src/tdm_helper.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include <png.h>
  41 #include <pixman.h>
  42
  43 #include "tdm_private.h"
  44
  45 #define PNG_DEPTH 8
  46
  47 static const char *file_exts[2] = {"png", "yuv"};
  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         }
 295
 296         tdm_helper_get_buffer_full_size(buffer, &bw, &bh);
 297
 298         bo_cnt = tbm_surface_internal_get_num_bos(buffer);
 299         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)",
 300                         bo_cnt, bw, bh, info.width, info.height, FOURCC_STR(info.format),
 301                         info.planes[0].ptr, info.planes[0].offset, info.planes[0].stride, info.planes[0].size,
 302                         info.planes[1].ptr, info.planes[1].offset, info.planes[1].stride, info.planes[1].size,
 303                         info.planes[2].ptr, info.planes[2].offset, info.planes[2].stride, info.planes[2].size);
 304
 305         switch (info.format) {
 306         case TBM_FORMAT_ARGB8888:
 307         case TBM_FORMAT_XRGB8888:
 308                 _tdm_helper_dump_png(temp, info.planes[0].ptr, bw, bh);
 309                 break;
 310         case TBM_FORMAT_YVU420:
 311         case TBM_FORMAT_YUV420:
 312                 _tdm_helper_dump_raw((const char*)temp,
 313                                                          info.planes[0].ptr,
 314                                                          info.planes[0].size,
 315                                                          info.planes[1].ptr,
 316                                                          info.planes[1].size,
 317                                                          info.planes[2].ptr,
 318                                                          info.planes[2].size);
 319                 break;
 320         case TBM_FORMAT_NV12:
 321         case TBM_FORMAT_NV21:
 322                 _tdm_helper_dump_raw((const char*)temp,
 323                                                          info.planes[0].ptr,
 324                                                          info.planes[0].size,
 325                                                          info.planes[1].ptr,
 326                                                          info.planes[1].size, NULL,
 327                                                          0);
 328                 break;
 329         case TBM_FORMAT_YUYV:
 330         case TBM_FORMAT_UYVY:
 331                 _tdm_helper_dump_raw((const char*)temp,
 332                                                          info.planes[0].ptr,
 333                                                          info.planes[0].size, NULL, 0,
 334                                                          NULL, 0);
 335                 break;
 336         default:
 337                 TDM_ERR("can't dump %c%c%c%c buffer", FOURCC_STR(info.format));
 338                 tbm_surface_unmap(buffer);
 339                 return;
 340         }
 341
 342         tbm_surface_unmap(buffer);
 343
 344         TDM_INFO("dump %s", temp);
 345 }
 346
 347 EXTERN void
 348 tdm_helper_clear_buffer_color(tbm_surface_h buffer, tdm_pos *pos, unsigned int color)
 349 {
 350         tbm_surface_info_s info;
 351         int ret;
 352
 353         TDM_RETURN_IF_FAIL(buffer != NULL);
 354
 355         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 356         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 357
 358         switch (info.format) {
 359         case TBM_FORMAT_ARGB8888:
 360         case TBM_FORMAT_XRGB8888:
 361                 if (!pos) {
 362                         memset(info.planes[0].ptr, 0, info.planes[0].stride * info.height);
 363                 } else {
 364                         unsigned char *p;
 365                         int x, y;
 366                         for (y = pos->y; y <= (pos->y + pos->h); y++) {
 367                                 p = info.planes[0].ptr + info.planes[0].stride * y;
 368                                 for (x = pos->x; x <= (pos->x + pos->w); x++) {
 369                                         unsigned int *ibuf = (unsigned int*)p;
 370                                         ibuf[x] = color;
 371                                 }
 372                         }
 373                 }
