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 <boram1288.park@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 <pixman.h>
  42
  43 #include "tdm_private.h"
  44
  45 #define PNG_DEPTH 8
  46
  47 static const char *file_exts[2] = {"png", "raw"};
  48
  49 int tdm_dump_enable;
  50 char *tdm_debug_dump_dir;
  51
  52 EXTERN double
  53 tdm_helper_get_time(void)
  54 {
  55         struct timespec tp;
  56
  57         if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
  58                 return (double)tp.tv_sec + ((double)tp.tv_nsec) / 1000000000.0;
  59
  60         return 0;
  61 }
  62
  63 static int
  64 _tdm_helper_check_file_is_symbolic_link(const char* path)
  65 {
  66         struct stat sb;
  67
  68         if (!path)
  69                 return 0;
  70
  71         if (stat(path, &sb) != 0)
  72                 return 0;
  73
  74         if (S_ISLNK(sb.st_mode))
  75                 return 1;
  76
  77         return 0;
  78 }
  79
  80 static void
  81 _tdm_helper_dump_raw(const char *file, void *data1, int size1, void *data2,
  82                                          int size2, void *data3, int size3)
  83 {
  84         unsigned int *blocks;
  85         FILE *fp;
  86
  87         if (_tdm_helper_check_file_is_symbolic_link(file)) {
  88                 TDM_ERR("'%s' may be symbolic link\n", file);
  89                 return;
  90         }
  91
  92         fp = fopen(file, "w+");
  93         TDM_RETURN_IF_FAIL(fp != NULL);
  94
  95         blocks = (unsigned int *)data1;
  96         fwrite(blocks, 1, size1, fp);
  97
  98         if (size2 > 0) {
  99                 blocks = (unsigned int *)data2;
 100                 fwrite(blocks, 1, size2, fp);
 101         }
 102
 103         if (size3 > 0) {
 104                 blocks = (unsigned int *)data3;
 105                 fwrite(blocks, 1, size3, fp);
 106         }
 107
 108         fclose(fp);
 109 }
 110
 111 static void
 112 _tdm_helper_dump_png(const char *file, const void *data, int width,
 113                                          int height)
 114 {
 115         FILE *fp;
 116
 117         if (_tdm_helper_check_file_is_symbolic_link(file)) {
 118                 TDM_ERR("'%s' may be symbolic link\n", file);
 119                 return;
 120         }
 121
 122         fp = fopen(file, "wb");
 123         TDM_RETURN_IF_FAIL(fp != NULL);
 124
 125         png_structp pPngStruct =
 126                 png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
 127         if (!pPngStruct) {
 128                 fclose(fp);
 129                 return;
 130         }
 131
 132         png_infop pPngInfo = png_create_info_struct(pPngStruct);
 133         if (!pPngInfo) {
 134                 png_destroy_write_struct(&pPngStruct, NULL);
 135                 fclose(fp);
 136                 return;
 137         }
 138
 139         png_init_io(pPngStruct, fp);
 140         png_set_IHDR(pPngStruct,
 141                                  pPngInfo,
 142                                  width,
 143                                  height,
 144                                  PNG_DEPTH,
 145                                  PNG_COLOR_TYPE_RGBA,
 146                                  PNG_INTERLACE_NONE,
 147                                  PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
 148
 149         png_set_bgr(pPngStruct);
 150         png_write_info(pPngStruct, pPngInfo);
 151
 152         const int pixel_size = 4;       // RGBA
 153         png_bytep *row_pointers =
 154                 png_malloc(pPngStruct, height * sizeof(png_byte *));
 155         if (!row_pointers) {
 156                 png_destroy_write_struct(&pPngStruct, &pPngInfo);
 157                 fclose(fp);
 158                 return;
 159         }
 160
 161         unsigned int *blocks = (unsigned int *)data;
 162         int y = 0;
 163         int x = 0;
 164
 165         for (; y < height; ++y) {
 166                 png_bytep row =
 167                         png_malloc(pPngStruct, sizeof(png_byte) * width * pixel_size);
 168                 if (!row) {
 169                         for (x = 0; x < y; x++)
 170                                 png_free(pPngStruct, row_pointers[x]);
 171                         png_free(pPngStruct, row_pointers);
 172                         png_destroy_write_struct(&pPngStruct, &pPngInfo);
 173                         fclose(fp);
 174                         return;
 175                 }
 176
 177                 row_pointers[y] = (png_bytep)row;
 178                 for (x = 0; x < width; ++x) {
 179                         unsigned int curBlock = blocks[y * width + x];
 180                         row[x * pixel_size] = (curBlock & 0xFF);
 181                         row[1 + x * pixel_size] = (curBlock >> 8) & 0xFF;
 182                         row[2 + x * pixel_size] = (curBlock >> 16) & 0xFF;
 183                         row[3 + x * pixel_size] = (curBlock >> 24) & 0xFF;
 184                 }
 185         }
 186
 187         png_write_image(pPngStruct, row_pointers);
 188         png_write_end(pPngStruct, pPngInfo);
 189
 190         for (y = 0; y < height; y++)
 191                 png_free(pPngStruct, row_pointers[y]);
 192         png_free(pPngStruct, row_pointers);
 193
 194         png_destroy_write_struct(&pPngStruct, &pPngInfo);
 195
 196         fclose(fp);
 197 }
 198
 199 /* LCOV_EXCL_START */
 200 INTERN char *
 201 tdm_helper_dump_make_directory(const char *path, char *reply, int *len)
 202 {
 203         char *fullpath = NULL;
 204         time_t timer;
 205         struct tm *t, *buf = NULL;
 206
 207         timer = time(NULL);
 208
 209         buf = calloc(1, sizeof(struct tm));
 210         TDM_GOTO_IF_FAIL(buf != NULL, failed_make);
 211
 212         fullpath = calloc(1, TDM_PATH_LEN * sizeof(char));
 213         TDM_GOTO_IF_FAIL(fullpath != NULL, failed_make);
 214
 215         t = localtime_r(&timer, buf);
 216         TDM_GOTO_IF_FAIL(t != NULL, failed_make);
 217
 218         snprintf(fullpath, TDM_PATH_LEN, "%s/dump_%04d%02d%02d.%02d%02d%02d", path,
 219                          t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
 220
 221         if ((mkdir(fullpath, 0755)) < 0) {
 222                 TDM_ERR("mkdir '%s' fail\n", fullpath);
