src/tdm_helper.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include <png.h>
  41 #include <string.h>
  42 #include <tbm_surface.h>
  43 #include <tbm_surface_internal.h>
  44 #include <string.h>
  45 #include <time.h>
  46 #include <pixman.h>
  47
  48 #include "tdm.h"
  49 #include "tdm_private.h"
  50 #include "tdm_helper.h"
  51
  52 #define PNG_DEPTH 8
  53
  54 static const char *file_exts[2] = {"png", "yuv"};
  55
  56 int tdm_dump_enable;
  57 char *tdm_debug_dump_dir;
  58
  59 EXTERN double
  60 tdm_helper_get_time(void)
  61 {
  62         struct timespec tp;
  63
  64         if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
  65                 return (double)tp.tv_sec + ((double)tp.tv_nsec) / 1000000000.0;
  66
  67         return 0;
  68 }
  69
  70 static void
  71 _tdm_helper_dump_raw(const char *file, void *data1, int size1, void *data2,
  72                                          int size2, void *data3, int size3)
  73 {
  74         unsigned int *blocks;
  75         FILE *fp = fopen(file, "w+");
  76         TDM_RETURN_IF_FAIL(fp != NULL);
  77
  78         blocks = (unsigned int *)data1;
  79         fwrite(blocks, 1, size1, fp);
  80
  81         if (size2 > 0) {
  82                 blocks = (unsigned int *)data2;
  83                 fwrite(blocks, 1, size2, fp);
  84         }
  85
  86         if (size3 > 0) {
  87                 blocks = (unsigned int *)data3;
  88                 fwrite(blocks, 1, size3, fp);
  89         }
  90
  91         fclose(fp);
  92 }
  93
  94 static void
  95 _tdm_helper_dump_png(const char *file, const void *data, int width,
  96                                          int height)
  97 {
  98         FILE *fp = fopen(file, "wb");
  99         TDM_RETURN_IF_FAIL(fp != NULL);
 100
 101         png_structp pPngStruct =
 102                 png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
 103         if (!pPngStruct) {
 104                 fclose(fp);
 105                 return;
 106         }
 107
 108         png_infop pPngInfo = png_create_info_struct(pPngStruct);
 109         if (!pPngInfo) {
 110                 png_destroy_write_struct(&pPngStruct, NULL);
 111                 fclose(fp);
 112                 return;
 113         }
 114
 115         png_init_io(pPngStruct, fp);
 116         png_set_IHDR(pPngStruct,
 117                                  pPngInfo,
 118                                  width,
 119                                  height,
 120                                  PNG_DEPTH,
 121                                  PNG_COLOR_TYPE_RGBA,
 122                                  PNG_INTERLACE_NONE,
 123                                  PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
 124
 125         png_set_bgr(pPngStruct);
 126         png_write_info(pPngStruct, pPngInfo);
 127
 128         const int pixel_size = 4;       // RGBA
 129         png_bytep *row_pointers =
 130                 png_malloc(pPngStruct, height * sizeof(png_byte *));
 131         if (!row_pointers) {
 132                 png_destroy_write_struct(&pPngStruct, &pPngInfo);
 133                 fclose(fp);
 134                 return;
 135         }
 136
 137         unsigned int *blocks = (unsigned int *)data;
 138         int y = 0;
 139         int x = 0;
 140
 141         for (; y < height; ++y) {
 142                 png_bytep row =
 143                         png_malloc(pPngStruct, sizeof(png_byte) * width * pixel_size);
 144                 if (!row) {
 145                         for (x = 0; x < y; x++)
 146                                 png_free(pPngStruct, row_pointers[x]);
 147                         png_free(pPngStruct, row_pointers);
 148                         png_destroy_write_struct(&pPngStruct, &pPngInfo);
 149                         fclose(fp);
 150                         return;
 151                 }
 152
 153                 row_pointers[y] = (png_bytep)row;
 154                 for (x = 0; x < width; ++x) {
 155                         unsigned int curBlock = blocks[y * width + x];
 156                         row[x * pixel_size] = (curBlock & 0xFF);
 157                         row[1 + x * pixel_size] = (curBlock >> 8) & 0xFF;
 158                         row[2 + x * pixel_size] = (curBlock >> 16) & 0xFF;
 159                         row[3 + x * pixel_size] = (curBlock >> 24) & 0xFF;
 160                 }
 161         }
 162