 374                 break;
 375         case TBM_FORMAT_YVU420:
 376         case TBM_FORMAT_YUV420:
 377                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 378                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 379                 memset((char*)info.planes[2].ptr, 0x80, info.planes[2].stride * (info.height >> 1));
 380                 break;
 381         case TBM_FORMAT_NV12:
 382         case TBM_FORMAT_NV21:
 383                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 384                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 385                 break;
 386         case TBM_FORMAT_YUYV: {
 387                 int *ibuf = (int*)info.planes[0].ptr;
 388                 int i, size = info.planes[0].stride * info.height / 4;
 389
 390                 for (i = 0 ; i < size ; i++)
 391                         ibuf[i] = 0x10801080;
 392         }
 393         break;
 394         case TBM_FORMAT_UYVY: {
 395                 int *ibuf = (int*)info.planes[0].ptr;
 396                 int i, size = info.planes[0].stride * info.height / 4;
 397
 398                 for (i = 0 ; i < size ; i++)
 399                         ibuf[i] = 0x80108010; /* YUYV -> 0xVYUY */
 400         }
 401         break;
 402         default:
 403                 TDM_ERR("can't clear %c%c%c%c buffer", FOURCC_STR(info.format));
 404                 break;
 405         }
 406
 407         tbm_surface_unmap(buffer);
 408 }
 409
 410 EXTERN void
 411 tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos)
 412 {
 413         TDM_RETURN_IF_FAIL(buffer != NULL);
 414
 415         tdm_helper_clear_buffer_color(buffer, pos, 0);
 416 }
 417
 418 EXTERN void
 419 tdm_helper_clear_buffer(tbm_surface_h buffer)
 420 {
 421         TDM_RETURN_IF_FAIL(buffer != NULL);
 422
 423         tdm_helper_clear_buffer_pos(buffer, NULL);
 424 }
 425
 426 EXTERN void
 427 tdm_helper_get_buffer_full_size(tbm_surface_h buffer, int *buffer_w, int *buffer_h)
 428 {
 429         tbm_surface_info_s info;
 430         int ret;
 431
 432         TDM_RETURN_IF_FAIL(buffer != NULL);
 433
 434         ret = tbm_surface_get_info(buffer, &info);
 435         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 436
 437         if (buffer_w) {
 438                 if (IS_RGB(info.format))
 439                         *buffer_w = info.planes[0].stride >> 2;
 440                 else
 441                         *buffer_w = info.planes[0].stride;
 442         }
 443
 444         if (buffer_h)
 445                 *buffer_h = info.planes[0].size / info.planes[0].stride;
 446 }
 447
 448 static pixman_format_code_t
 449 _tdm_helper_pixman_format_get(tbm_format format)
 450 {
 451         switch (format) {
 452         case TBM_FORMAT_ARGB8888:
 453                 return PIXMAN_a8r8g8b8;
 454         case TBM_FORMAT_XRGB8888:
 455                 return PIXMAN_x8r8g8b8;
 456         default:
 457                 return 0;
 458         }
 459
 460         return 0;
 461 }
 462
 463 EXTERN tdm_error
 464 tdm_helper_convert_buffer(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
 465                                                   tdm_pos *srcpos, tdm_pos *dstpos,
 466                                                   tdm_transform transform, int over)
 467 {
 468         tbm_surface_info_s src_info, dst_info;
 469         pixman_image_t *src_img = NULL, *dst_img = NULL;
 470         pixman_format_code_t src_format, dst_format;
 471         double scale_x, scale_y;
 472         int rotate_step, bos;
 473         pixman_transform_t t;
 474         struct pixman_f_transform ft;
 475         pixman_op_t op;
 476         int src_stride, dst_stride;
 477         int buf_width, err;
 478         tdm_error ret = TDM_ERROR_OPERATION_FAILED;
 479
 480         TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 481         TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 482
 483         bos = tbm_surface_internal_get_num_bos(srcbuf);
 484         TDM_RETURN_VAL_IF_FAIL(bos == 1, TDM_ERROR_OPERATION_FAILED);
 485
 486         bos = tbm_surface_internal_get_num_bos(dstbuf);
 487         TDM_RETURN_VAL_IF_FAIL(bos == 1, TDM_ERROR_OPERATION_FAILED);
 488
 489         err = tbm_surface_map(srcbuf, TBM_OPTION_READ, &src_info);
 490         TDM_RETURN_VAL_IF_FAIL(err == TBM_SURFACE_ERROR_NONE, TDM_ERROR_OPERATION_FAILED);
