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         if (setjmp(png_jmpbuf(pPngStruct))) {
 140                 /* if png has problem of writing the file, we get here */
 141                 png_destroy_write_struct(&pPngStruct, &pPngInfo);
 142                 fclose(fp);
 143                 return;
 144         }
 145
 146         png_init_io(pPngStruct, fp);
 147         png_set_IHDR(pPngStruct,
 148                                  pPngInfo,
 149                                  width,
 150                                  height,
 151                                  PNG_DEPTH,
 152                                  PNG_COLOR_TYPE_RGBA,
 153                                  PNG_INTERLACE_NONE,
 154                                  PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
 155
 156         png_set_bgr(pPngStruct);
 157         png_write_info(pPngStruct, pPngInfo);
 158
 159         const int pixel_size = 4;       // RGBA
 160         png_bytep *row_pointers =
 161                 png_malloc(pPngStruct, height * sizeof(png_byte *));
 162         if (!row_pointers) {
 163                 png_destroy_write_struct(&pPngStruct, &pPngInfo);
 164                 fclose(fp);
 165                 return;
 166         }
 167
 168         unsigned int *blocks = (unsigned int *)data;
 169         int y = 0;
 170         int x = 0;
 171
 172         for (; y < height; ++y) {
 173                 png_bytep row =
 174                         png_malloc(pPngStruct, sizeof(png_byte) * width * pixel_size);
 175                 if (!row) {
 176                         for (x = 0; x < y; x++)
 177                                 png_free(pPngStruct, row_pointers[x]);
 178                         png_free(pPngStruct, row_pointers);
 179                         png_destroy_write_struct(&pPngStruct, &pPngInfo);
 180                         fclose(fp);
 181                         return;
 182                 }
 183
 184                 row_pointers[y] = (png_bytep)row;
 185                 for (x = 0; x < width; ++x) {
 186                         unsigned int curBlock = blocks[y * width + x];
 187                         row[x * pixel_size] = (curBlock & 0xFF);
 188                         row[1 + x * pixel_size] = (curBlock >> 8) & 0xFF;
 189                         row[2 + x * pixel_size] = (curBlock >> 16) & 0xFF;
 190                         row[3 + x * pixel_size] = (curBlock >> 24) & 0xFF;
 191                 }
 192         }
 193
 194         png_write_image(pPngStruct, row_pointers);
 195         png_write_end(pPngStruct, pPngInfo);
 196
 197         for (y = 0; y < height; y++)
 198                 png_free(pPngStruct, row_pointers[y]);
 199         png_free(pPngStruct, row_pointers);
 200
 201         png_destroy_write_struct(&pPngStruct, &pPngInfo);
 202
 203         fclose(fp);
 204 }
 205
 206 /* LCOV_EXCL_START */
 207 INTERN char *
 208 tdm_helper_dump_make_directory(const char *path, char *reply, int *len)
 209 {
 210         char *fullpath = NULL;
 211         time_t timer;
 212         struct tm *t, *buf = NULL;
 213
 214         timer = time(NULL);
 215
 216         buf = calloc(1, sizeof(struct tm));
 217         TDM_GOTO_IF_FAIL(buf != NULL, failed_make);
 218
 219         fullpath = calloc(1, TDM_PATH_LEN * sizeof(char));
 220         TDM_GOTO_IF_FAIL(fullpath != NULL, failed_make);
 221
 222         t = localtime_r(&timer, buf);
 223         TDM_GOTO_IF_FAIL(t != NULL, failed_make);
 224
 225         snprintf(fullpath, TDM_PATH_LEN, "%s/dump_%04d%02d%02d.%02d%02d%02d", path,
 226                          t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
 227
 228         if ((mkdir(fullpath, 0755)) < 0) {
 229                 TDM_ERR("mkdir '%s' fail\n", fullpath);
 230                 TDM_SNPRINTF(reply, len, "mkdir '%s' fail\n", fullpath);
 231                 goto failed_make;
 232         }
 233
 234         free(buf);
 235
 236         return fullpath;
 237 failed_make:
 238         if (fullpath)
 239                 free(fullpath);
 240         if (buf)
 241                 free(buf);
 242         return NULL;
 243 }
 244
 245 EXTERN void
 246 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str)
 247 {
 248         tbm_surface_info_s info;
 249         char file[TDM_PATH_LEN];
 250         int ret, bw, bh;
 251
 252         TDM_RETURN_IF_FAIL(buffer != NULL);
 253         TDM_RETURN_IF_FAIL(str != NULL);
 254
 255         if (!dir)
 256                 dir = ".";
 257
 258         ret = tbm_surface_get_info(buffer, &info);
 259         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 260
 261         tdm_helper_get_buffer_full_size(buffer, &bw, &bh);
 262
 263         snprintf(file, TDM_PATH_LEN, "%s/%c%c%c%c_%dx%d_%dx%d_%s",
 264                          dir, FOURCC_STR(info.format), bw, bh, info.width, info.height, str);
 265
 266         tdm_helper_dump_buffer(buffer, file);
 267 }
 268 /* LCOV_EXCL_STOP */
 269
 270 EXTERN void
 271 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file)
 272 {
 273         char temp[TDM_PATH_LEN] = {0,};
 274         tbm_surface_info_s info;
 275         int len, ret;
 276         const char *ext;
 277         int bo_cnt;
 278         int bw, bh;
 279         char *dot, *p = temp;
 280
 281         TDM_RETURN_IF_FAIL(buffer != NULL);
 282         TDM_RETURN_IF_FAIL(file != NULL);
 283
 284         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 285         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 286
 287         if (IS_RGB(info.format))
 288                 ext = file_exts[0];
 289         else
 290                 ext = file_exts[1];
 291
 292         dot = strrchr(file, '.');
 293         if (!dot || strlen(dot + 1) != 3 || strncmp(dot + 1, ext, 3)) {
 294                 len = strnlen(file, TDM_PATH_LEN - 5);
 295                 strncat(p, file, len);
 296                 p += len;
 297                 *(p++) = '.';
 298                 strncat(p, ext, 4);
 299                 p += 3;
 300                 *p = '\0';