 223                 TDM_SNPRINTF(reply, len, "mkdir '%s' fail\n", fullpath);
 224                 goto failed_make;
 225         }
 226
 227         free(buf);
 228
 229         return fullpath;
 230 failed_make:
 231         if (fullpath)
 232                 free(fullpath);
 233         if (buf)
 234                 free(buf);
 235         return NULL;
 236 }
 237
 238 EXTERN void
 239 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str)
 240 {
 241         tbm_surface_info_s info;
 242         char file[TDM_PATH_LEN];
 243         int ret, bw, bh;
 244
 245         TDM_RETURN_IF_FAIL(buffer != NULL);
 246         TDM_RETURN_IF_FAIL(str != NULL);
 247
 248         if (!dir)
 249                 dir = ".";
 250
 251         ret = tbm_surface_get_info(buffer, &info);
 252         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 253
 254         tdm_helper_get_buffer_full_size(buffer, &bw, &bh);
 255
 256         snprintf(file, TDM_PATH_LEN, "%s/%c%c%c%c_%dx%d_%dx%d_%s",
 257                          dir, FOURCC_STR(info.format), bw, bh, info.width, info.height, str);
 258
 259         tdm_helper_dump_buffer(buffer, file);
 260 }
 261 /* LCOV_EXCL_STOP */
 262
 263 EXTERN void
 264 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file)
 265 {
 266         char temp[TDM_PATH_LEN] = {0,};
 267         tbm_surface_info_s info;
 268         int len, ret;
 269         const char *ext;
 270         int bo_cnt;
 271         int bw, bh;
 272         char *dot, *p = temp;
 273
 274         TDM_RETURN_IF_FAIL(buffer != NULL);
 275         TDM_RETURN_IF_FAIL(file != NULL);
 276
 277         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 278         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 279
 280         if (IS_RGB(info.format))
 281                 ext = file_exts[0];
 282         else
 283                 ext = file_exts[1];
 284
 285         dot = strrchr(file, '.');
 286         if (!dot || strlen(dot + 1) != 3 || strncmp(dot + 1, ext, 3)) {
 287                 len = strnlen(file, TDM_PATH_LEN - 5);
 288                 strncat(p, file, len);
 289                 p += len;
 290                 *(p++) = '.';
 291                 strncat(p, ext, 3);
 292                 p += 3;
 293                 *p = '\0';
 294         } else {
 295                 len = strnlen(file, TDM_PATH_LEN - 1);
 296                 strncat(p, file, len);
 297                 p += len;
 298                 *p = '\0';
 299         }
 300
 301         tdm_helper_get_buffer_full_size(buffer, &bw, &bh);
 302
 303         bo_cnt = tbm_surface_internal_get_num_bos(buffer);
 304         TDM_DBG("buffer: bo_cnt(%d) %dx%d(%dx%d) %c%c%c%c, plane: (%p+%d, %d,%d) (%p+%d, %d,%d) (%p+%d, %d,%d)",
 305                         bo_cnt, bw, bh, info.width, info.height, FOURCC_STR(info.format),
 306                         info.planes[0].ptr, info.planes[0].offset, info.planes[0].stride, info.planes[0].size,
 307                         info.planes[1].ptr, info.planes[1].offset, info.planes[1].stride, info.planes[1].size,
 308                         info.planes[2].ptr, info.planes[2].offset, info.planes[2].stride, info.planes[2].size);
 309
 310         switch (info.format) {
 311         case TBM_FORMAT_ARGB8888:
 312         case TBM_FORMAT_XRGB8888:
 313                 _tdm_helper_dump_png(temp, info.planes[0].ptr, bw, bh);
 314                 break;
 315         case TBM_FORMAT_YVU420:
 316         case TBM_FORMAT_YUV420:
 317                 _tdm_helper_dump_raw((const char*)temp,
 318                                                          info.planes[0].ptr,
 319                                                          info.planes[0].size,
 320                                                          info.planes[1].ptr,
 321                                                          info.planes[1].size,
 322                                                          info.planes[2].ptr,
 323                                                          info.planes[2].size);
 324                 break;
 325         case TBM_FORMAT_NV12:
 326         case TBM_FORMAT_NV21:
 327                 _tdm_helper_dump_raw((const char*)temp,
 328                                                          info.planes[0].ptr,
 329                                                          info.planes[0].size,
 330                                                          info.planes[1].ptr,
 331                                                          info.planes[1].size, NULL,
 332                                                          0);
 333                 break;
 334         default:
 335                 _tdm_helper_dump_raw((const char*)temp,
 336                                                          info.planes[0].ptr,
 337                                                          info.planes[0].size,
 338                                                          info.planes[1].ptr,
 339                                                          info.planes[1].size,
 340                                                          info.planes[2].ptr,
 341                                                          info.planes[2].size);
 342                 break;
 343         }
 344
 345         tbm_surface_unmap(buffer);
 346
 347         TDM_INFO("dump %s", temp);
 348 }
 349
 350 EXTERN void
 351 tdm_helper_clear_buffer_color(tbm_surface_h buffer, tdm_pos *pos, unsigned int color)
 352 {
 353         tbm_surface_info_s info;
 354         int ret;
 355
 356         TDM_RETURN_IF_FAIL(buffer != NULL);
 357
 358         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 359         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 360
 361         switch (info.format) {
 362         case TBM_FORMAT_ARGB8888:
 363         case TBM_FORMAT_XRGB8888:
 364                 if (!pos) {
 365                         memset(info.planes[0].ptr, 0, info.planes[0].stride * info.height);
 366                 } else {
 367                         unsigned char *p;
 368                         int x, y;
 369                         for (y = pos->y; y <= (pos->y + pos->h); y++) {
 370                                 p = info.planes[0].ptr + info.planes[0].stride * y;
 371                                 for (x = pos->x; x <= (pos->x + pos->w); x++) {
