src/tdm_helper.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include <png.h>
  41 #include <string.h>
  42 #include <tbm_surface.h>
  43 #include <tbm_surface_internal.h>
  44 #include <string.h>
  45 #include <time.h>
  46 #include <pixman.h>
  47
  48 #include "tdm.h"
  49 #include "tdm_private.h"
  50 #include "tdm_helper.h"
  51
  52 #define PNG_DEPTH 8
  53
  54 static const char *file_exts[2] = {"png", "yuv"};
  55
  56 int tdm_dump_enable;
  57 char *tdm_debug_dump_dir;
  58
  59 INTERN unsigned long
  60 tdm_helper_get_time_in_millis(void)
  61 {
  62         struct timespec tp;
  63
  64         if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
  65                 return (tp.tv_sec * 1000) + (tp.tv_nsec / 1000000L);
  66
  67         return 0;
  68 }
  69
  70 INTERN unsigned long
  71 tdm_helper_get_time_in_micros(void)
  72 {
  73         struct timespec tp;
  74
  75         if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
  76                 return (tp.tv_sec * 1000000) + (tp.tv_nsec / 1000L);
  77
  78         return 0;
  79 }
  80
  81 static void
  82 _tdm_helper_dump_raw(const char *file, void *data1, int size1, void *data2,
  83                                          int size2, void *data3, int size3)
  84 {
  85         unsigned int *blocks;
  86         FILE *fp = fopen(file, "w+");
  87         TDM_RETURN_IF_FAIL(fp != NULL);
  88
  89         blocks = (unsigned int *)data1;
  90         fwrite(blocks, 1, size1, fp);
  91
  92         if (size2 > 0) {
  93                 blocks = (unsigned int *)data2;
  94                 fwrite(blocks, 1, size2, fp);
  95         }
  96
  97         if (size3 > 0) {
  98                 blocks = (unsigned int *)data3;
  99                 fwrite(blocks, 1, size3, fp);
 100         }
 101
 102         fclose(fp);
 103 }
 104
 105 static void
 106 _tdm_helper_dump_png(const char *file, const void *data, int width,
 107                                          int height)
 108 {
 109         FILE *fp = fopen(file, "wb");
 110         TDM_RETURN_IF_FAIL(fp != NULL);
 111
 112         png_structp pPngStruct =
 113                 png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
 114         if (!pPngStruct) {
 115                 fclose(fp);
 116                 return;
 117         }
 118
 119         png_infop pPngInfo = png_create_info_struct(pPngStruct);
 120         if (!pPngInfo) {
 121                 png_destroy_write_struct(&pPngStruct, NULL);
 122                 fclose(fp);
 123                 return;
 124         }
 125
 126         png_init_io(pPngStruct, fp);
 127         png_set_IHDR(pPngStruct,
 128                                  pPngInfo,
 129                                  width,
 130                                  height,
 131                                  PNG_DEPTH,
 132                                  PNG_COLOR_TYPE_RGBA,
 133                                  PNG_INTERLACE_NONE,
 134                                  PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
 135
 136         png_set_bgr(pPngStruct);
 137         png_write_info(pPngStruct, pPngInfo);
 138
 139         const int pixel_size = 4;       // RGBA
 140         png_bytep *row_pointers =
 141                 png_malloc(pPngStruct, height * sizeof(png_byte *));
 142
 143         unsigned int *blocks = (unsigned int *)data;
 144         int y = 0;
 145         int x = 0;
 146
 147         for (; y < height; ++y) {
 148                 png_bytep row =
 149                         png_malloc(pPngStruct, sizeof(png_byte) * width * pixel_size);
 150                 row_pointers[y] = (png_bytep)row;
 151                 for (x = 0; x < width; ++x) {
 152                         unsigned int curBlock = blocks[y * width + x];
 153                         row[x * pixel_size] = (curBlock & 0xFF);
 154                         row[1 + x * pixel_size] = (curBlock >> 8) & 0xFF;
 155                         row[2 + x * pixel_size] = (curBlock >> 16) & 0xFF;
 156                         row[3 + x * pixel_size] = (curBlock >> 24) & 0xFF;
 157                 }
 158         }
 159
 160         png_write_image(pPngStruct, row_pointers);
 161         png_write_end(pPngStruct, pPngInfo);
 162
 163         for (y = 0; y < height; y++)
 164                 png_free(pPngStruct, row_pointers[y]);
 165         png_free(pPngStruct, row_pointers);
 166
 167         png_destroy_write_struct(&pPngStruct, &pPngInfo);
 168
 169         fclose(fp);
 170 }
 171
 172 INTERN char *
 173 tdm_helper_dump_make_directory(const char *path, char *reply, int *len)
 174 {
 175         char *fullpath = NULL;
 176         time_t timer;
 177         struct tm *t, *buf = NULL;
 178
 179         timer = time(NULL);
 180
 181         buf = calloc(1, sizeof(struct tm));
 182         TDM_GOTO_IF_FAIL(buf != NULL, failed_make);
 183