 301         } else {
 302                 len = strnlen(file, TDM_PATH_LEN - 1);
 303                 strncat(p, file, len);
 304                 p += len;
 305                 *p = '\0';
 306         }
 307
 308         tdm_helper_get_buffer_full_size(buffer, &bw, &bh);
 309
 310         bo_cnt = tbm_surface_internal_get_num_bos(buffer);
 311         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)",
 312                         bo_cnt, bw, bh, info.width, info.height, FOURCC_STR(info.format),
 313                         info.planes[0].ptr, info.planes[0].offset, info.planes[0].stride, info.planes[0].size,
 314                         info.planes[1].ptr, info.planes[1].offset, info.planes[1].stride, info.planes[1].size,
 315                         info.planes[2].ptr, info.planes[2].offset, info.planes[2].stride, info.planes[2].size);
 316
 317         switch (info.format) {
 318         case TBM_FORMAT_ARGB8888:
 319         case TBM_FORMAT_XRGB8888:
 320                 _tdm_helper_dump_png(temp, info.planes[0].ptr, bw, bh);
 321                 break;
 322         case TBM_FORMAT_YVU420:
 323         case TBM_FORMAT_YUV420:
 324                 _tdm_helper_dump_raw((const char*)temp,
 325                                                          info.planes[0].ptr,
 326                                                          info.planes[0].size,
 327                                                          info.planes[1].ptr,
 328                                                          info.planes[1].size,
 329                                                          info.planes[2].ptr,
 330                                                          info.planes[2].size);
 331                 break;
 332         case TBM_FORMAT_NV12:
 333         case TBM_FORMAT_NV21:
 334                 _tdm_helper_dump_raw((const char*)temp,
 335                                                          info.planes[0].ptr,
 336                                                          info.planes[0].size,
 337                                                          info.planes[1].ptr,
 338                                                          info.planes[1].size, NULL,
 339                                                          0);
 340                 break;
 341         default:
 342                 _tdm_helper_dump_raw((const char*)temp,
 343                                                          info.planes[0].ptr,
 344                                                          info.planes[0].size,
 345                                                          info.planes[1].ptr,
 346                                                          info.planes[1].size,
 347                                                          info.planes[2].ptr,
 348                                                          info.planes[2].size);
 349                 break;
 350         }
 351
 352         tbm_surface_unmap(buffer);
 353
 354         TDM_INFO("dump %s", temp);
 355 }
 356
 357 EXTERN void
 358 tdm_helper_clear_buffer_color(tbm_surface_h buffer, tdm_pos *pos, unsigned int color)
 359 {
 360         tbm_surface_info_s info;
 361         int ret;
 362
 363         TDM_RETURN_IF_FAIL(buffer != NULL);
 364
 365         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 366         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 367
 368         switch (info.format) {
 369         case TBM_FORMAT_ARGB8888:
 370         case TBM_FORMAT_XRGB8888:
 371                 if (!pos) {
 372                         memset(info.planes[0].ptr, 0, info.planes[0].stride * info.height);
 373                 } else {
 374                         unsigned char *p;
 375                         int x, y;
 376                         for (y = pos->y; y <= (pos->y + pos->h); y++) {
 377                                 p = info.planes[0].ptr + info.planes[0].stride * y;
 378                                 for (x = pos->x; x <= (pos->x + pos->w); x++) {
 379                                         unsigned int *ibuf = (unsigned int*)p;
 380                                         ibuf[x] = color;
 381                                 }
 382                         }
 383                 }
 384                 break;
 385         case TBM_FORMAT_YVU420:
 386         case TBM_FORMAT_YUV420:
 387                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 388                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 389                 memset((char*)info.planes[2].ptr, 0x80, info.planes[2].stride * (info.height >> 1));
 390                 break;
 391         case TBM_FORMAT_NV12:
 392         case TBM_FORMAT_NV21:
 393                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 394                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 395                 break;
 396         default:
 397                 TDM_ERR("can't clear %c%c%c%c buffer", FOURCC_STR(info.format));
 398                 break;
 399         }
 400
 401         tbm_surface_unmap(buffer);
 402 }
 403
 404 EXTERN void
 405 tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos)
 406 {
 407         TDM_RETURN_IF_FAIL(buffer != NULL);
 408
 409         tdm_helper_clear_buffer_color(buffer, pos, 0);
 410 }
 411
 412 EXTERN void
 413 tdm_helper_clear_buffer(tbm_surface_h buffer)
 414 {
 415         TDM_RETURN_IF_FAIL(buffer != NULL);
 416
 417         tdm_helper_clear_buffer_pos(buffer, NULL);
 418 }
 419
 420 EXTERN void
 421 tdm_helper_get_buffer_full_size(tbm_surface_h buffer, int *buffer_w, int *buffer_h)
 422 {
 423         tbm_surface_info_s info;
 424         int ret;
 425
 426         TDM_RETURN_IF_FAIL(buffer != NULL);
 427
 428         ret = tbm_surface_get_info(buffer, &info);
 429         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 430
 431         if (buffer_w) {
 432                 if (IS_RGB(info.format))
 433                         *buffer_w = info.planes[0].stride >> 2;
 434                 else
