_dev_t *) calloc(1, sizeof(led_dev_t));
264 if (!dev)
265 continue;
266
267 link_initialize(&dev->link);
268 dev->svc_id = svcs[i];
269 dev->sess = loc_service_connect(svcs[i], INTERFACE_DDF, 0);
270
271 list_append(&dev->link, &led_devs);
272 }
273 }
274
275 // FIXME: Handle LED device removal
276
277 free(svcs);
278}
279
280int main(int argc, char *argv[])
281{
282 if (argc < 2) {
283 printf("Compositor server not specified.\n");
284 return 1;
285 }
286
287 list_initialize(&led_devs);
288 int rc = loc_register_cat_change_cb(loc_callback);
289 if (rc != EOK) {
290 printf("Unable to register callback for device discovery.\n");
291 return 1;
292 }
293
294 led_timer = fibril_timer_create(NULL);
295 if (!led_timer) {
296 printf("Unable to create LED timer.\n");
297 return 1;
298 }
299
300 frame_timer = fibril_timer_create(NULL);
301 if (!frame_timer) {
302 printf("Unable to create frame timer.\n");
303 return 1;
304 }
305
306 if (!decode_frames())
307 return 1;
308
309 winreg = argv[1];
310 window_t *main_window = window_open(argv[1], NULL,
311 WINDOW_MAIN | WINDOW_DECORATED, "barber");
312 if (!main_window) {
313 printf("Cannot open main window.\n");
314 return 1;
315 }
316
317 frame_canvas = create_canvas(window_root(main_window), NULL,
318 FRAME_WIDTH, FRAME_HEIGHT, frames[frame]);
319
320 if (!frame_canvas) {
321 window_close(main_window);
322 printf("Cannot create widgets.\n");
323 return 1;
324 }
325
326 window_resize(main_window, 0, 0, FRAME_WIDTH + 8, FRAME_HEIGHT + 28,
327 WINDOW_PLACEMENT_RIGHT | WINDOW_PLACEMENT_BOTTOM);
328 window_exec(main_window);
329
330 plan_led_timer();
331 plan_frame_timer(0);
332
333 task_retval(0);
334 async_manager();
335
336 return 0;
337}
338
339/** @}
340 */
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