 184         fullpath = calloc(1, TDM_PATH_LEN * sizeof(char));
 185         TDM_GOTO_IF_FAIL(fullpath != NULL, failed_make);
 186
 187         t = localtime_r(&timer, buf);
 188         TDM_GOTO_IF_FAIL(t != NULL, failed_make);
 189
 190         snprintf(fullpath, TDM_PATH_LEN, "%s/dump_%04d%02d%02d.%02d%02d%02d", path,
 191                          t->tm_year+1900, t->tm_mon+1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
 192
 193         if ((mkdir(fullpath, 0755)) < 0) {
 194                 TDM_ERR("mkdir '%s' fail\n", fullpath);
 195                 TDM_SNPRINTF(reply, len, "mkdir '%s' fail\n", fullpath);
 196                 goto failed_make;
 197         }
 198
 199         free(buf);
 200
 201         return fullpath;
 202 failed_make:
 203         if (fullpath)
 204                 free(fullpath);
 205         if (buf)
 206                 free(buf);
 207         return NULL;
 208 }
 209
 210 INTERN void
 211 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str)
 212 {
 213         tbm_surface_info_s info;
 214         const char *ext;
 215         char file[TDM_PATH_LEN];
 216         int ret, bw;
 217
 218         TDM_RETURN_IF_FAIL(buffer != NULL);
 219         TDM_RETURN_IF_FAIL(str != NULL);
 220
 221         if (!dir) {
 222                 dir = tdm_helper_dump_make_directory(TDM_DUMP_DIR, NULL, NULL);
 223                 TDM_RETURN_IF_FAIL(dir != NULL);
 224         }
 225
 226         ret = tbm_surface_get_info(buffer, &info);
 227         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 228
 229         if (info.format == TBM_FORMAT_ARGB8888 || info.format == TBM_FORMAT_XRGB8888) {
 230                 ext = file_exts[0];
 231                 bw = info.planes[0].stride >> 2;
 232         } else {
 233                 ext = file_exts[1];
 234                 bw = info.planes[0].stride;
 235         }
 236
 237         snprintf(file, TDM_PATH_LEN, "%s/%c%c%c%c_%dx%d_%s.%s",
 238                          dir, FOURCC_STR(info.format), bw, info.height, str, ext);
 239
 240         tdm_helper_dump_buffer(buffer, file);
 241 }
 242
 243 EXTERN void
 244 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file)
 245 {
 246         tbm_surface_info_s info;
 247         int len, ret;
 248         const char *ext;
 249
 250         TDM_RETURN_IF_FAIL(buffer != NULL);
 251         TDM_RETURN_IF_FAIL(file != NULL);
 252
 253         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 254         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 255
 256         len = strnlen(file, 1024);
 257         if (info.format == TBM_FORMAT_ARGB8888 || info.format == TBM_FORMAT_XRGB8888)
 258                 ext = file_exts[0];
 259         else
 260                 ext = file_exts[1];
 261
 262         if (strncmp(file + (len - 3), ext, 3)) {
 263                 TDM_ERR("can't dump to '%s' file", file + (len - 3));
 264                 tbm_surface_unmap(buffer);
 265                 return;
 266         }
 267
 268         switch (info.format) {
 269         case TBM_FORMAT_ARGB8888:
 270         case TBM_FORMAT_XRGB8888:
 271                 _tdm_helper_dump_png(file, info.planes[0].ptr,
 272                                                          info.planes[0].stride >> 2, info.height);
 273                 break;
 274         case TBM_FORMAT_YVU420:
 275         case TBM_FORMAT_YUV420:
 276                 _tdm_helper_dump_raw(file,
 277                                                          info.planes[0].ptr,
 278                                                          info.planes[0].stride * info.height,
 279                                                          info.planes[1].ptr,
 280                                                          info.planes[1].stride * (info.height >> 1),
 281                                                          info.planes[2].ptr,
 282                                                          info.planes[2].stride * (info.height >> 1));
 283                 break;
 284         case TBM_FORMAT_NV12:
 285         case TBM_FORMAT_NV21:
 286                 _tdm_helper_dump_raw(file,
 287                                                          info.planes[0].ptr,
 288                                                          info.planes[0].stride * info.height,
 289                                                          info.planes[1].ptr,
 290                                                          info.planes[1].stride * (info.height >> 1), NULL,
 291                                                          0);
 292                 break;
 293         case TBM_FORMAT_YUYV:
 294         case TBM_FORMAT_UYVY:
 295                 _tdm_helper_dump_raw(file,
 296                                                          info.planes[0].ptr,
 297                                                          info.planes[0].stride * info.height, NULL, 0,