 435                         *buffer_w = info.planes[0].stride;
 436         }
 437
 438         if (buffer_h)
 439                 *buffer_h = info.planes[0].size / info.planes[0].stride;
 440 }
 441
 442 static pixman_format_code_t
 443 _tdm_helper_pixman_format_get(tbm_format format)
 444 {
 445         switch (format) {
 446         case TBM_FORMAT_ARGB8888:
 447                 return PIXMAN_a8r8g8b8;
 448         case TBM_FORMAT_XRGB8888:
 449                 return PIXMAN_x8r8g8b8;
 450         default:
 451                 return 0;
 452         }
 453
 454         return 0;
 455 }
 456
 457 EXTERN tdm_error
 458 tdm_helper_convert_buffer(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
 459                                                   tdm_pos *srcpos, tdm_pos *dstpos,
 460                                                   tdm_transform transform, int over)
 461 {
 462         tbm_surface_info_s src_info, dst_info;
 463         pixman_image_t *src_img = NULL, *dst_img = NULL;
 464         pixman_format_code_t src_format, dst_format;
 465         double scale_x, scale_y;
 466         int rotate_step, bos;
 467         pixman_transform_t t;
 468         struct pixman_f_transform ft;
 469         pixman_op_t op;
 470         int src_stride, dst_stride;
 471         int buf_width, err;
 472         tdm_error ret = TDM_ERROR_OPERATION_FAILED;
 473
 474         TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 475         TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 476
 477         bos = tbm_surface_internal_get_num_bos(srcbuf);
 478         TDM_RETURN_VAL_IF_FAIL(bos == 1, TDM_ERROR_OPERATION_FAILED);
 479
 480         bos = tbm_surface_internal_get_num_bos(dstbuf);
 481         TDM_RETURN_VAL_IF_FAIL(bos == 1, TDM_ERROR_OPERATION_FAILED);
 482
 483         err = tbm_surface_map(srcbuf, TBM_OPTION_READ, &src_info);
 484         TDM_RETURN_VAL_IF_FAIL(err == TBM_SURFACE_ERROR_NONE, TDM_ERROR_OPERATION_FAILED);
 485
 486         err = tbm_surface_map(dstbuf, TBM_OPTION_WRITE, &dst_info);
 487         TDM_GOTO_IF_FAIL(err == TBM_SURFACE_ERROR_NONE, unmap_srcbuf);
 488
 489         /* not handle buffers which have 2 more gem handles */
 490         TDM_GOTO_IF_FAIL(src_info.planes[0].ptr != NULL, unmap_dstbuf);
 491         TDM_GOTO_IF_FAIL(dst_info.planes[0].ptr != NULL, unmap_dstbuf);
 492
 493         src_format = _tdm_helper_pixman_format_get(src_info.format);
 494         TDM_GOTO_IF_FAIL(src_format > 0, unmap_dstbuf);
 495         dst_format = _tdm_helper_pixman_format_get(dst_info.format);
 496         TDM_GOTO_IF_FAIL(dst_format > 0, unmap_dstbuf);
 497
 498         buf_width = src_info.planes[0].stride >> 2;
 499         src_stride = src_info.planes[0].stride;
 500         src_img = pixman_image_create_bits(src_format, buf_width, src_info.height,
 501                                                                            (uint32_t*)src_info.planes[0].ptr, src_stride);
 502         TDM_GOTO_IF_FAIL(src_img, unref_img);
 503
 504         buf_width = dst_info.planes[0].stride >> 2;
 505         dst_stride = dst_info.planes[0].stride;
 506         dst_img = pixman_image_create_bits(dst_format, buf_width, dst_info.height,
 507                                                                            (uint32_t*)dst_info.planes[0].ptr, dst_stride);
 508         TDM_GOTO_IF_FAIL(dst_img, unref_img);
 509
 510         pixman_f_transform_init_identity(&ft);
 511
 512         if (transform & TDM_TRANSFORM_FLIPPED) {
 513                 pixman_f_transform_scale(&ft, NULL, -1, 1);
 514                 pixman_f_transform_translate(&ft, NULL, dstpos->w, 0);
 515         }
 516
 517         rotate_step = transform & 0x3;
 518         if (rotate_step > 0) {
 519                 int c, s, tx = 0, ty = 0;
 520                 switch (rotate_step) {
 521                 case 1:
 522                         c = 0, s = -1, tx = -dstpos->w;
 523                         break;
 524                 case 2:
 525                         c = -1, s = 0, tx = -dstpos->w, ty = -dstpos->h;
 526                         break;
 527                 case 3:
 528                         c = 0, s = 1, ty = -dstpos->h;
 529                         break;
 530                 }
 531                 pixman_f_transform_translate(&ft, NULL, tx, ty);
 532                 pixman_f_transform_rotate(&ft, NULL, c, s);
 533         }
 534
 535         if (rotate_step % 2 == 0) {
 536                 scale_x = (double)srcpos->w / dstpos->w;
 537                 scale_y = (double)srcpos->h / dstpos->h;
 538         } else {
 539                 scale_x = (double)srcpos->w / dstpos->h;
 540                 scale_y = (double)srcpos->h / dstpos->w;
 541         }
 542
 543         pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
 544         pixman_f_transform_translate(&ft, NULL, srcpos->x, srcpos->y);
 545         pixman_transform_from_pixman_f_transform(&t, &ft);
 546         pixman_image_set_transform(src_img, &t);
 547
 548         op = (!over) ? PIXMAN_OP_SRC : PIXMAN_OP_OVER;
 549
 550         pixman_image_composite(op, src_img, NULL, dst_img, 0, 0, 0, 0,
 551                                                    dstpos->x, dstpos->y, dstpos->w, dstpos->h);
 552
 553         ret = TDM_ERROR_NONE;
 554
 555 unref_img:
 556         if (src_img)
 557                 pixman_image_unref(src_img);
 558         if (dst_img)
 559                 pixman_image_unref(dst_img);
 560 unmap_dstbuf:
 561         tbm_surface_unmap(dstbuf);
 562 unmap_srcbuf:
 563         tbm_surface_unmap(srcbuf);
 564
 565         return ret;
 566 }
 567
 568 /* LCOV_EXCL_START */
 569 EXTERN int
 570 tdm_helper_get_fd(const char *env)
 571 {
 572         if (strncmp(env, "TBM_DRM_MASTER_FD", 17) && strncmp(env, "TDM_DRM_MASTER_FD", 17)) {
 573                 TDM_INFO("DEPRECATED! '%s'", env);
 574                 return -1;
 575         }
 576
 577         return tbm_drm_helper_get_master_fd();
 578 }
 579
 580 EXTERN void
 581 tdm_helper_set_fd(const char *env, int fd)