 163         png_write_image(pPngStruct, row_pointers);
 164         png_write_end(pPngStruct, pPngInfo);
 165
 166         for (y = 0; y < height; y++)
 167                 png_free(pPngStruct, row_pointers[y]);
 168         png_free(pPngStruct, row_pointers);
 169
 170         png_destroy_write_struct(&pPngStruct, &pPngInfo);
 171
 172         fclose(fp);
 173 }
 174
 175 INTERN char *
 176 tdm_helper_dump_make_directory(const char *path, char *reply, int *len)
 177 {
 178         char *fullpath = NULL;
 179         time_t timer;
 180         struct tm *t, *buf = NULL;
 181
 182         timer = time(NULL);
 183
 184         buf = calloc(1, sizeof(struct tm));
 185         TDM_GOTO_IF_FAIL(buf != NULL, failed_make);
 186
 187         fullpath = calloc(1, TDM_PATH_LEN * sizeof(char));
 188         TDM_GOTO_IF_FAIL(fullpath != NULL, failed_make);
 189
 190         t = localtime_r(&timer, buf);
 191         TDM_GOTO_IF_FAIL(t != NULL, failed_make);
 192
 193         snprintf(fullpath, TDM_PATH_LEN, "%s/dump_%04d%02d%02d.%02d%02d%02d", path,
 194                          t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
 195
 196         if ((mkdir(fullpath, 0755)) < 0) {
 197                 TDM_ERR("mkdir '%s' fail\n", fullpath);
 198                 TDM_SNPRINTF(reply, len, "mkdir '%s' fail\n", fullpath);
 199                 goto failed_make;
 200         }
 201
 202         free(buf);
 203
 204         return fullpath;
 205 failed_make:
 206         if (fullpath)
 207                 free(fullpath);
 208         if (buf)
 209                 free(buf);
 210         return NULL;
 211 }
 212
 213 INTERN void
 214 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str)
 215 {
 216         tbm_surface_info_s info;
 217         const char *ext;
 218         char file[TDM_PATH_LEN];
 219         int ret, bw, bh;
 220
 221         TDM_RETURN_IF_FAIL(buffer != NULL);
 222         TDM_RETURN_IF_FAIL(dir != NULL);
 223         TDM_RETURN_IF_FAIL(str != NULL);
 224
 225         ret = tbm_surface_get_info(buffer, &info);
 226         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 227
 228         if (IS_RGB(info.format))
 229                 ext = file_exts[0];
 230         else
 231                 ext = file_exts[1];
 232
 233         tdm_helper_get_buffer_full_size(buffer, &bw, &bh);
 234
 235         snprintf(file, TDM_PATH_LEN, "%s/%c%c%c%c_%dx%d_%dx%d_%s.%s",
 236                          dir, FOURCC_STR(info.format), bw, bh, info.width, info.height, str, ext);
 237
 238         tdm_helper_dump_buffer(buffer, file);
 239 }
 240
 241 EXTERN void
 242 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file)
 243 {
 244         tbm_surface_info_s info;
 245         int len, ret;
 246         const char *ext;
 247         int bo_cnt;
 248         int bw, bh;
 249
 250         TDM_RETURN_IF_FAIL(buffer != NULL);
 251         TDM_RETURN_IF_FAIL(file != NULL);
 252
 253         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 254         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 255
 256         len = strnlen(file, 1024);
 257         if (IS_RGB(info.format))
 258                 ext = file_exts[0];
 259         else
 260                 ext = file_exts[1];
 261
 262         if (strncmp(file + (len - 3), ext, 3)) {
 263                 TDM_ERR("can't dump to '%s' file", file + (len - 3));
 264                 tbm_surface_unmap(buffer);
 265                 return;
 266         }
 267
 268         tdm_helper_get_buffer_full_size(buffer, &bw, &bh);
 269
 270         bo_cnt = tbm_surface_internal_get_num_bos(buffer);
 271         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)",
 272                         bo_cnt, bw, bh, info.width, info.height, FOURCC_STR(info.format),
 273                         info.planes[0].ptr, info.planes[0].offset, info.planes[0].stride, info.planes[0].size,
 274                         info.planes[1].ptr, info.planes[1].offset, info.planes[1].stride, info.planes[1].size,
 275                         info.planes[2].ptr, info.planes[2].offset, info.planes[2].stride, info.planes[2].size);
 276
 277         switch (info.format) {
 278         case TBM_FORMAT_ARGB8888:
 279         case TBM_FORMAT_XRGB8888:
 280                 _tdm_helper_dump_png(file, info.planes[0].ptr, bw, bh);
 281                 break;
 282         case TBM_FORMAT_YVU420:
 283         case TBM_FORMAT_YUV420:
 284                 _tdm_helper_dump_raw(file,