 298                                                          NULL, 0);
 299                 break;
 300         default:
 301                 TDM_ERR("can't dump %c%c%c%c buffer", FOURCC_STR(info.format));
 302                 tbm_surface_unmap(buffer);
 303                 return;
 304         }
 305
 306         tbm_surface_unmap(buffer);
 307
 308         TDM_INFO("dump %s", file);
 309 }
 310
 311 EXTERN void
 312 tdm_helper_clear_buffer(tbm_surface_h buffer)
 313 {
 314         tbm_surface_info_s info;
 315         int ret;
 316
 317         TDM_RETURN_IF_FAIL(buffer != NULL);
 318
 319         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 320         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 321
 322         switch (info.format) {
 323         case TBM_FORMAT_ARGB8888:
 324         case TBM_FORMAT_XRGB8888:
 325                 memset(info.planes[0].ptr, 0, info.planes[0].stride * info.height);
 326                 break;
 327         case TBM_FORMAT_YVU420:
 328         case TBM_FORMAT_YUV420:
 329                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 330                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 331                 memset((char*)info.planes[2].ptr, 0x80, info.planes[2].stride * (info.height >> 1));
 332                 break;
 333         case TBM_FORMAT_NV12:
 334         case TBM_FORMAT_NV21:
 335                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 336                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 337                 break;
 338         case TBM_FORMAT_YUYV: {
 339                 int *ibuf = (int*)info.planes[0].ptr;
 340                 int i, size = info.planes[0].stride * info.height / 4;
 341
 342                 for (i = 0 ; i < size ; i++)
 343                         ibuf[i] = 0x10801080;
 344         }
 345         break;
 346         case TBM_FORMAT_UYVY: {
 347                 int *ibuf = (int*)info.planes[0].ptr;
 348                 int i, size = info.planes[0].stride * info.height / 4;
 349
 350                 for (i = 0 ; i < size ; i++)
 351                         ibuf[i] = 0x80108010; /* YUYV -> 0xVYUY */
 352         }
 353         break;
 354         default:
 355                 TDM_ERR("can't clear %c%c%c%c buffer", FOURCC_STR(info.format));
 356                 break;
 357         }
 358
 359         tbm_surface_unmap(buffer);
 360 }
 361
 362 EXTERN int
 363 tdm_helper_get_fd(const char *env)
 364 {
 365         const char *value;
 366         int fd, newfd, flags, ret;
 367
 368         value = (const char*)getenv(env);
 369         if (!value)
 370                 return -1;
 371
 372         ret = sscanf(value, "%d", &fd);
 373         if (ret < 0) {
 374                 TDM_ERR("sscanf failed: %m");
 375                 return -1;
 376         }
 377
 378         flags = fcntl(fd, F_GETFD);
 379         if (flags == -1) {
 380                 TDM_ERR("fcntl failed: %m");
 381                 return -1;
 382         }
 383
 384         newfd = dup(fd);
 385         if (newfd < 0) {
 386                 TDM_ERR("dup failed: %m");
 387                 return -1;
 388         }
 389
 390         TDM_INFO("%s: fd(%d) newfd(%d)", env, fd, newfd);
 391
 392         fcntl(newfd, F_SETFD, flags | FD_CLOEXEC);
 393
 394         return newfd;
 395 }
 396
 397 EXTERN void
 398 tdm_helper_set_fd(const char *env, int fd)
 399 {
 400         char buf[32];
 401         int ret;
 402
 403         snprintf(buf, sizeof(buf), "%d", fd);
 404
 405         ret = setenv(env, (const char*)buf, 1);
 406         if (ret) {
 407                 TDM_ERR("setenv failed: %m");
 408                 return;
 409         }
 410
 411         if (fd >= 0)
 412                 TDM_INFO("%s: fd(%d)", env, fd);
 413 }
 414
 415 EXTERN void
 416 tdm_helper_dump_start(char *dumppath, int *count)
 417 {
 418         if (dumppath == NULL || count == NULL) {
 419                 TDM_DBG("tdm_helper_dump dumppath or count is null.");
 420                 return;
 421         }
 422
 423         tdm_dump_enable = 1;
 424
 425         TDM_DBG("tdm_helper_dump start.(path : %s)", dumppath);
 426 }
 427
 428 EXTERN void
 429 tdm_helper_dump_stop(void)
 430 {
 431         tdm_dump_enable = 0;
 432
 433         TDM_DBG("tdm_helper_dump stop.");
 434 }
 435
 436 static pixman_format_code_t
 437 _tdm_helper_pixman_format_get(tbm_format format)
 438 {
 439         switch (format) {
 440         case TBM_FORMAT_ARGB8888:
 441                 return PIXMAN_a8r8g8b8;
 442         case TBM_FORMAT_XRGB8888:
 443                 return PIXMAN_x8r8g8b8;
 444         default:
 445                 return 0;
 446         }
 447
 448         return 0;
 449 }
 450
 451 static tdm_error
 452 _tdm_helper_buffer_convert(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
 453                                                    int dx, int dy, int dw, int dh, int count)