 582 {
 583         if (strncmp(env, "TBM_DRM_MASTER_FD", 17) && strncmp(env, "TDM_DRM_MASTER_FD", 17)) {
 584                 TDM_INFO("DEPRECATED! '%s'", env);
 585                 return;
 586         }
 587
 588         tbm_drm_helper_set_tbm_master_fd(fd);
 589 }
 590 /* LCOV_EXCL_STOP */
 591
 592 EXTERN void
 593 tdm_helper_dump_start(char *dumppath, int *count)
 594 {
 595         if (dumppath == NULL || count == NULL) {
 596                 TDM_DBG("tdm_helper_dump dumppath or count is null.");
 597                 return;
 598         }
 599
 600         tdm_dump_enable = 1;
 601
 602         TDM_DBG("tdm_helper_dump start.(path : %s)", dumppath);
 603 }
 604
 605 EXTERN void
 606 tdm_helper_dump_stop(void)
 607 {
 608         tdm_dump_enable = 0;
 609
 610         TDM_DBG("tdm_helper_dump stop.");
 611 }
 612
 613 /* LCOV_EXCL_START */
 614 static tdm_error
 615 _tdm_helper_buffer_convert(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
 616                                                    int dx, int dy, int dw, int dh, int count)
 617 {
 618         pixman_image_t *src_img = NULL, *dst_img = NULL;
 619         pixman_format_code_t src_format, dst_format;
 620         pixman_transform_t t;
 621         struct pixman_f_transform ft;
 622         pixman_op_t op;
 623         tbm_surface_info_s src_info = {0, };
 624         tbm_surface_info_s dst_info = {0, };
 625         int stride, width;
 626         double scale_x, scale_y;
 627
 628         TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 629         TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 630
 631         if (tbm_surface_map(srcbuf, TBM_SURF_OPTION_READ, &src_info) != TBM_SURFACE_ERROR_NONE) {
 632                 TDM_ERR("cannot mmap srcbuf\n");
 633                 return TDM_ERROR_OPERATION_FAILED;
 634         }
 635
 636         if (tbm_surface_map(dstbuf, TBM_SURF_OPTION_WRITE, &dst_info) != TBM_SURFACE_ERROR_NONE) {
 637                 TDM_ERR("cannot mmap dstbuf\n");
 638                 tbm_surface_unmap(srcbuf);
 639                 return TDM_ERROR_OPERATION_FAILED;
 640         }
 641         TDM_GOTO_IF_FAIL(src_info.num_planes == 1, cant_convert);
 642         TDM_GOTO_IF_FAIL(dst_info.num_planes == 1, cant_convert);
 643
 644         /* src */
 645         src_format = _tdm_helper_pixman_format_get(src_info.format);
 646         TDM_GOTO_IF_FAIL(src_format > 0, cant_convert);
 647
 648         width = src_info.planes[0].stride / 4;
 649         stride = src_info.planes[0].stride;
 650         src_img = pixman_image_create_bits(src_format, width, src_info.height,
 651                                                                            (uint32_t*)src_info.planes[0].ptr, stride);
 652         TDM_GOTO_IF_FAIL(src_img != NULL, cant_convert);
 653
 654         /* dst */
 655         dst_format = _tdm_helper_pixman_format_get(dst_info.format);
 656         TDM_GOTO_IF_FAIL(dst_format > 0, cant_convert);
 657
 658         width = dst_info.planes[0].stride / 4;
 659         stride = dst_info.planes[0].stride;
 660         dst_img = pixman_image_create_bits(dst_format, width, dst_info.height,
 661                                                                            (uint32_t*)dst_info.planes[0].ptr, stride);
 662         TDM_GOTO_IF_FAIL(dst_img != NULL, cant_convert);
 663
 664         pixman_f_transform_init_identity(&ft);
 665
 666         scale_x = (double)src_info.width / dw;
 667         scale_y = (double)src_info.height / dh;
 668
 669         pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
 670         pixman_f_transform_translate(&ft, NULL, 0, 0);
 671         pixman_transform_from_pixman_f_transform(&t, &ft);
 672         pixman_image_set_transform(src_img, &t);
 673
 674         if (count == 0)
 675                 op = PIXMAN_OP_SRC;
 676         else
 677                 op = PIXMAN_OP_OVER;
 678
 679         pixman_image_composite(op, src_img, NULL, dst_img,
 680                                                    0, 0, 0, 0, dx, dy, dw, dh);
 681
 682         if (src_img)
 683                 pixman_image_unref(src_img);
 684         if (dst_img)
 685                 pixman_image_unref(dst_img);
 686
 687         tbm_surface_unmap(srcbuf);
 688         tbm_surface_unmap(dstbuf);
 689
 690         return TDM_ERROR_NONE;
 691
 692 cant_convert:
 693         if (src_img)
 694                 pixman_image_unref(src_img);
 695
 696         tbm_surface_unmap(srcbuf);
 697         tbm_surface_unmap(dstbuf);
 698
 699         return TDM_ERROR_OPERATION_FAILED;
 700 }
 701 /* LCOV_EXCL_STOP */
 702
 703
 704 EXTERN tdm_error
 705 tdm_helper_capture_output(tdm_output *output, tbm_surface_h dst_buffer,
 706                                                   int x, int y, int w, int h,
 707                                                   tdm_helper_capture_handler func, void *data)
 708 {
 709         tbm_surface_h surface;
 710         tdm_error err;
 711         int i, count, first = 0;
 712
 713         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 714         TDM_RETURN_VAL_IF_FAIL(dst_buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 715         TDM_RETURN_VAL_IF_FAIL(x >= 0, TDM_ERROR_INVALID_PARAMETER);
 716         TDM_RETURN_VAL_IF_FAIL(y >= 0, TDM_ERROR_INVALID_PARAMETER);
 717         TDM_RETURN_VAL_IF_FAIL(w >= 0, TDM_ERROR_INVALID_PARAMETER);
 718         TDM_RETURN_VAL_IF_FAIL(h >= 0, TDM_ERROR_INVALID_PARAMETER);
 719         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 720
 721         err = tdm_output_get_layer_count(output, &count);
 722         if (err != TDM_ERROR_NONE) {
 723                 TDM_ERR("tdm_output_get_layer_count fail(%d)\n", err);
 724                 return TDM_ERROR_OPERATION_FAILED;
 725         }
 726         if (count <= 0) {
 727                 TDM_ERR("tdm_output_get_layer_count err(%d, %d)\n", err, count);
 728                 return TDM_ERROR_BAD_MODULE;
 729         }
 730
 731         for (i = count - 1; i >= 0; i--) {