 372                                         unsigned int *ibuf = (unsigned int*)p;
 373                                         ibuf[x] = color;
 374                                 }
 375                         }
 376                 }
 377                 break;
 378         case TBM_FORMAT_YVU420:
 379         case TBM_FORMAT_YUV420:
 380                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 381                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 382                 memset((char*)info.planes[2].ptr, 0x80, info.planes[2].stride * (info.height >> 1));
 383                 break;
 384         case TBM_FORMAT_NV12:
 385         case TBM_FORMAT_NV21:
 386                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 387                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 388                 break;
 389         default:
 390                 TDM_ERR("can't clear %c%c%c%c buffer", FOURCC_STR(info.format));
 391                 break;
 392         }
 393
 394         tbm_surface_unmap(buffer);
 395 }
 396
 397 EXTERN void
 398 tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos)
 399 {
 400         TDM_RETURN_IF_FAIL(buffer != NULL);
 401
 402         tdm_helper_clear_buffer_color(buffer, pos, 0);
 403 }
 404
 405 EXTERN void
 406 tdm_helper_clear_buffer(tbm_surface_h buffer)
 407 {
 408         TDM_RETURN_IF_FAIL(buffer != NULL);
 409
 410         tdm_helper_clear_buffer_pos(buffer, NULL);
 411 }
 412
 413 EXTERN void
 414 tdm_helper_get_buffer_full_size(tbm_surface_h buffer, int *buffer_w, int *buffer_h)
 415 {
 416         tbm_surface_info_s info;
 417         int ret;
 418
 419         TDM_RETURN_IF_FAIL(buffer != NULL);
 420
 421         ret = tbm_surface_get_info(buffer, &info);
 422         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 423
 424         if (buffer_w) {
 425                 if (IS_RGB(info.format))
 426                         *buffer_w = info.planes[0].stride >> 2;
 427                 else
 428                         *buffer_w = info.planes[0].stride;
 429         }
 430
 431         if (buffer_h)
 432                 *buffer_h = info.planes[0].size / info.planes[0].stride;
 433 }
 434
 435 static pixman_format_code_t
 436 _tdm_helper_pixman_format_get(tbm_format format)
 437 {
 438         switch (format) {
 439         case TBM_FORMAT_ARGB8888:
 440                 return PIXMAN_a8r8g8b8;
 441         case TBM_FORMAT_XRGB8888:
 442                 return PIXMAN_x8r8g8b8;
 443         default:
 444                 return 0;
 445         }
 446
 447         return 0;
 448 }
 449
 450 EXTERN tdm_error
 451 tdm_helper_convert_buffer(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
 452                                                   tdm_pos *srcpos, tdm_pos *dstpos,
 453                                                   tdm_transform transform, int over)
 454 {
 455         tbm_surface_info_s src_info, dst_info;
 456         pixman_image_t *src_img = NULL, *dst_img = NULL;
 457         pixman_format_code_t src_format, dst_format;
 458         double scale_x, scale_y;
 459         int rotate_step, bos;
 460         pixman_transform_t t;
 461         struct pixman_f_transform ft;
 462         pixman_op_t op;
 463         int src_stride, dst_stride;
 464         int buf_width, err;
 465         tdm_error ret = TDM_ERROR_OPERATION_FAILED;
 466
 467         TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 468         TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 469
 470         bos = tbm_surface_internal_get_num_bos(srcbuf);
 471         TDM_RETURN_VAL_IF_FAIL(bos == 1, TDM_ERROR_OPERATION_FAILED);
 472
 473         bos = tbm_surface_internal_get_num_bos(dstbuf);
 474         TDM_RETURN_VAL_IF_FAIL(bos == 1, TDM_ERROR_OPERATION_FAILED);
 475
 476         err = tbm_surface_map(srcbuf, TBM_OPTION_READ, &src_info);
 477         TDM_RETURN_VAL_IF_FAIL(err == TBM_SURFACE_ERROR_NONE, TDM_ERROR_OPERATION_FAILED);
 478
 479         err = tbm_surface_map(dstbuf, TBM_OPTION_WRITE, &dst_info);
 480         TDM_GOTO_IF_FAIL(err == TBM_SURFACE_ERROR_NONE, unmap_srcbuf);
 481
 482         /* not handle buffers which have 2 more gem handles */
 483         TDM_GOTO_IF_FAIL(src_info.planes[0].ptr != NULL, unmap_dstbuf);
 484         TDM_GOTO_IF_FAIL(dst_info.planes[0].ptr != NULL, unmap_dstbuf);
 485
 486         src_format = _tdm_helper_pixman_format_get(src_info.format);
 487         TDM_GOTO_IF_FAIL(src_format > 0, unmap_dstbuf);
 488         dst_format = _tdm_helper_pixman_format_get(dst_info.format);
 489         TDM_GOTO_IF_FAIL(dst_format > 0, unmap_dstbuf);
 490
 491         buf_width = src_info.planes[0].stride >> 2;
 492         src_stride = src_info.planes[0].stride;
 493         src_img = pixman_image_create_bits(src_format, buf_width, src_info.height,
 494                                                                            (uint32_t*)src_info.planes[0].ptr, src_stride);
 495         TDM_GOTO_IF_FAIL(src_img, unref_img);
 496
 497         buf_width = dst_info.planes[0].stride >> 2;
 498         dst_stride = dst_info.planes[0].stride;
 499         dst_img = pixman_image_create_bits(dst_format, buf_width, dst_info.height,
 500                                                                            (uint32_t*)dst_info.planes[0].ptr, dst_stride);
 501         TDM_GOTO_IF_FAIL(dst_img, unref_img);
 502
 503         pixman_f_transform_init_identity(&ft);
 504
 505         if (transform & TDM_TRANSFORM_FLIPPED) {
 506                 pixman_f_transform_scale(&ft, NULL, -1, 1);
 507                 pixman_f_transform_translate(&ft, NULL, dstpos->w, 0);
 508         }
 509
 510         rotate_step = transform & 0x3;
 511         if (rotate_step > 0) {
 512                 int c, s, tx = 0, ty = 0;
 513                 switch (rotate_step) {
 514                 case 1:
 515                         c = 0, s = -1, tx = -dstpos->w;
 516                         break;
 517                 case 2:
 518                         c = -1, s = 0, tx = -dstpos->w, ty = -dstpos->h;
 519                         break;
 520                 case 3:
 521                         c = 0, s = 1, ty = -dstpos->h;
 522                         break;
 523                 }
 524                 pixman_f_transform_translate(&ft, NULL, tx, ty);
 525                 pixman_f_transform_rotate(&ft, NULL, c, s);