 454 {
 455         pixman_image_t *src_img = NULL, *dst_img = NULL;
 456         pixman_format_code_t src_format, dst_format;
 457         pixman_transform_t t;
 458         struct pixman_f_transform ft;
 459         pixman_op_t op;
 460         tbm_surface_info_s src_info = {0, };
 461         tbm_surface_info_s dst_info = {0, };
 462         int stride, width;
 463         double scale_x, scale_y;
 464
 465         TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 466         TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 467
 468         if (tbm_surface_map(srcbuf, TBM_SURF_OPTION_READ, &src_info)
 469                         != TBM_SURFACE_ERROR_NONE) {
 470                 TDM_ERR("cannot mmap srcbuf\n");
 471                 return TDM_ERROR_OPERATION_FAILED;
 472         }
 473
 474         if (tbm_surface_map(dstbuf, TBM_SURF_OPTION_WRITE, &dst_info)
 475                         != TBM_SURFACE_ERROR_NONE) {
 476                 TDM_ERR("cannot mmap dstbuf\n");
 477                 tbm_surface_unmap(srcbuf);
 478                 return TDM_ERROR_OPERATION_FAILED;
 479         }
 480         TDM_GOTO_IF_FAIL(src_info.num_planes == 1, cant_convert);
 481         TDM_GOTO_IF_FAIL(dst_info.num_planes == 1, cant_convert);
 482
 483         /* src */
 484         src_format = _tdm_helper_pixman_format_get(src_info.format);
 485         TDM_GOTO_IF_FAIL(src_format > 0, cant_convert);
 486
 487         width = src_info.planes[0].stride / 4;
 488         stride = src_info.planes[0].stride;
 489         src_img = pixman_image_create_bits(src_format, width, src_info.height,
 490                                                                            (uint32_t*)src_info.planes[0].ptr, stride);
 491         TDM_GOTO_IF_FAIL(src_img != NULL, cant_convert);
 492
 493         /* dst */
 494         dst_format = _tdm_helper_pixman_format_get(dst_info.format);
 495         TDM_GOTO_IF_FAIL(dst_format > 0, cant_convert);
 496
 497         width = dst_info.planes[0].stride / 4;
 498         stride = dst_info.planes[0].stride;
 499         dst_img = pixman_image_create_bits(dst_format, width, dst_info.height,
 500                                                                            (uint32_t*)dst_info.planes[0].ptr, stride);
 501         TDM_GOTO_IF_FAIL(dst_img != NULL, cant_convert);
 502
 503         pixman_f_transform_init_identity(&ft);
 504
 505         scale_x = (double)src_info.width / dw;
 506         scale_y = (double)src_info.height / dh;
 507
 508         pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
 509         pixman_f_transform_translate(&ft, NULL, 0, 0);
 510         pixman_transform_from_pixman_f_transform(&t, &ft);
 511         pixman_image_set_transform(src_img, &t);
 512
 513         if (count == 0)
 514                 op = PIXMAN_OP_SRC;
 515         else
 516                 op = PIXMAN_OP_OVER;
 517
 518         pixman_image_composite(op, src_img, NULL, dst_img,
 519                                                    0, 0, 0, 0, dx, dy, dw, dh);
 520
 521         if (src_img)
 522                 pixman_image_unref(src_img);
 523         if (dst_img)
 524                 pixman_image_unref(dst_img);
 525
 526         tbm_surface_unmap(srcbuf);
 527         tbm_surface_unmap(dstbuf);
 528
 529         return TDM_ERROR_NONE;
 530
 531 cant_convert:
 532         if (src_img)
 533                 pixman_image_unref(src_img);
 534
 535         tbm_surface_unmap(srcbuf);
 536         tbm_surface_unmap(dstbuf);
 537
 538         return TDM_ERROR_OPERATION_FAILED;
 539 }
 540
 541 EXTERN tdm_error
 542 tdm_helper_capture_output(tdm_output *output, tbm_surface_h dst_buffer,
 543                                                   int x, int y, int w, int h,
 544                                                   tdm_helper_capture_handler func, void *data)
 545 {
 546         tbm_surface_h surface;
 547         tdm_error err;
 548         int i, count, first = 0;
 549
 550         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 551         TDM_RETURN_VAL_IF_FAIL(dst_buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 552         TDM_RETURN_VAL_IF_FAIL(x >= 0, TDM_ERROR_INVALID_PARAMETER);
 553         TDM_RETURN_VAL_IF_FAIL(y >= 0, TDM_ERROR_INVALID_PARAMETER);
 554         TDM_RETURN_VAL_IF_FAIL(w >= 0, TDM_ERROR_INVALID_PARAMETER);
 555         TDM_RETURN_VAL_IF_FAIL(h >= 0, TDM_ERROR_INVALID_PARAMETER);
 556         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 557         TDM_RETURN_VAL_IF_FAIL(data != NULL, TDM_ERROR_INVALID_PARAMETER);
 558
 559         err = tdm_output_get_layer_count(output, &count);
 560         if (err != TDM_ERROR_NONE) {
 561                 TDM_ERR("tdm_output_get_layer_count fail(%d)\n", err);
 562                 return TDM_ERROR_OPERATION_FAILED;
 563         }
 564         if (count <= 0) {