 491
 492         err = tbm_surface_map(dstbuf, TBM_OPTION_WRITE, &dst_info);
 493         TDM_GOTO_IF_FAIL(err == TBM_SURFACE_ERROR_NONE, unmap_srcbuf);
 494
 495         /* not handle buffers which have 2 more gem handles */
 496         TDM_GOTO_IF_FAIL(src_info.planes[0].ptr != NULL, unmap_dstbuf);
 497         TDM_GOTO_IF_FAIL(dst_info.planes[0].ptr != NULL, unmap_dstbuf);
 498
 499         src_format = _tdm_helper_pixman_format_get(src_info.format);
 500         TDM_GOTO_IF_FAIL(src_format > 0, unmap_dstbuf);
 501         dst_format = _tdm_helper_pixman_format_get(dst_info.format);
 502         TDM_GOTO_IF_FAIL(dst_format > 0, unmap_dstbuf);
 503
 504         buf_width = src_info.planes[0].stride >> 2;
 505         src_stride = src_info.planes[0].stride;
 506         src_img = pixman_image_create_bits(src_format, buf_width, src_info.height,
 507                                                                            (uint32_t*)src_info.planes[0].ptr, src_stride);
 508         TDM_GOTO_IF_FAIL(src_img, unref_img);
 509
 510         buf_width = dst_info.planes[0].stride >> 2;
 511         dst_stride = dst_info.planes[0].stride;
 512         dst_img = pixman_image_create_bits(dst_format, buf_width, dst_info.height,
 513                                                                            (uint32_t*)dst_info.planes[0].ptr, dst_stride);
 514         TDM_GOTO_IF_FAIL(dst_img, unref_img);
 515
 516         pixman_f_transform_init_identity(&ft);
 517
 518         if (transform & TDM_TRANSFORM_FLIPPED) {
 519                 pixman_f_transform_scale(&ft, NULL, -1, 1);
 520                 pixman_f_transform_translate(&ft, NULL, dstpos->w, 0);
 521         }
 522
 523         rotate_step = transform & 0x3;
 524         if (rotate_step > 0) {
 525                 int c, s, tx = 0, ty = 0;
 526                 switch (rotate_step) {
 527                 case 1:
 528                         c = 0, s = -1, tx = -dstpos->w;
 529                         break;
 530                 case 2:
 531                         c = -1, s = 0, tx = -dstpos->w, ty = -dstpos->h;
 532                         break;
 533                 case 3:
 534                         c = 0, s = 1, ty = -dstpos->h;
 535                         break;
 536                 }
 537                 pixman_f_transform_translate(&ft, NULL, tx, ty);
 538                 pixman_f_transform_rotate(&ft, NULL, c, s);
 539         }
 540
 541         if (rotate_step % 2 == 0) {
 542                 scale_x = (double)srcpos->w / dstpos->w;
 543                 scale_y = (double)srcpos->h / dstpos->h;
 544         } else {
 545                 scale_x = (double)srcpos->w / dstpos->h;
 546                 scale_y = (double)srcpos->h / dstpos->w;
 547         }
 548
 549         pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
 550         pixman_f_transform_translate(&ft, NULL, srcpos->x, srcpos->y);
 551         pixman_transform_from_pixman_f_transform(&t, &ft);
 552         pixman_image_set_transform(src_img, &t);
 553
 554         op = (!over) ? PIXMAN_OP_SRC : PIXMAN_OP_OVER;
 555
 556         pixman_image_composite(op, src_img, NULL, dst_img, 0, 0, 0, 0,
 557                                                    dstpos->x, dstpos->y, dstpos->w, dstpos->h);
 558
 559         ret = TDM_ERROR_NONE;
 560
 561 unref_img:
 562         if (src_img)
 563                 pixman_image_unref(src_img);
 564         if (dst_img)
 565                 pixman_image_unref(dst_img);
 566 unmap_dstbuf:
 567         tbm_surface_unmap(dstbuf);
 568 unmap_srcbuf:
 569         tbm_surface_unmap(srcbuf);
 570
 571         return ret;
 572 }
 573
 574 /* LCOV_EXCL_START */
 575 EXTERN int
 576 tdm_helper_get_fd(const char *env)
 577 {
 578         if (strncmp(env, "TBM_DRM_MASTER_FD", 17) && strncmp(env, "TDM_DRM_MASTER_FD", 17)) {
 579                 TDM_INFO("DEPRECATED! '%s'", env);
 580                 return -1;
 581         }
 582
 583         return tbm_drm_helper_get_master_fd();
 584 }
 585
 586 EXTERN void
 587 tdm_helper_set_fd(const char *env, int fd)
 588 {
 589         if (strncmp(env, "TBM_DRM_MASTER_FD", 17) && strncmp(env, "TDM_DRM_MASTER_FD", 17)) {
 590                 TDM_INFO("DEPRECATED! '%s'", env);
 591                 return;
 592         }
 593