 732                 tdm_layer *layer = tdm_output_get_layer(output, i, NULL);
 733
 734                 surface = tdm_layer_get_displaying_buffer(layer, &err);
 735                 if (err != TDM_ERROR_NONE)
 736                         continue;
 737
 738                 err = _tdm_helper_buffer_convert(surface, dst_buffer, x, y, w, h, first++);
 739                 if (err != TDM_ERROR_NONE)
 740                         TDM_DBG("convert fail %d-layer buffer\n", i);
 741                 else
 742                         TDM_DBG("convert success %d-layer buffer\n", i);
 743         }
 744
 745         func(dst_buffer, data);
 746
 747         return TDM_ERROR_NONE;
 748 }
 749
 750 static char *
 751 _tdm_helper_get_backend_information(tdm_private_module *private_module, char *reply, int *len)
 752 {
 753         tdm_backend_module *module_data;
 754         tdm_func_output *func_output;
 755         tdm_func_layer *func_layer;
 756         tdm_private_output *private_output = NULL;
 757         tdm_private_layer *private_layer = NULL;
 758         tdm_private_pp *private_pp = NULL;
 759         tdm_private_capture *private_capture = NULL;
 760         tdm_error ret;
 761         int i;
 762
 763         func_output = &private_module->func_output;
 764         func_layer = &private_module->func_layer;
 765
 766         /* module information */
 767         module_data = private_module->module_data;
 768         TDM_SNPRINTF(reply, len, "['%s' backend information]\n", module_data->name);
 769         TDM_SNPRINTF(reply, len, "vendor: %s\n", module_data->vendor);
 770         TDM_SNPRINTF(reply, len, "version: %d.%d\n\n",
 771                                  (int)TDM_BACKEND_GET_ABI_MAJOR(module_data->abi_version),
 772                                  (int)TDM_BACKEND_GET_ABI_MINOR(module_data->abi_version));
 773
 774         /* output information */
 775         TDM_SNPRINTF(reply, len, "['%s' backend output information]\n", module_data->name);
 776         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 777         TDM_SNPRINTF(reply, len, "idx   maker   model   name   type   status   dpms   subpixel   align_w   min   max   phy(mm)\n");
 778         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 779         LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
 780                 TDM_SNPRINTF(reply, len, "%d   %s   %s   %s   %s   %s   %s   %u   %d   %dx%d   %dx%d   %ux%u\n",
 781                                          private_output->index, private_output->caps.maker,
 782                                          private_output->caps.model, private_output->caps.name,
 783                                          tdm_conn_str(private_output->caps.type),
 784                                          tdm_status_str(private_output->caps.status),
 785                                          tdm_dpms_str(private_output->current_dpms_value),
 786                                          private_output->caps.subpixel,
 787                                          TDM_FRONT_VALUE(private_output->caps.preferred_align),
 788                                          TDM_FRONT_VALUE(private_output->caps.min_w),
 789                                          TDM_FRONT_VALUE(private_output->caps.min_h),
 790                                          TDM_FRONT_VALUE(private_output->caps.max_w),
 791                                          TDM_FRONT_VALUE(private_output->caps.max_h),
 792                                          private_output->caps.mmWidth, private_output->caps.mmHeight);
 793
 794                 TDM_SNPRINTF(reply, len, "\t%u modes:\n", private_output->caps.mode_count);
 795
 796                 if (private_output->caps.mode_count > 0) {
 797                         TDM_SNPRINTF(reply, len, "\t\t name refresh (Hz) clk hdisp hss hse htot vdisp vss vse vtot vscan\n");
 798                         for (i = 0; i < private_output->caps.mode_count; i++) {
 799                                 char *current = (private_output->current_mode == private_output->caps.modes + i) ? "*" : " ";
 800                                 TDM_SNPRINTF(reply, len, "\t\t%s%s %u %u %u %u %u %u %u %u %u %u %u ",
 801                                                          current,
 802                                                          private_output->caps.modes[i].name,
 803                                                          private_output->caps.modes[i].vrefresh,
 804                                                          private_output->caps.modes[i].clock,
 805                                                          private_output->caps.modes[i].hdisplay,
 806                                                          private_output->caps.modes[i].hsync_start,
 807                                                          private_output->caps.modes[i].hsync_end,
 808                                                          private_output->caps.modes[i].htotal,
 809                                                          private_output->caps.modes[i].vdisplay,
 810                                                          private_output->caps.modes[i].vsync_start,
 811                                                          private_output->caps.modes[i].vsync_end,
 812                                                          private_output->caps.modes[i].vtotal,
 813                                                          private_output->caps.modes[i].vscan);
 814                                 tdm_mode_flag_str(private_output->caps.modes[i].flags, &reply, len);
 815                                 TDM_SNPRINTF(reply, len, " ");
 816                                 tdm_mode_type_str(private_output->caps.modes[i].type, &reply, len);
 817                                 TDM_SNPRINTF(reply, len, "\n");
 818                         }
 819                 }
 820
 821                 TDM_SNPRINTF(reply, len, "\t%d properties:\n", private_output->caps.prop_count);
 822                 if (private_output->caps.prop_count > 0) {