 526         }
 527
 528         if (rotate_step % 2 == 0) {
 529                 scale_x = (double)srcpos->w / dstpos->w;
 530                 scale_y = (double)srcpos->h / dstpos->h;
 531         } else {
 532                 scale_x = (double)srcpos->w / dstpos->h;
 533                 scale_y = (double)srcpos->h / dstpos->w;
 534         }
 535
 536         pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
 537         pixman_f_transform_translate(&ft, NULL, srcpos->x, srcpos->y);
 538         pixman_transform_from_pixman_f_transform(&t, &ft);
 539         pixman_image_set_transform(src_img, &t);
 540
 541         op = (!over) ? PIXMAN_OP_SRC : PIXMAN_OP_OVER;
 542
 543         pixman_image_composite(op, src_img, NULL, dst_img, 0, 0, 0, 0,
 544                                                    dstpos->x, dstpos->y, dstpos->w, dstpos->h);
 545
 546         ret = TDM_ERROR_NONE;
 547
 548 unref_img:
 549         if (src_img)
 550                 pixman_image_unref(src_img);
 551         if (dst_img)
 552                 pixman_image_unref(dst_img);
 553 unmap_dstbuf:
 554         tbm_surface_unmap(dstbuf);
 555 unmap_srcbuf:
 556         tbm_surface_unmap(srcbuf);
 557
 558         return ret;
 559 }
 560
 561 /* LCOV_EXCL_START */
 562 EXTERN int
 563 tdm_helper_get_fd(const char *env)
 564 {
 565         if (strncmp(env, "TBM_DRM_MASTER_FD", 17) && strncmp(env, "TDM_DRM_MASTER_FD", 17)) {
 566                 TDM_INFO("DEPRECATED! '%s'", env);
 567                 return -1;
 568         }
 569
 570         return tbm_drm_helper_get_master_fd();
 571 }
 572
 573 EXTERN void
 574 tdm_helper_set_fd(const char *env, int fd)
 575 {
 576         if (strncmp(env, "TBM_DRM_MASTER_FD", 17) && strncmp(env, "TDM_DRM_MASTER_FD", 17)) {
 577                 TDM_INFO("DEPRECATED! '%s'", env);
 578                 return;
 579         }
 580
 581         tbm_drm_helper_set_tbm_master_fd(fd);
 582 }
 583 /* LCOV_EXCL_STOP */
 584
 585 EXTERN void
 586 tdm_helper_dump_start(char *dumppath, int *count)
 587 {
 588         if (dumppath == NULL || count == NULL) {
 589                 TDM_DBG("tdm_helper_dump dumppath or count is null.");
 590                 return;
 591         }
 592
 593         tdm_dump_enable = 1;
 594
 595         TDM_DBG("tdm_helper_dump start.(path : %s)", dumppath);
 596 }
 597
 598 EXTERN void
 599 tdm_helper_dump_stop(void)
 600 {
 601         tdm_dump_enable = 0;
 602
 603         TDM_DBG("tdm_helper_dump stop.");
 604 }
 605
 606 /* LCOV_EXCL_START */
 607 static tdm_error
 608 _tdm_helper_buffer_convert(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
 609                                                    int dx, int dy, int dw, int dh, int count)
 610 {
 611         pixman_image_t *src_img = NULL, *dst_img = NULL;
 612         pixman_format_code_t src_format, dst_format;
 613         pixman_transform_t t;
 614         struct pixman_f_transform ft;
 615         pixman_op_t op;
 616         tbm_surface_info_s src_info = {0, };
 617         tbm_surface_info_s dst_info = {0, };
 618         int stride, width;
 619         double scale_x, scale_y;
 620
 621         TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 622         TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 623
 624         if (tbm_surface_map(srcbuf, TBM_SURF_OPTION_READ, &src_info) != TBM_SURFACE_ERROR_NONE) {
 625                 TDM_ERR("cannot mmap srcbuf\n");
 626                 return TDM_ERROR_OPERATION_FAILED;
 627         }
 628
 629         if (tbm_surface_map(dstbuf, TBM_SURF_OPTION_WRITE, &dst_info) != TBM_SURFACE_ERROR_NONE) {
 630                 TDM_ERR("cannot mmap dstbuf\n");
 631                 tbm_surface_unmap(srcbuf);
 632                 return TDM_ERROR_OPERATION_FAILED;
 633         }
 634         TDM_GOTO_IF_FAIL(src_info.num_planes == 1, cant_convert);
 635         TDM_GOTO_IF_FAIL(dst_info.num_planes == 1, cant_convert);
 636
 637         /* src */
 638         src_format = _tdm_helper_pixman_format_get(src_info.format);
 639         TDM_GOTO_IF_FAIL(src_format > 0, cant_convert);
 640
 641         width = src_info.planes[0].stride / 4;
 642         stride = src_info.planes[0].stride;
 643         src_img = pixman_image_create_bits(src_format, width, src_info.height,
 644                                                                            (uint32_t*)src_info.planes[0].ptr, stride);
 645         TDM_GOTO_IF_FAIL(src_img != NULL, cant_convert);
 646
 647         /* dst */
 648         dst_format = _tdm_helper_pixman_format_get(dst_info.format);
 649         TDM_GOTO_IF_FAIL(dst_format > 0, cant_convert);
 650
 651         width = dst_info.planes[0].stride / 4;
 652         stride = dst_info.planes[0].stride;
 653         dst_img = pixman_image_create_bits(dst_format, width, dst_info.height,
 654                                                                            (uint32_t*)dst_info.planes[0].ptr, stride);
 655         TDM_GOTO_IF_FAIL(dst_img != NULL, cant_convert);
 656
 657         pixman_f_transform_init_identity(&ft);
 658
 659         scale_x = (double)src_info.width / dw;
 660         scale_y = (double)src_info.height / dh;
 661
 662         pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
 663         pixman_f_transform_translate(&ft, NULL, 0, 0);
 664         pixman_transform_from_pixman_f_transform(&t, &ft);
 665         pixman_image_set_transform(src_img, &t);
 666
 667         if (count == 0)
 668                 op = PIXMAN_OP_SRC;
 669         else
 670                 op = PIXMAN_OP_OVER;
 671
 672         pixman_image_composite(op, src_img, NULL, dst_img,
 673                                                    0, 0, 0, 0, dx, dy, dw, dh);
 674
 675         if (src_img)
 676                 pixman_image_unref(src_img);
 677         if (dst_img)
 678                 pixman_image_unref(dst_img);
 679
 680         tbm_surface_unmap(srcbuf);
 681         tbm_surface_unmap(dstbuf);
 682
 683         return TDM_ERROR_NONE;
 684
 685 cant_convert:
 686         if (src_img)
 687                 pixman_image_unref(src_img);
 688
 689         tbm_surface_unmap(srcbuf);
 690         tbm_surface_unmap(dstbuf);
 691
 692         return TDM_ERROR_OPERATION_FAILED;
 693 }
 694 /* LCOV_EXCL_STOP */
 695
 696
 697 EXTERN tdm_error