 565                 TDM_ERR("tdm_output_get_layer_count err(%d, %d)\n", err, count);
 566                 return TDM_ERROR_BAD_MODULE;
 567         }
 568
 569         for (i = count - 1; i >= 0; i--) {
 570                 tdm_layer *layer = tdm_output_get_layer(output, i, NULL);
 571
 572                 surface = tdm_layer_get_displaying_buffer(layer, &err);
 573                 if (err != TDM_ERROR_NONE)
 574                         continue;
 575
 576                 err = _tdm_helper_buffer_convert(surface, dst_buffer, x, y, w, h, first++);
 577                 if (err != TDM_ERROR_NONE)
 578                         TDM_DBG("convert fail %d-layer buffer\n", i);
 579                 else
 580                         TDM_DBG("convert success %d-layer buffer\n", i);
 581         }
 582
 583         func(dst_buffer, data);
 584
 585         return TDM_ERROR_NONE;
 586 }
 587
 588 EXTERN void
 589 tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len)
 590 {
 591         tdm_private_display *private_display;
 592         tdm_backend_module *module_data;
 593         tdm_func_output *func_output;
 594         tdm_func_layer *func_layer;
 595         tdm_private_output *private_output = NULL;
 596         tdm_private_layer *private_layer = NULL;
 597         tdm_private_pp *private_pp = NULL;
 598         tdm_private_capture *private_capture = NULL;
 599         tdm_error ret;
 600         int i;
 601
 602         TDM_DBG_RETURN_IF_FAIL(dpy != NULL);
 603
 604         private_display = dpy;
 605         func_output = &private_display->func_output;
 606         func_layer = &private_display->func_layer;
 607         _pthread_mutex_lock(&private_display->lock);
 608
 609         /* module information */
 610         module_data = private_display->module_data;
 611         TDM_SNPRINTF(reply, len, "[TDM backend information]\n");
 612         TDM_SNPRINTF(reply, len, "name: %s\n", module_data->name);
 613         TDM_SNPRINTF(reply, len, "vendor: %s\n", module_data->vendor);
 614         TDM_SNPRINTF(reply, len, "version: %d.%d\n\n",
 615                                  (int)TDM_BACKEND_GET_ABI_MAJOR(module_data->abi_version),
 616                                  (int)TDM_BACKEND_GET_ABI_MINOR(module_data->abi_version));
 617
 618         /* output information */
 619         TDM_SNPRINTF(reply, len, "[Output information]\n");
 620         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 621         TDM_SNPRINTF(reply, len, "idx   maker   model   name   type   status   dpms   subpixel   align_w   min   max   phy(mm)\n");
 622         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 623         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
 624                 TDM_SNPRINTF(reply, len, "%d   %s   %s   %s   %s   %s   %s   %d   %d   %dx%d   %dx%d   %dx%d\n",
 625                                          private_output->index, private_output->caps.maker,
 626                                          private_output->caps.model, private_output->caps.name,
 627                                          tdm_conn_str(private_output->caps.type),
 628                                          tdm_status_str(private_output->caps.status),
 629                                          tdm_dpms_str(private_output->current_dpms_value),
 630                                          private_output->caps.subpixel,
 631                                          private_output->caps.preferred_align,
 632                                          private_output->caps.min_w, private_output->caps.min_h,
 633                                          private_output->caps.max_w, private_output->caps.max_h,
 634                                          private_output->caps.mmWidth, private_output->caps.mmHeight);
 635
 636                 TDM_SNPRINTF(reply, len, "\t%d modes:\n", private_output->caps.mode_count);
 637
 638                 if (private_output->caps.mode_count > 0) {
 639                         const tdm_output_mode *current_mode = NULL;
 640
 641                         TDM_DBG_GOTO_IF_FAIL(func_output->output_get_mode, unlock);
 642                         ret = func_output->output_get_mode(private_output->output_backend, &current_mode);
 643                         TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 644
 645                         TDM_SNPRINTF(reply, len, "\t\t name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot\n");
 646                         for (i = 0; i < private_output->caps.mode_count; i++) {
 647                                 char *current = (current_mode == private_output->caps.modes + i) ? "*" : " ";
 648                                 TDM_SNPRINTF(reply, len, "\t\t%s%s %d %d %d %d %d %d %d %d %d ",
 649                                                          current,
 650                                                          private_output->caps.modes[i].name,