 285                                                          info.planes[0].ptr,
 286                                                          info.planes[0].size,
 287                                                          info.planes[1].ptr,
 288                                                          info.planes[1].size,
 289                                                          info.planes[2].ptr,
 290                                                          info.planes[2].size);
 291                 break;
 292         case TBM_FORMAT_NV12:
 293         case TBM_FORMAT_NV21:
 294                 _tdm_helper_dump_raw(file,
 295                                                          info.planes[0].ptr,
 296                                                          info.planes[0].size,
 297                                                          info.planes[1].ptr,
 298                                                          info.planes[1].size, NULL,
 299                                                          0);
 300                 break;
 301         case TBM_FORMAT_YUYV:
 302         case TBM_FORMAT_UYVY:
 303                 _tdm_helper_dump_raw(file,
 304                                                          info.planes[0].ptr,
 305                                                          info.planes[0].size, NULL, 0,
 306                                                          NULL, 0);
 307                 break;
 308         default:
 309                 TDM_ERR("can't dump %c%c%c%c buffer", FOURCC_STR(info.format));
 310                 tbm_surface_unmap(buffer);
 311                 return;
 312         }
 313
 314         tbm_surface_unmap(buffer);
 315
 316         TDM_INFO("dump %s", file);
 317 }
 318
 319 void
 320 tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos)
 321 {
 322         tbm_surface_info_s info;
 323         int ret;
 324
 325         TDM_RETURN_IF_FAIL(buffer != NULL);
 326
 327         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 328         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 329
 330         switch (info.format) {
 331         case TBM_FORMAT_ARGB8888:
 332         case TBM_FORMAT_XRGB8888:
 333                 if (!pos) {
 334                         memset(info.planes[0].ptr, 0, info.planes[0].stride * info.height);
 335                 } else {
 336                         unsigned char *p;
 337                         int x, y;
 338                         for (y = pos->y; y <= (pos->y + pos->h); y++) {
 339                                 p = info.planes[0].ptr + info.planes[0].stride * y;
 340                                 for (x = pos->x; x <= (pos->x + pos->w); x++) {
 341                                         int *ibuf = (int*)p;
 342                                         ibuf[x] = 0x00000000;
 343                                 }
 344                         }
 345                 }
 346                 break;
 347         case TBM_FORMAT_YVU420:
 348         case TBM_FORMAT_YUV420:
 349                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 350                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 351                 memset((char*)info.planes[2].ptr, 0x80, info.planes[2].stride * (info.height >> 1));
 352                 break;
 353         case TBM_FORMAT_NV12:
 354         case TBM_FORMAT_NV21:
 355                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 356                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 357                 break;
 358         case TBM_FORMAT_YUYV: {
 359                 int *ibuf = (int*)info.planes[0].ptr;
 360                 int i, size = info.planes[0].stride * info.height / 4;
 361
 362                 for (i = 0 ; i < size ; i++)
 363                         ibuf[i] = 0x10801080;
 364         }
 365         break;
 366         case TBM_FORMAT_UYVY: {
 367                 int *ibuf = (int*)info.planes[0].ptr;
 368                 int i, size = info.planes[0].stride * info.height / 4;
 369
 370                 for (i = 0 ; i < size ; i++)
 371                         ibuf[i] = 0x80108010; /* YUYV -> 0xVYUY */
 372         }
 373         break;
 374         default:
 375                 TDM_ERR("can't clear %c%c%c%c buffer", FOURCC_STR(info.format));
 376                 break;
 377         }
 378
 379         tbm_surface_unmap(buffer);
 380 }
 381
 382 EXTERN void