 823                         TDM_SNPRINTF(reply, len, "\t\tname\ttype\tidx\tvalue\n");
 824                         for (i = 0; i < private_output->caps.prop_count; i++) {
 825                                 tdm_value value;
 826                                 TDM_DBG_RETURN_VAL_IF_FAIL(func_output->output_get_property, reply);
 827                                 ret = func_output->output_get_property(private_output->output_backend,
 828                                                                                                            private_output->caps.props[i].id,
 829                                                                                                            &value);
 830                                 TDM_DBG_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, reply);
 831                                 TDM_SNPRINTF(reply, len, "\t\t%s\t%s\t%u\t",
 832                                                          private_output->caps.props[i].name,
 833                                                          tdm_value_type_str(private_output->caps.props[i].type),
 834                                                          private_output->caps.props[i].id);
 835                                 switch (private_output->caps.props[i].type) {
 836                                 case TDM_VALUE_TYPE_PTR:
 837                                         TDM_SNPRINTF(reply, len, "%p\n", value.ptr);
 838                                         break;
 839                                 case TDM_VALUE_TYPE_INT32:
 840                                         TDM_SNPRINTF(reply, len, "%d\n", value.s32);
 841                                         break;
 842                                 case TDM_VALUE_TYPE_INT64:
 843                                         TDM_SNPRINTF(reply, len, "%"PRId64"\n", value.s64);
 844                                         break;
 845                                 case TDM_VALUE_TYPE_UINT64:
 846                                         TDM_SNPRINTF(reply, len, "%"PRIu64"\n", value.u64);
 847                                         break;
 848                                 case TDM_VALUE_TYPE_UINT32:
 849                                 default:
 850                                         TDM_SNPRINTF(reply, len, "%u\n", value.u32);
 851                                         break;
 852                                 }
 853                         }
 854                 }
 855         }
 856         if (LIST_IS_EMPTY(&private_module->output_list))
 857                 TDM_SNPRINTF(reply, len, "(no output)\n");
 858         TDM_SNPRINTF(reply, len, "\n");
 859
 860         /* layer information */
 861         TDM_SNPRINTF(reply, len, "['%s' backend layer information]\n", module_data->name);
 862         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 863         TDM_SNPRINTF(reply, len, "idx   output   zpos   buf   format   size   crop   geometry   transform\n");
 864         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 865         LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
 866                 if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 867                         TDM_SNPRINTF(reply, len, "(no layer), hwc mode on\n");
 868                         continue;
 869                 }
 870
 871                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 872                         if (!private_layer->usable) {
 873                                 tdm_info_layer info;
 874                                 unsigned int format;
 875                                 tdm_size size;
 876                                 tbm_surface_info_s buf_info;
 877
 878                                 TDM_DBG_RETURN_VAL_IF_FAIL(func_layer->layer_get_info, reply);
 879                                 memset(&info, 0, sizeof info);
 880                                 ret = func_layer->layer_get_info(private_layer->layer_backend, &info);
 881                                 TDM_DBG_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, reply);
 882
 883                                 if (!private_layer->showing_buffer)
 884                                         continue;
 885
 886                                 format = tbm_surface_get_format(private_layer->showing_buffer->buffer);
 887                                 tbm_surface_get_info(private_layer->showing_buffer->buffer, &buf_info);
 888
 889                                 size.h = tbm_surface_get_width(private_layer->showing_buffer->buffer);
 890                                 size.v = tbm_surface_get_height(private_layer->showing_buffer->buffer);
 891
 892                                 if (info.src_config.format)
 893                                         format = (info.src_config.format) ? : format;
 894
 895                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   %p   %c%c%c%c   %ux%u   %ux%u+%u+%u   %ux%u+%u+%u   %s\n",
 896                                                          private_layer->index,
 897                                                          private_output->index,
 898                                                          private_layer->caps.zpos,
 899                                                          private_layer->showing_buffer->buffer, FOURCC_STR(format), size.h, size.v,
 900                                                          info.src_config.pos.w, info.src_config.pos.h, info.src_config.pos.x, info.src_config.pos.y,
 901                                                          info.dst_pos.w, info.dst_pos.h, info.dst_pos.x, info.dst_pos.y,
 902                                                          tdm_transform_str(info.transform));
 903                         } else {
 904                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   -\n",
 905                                                          private_layer->index,
 906                                                          private_output->index,