 651                                                          private_output->caps.modes[i].vrefresh,
 652                                                          private_output->caps.modes[i].hdisplay,
 653                                                          private_output->caps.modes[i].hsync_start,
 654                                                          private_output->caps.modes[i].hsync_end,
 655                                                          private_output->caps.modes[i].htotal,
 656                                                          private_output->caps.modes[i].vdisplay,
 657                                                          private_output->caps.modes[i].vsync_start,
 658                                                          private_output->caps.modes[i].vsync_end,
 659                                                          private_output->caps.modes[i].vtotal);
 660                                 tdm_mode_flag_str(private_output->caps.modes[i].flags, &reply, len);
 661                                 TDM_SNPRINTF(reply, len, " ");
 662                                 tdm_mode_type_str(private_output->caps.modes[i].type, &reply, len);
 663                                 TDM_SNPRINTF(reply, len, "\n");
 664                         }
 665                 }
 666
 667                 TDM_SNPRINTF(reply, len, "\t%d properties:\n", private_output->caps.prop_count);
 668                 if (private_output->caps.prop_count > 0) {
 669                         TDM_SNPRINTF(reply, len, "\t\tname\tidx\tvalue\n");
 670                         for (i = 0; i < private_output->caps.prop_count; i++) {
 671                                 tdm_value value;
 672                                 TDM_DBG_GOTO_IF_FAIL(func_output->output_get_property, unlock);
 673                                 ret = func_output->output_get_property(private_output->output_backend,
 674                                                                                                            private_output->caps.props[i].id,
 675                                                                                                            &value);
 676                                 TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 677                                 TDM_SNPRINTF(reply, len, "\t\t%s\t%d\t%d\n",
 678                                                          private_output->caps.props[i].name,
 679                                                          private_output->caps.props[i].id,
 680                                                          value.u32);
 681                         }
 682                 }
 683         }
 684         TDM_SNPRINTF(reply, len, "\n");
 685
 686         /* layer information */
 687         TDM_SNPRINTF(reply, len, "[Layer information]\n");
 688         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 689         TDM_SNPRINTF(reply, len, "idx   output   zpos   buf   format   size   crop   geometry   transform\n");
 690         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 691         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
 692                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 693                         if (!private_layer->usable) {
 694                                 tdm_info_layer info;
 695                                 unsigned int format;
 696                                 tdm_size size;
 697                                 tbm_surface_info_s buf_info;
 698
 699                                 TDM_DBG_GOTO_IF_FAIL(func_layer->layer_get_info, unlock);
 700                                 memset(&info, 0, sizeof info);
 701                                 ret = func_layer->layer_get_info(private_layer->layer_backend, &info);
 702                                 TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 703
 704                                 format = tbm_surface_get_format(private_layer->showing_buffer);
 705                                 tbm_surface_get_info(private_layer->showing_buffer, &buf_info);
 706
 707                                 if (IS_RGB(format))
 708                                         size.h = buf_info.planes[0].stride >> 2;
 709                                 else
 710                                         size.h = buf_info.planes[0].stride;
 711                                 size.v = tbm_surface_get_height(private_layer->showing_buffer);
 712
 713                                 if (info.src_config.format)
 714                                         format = (info.src_config.format)?:format;
 715
 716                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   %p   %c%c%c%c   %dx%d   %dx%d+%d+%d   %dx%d+%d+%d   %s\n",
 717                                                          private_layer->index,