 594         tbm_drm_helper_set_tbm_master_fd(fd);
 595 }
 596 /* LCOV_EXCL_STOP */
 597
 598 EXTERN void
 599 tdm_helper_dump_start(char *dumppath, int *count)
 600 {
 601         if (dumppath == NULL || count == NULL) {
 602                 TDM_DBG("tdm_helper_dump dumppath or count is null.");
 603                 return;
 604         }
 605
 606         tdm_dump_enable = 1;
 607
 608         TDM_DBG("tdm_helper_dump start.(path : %s)", dumppath);
 609 }
 610
 611 EXTERN void
 612 tdm_helper_dump_stop(void)
 613 {
 614         tdm_dump_enable = 0;
 615
 616         TDM_DBG("tdm_helper_dump stop.");
 617 }
 618
 619 /* LCOV_EXCL_START */
 620 static tdm_error
 621 _tdm_helper_buffer_convert(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
 622                                                    int dx, int dy, int dw, int dh, int count)
 623 {
 624         pixman_image_t *src_img = NULL, *dst_img = NULL;
 625         pixman_format_code_t src_format, dst_format;
 626         pixman_transform_t t;
 627         struct pixman_f_transform ft;
 628         pixman_op_t op;
 629         tbm_surface_info_s src_info = {0, };
 630         tbm_surface_info_s dst_info = {0, };
 631         int stride, width;
 632         double scale_x, scale_y;
 633
 634         TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 635         TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 636
 637         if (tbm_surface_map(srcbuf, TBM_SURF_OPTION_READ, &src_info) != TBM_SURFACE_ERROR_NONE) {
 638                 TDM_ERR("cannot mmap srcbuf\n");
 639                 return TDM_ERROR_OPERATION_FAILED;
 640         }
 641
 642         if (tbm_surface_map(dstbuf, TBM_SURF_OPTION_WRITE, &dst_info) != TBM_SURFACE_ERROR_NONE) {
 643                 TDM_ERR("cannot mmap dstbuf\n");
 644                 tbm_surface_unmap(srcbuf);
 645                 return TDM_ERROR_OPERATION_FAILED;
 646         }
 647         TDM_GOTO_IF_FAIL(src_info.num_planes == 1, cant_convert);
 648         TDM_GOTO_IF_FAIL(dst_info.num_planes == 1, cant_convert);
 649
 650         /* src */
 651         src_format = _tdm_helper_pixman_format_get(src_info.format);
 652         TDM_GOTO_IF_FAIL(src_format > 0, cant_convert);
 653
 654         width = src_info.planes[0].stride / 4;
 655         stride = src_info.planes[0].stride;
 656         src_img = pixman_image_create_bits(src_format, width, src_info.height,
 657                                                                            (uint32_t*)src_info.planes[0].ptr, stride);
 658         TDM_GOTO_IF_FAIL(src_img != NULL, cant_convert);
 659
 660         /* dst */
 661         dst_format = _tdm_helper_pixman_format_get(dst_info.format);
 662         TDM_GOTO_IF_FAIL(dst_format > 0, cant_convert);
 663
 664         width = dst_info.planes[0].stride / 4;
 665         stride = dst_info.planes[0].stride;
 666         dst_img = pixman_image_create_bits(dst_format, width, dst_info.height,
 667                                                                            (uint32_t*)dst_info.planes[0].ptr, stride);
 668         TDM_GOTO_IF_FAIL(dst_img != NULL, cant_convert);
 669
 670         pixman_f_transform_init_identity(&ft);
 671
 672         scale_x = (double)src_info.width / dw;
 673         scale_y = (double)src_info.height / dh;
 674
 675         pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
 676         pixman_f_transform_translate(&ft, NULL, 0, 0);
 677         pixman_transform_from_pixman_f_transform(&t, &ft);
 678         pixman_image_set_transform(src_img, &t);
 679
 680         if (count == 0)
 681                 op = PIXMAN_OP_SRC;
 682         else
 683                 op = PIXMAN_OP_OVER;
 684
 685         pixman_image_composite(op, src_img, NULL, dst_img,
 686                                                    0, 0, 0, 0, dx, dy, dw, dh);
 687
 688         if (src_img)
 689                 pixman_image_unref(src_img);
 690         if (dst_img)
 691                 pixman_image_unref(dst_img);
 692
 693         tbm_surface_unmap(srcbuf);
 694         tbm_surface_unmap(dstbuf);
 695
 696         return TDM_ERROR_NONE;
 697
 698 cant_convert:
 699         if (src_img)
 700                 pixman_image_unref(src_img);
 701
 702         tbm_surface_unmap(srcbuf);
 703         tbm_surface_unmap(dstbuf);
 704