 907                                                          private_layer->caps.zpos);
 908                         }
 909
 910                         TDM_SNPRINTF(reply, len, "\tcaps\t: ");
 911                         tdm_layer_caps_str(private_layer->caps.capabilities, &reply, len);
 912                         TDM_SNPRINTF(reply, len, "\n");
 913
 914                         TDM_SNPRINTF(reply, len, "\tformats\t: ");
 915                         if (private_layer->caps.format_count > 0) {
 916                                 const char *sep = "";
 917                                 for (i = 0; i < private_layer->caps.format_count; i++) {
 918                                         if (private_layer->caps.formats[i] == 0)
 919                                                 continue;
 920                                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_layer->caps.formats[i]));
 921                                         sep = ",";
 922                                 }
 923                                 TDM_SNPRINTF(reply, len, "\n");
 924                         }
 925
 926                         TDM_SNPRINTF(reply, len, "\t%u properties:\n", private_layer->caps.prop_count);
 927                         if (private_layer->caps.prop_count > 0) {
 928                                 TDM_SNPRINTF(reply, len, "\t\tname\ttype\tidx\tvalue\n");
 929                                 for (i = 0; i < private_layer->caps.prop_count; i++) {
 930                                         tdm_value value;
 931                                         TDM_DBG_RETURN_VAL_IF_FAIL(func_layer->layer_get_property, reply);
 932                                         ret = func_layer->layer_get_property(private_layer->layer_backend,
 933                                                                                                                  private_layer->caps.props[i].id,
 934                                                                                                                  &value);
 935                                         TDM_DBG_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, reply);
 936                                         TDM_SNPRINTF(reply, len, "\t\t%s\t%s\t%u\t",
 937                                                                  private_layer->caps.props[i].name,
 938                                                                  tdm_value_type_str(private_output->caps.props[i].type),
 939                                                                  private_layer->caps.props[i].id);
 940                                 switch (private_layer->caps.props[i].type) {
 941                                 case TDM_VALUE_TYPE_PTR:
 942                                         TDM_SNPRINTF(reply, len, "%p\n", value.ptr);
 943                                         break;
 944                                 case TDM_VALUE_TYPE_INT32:
 945                                         TDM_SNPRINTF(reply, len, "%d\n", value.s32);
 946                                         break;
 947                                 case TDM_VALUE_TYPE_INT64:
 948                                         TDM_SNPRINTF(reply, len, "%"PRId64"\n", value.s64);
 949                                         break;
 950                                 case TDM_VALUE_TYPE_UINT64:
 951                                         TDM_SNPRINTF(reply, len, "%"PRIu64"\n", value.u64);
 952                                         break;
 953                                 case TDM_VALUE_TYPE_UINT32:
 954                                 default:
 955                                         TDM_SNPRINTF(reply, len, "%u\n", value.u32);
 956                                         break;
 957                                 }
 958                                 }
 959                         }
 960                 }
 961         }
 962         if (LIST_IS_EMPTY(&private_module->output_list))
 963                 TDM_SNPRINTF(reply, len, "(no layer)\n");
 964         TDM_SNPRINTF(reply, len, "\n");
 965
 966         if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 967                 const char *sep = "";
 968                 TDM_SNPRINTF(reply, len, "['%s' backend PP information]\n", module_data->name);
 969                 TDM_SNPRINTF(reply, len, "caps\t: ");
 970                 tdm_pp_caps_str(private_module->caps_pp.capabilities, &reply, len);
 971                 TDM_SNPRINTF(reply, len, "\n");
 972                 TDM_SNPRINTF(reply, len, "formats\t: ");
 973                 for (i = 0; i < private_module->caps_pp.format_count; i++) {
 974                         if (private_module->caps_pp.formats[i] == 0)
 975                                 continue;
 976                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_module->caps_pp.formats[i]));
 977                         sep = ",";
 978                 }
 979                 TDM_SNPRINTF(reply, len, "\n");
 980                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
 981                                          TDM_FRONT_VALUE(private_module->caps_pp.min_w),
 982                                          TDM_FRONT_VALUE(private_module->caps_pp.min_h),
 983                                          TDM_FRONT_VALUE(private_module->caps_pp.max_w),
 984                                          TDM_FRONT_VALUE(private_module->caps_pp.max_h),
 985                                          TDM_FRONT_VALUE(private_module->caps_pp.preferred_align));
 986                 if (!LIST_IS_EMPTY(&private_module->pp_list)) {
 987                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
 988                         TDM_SNPRINTF(reply, len, "src(format size crop)  |  dst(format size crop)  |  transform\n");
 989                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
 990                         LIST_FOR_EACH_ENTRY(private_pp, &private_module->pp_list, link) {
 991                                 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",