 718                                                          private_output->index,
 719                                                          private_layer->caps.zpos,
 720                                                          private_layer->showing_buffer, FOURCC_STR(format), size.h, size.v,
 721                                                          info.src_config.pos.w, info.src_config.pos.h, info.src_config.pos.x, info.src_config.pos.y,
 722                                                          info.dst_pos.w, info.dst_pos.h, info.dst_pos.x, info.dst_pos.y,
 723                                                          tdm_transform_str(info.transform));
 724                         } else {
 725                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   -\n",
 726                                                          private_layer->index,
 727                                                          private_output->index,
 728                                                          private_layer->caps.zpos);
 729                         }
 730
 731                         TDM_SNPRINTF(reply, len, "\tcaps\t: ");
 732                         tdm_layer_caps_str(private_layer->caps.capabilities, &reply, len);
 733                         TDM_SNPRINTF(reply, len, "\n");
 734
 735                         TDM_SNPRINTF(reply, len, "\tformats\t: ");
 736                         if (private_layer->caps.format_count > 0) {
 737                                 const char *sep = "";
 738                                 for (i = 0; i < private_layer->caps.format_count; i++) {
 739                                         if (private_layer->caps.formats[i] == 0)
 740                                                 continue;
 741                                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_layer->caps.formats[i]));
 742                                         sep = ",";
 743                                 }
 744                                 TDM_SNPRINTF(reply, len, "\n");
 745                         }
 746
 747                         TDM_SNPRINTF(reply, len, "\t%d properties:\n", private_layer->caps.prop_count);
 748                         if (private_layer->caps.prop_count > 0) {
 749                                 TDM_SNPRINTF(reply, len, "\t\tname\tidx\tvalue\n");
 750                                 for (i = 0; i < private_layer->caps.prop_count; i++) {
 751                                         tdm_value value;
 752                                         TDM_DBG_GOTO_IF_FAIL(func_layer->layer_get_property, unlock);
 753                                         ret = func_layer->layer_get_property(private_layer->layer_backend,
 754                                                                                                                  private_layer->caps.props[i].id,
 755                                                                                                                  &value);
 756                                         TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 757                                         TDM_SNPRINTF(reply, len, "\t\t%s\t%d\t%d\n",
 758                                                                  private_layer->caps.props[i].name,
 759                                                                  private_layer->caps.props[i].id,
 760                                                                  value.u32);
 761                                 }
 762                         }
 763                 }
 764         }
 765         TDM_SNPRINTF(reply, len, "\n");
 766
 767         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 768                 const char *sep = "";
 769                 TDM_SNPRINTF(reply, len, "[PP information]\n");
 770                 TDM_SNPRINTF(reply, len, "caps\t: ");
 771                 tdm_pp_caps_str(private_display->caps_pp.capabilities, &reply, len);
 772                 TDM_SNPRINTF(reply, len, "\n");
 773                 TDM_SNPRINTF(reply, len, "formats\t: ");
 774                 for (i = 0; i < private_display->caps_pp.format_count; i++) {
 775                         if (private_display->caps_pp.formats[i] == 0)
 776                                 continue;
 777                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_display->caps_pp.formats[i]));
 778                         sep = ",";
 779                 }
 780                 TDM_SNPRINTF(reply, len, "\n");
 781                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
 782                                          private_display->caps_pp.min_w, private_display->caps_pp.min_h,
 783                                          private_display->caps_pp.max_w, private_display->caps_pp.max_h,
 784                                          private_display->caps_pp.preferred_align);