 705         return TDM_ERROR_OPERATION_FAILED;
 706 }
 707 /* LCOV_EXCL_STOP */
 708
 709
 710 EXTERN tdm_error
 711 tdm_helper_capture_output(tdm_output *output, tbm_surface_h dst_buffer,
 712                                                   int x, int y, int w, int h,
 713                                                   tdm_helper_capture_handler func, void *data)
 714 {
 715         tbm_surface_h surface;
 716         tdm_error err;
 717         int i, count, first = 0;
 718
 719         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 720         TDM_RETURN_VAL_IF_FAIL(dst_buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 721         TDM_RETURN_VAL_IF_FAIL(x >= 0, TDM_ERROR_INVALID_PARAMETER);
 722         TDM_RETURN_VAL_IF_FAIL(y >= 0, TDM_ERROR_INVALID_PARAMETER);
 723         TDM_RETURN_VAL_IF_FAIL(w >= 0, TDM_ERROR_INVALID_PARAMETER);
 724         TDM_RETURN_VAL_IF_FAIL(h >= 0, TDM_ERROR_INVALID_PARAMETER);
 725         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 726
 727         err = tdm_output_get_layer_count(output, &count);
 728         if (err != TDM_ERROR_NONE) {
 729                 TDM_ERR("tdm_output_get_layer_count fail(%d)\n", err);
 730                 return TDM_ERROR_OPERATION_FAILED;
 731         }
 732         if (count <= 0) {
 733                 TDM_ERR("tdm_output_get_layer_count err(%d, %d)\n", err, count);
 734                 return TDM_ERROR_BAD_MODULE;
 735         }
 736
 737         for (i = count - 1; i >= 0; i--) {
 738                 tdm_layer *layer = tdm_output_get_layer(output, i, NULL);
 739
 740                 surface = tdm_layer_get_displaying_buffer(layer, &err);
 741                 if (err != TDM_ERROR_NONE)
 742                         continue;
 743
 744                 err = _tdm_helper_buffer_convert(surface, dst_buffer, x, y, w, h, first++);
 745                 if (err != TDM_ERROR_NONE)
 746                         TDM_DBG("convert fail %d-layer buffer\n", i);
 747                 else
 748                         TDM_DBG("convert success %d-layer buffer\n", i);
 749         }
 750
 751         func(dst_buffer, data);
 752
 753         return TDM_ERROR_NONE;
 754 }
 755
 756 static char *
 757 _tdm_helper_get_backend_information(tdm_private_module *private_module, char *reply, int *len)
 758 {
 759         tdm_backend_module *module_data;
 760         tdm_func_output *func_output;
 761         tdm_func_layer *func_layer;
 762         tdm_private_output *private_output = NULL;
 763         tdm_private_layer *private_layer = NULL;
 764         tdm_private_pp *private_pp = NULL;
 765         tdm_private_capture *private_capture = NULL;
 766         tdm_error ret;
 767         int i;
 768
 769         func_output = &private_module->func_output;
 770         func_layer = &private_module->func_layer;
 771
 772         /* module information */
 773         module_data = private_module->module_data;
 774         TDM_SNPRINTF(reply, len, "['%s' backend information]\n", module_data->name);
 775         TDM_SNPRINTF(reply, len, "vendor: %s\n", module_data->vendor);
 776         TDM_SNPRINTF(reply, len, "version: %d.%d\n\n",
 777                                  (int)TDM_BACKEND_GET_ABI_MAJOR(module_data->abi_version),
 778                                  (int)TDM_BACKEND_GET_ABI_MINOR(module_data->abi_version));
 779
 780         /* output information */
 781         TDM_SNPRINTF(reply, len, "['%s' backend output information]\n", module_data->name);
 782         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 783         TDM_SNPRINTF(reply, len, "idx   maker   model   name   type   status   dpms   subpixel   align_w   min   max   phy(mm)\n");
 784         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 785         LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
 786                 TDM_SNPRINTF(reply, len, "%d   %s   %s   %s   %s   %s   %s   %u   %d   %dx%d   %dx%d   %ux%u\n",
 787                                          private_output->index, private_output->caps.maker,
 788                                          private_output->caps.model, private_output->caps.name,
 789                                          tdm_conn_str(private_output->caps.type),
 790                                          tdm_status_str(private_output->caps.status),