 992                                                          FOURCC_STR(private_pp->info.src_config.format),
 993                                                          private_pp->info.src_config.size.h,
 994                                                          private_pp->info.src_config.size.v,
 995                                                          private_pp->info.src_config.pos.x, private_pp->info.src_config.pos.y,
 996                                                          private_pp->info.src_config.pos.w, private_pp->info.src_config.pos.h,
 997                                                          FOURCC_STR(private_pp->info.dst_config.format),
 998                                                          private_pp->info.dst_config.size.h,
 999                                                          private_pp->info.dst_config.size.v,
1000                                                          private_pp->info.dst_config.pos.x, private_pp->info.dst_config.pos.y,
1001                                                          private_pp->info.dst_config.pos.w, private_pp->info.dst_config.pos.h,
1002                                                          tdm_transform_str(private_pp->info.transform));
1003                         }
1004                 }
1005         } else {
1006                 TDM_SNPRINTF(reply, len, "['%s' backend No PP capability]\n", module_data->name);
1007         }
1008         TDM_SNPRINTF(reply, len, "\n");
1009
1010         if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
1011                 const char *sep = "";
1012                 TDM_SNPRINTF(reply, len, "['%s' backend capture information]\n", module_data->name);
1013                 TDM_SNPRINTF(reply, len, "caps\t: ");
1014                 tdm_capture_caps_str(private_module->caps_capture.capabilities, &reply, len);
1015                 TDM_SNPRINTF(reply, len, "\n");
1016                 TDM_SNPRINTF(reply, len, "formats\t: ");
1017                 for (i = 0; i < private_module->caps_capture.format_count; i++) {
1018                         if (private_module->caps_capture.formats[i] == 0)
1019                                 continue;
1020                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_module->caps_capture.formats[i]));
1021                         sep = ",";
1022                 }
1023                 TDM_SNPRINTF(reply, len, "\n");
1024                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
1025                                          TDM_FRONT_VALUE(private_module->caps_capture.min_w),
1026                                          TDM_FRONT_VALUE(private_module->caps_capture.min_h),
1027                                          TDM_FRONT_VALUE(private_module->caps_capture.max_w),
1028                                          TDM_FRONT_VALUE(private_module->caps_capture.max_h),
1029                                          TDM_FRONT_VALUE(private_module->caps_capture.preferred_align));
1030                 if (!LIST_IS_EMPTY(&private_module->capture_list)) {
1031                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
1032                         TDM_SNPRINTF(reply, len, "dst(format size crop)  |  transform\n");
1033                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
1034                         LIST_FOR_EACH_ENTRY(private_capture, &private_module->capture_list, link) {
1035                                 TDM_SNPRINTF(reply, len, "%c%c%c%c %ux%u %ux%u+%u+%u | %s\n",
1036                                                          FOURCC_STR(private_capture->info.dst_config.format),
1037                                                          private_capture->info.dst_config.size.h,
1038                                                          private_capture->info.dst_config.size.v,
1039                                                          private_capture->info.dst_config.pos.x, private_capture->info.dst_config.pos.y,
1040                                                          private_capture->info.dst_config.pos.w, private_capture->info.dst_config.pos.h,
1041                                                          tdm_transform_str(private_capture->info.transform));
1042                         }
1043                 }
1044         } else {
1045                 TDM_SNPRINTF(reply, len, "['%s' backend No Capture capability]\n", module_data->name);
1046         }
1047         TDM_SNPRINTF(reply, len, "\n");
1048         return reply;
1049 }
1050
1051 EXTERN void
1052 tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len)
1053 {
1054         tdm_private_display *private_display;
1055         tdm_private_module *private_module = NULL;
1056
1057         TDM_DBG_RETURN_IF_FAIL(dpy != NULL);
1058
1059         private_display = dpy;
1060
1061         _pthread_mutex_lock(&private_display->lock);
1062
1063         LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
1064                 reply = _tdm_helper_get_backend_information(private_module, reply, len);
1065         }
1066
1067         _pthread_mutex_unlock(&private_display->lock);
1068 }
1069
1070 /* LCOV_EXCL_START */
1071 EXTERN int
1072 tdm_helper_commit_per_vblank_enabled(tdm_display *dpy)
1073 {
1074         TDM_DEPRECATED("Use tdm_helper_output_commit_per_vblank_enabled");
1075
1076         return 0;
1077 }
1078 /* LCOV_EXCL_STOP */
1079
1080 EXTERN int
1081 tdm_helper_output_commit_per_vblank_enabled(tdm_output *output)
1082 {
1083         tdm_private_output *private_output = output;
1084
1085         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, -1);
1086
1087         return !!private_output->commit_per_vblank;
1088 }
1089
1090 EXTERN unsigned int
1091 tdm_helper_output_vblank_timer_expired(tdm_output *output)
1092 {
1093         tdm_private_output *private_output = output;
1094
1095         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, -1);
1096
1097         return private_output->vblank_timeout_timer_expired;
1098 }