 698 tdm_helper_capture_output(tdm_output *output, tbm_surface_h dst_buffer,
 699                                                   int x, int y, int w, int h,
 700                                                   tdm_helper_capture_handler func, void *data)
 701 {
 702         tbm_surface_h surface;
 703         tdm_error err;
 704         int i, count, first = 0;
 705
 706         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 707         TDM_RETURN_VAL_IF_FAIL(dst_buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 708         TDM_RETURN_VAL_IF_FAIL(x >= 0, TDM_ERROR_INVALID_PARAMETER);
 709         TDM_RETURN_VAL_IF_FAIL(y >= 0, TDM_ERROR_INVALID_PARAMETER);
 710         TDM_RETURN_VAL_IF_FAIL(w >= 0, TDM_ERROR_INVALID_PARAMETER);
 711         TDM_RETURN_VAL_IF_FAIL(h >= 0, TDM_ERROR_INVALID_PARAMETER);
 712         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 713
 714         err = tdm_output_get_layer_count(output, &count);
 715         if (err != TDM_ERROR_NONE) {
 716                 TDM_ERR("tdm_output_get_layer_count fail(%d)\n", err);
 717                 return TDM_ERROR_OPERATION_FAILED;
 718         }
 719         if (count <= 0) {
 720                 TDM_ERR("tdm_output_get_layer_count err(%d, %d)\n", err, count);
 721                 return TDM_ERROR_BAD_MODULE;
 722         }
 723
 724         for (i = count - 1; i >= 0; i--) {
 725                 tdm_layer *layer = tdm_output_get_layer(output, i, NULL);
 726
 727                 surface = tdm_layer_get_displaying_buffer(layer, &err);
 728                 if (err != TDM_ERROR_NONE)
 729                         continue;
 730
 731                 err = _tdm_helper_buffer_convert(surface, dst_buffer, x, y, w, h, first++);
 732                 if (err != TDM_ERROR_NONE)
 733                         TDM_DBG("convert fail %d-layer buffer\n", i);
 734                 else
 735                         TDM_DBG("convert success %d-layer buffer\n", i);
 736         }
 737
 738         func(dst_buffer, data);
 739
 740         return TDM_ERROR_NONE;
 741 }
 742
 743 static char *
 744 _tdm_helper_get_backend_information(tdm_private_module *private_module, char *reply, int *len)
 745 {
 746         tdm_backend_module *module_data;
 747         tdm_func_output *func_output;
 748         tdm_func_layer *func_layer;
 749         tdm_private_output *private_output = NULL;
 750         tdm_private_layer *private_layer = NULL;
 751         tdm_private_pp *private_pp = NULL;
 752         tdm_private_capture *private_capture = NULL;
 753         tdm_error ret;
 754         int i;
 755
 756         func_output = &private_module->func_output;
 757         func_layer = &private_module->func_layer;
 758
 759         /* module information */
 760         module_data = private_module->module_data;
 761         TDM_SNPRINTF(reply, len, "['%s' backend information]\n", module_data->name);
 762         TDM_SNPRINTF(reply, len, "vendor: %s\n", module_data->vendor);
 763         TDM_SNPRINTF(reply, len, "version: %d.%d\n\n",
 764                                  (int)TDM_BACKEND_GET_ABI_MAJOR(module_data->abi_version),
 765                                  (int)TDM_BACKEND_GET_ABI_MINOR(module_data->abi_version));
 766
 767         /* output information */
 768         TDM_SNPRINTF(reply, len, "['%s' backend output information]\n", module_data->name);
 769         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 770         TDM_SNPRINTF(reply, len, "idx   maker   model   name   type   status   dpms   subpixel   align_w   min   max   phy(mm)\n");
 771         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 772         LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
 773                 TDM_SNPRINTF(reply, len, "%d   %s   %s   %s   %s   %s   %s   %u   %d   %dx%d   %dx%d   %ux%u\n",
 774                                          private_output->index, private_output->caps.maker,
 775                                          private_output->caps.model, private_output->caps.name,
 776                                          tdm_conn_str(private_output->caps.type),
 777                                          tdm_status_str(private_output->caps.status),
 778                                          tdm_dpms_str(private_output->current_dpms_value),
 779                                          private_output->caps.subpixel,
 780                                          TDM_FRONT_VALUE(private_output->caps.preferred_align),
 781                                          TDM_FRONT_VALUE(private_output->caps.min_w),
 782                                          TDM_FRONT_VALUE(private_output->caps.min_h),
 783                                          TDM_FRONT_VALUE(private_output->caps.max_w),
 784                                          TDM_FRONT_VALUE(private_output->caps.max_h),
 785                                          private_output->caps.mmWidth, private_output->caps.mmHeight);
 786
 787                 TDM_SNPRINTF(reply, len, "\t%u modes:\n", private_output->caps.mode_count);
 788
 789                 if (private_output->caps.mode_count > 0) {
 790                         TDM_SNPRINTF(reply, len, "\t\t name refresh (Hz) clk hdisp hss hse htot vdisp vss vse vtot vscan\n");
 791                         for (i = 0; i < private_output->caps.mode_count; i++) {
 792                                 char *current = (private_output->current_mode == private_output->caps.modes + i) ? "*" : " ";
 793                                 TDM_SNPRINTF(reply, len, "\t\t%s%s %u %u %u %u %u %u %u %u %u %u %u ",
 794                                                          current,
 795                                                          private_output->caps.modes[i].name,
 796                                                          private_output->caps.modes[i].vrefresh,
 797                                                          private_output->caps.modes[i].clock,
 798                                                          private_output->caps.modes[i].hdisplay,
 799                                                          private_output->caps.modes[i].hsync_start,
 800                                                          private_output->caps.modes[i].hsync_end,
 801                                                          private_output->caps.modes[i].htotal,