 791                                          tdm_dpms_str(private_output->current_dpms_value),
 792                                          private_output->caps.subpixel,
 793                                          TDM_FRONT_VALUE(private_output->caps.preferred_align),
 794                                          TDM_FRONT_VALUE(private_output->caps.min_w),
 795                                          TDM_FRONT_VALUE(private_output->caps.min_h),
 796                                          TDM_FRONT_VALUE(private_output->caps.max_w),
 797                                          TDM_FRONT_VALUE(private_output->caps.max_h),
 798                                          private_output->caps.mmWidth, private_output->caps.mmHeight);
 799
 800                 TDM_SNPRINTF(reply, len, "\t%u modes:\n", private_output->caps.mode_count);
 801
 802                 if (private_output->caps.mode_count > 0) {
 803                         TDM_SNPRINTF(reply, len, "\t\t name refresh (Hz) clk hdisp hss hse htot vdisp vss vse vtot vscan\n");
 804                         for (i = 0; i < private_output->caps.mode_count; i++) {
 805                                 char *current = (private_output->current_mode == private_output->caps.modes + i) ? "*" : " ";
 806                                 TDM_SNPRINTF(reply, len, "\t\t%s%s %u %u %u %u %u %u %u %u %u %u %u ",
 807                                                          current,
 808                                                          private_output->caps.modes[i].name,
 809                                                          private_output->caps.modes[i].vrefresh,
 810                                                          private_output->caps.modes[i].clock,
 811                                                          private_output->caps.modes[i].hdisplay,
 812                                                          private_output->caps.modes[i].hsync_start,
 813                                                          private_output->caps.modes[i].hsync_end,
 814                                                          private_output->caps.modes[i].htotal,
 815                                                          private_output->caps.modes[i].vdisplay,
 816                                                          private_output->caps.modes[i].vsync_start,
 817                                                          private_output->caps.modes[i].vsync_end,
 818                                                          private_output->caps.modes[i].vtotal,
 819                                                          private_output->caps.modes[i].vscan);
 820                                 tdm_mode_flag_str(private_output->caps.modes[i].flags, &reply, len);
 821                                 TDM_SNPRINTF(reply, len, " ");
 822                                 tdm_mode_type_str(private_output->caps.modes[i].type, &reply, len);
 823                                 TDM_SNPRINTF(reply, len, "\n");
 824                         }
 825                 }
 826
 827                 TDM_SNPRINTF(reply, len, "\t%d properties:\n", private_output->caps.prop_count);
 828                 if (private_output->caps.prop_count > 0) {
 829                         TDM_SNPRINTF(reply, len, "\t\tname\ttype\tidx\tvalue\n");
 830                         for (i = 0; i < private_output->caps.prop_count; i++) {
 831                                 tdm_value value;
 832                                 TDM_DBG_RETURN_VAL_IF_FAIL(func_output->output_get_property, reply);
 833                                 ret = func_output->output_get_property(private_output->output_backend,
 834                                                                                                            private_output->caps.props[i].id,
 835                                                                                                            &value);
 836                                 TDM_DBG_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, reply);
 837                                 TDM_SNPRINTF(reply, len, "\t\t%s\t%s\t%u\t",
 838                                                          private_output->caps.props[i].name,
 839                                                          tdm_value_type_str(private_output->caps.props[i].type),