 785                 if (!LIST_IS_EMPTY(&private_display->pp_list)) {
 786                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
 787                         TDM_SNPRINTF(reply, len, "src(format size crop)  |  dst(format size crop)  |  transform\n");
 788                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
 789                         LIST_FOR_EACH_ENTRY(private_pp, &private_display->pp_list, link) {
 790                                 TDM_SNPRINTF(reply, len, "%c%c%c%c %dx%d %dx%d+%d+%d | %c%c%c%c %dx%d %dx%d+%d+%d | %s\n",
 791                                                          FOURCC_STR(private_pp->info.src_config.format),
 792                                                          private_pp->info.src_config.size.h,
 793                                                          private_pp->info.src_config.size.v,
 794                                                          private_pp->info.src_config.pos.x, private_pp->info.src_config.pos.y,
 795                                                          private_pp->info.src_config.pos.w, private_pp->info.src_config.pos.h,
 796                                                          FOURCC_STR(private_pp->info.dst_config.format),
 797                                                          private_pp->info.dst_config.size.h,
 798                                                          private_pp->info.dst_config.size.v,
 799                                                          private_pp->info.dst_config.pos.x, private_pp->info.dst_config.pos.y,
 800                                                          private_pp->info.dst_config.pos.w, private_pp->info.dst_config.pos.h,
 801                                                          tdm_transform_str(private_pp->info.transform));
 802                         }
 803                 }
 804         } else {
 805                 TDM_SNPRINTF(reply, len, "[No PP capability]\n");
 806         }
 807         TDM_SNPRINTF(reply, len, "\n");
 808
 809         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
 810                 const char *sep = "";
 811                 TDM_SNPRINTF(reply, len, "[Capture information]\n");
 812                 TDM_SNPRINTF(reply, len, "caps\t: ");
 813                 tdm_capture_caps_str(private_display->caps_capture.capabilities, &reply, len);
 814                 TDM_SNPRINTF(reply, len, "\n");
 815                 TDM_SNPRINTF(reply, len, "formats\t: ");
 816                 for (i = 0; i < private_display->caps_capture.format_count; i++) {
 817                         if (private_display->caps_capture.formats[i] == 0)
 818                                 continue;
 819                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_display->caps_capture.formats[i]));
 820                         sep = ",";
 821                 }
 822                 TDM_SNPRINTF(reply, len, "\n");
 823                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
 824                                          private_display->caps_capture.min_w, private_display->caps_capture.min_h,
 825                                          private_display->caps_capture.max_w, private_display->caps_capture.max_h,
 826                                          private_display->caps_capture.preferred_align);
 827                 if (!LIST_IS_EMPTY(&private_display->capture_list)) {
 828                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
 829                         TDM_SNPRINTF(reply, len, "dst(format size crop)  |  transform\n");
 830                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
 831                         LIST_FOR_EACH_ENTRY(private_capture, &private_display->capture_list, link) {
 832                                 TDM_SNPRINTF(reply, len, "%c%c%c%c %dx%d %dx%d+%d+%d | %s\n",
 833                                                          FOURCC_STR(private_capture->info.dst_config.format),
 834                                                          private_capture->info.dst_config.size.h,
 835                                                          private_capture->info.dst_config.size.v,
 836                                                          private_capture->info.dst_config.pos.x, private_capture->info.dst_config.pos.y,
 837                                                          private_capture->info.dst_config.pos.w, private_capture->info.dst_config.pos.h,
 838                                                          tdm_transform_str(private_capture->info.transform));
 839                         }
 840                 }
 841         } else {
 842                 TDM_SNPRINTF(reply, len, "[No Capture capability]\n");
 843         }
 844         TDM_SNPRINTF(reply, len, "\n");
 845
 846 unlock:
 847         _pthread_mutex_unlock(&private_display->lock);
 848 }