 802                                                          private_output->caps.modes[i].vdisplay,
 803                                                          private_output->caps.modes[i].vsync_start,
 804                                                          private_output->caps.modes[i].vsync_end,
 805                                                          private_output->caps.modes[i].vtotal,
 806                                                          private_output->caps.modes[i].vscan);
 807                                 tdm_mode_flag_str(private_output->caps.modes[i].flags, &reply, len);
 808                                 TDM_SNPRINTF(reply, len, " ");
 809                                 tdm_mode_type_str(private_output->caps.modes[i].type, &reply, len);
 810                                 TDM_SNPRINTF(reply, len, "\n");
 811                         }
 812                 }
 813
 814                 TDM_SNPRINTF(reply, len, "\t%d properties:\n", private_output->caps.prop_count);
 815                 if (private_output->caps.prop_count > 0) {
 816                         TDM_SNPRINTF(reply, len, "\t\tname\ttype\tidx\tvalue\n");
 817                         for (i = 0; i < private_output->caps.prop_count; i++) {
 818                                 tdm_value value;
 819                                 TDM_DBG_RETURN_VAL_IF_FAIL(func_output->output_get_property, reply);
 820                                 ret = func_output->output_get_property(private_output->output_backend,
 821                                                                                                            private_output->caps.props[i].id,
 822                                                                                                            &value);
 823                                 TDM_DBG_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, reply);
 824                                 TDM_SNPRINTF(reply, len, "\t\t%s\t%s\t%u\t",
 825                                                          private_output->caps.props[i].name,
 826                                                          tdm_value_type_str(private_output->caps.props[i].type),
 827                                                          private_output->caps.props[i].id);
 828                                 switch (private_output->caps.props[i].type) {
 829                                 case TDM_VALUE_TYPE_PTR:
 830                                         TDM_SNPRINTF(reply, len, "%p\n", value.ptr);
 831                                         break;
 832                                 case TDM_VALUE_TYPE_INT32:
 833                                         TDM_SNPRINTF(reply, len, "%d\n", value.s32);
 834                                         break;
 835                                 case TDM_VALUE_TYPE_INT64:
 836                                         TDM_SNPRINTF(reply, len, "%"PRId64"\n", value.s64);
 837                                         break;
 838                                 case TDM_VALUE_TYPE_UINT64:
 839                                         TDM_SNPRINTF(reply, len, "%"PRIu64"\n", value.u64);
 840                                         break;
 841                                 case TDM_VALUE_TYPE_UINT32:
 842                                 default:
 843                                         TDM_SNPRINTF(reply, len, "%u\n", value.u32);
 844                                         break;
 845                                 }
 846                         }
 847                 }
 848         }
 849         if (LIST_IS_EMPTY(&private_module->output_list))
 850                 TDM_SNPRINTF(reply, len, "(no output)\n");
 851         TDM_SNPRINTF(reply, len, "\n");
 852
 853         /* layer information */
 854         TDM_SNPRINTF(reply, len, "['%s' backend layer information]\n", module_data->name);
 855         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 856         TDM_SNPRINTF(reply, len, "idx   output   zpos   buf   format   size   crop   geometry   transform\n");
 857         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 858         LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
 859                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 860                         if (!private_layer->usable) {
 861                                 tdm_info_layer info;
 862                                 unsigned int format;
 863                                 tdm_size size;
 864                                 tbm_surface_info_s buf_info;
 865
 866                                 TDM_DBG_RETURN_VAL_IF_FAIL(func_layer->layer_get_info, reply);
 867                                 memset(&info, 0, sizeof info);
 868                                 ret = func_layer->layer_get_info(private_layer->layer_backend, &info);
 869                                 TDM_DBG_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, reply);
 870
 871                                 if (!private_layer->showing_buffer)
 872                                         continue;
 873
 874                                 format = tbm_surface_get_format(private_layer->showing_buffer->buffer);
 875                                 tbm_surface_get_info(private_layer->showing_buffer->buffer, &buf_info);
 876
 877                                 size.h = tbm_surface_get_width(private_layer->showing_buffer->buffer);
 878                                 size.v = tbm_surface_get_height(private_layer->showing_buffer->buffer);
 879
 880                                 if (info.src_config.format)
 881                                         format = (info.src_config.format) ? : format;
 882
 883                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   %p   %c%c%c%c   %ux%u   %ux%u+%u+%u   %ux%u+%u+%u   %s\n",
 884                                                          private_layer->index,
 885                                                          private_output->index,
 886                                                          private_layer->caps.zpos,
 887                                                          private_layer->showing_buffer->buffer, FOURCC_STR(format), size.h, size.v,
 888                                                          info.src_config.pos.w, info.src_config.pos.h, info.src_config.pos.x, info.src_config.pos.y,