 840                                                          private_output->caps.props[i].id);
 841                                 switch (private_output->caps.props[i].type) {
 842                                 case TDM_VALUE_TYPE_PTR:
 843                                         TDM_SNPRINTF(reply, len, "%p\n", value.ptr);
 844                                         break;
 845                                 case TDM_VALUE_TYPE_INT32:
 846                                         TDM_SNPRINTF(reply, len, "%d\n", value.s32);
 847                                         break;
 848                                 case TDM_VALUE_TYPE_INT64:
 849                                         TDM_SNPRINTF(reply, len, "%"PRId64"\n", value.s64);
 850                                         break;
 851                                 case TDM_VALUE_TYPE_UINT64:
 852                                         TDM_SNPRINTF(reply, len, "%"PRIu64"\n", value.u64);
 853                                         break;
 854                                 case TDM_VALUE_TYPE_UINT32:
 855                                 default:
 856                                         TDM_SNPRINTF(reply, len, "%u\n", value.u32);
 857                                         break;
 858                                 }
 859                         }
 860                 }
 861         }
 862         TDM_SNPRINTF(reply, len, "\n");
 863
 864         /* layer information */
 865         TDM_SNPRINTF(reply, len, "['%s' backend layer information]\n", module_data->name);
 866         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 867         TDM_SNPRINTF(reply, len, "idx   output   zpos   buf   format   size   crop   geometry   transform\n");
 868         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 869         LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
 870                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 871                         if (!private_layer->usable) {
 872                                 tdm_info_layer info;
 873                                 unsigned int format;
 874                                 tdm_size size;
 875                                 tbm_surface_info_s buf_info;
 876
 877                                 TDM_DBG_RETURN_VAL_IF_FAIL(func_layer->layer_get_info, reply);
 878                                 memset(&info, 0, sizeof info);
 879                                 ret = func_layer->layer_get_info(private_layer->layer_backend, &info);
 880                                 TDM_DBG_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, reply);
 881
 882                                 if (!private_layer->showing_buffer)
 883                                         continue;
 884
 885                                 format = tbm_surface_get_format(private_layer->showing_buffer->buffer);
 886                                 tbm_surface_get_info(private_layer->showing_buffer->buffer, &buf_info);
 887
 888                                 if (IS_RGB(format))
 889                                         size.h = buf_info.planes[0].stride >> 2;
 890                                 else
 891                                         size.h = buf_info.planes[0].stride;
 892                                 size.v = tbm_surface_get_height(private_layer->showing_buffer->buffer);
 893
 894                                 if (info.src_config.format)
 895                                         format = (info.src_config.format) ? : format;
 896
 897                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   %p   %c%c%c%c   %ux%u   %ux%u+%u+%u   %ux%u+%u+%u   %s\n",
 898                                                          private_layer->index,
 899                                                          private_output->index,
 900                                                          private_layer->caps.zpos,
 901                                                          private_layer->showing_buffer->buffer, FOURCC_STR(format), size.h, size.v,
 902                                                          info.src_config.pos.w, info.src_config.pos.h, info.src_config.pos.x, info.src_config.pos.y,
 903                                                          info.dst_pos.w, info.dst_pos.h, info.dst_pos.x, info.dst_pos.y,