 889                                                          info.dst_pos.w, info.dst_pos.h, info.dst_pos.x, info.dst_pos.y,
 890                                                          tdm_transform_str(info.transform));
 891                         } else {
 892                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   -\n",
 893                                                          private_layer->index,
 894                                                          private_output->index,
 895                                                          private_layer->caps.zpos);
 896                         }
 897
 898                         TDM_SNPRINTF(reply, len, "\tcaps\t: ");
 899                         tdm_layer_caps_str(private_layer->caps.capabilities, &reply, len);
 900                         TDM_SNPRINTF(reply, len, "\n");
 901
 902                         TDM_SNPRINTF(reply, len, "\tformats\t: ");
 903                         if (private_layer->caps.format_count > 0) {
 904                                 const char *sep = "";
 905                                 for (i = 0; i < private_layer->caps.format_count; i++) {
 906                                         if (private_layer->caps.formats[i] == 0)
 907                                                 continue;
 908                                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_layer->caps.formats[i]));
 909                                         sep = ",";
 910                                 }
 911                                 TDM_SNPRINTF(reply, len, "\n");
 912                         }
 913
 914                         TDM_SNPRINTF(reply, len, "\t%u properties:\n", private_layer->caps.prop_count);
 915                         if (private_layer->caps.prop_count > 0) {
 916                                 TDM_SNPRINTF(reply, len, "\t\tname\ttype\tidx\tvalue\n");
 917                                 for (i = 0; i < private_layer->caps.prop_count; i++) {
 918                                         tdm_value value;
 919                                         TDM_DBG_RETURN_VAL_IF_FAIL(func_layer->layer_get_property, reply);
 920                                         ret = func_layer->layer_get_property(private_layer->layer_backend,
 921                                                                                                                  private_layer->caps.props[i].id,
 922                                                                                                                  &value);
 923                                         TDM_DBG_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, reply);
 924                                         TDM_SNPRINTF(reply, len, "\t\t%s\t%s\t%u\t",
 925                                                                  private_layer->caps.props[i].name,
 926                                                                  tdm_value_type_str(private_output->caps.props[i].type),
 927                                                                  private_layer->caps.props[i].id);
 928                                 switch (private_layer->caps.props[i].type) {
 929                                 case TDM_VALUE_TYPE_PTR:
 930                                         TDM_SNPRINTF(reply, len, "%p\n", value.ptr);
 931                                         break;
 932                                 case TDM_VALUE_TYPE_INT32:
 933                                         TDM_SNPRINTF(reply, len, "%d\n", value.s32);
 934                                         break;
 935                                 case TDM_VALUE_TYPE_INT64:
 936                                         TDM_SNPRINTF(reply, len, "%"PRId64"\n", value.s64);
 937                                         break;
 938                                 case TDM_VALUE_TYPE_UINT64:
 939                                         TDM_SNPRINTF(reply, len, "%"PRIu64"\n", value.u64);
 940                                         break;
 941                                 case TDM_VALUE_TYPE_UINT32:
 942                                 default:
 943                                         TDM_SNPRINTF(reply, len, "%u\n", value.u32);
 944                                         break;
 945                                 }
 946                                 }
 947                         }
 948                 }
 949         }
 950         if (LIST_IS_EMPTY(&private_module->output_list))
 951                 TDM_SNPRINTF(reply, len, "(no layer)\n");
 952         TDM_SNPRINTF(reply, len, "\n");
 953
 954         if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 955                 const char *sep = "";
 956                 TDM_SNPRINTF(reply, len, "['%s' backend PP information]\n", module_data->name);
 957                 TDM_SNPRINTF(reply, len, "caps\t: ");
 958                 tdm_pp_caps_str(private_module->caps_pp.capabilities, &reply, len);
 959                 TDM_SNPRINTF(reply, len, "\n");
 960                 TDM_SNPRINTF(reply, len, "formats\t: ");
 961                 for (i = 0; i < private_module->caps_pp.format_count; i++) {
 962                         if (private_module->caps_pp.formats[i] == 0)
 963                                 continue;
 964                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_module->caps_pp.formats[i]));
 965                         sep = ",";
 966                 }
 967                 TDM_SNPRINTF(reply, len, "\n");
 968                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
 969                                          TDM_FRONT_VALUE(private_module->caps_pp.min_w),
 970                                          TDM_FRONT_VALUE(private_module->caps_pp.min_h),
 971                                          TDM_FRONT_VALUE(private_module->caps_pp.max_w),
 972                                          TDM_FRONT_VALUE(private_module->caps_pp.max_h),
 973                                          TDM_FRONT_VALUE(private_module->caps_pp.preferred_align));
 974                 if (!LIST_IS_EMPTY(&private_module->pp_list)) {
 975                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
 976                         TDM_SNPRINTF(reply, len, "src(format size crop)  |  dst(format size crop)  |  transform\n");
 977                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
 978                         LIST_FOR_EACH_ENTRY(private_pp, &private_module->pp_list, link) {
 979                                 TDM_SNPRINTF(reply, len, "%c%c%c%c %ux%u %ux%u+%u+%u | %c%c%c%c %ux%u %ux%u+%u+%u | %s\n",
 980                                                          FOURCC_STR(private_pp->info.src_config.format),
 981                                                          private_pp->info.src_config.size.h,
 982                                                          private_pp->info.src_config.size.v,
 983                                                          private_pp->info.src_config.pos.x, private_pp->info.src_config.pos.y,
 984                                                          private_pp->info.src_config.pos.w, private_pp->info.src_config.pos.h,
 985                                                          FOURCC_STR(private_pp->info.dst_config.format),
 986                                                          private_pp->info.dst_config.size.h,
 987                                                          private_pp->info.dst_config.size.v,
 988                                                          private_pp->info.dst_config.pos.x, private_pp->info.dst_config.pos.y,
 989                                                          private_pp->info.dst_config.pos.w, private_pp->info.dst_config.pos.h,
 990                                                          tdm_transform_str(private_pp->info.transform));
 991                         }
 992                 }
 993         } else {
 994                 TDM_SNPRINTF(reply, len, "['%s' backend No PP capability]\n", module_data->name);
 995         }
 996         TDM_SNPRINTF(reply, len, "\n");
 997
 998         if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
 999                 const char *sep = "";
1000                 TDM_SNPRINTF(reply, len, "['%s' backend capture information]\n", module_data->name);
1001                 TDM_SNPRINTF(reply, len, "caps\t: ");
1002                 tdm_capture_caps_str(private_module->caps_capture.capabilities, &reply, len);
1003                 TDM_SNPRINTF(reply, len, "\n");
1004                 TDM_SNPRINTF(reply, len, "formats\t: ");
1005                 for (i = 0; i < private_module->caps_capture.format_count; i++) {
1006                         if (private_module->caps_capture.formats[i] == 0)
1007                                 continue;
1008                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_module->caps_capture.formats[i]));
1009                         sep = ",";
1010                 }
1011                 TDM_SNPRINTF(reply, len, "\n");
1012                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
1013                                          TDM_FRONT_VALUE(private_module->caps_capture.min_w),
1014                                          TDM_FRONT_VALUE(private_module->caps_capture.min_h),
1015                                          TDM_FRONT_VALUE(private_module->caps_capture.max_w),
1016                                          TDM_FRONT_VALUE(private_module->caps_capture.max_h),
1017                                          TDM_FRONT_VALUE(private_module->caps_capture.preferred_align));
1018                 if (!LIST_IS_EMPTY(&private_module->capture_list)) {
1019                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
1020                         TDM_SNPRINTF(reply, len, "dst(format size crop)  |  transform\n");
1021                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
1022                         LIST_FOR_EACH_ENTRY(private_capture, &private_module->capture_list, link) {
1023                                 TDM_SNPRINTF(reply, len, "%c%c%c%c %ux%u %ux%u+%u+%u | %s\n",
1024                                                          FOURCC_STR(private_capture->info.dst_config.format),
1025                                                          private_capture->info.dst_config.size.h,
1026                                                          private_capture->info.dst_config.size.v,
1027                                                          private_capture->info.dst_config.pos.x, private_capture->info.dst_config.pos.y,
1028                                                          private_capture->info.dst_config.pos.w, private_capture->info.dst_config.pos.h,
1029                                                          tdm_transform_str(private_capture->info.transform));
1030                         }
1031                 }
1032         } else {
1033                 TDM_SNPRINTF(reply, len, "['%s' backend No Capture capability]\n", module_data->name);
1034         }
1035         TDM_SNPRINTF(reply, len, "\n");
1036         return reply;
1037 }
1038
1039 EXTERN void
1040 tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len)
1041 {
1042         tdm_private_display *private_display;
1043         tdm_private_module *private_module = NULL;
1044
1045         TDM_DBG_RETURN_IF_FAIL(dpy != NULL);
1046
1047         private_display = dpy;
1048
1049         _pthread_mutex_lock(&private_display->lock);
1050
1051         LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
1052                 reply = _tdm_helper_get_backend_information(private_module, reply, len);
1053         }
1054
1055         _pthread_mutex_unlock(&private_display->lock);
1056 }
1057
1058 /* LCOV_EXCL_START */
1059 EXTERN int
1060 tdm_helper_commit_per_vblank_enabled(tdm_display *dpy)
1061 {
1062         TDM_DEPRECATED("Use tdm_helper_output_commit_per_vblank_enabled");
1063
1064         return 0;
1065 }
1066 /* LCOV_EXCL_STOP */
1067
1068 EXTERN int
1069 tdm_helper_output_commit_per_vblank_enabled(tdm_output *output)
1070 {
1071         tdm_private_output *private_output = output;
1072
1073         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, -1);
1074
1075         return !!private_output->commit_per_vblank;
1076 }
1077
1078 EXTERN unsigned int
1079 tdm_helper_output_vblank_timer_expired(tdm_output *output)
1080 {
1081         tdm_private_output *private_output = output;
1082
1083         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, -1);
1084
1085         return private_output->vblank_timeout_timer_expired;
1086 }