 904                                                          tdm_transform_str(info.transform));
 905                         } else {
 906                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   -\n",
 907                                                          private_layer->index,
 908                                                          private_output->index,
 909                                                          private_layer->caps.zpos);
 910                         }
 911
 912                         TDM_SNPRINTF(reply, len, "\tcaps\t: ");
 913                         tdm_layer_caps_str(private_layer->caps.capabilities, &reply, len);
 914                         TDM_SNPRINTF(reply, len, "\n");
 915
 916                         TDM_SNPRINTF(reply, len, "\tformats\t: ");
 917                         if (private_layer->caps.format_count > 0) {
 918                                 const char *sep = "";
 919                                 for (i = 0; i < private_layer->caps.format_count; i++) {
 920                                         if (private_layer->caps.formats[i] == 0)
 921                                                 continue;
 922                                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_layer->caps.formats[i]));
 923                                         sep = ",";
 924                                 }
 925                                 TDM_SNPRINTF(reply, len, "\n");
 926                         }
 927
 928                         TDM_SNPRINTF(reply, len, "\t%u properties:\n", private_layer->caps.prop_count);
 929                         if (private_layer->caps.prop_count > 0) {
 930                                 TDM_SNPRINTF(reply, len, "\t\tname\ttype\tidx\tvalue\n");
 931                                 for (i = 0; i < private_layer->caps.prop_count; i++) {
 932                                         tdm_value value;
 933                                         TDM_DBG_RETURN_VAL_IF_FAIL(func_layer->layer_get_property, reply);
 934                                         ret = func_layer->layer_get_property(private_layer->layer_backend,
 935                                                                                                                  private_layer->caps.props[i].id,
 936                                                                                                                  &value);
 937                                         TDM_DBG_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, reply);
 938                                         TDM_SNPRINTF(reply, len, "\t\t%s\t%s\t%u\t",
 939                                                                  private_layer->caps.props[i].name,
 940                                                                  tdm_value_type_str(private_output->caps.props[i].type),
 941                                                                  private_layer->caps.props[i].id);
 942                                 switch (private_layer->caps.props[i].type) {
 943                                 case TDM_VALUE_TYPE_PTR:
 944                                         TDM_SNPRINTF(reply, len, "%p\n", value.ptr);
 945                                         break;
 946                                 case TDM_VALUE_TYPE_INT32:
 947                                         TDM_SNPRINTF(reply, len, "%d\n", value.s32);
 948                                         break;
 949                                 case TDM_VALUE_TYPE_INT64:
 950                                         TDM_SNPRINTF(reply, len, "%"PRId64"\n", value.s64);
 951                                         break;
 952                                 case TDM_VALUE_TYPE_UINT64:
 953                                         TDM_SNPRINTF(reply, len, "%"PRIu64"\n", value.u64);
 954                                         break;
 955                                 case TDM_VALUE_TYPE_UINT32:
 956                                 default:
 957                                         TDM_SNPRINTF(reply, len, "%u\n", value.u32);
 958                                         break;
 959                                 }
 960                                 }
 961                         }
 962                 }
 963         }
 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 }