 383 tdm_helper_clear_buffer(tbm_surface_h buffer)
 384 {
 385         TDM_RETURN_IF_FAIL(buffer != NULL);
 386
 387         tdm_helper_clear_buffer_pos(buffer, NULL);
 388 }
 389
 390 EXTERN void
 391 tdm_helper_get_buffer_full_size(tbm_surface_h buffer, int *buffer_w, int *buffer_h)
 392 {
 393         tbm_surface_info_s info;
 394         int ret;
 395
 396         TDM_RETURN_IF_FAIL(buffer != NULL);
 397
 398         ret = tbm_surface_get_info(buffer, &info);
 399         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 400
 401         if (buffer_w) {
 402                 if (IS_RGB(info.format))
 403                         *buffer_w = info.planes[0].stride >> 2;
 404                 else
 405                         *buffer_w = info.planes[0].stride;
 406         }
 407
 408         if (buffer_h)
 409                 *buffer_h = info.planes[0].size / info.planes[0].stride;
 410 }
 411
 412 static pixman_format_code_t
 413 _tdm_helper_pixman_format_get(tbm_format format)
 414 {
 415         switch (format) {
 416         case TBM_FORMAT_ARGB8888:
 417                 return PIXMAN_a8r8g8b8;
 418         case TBM_FORMAT_XRGB8888:
 419                 return PIXMAN_x8r8g8b8;
 420         default:
 421                 return 0;
 422         }
 423
 424         return 0;
 425 }
 426
 427 EXTERN tdm_error
 428 tdm_helper_convert_buffer(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
 429                                                   tdm_pos *srcpos, tdm_pos *dstpos,
 430                                                   tdm_transform transform, int over)
 431 {
 432         tbm_surface_info_s src_info, dst_info;
 433         pixman_image_t *src_img = NULL, *dst_img = NULL;
 434         pixman_format_code_t src_format, dst_format;
 435         double scale_x, scale_y;
 436         int rotate_step, bos;
 437         pixman_transform_t t;
 438         struct pixman_f_transform ft;
 439         pixman_op_t op;
 440         int src_stride, dst_stride;
 441         int buf_width, err;
 442         tdm_error ret = TDM_ERROR_OPERATION_FAILED;
 443
 444         TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 445         TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 446
 447         bos = tbm_surface_internal_get_num_bos(srcbuf);
 448         TDM_RETURN_VAL_IF_FAIL(bos == 1, TDM_ERROR_OPERATION_FAILED);
 449
 450         bos = tbm_surface_internal_get_num_bos(dstbuf);
 451         TDM_RETURN_VAL_IF_FAIL(bos == 1, TDM_ERROR_OPERATION_FAILED);
 452
 453         err = tbm_surface_map(srcbuf, TBM_OPTION_READ, &src_info);
 454         TDM_RETURN_VAL_IF_FAIL(err == TBM_SURFACE_ERROR_NONE, TDM_ERROR_OPERATION_FAILED);
 455
 456         err = tbm_surface_map(dstbuf, TBM_OPTION_WRITE, &dst_info);
 457         TDM_GOTO_IF_FAIL(err == TBM_SURFACE_ERROR_NONE, unmap_srcbuf);
 458
 459         /* not handle buffers which have 2 more gem handles */
 460         TDM_GOTO_IF_FAIL(src_info.planes[0].ptr != NULL, unmap_dstbuf);
 461         TDM_GOTO_IF_FAIL(dst_info.planes[0].ptr != NULL, unmap_dstbuf);
 462
 463         src_format = _tdm_helper_pixman_format_get(src_info.format);
 464         TDM_GOTO_IF_FAIL(src_format > 0, unmap_dstbuf);
 465         dst_format = _tdm_helper_pixman_format_get(dst_info.format);
 466         TDM_GOTO_IF_FAIL(dst_format > 0, unmap_dstbuf);
 467
 468         buf_width = src_info.planes[0].stride >> 2;
 469         src_stride = src_info.planes[0].stride;
 470         src_img = pixman_image_create_bits(src_format, buf_width, src_info.height,
 471                                                                            (uint32_t*)src_info.planes[0].ptr, src_stride);
 472         TDM_GOTO_IF_FAIL(src_img, unref_img);
 473
 474         buf_width = dst_info.planes[0].stride >> 2;
 475         dst_stride = dst_info.planes[0].stride;
 476         dst_img = pixman_image_create_bits(dst_format, buf_width, dst_info.height,
 477                                                                            (uint32_t*)dst_info.planes[0].ptr, dst_stride);
 478         TDM_GOTO_IF_FAIL(dst_img, unref_img);
 479
 480         pixman_f_transform_init_identity(&ft);
 481
 482         if (transform & TDM_TRANSFORM_FLIPPED) {
 483                 pixman_f_transform_scale(&ft, NULL, -1, 1);
 484                 pixman_f_transform_translate(&ft, NULL, dstpos->w, 0);
 485         }
 486
 487         rotate_step = transform & 0x3;
 488         if (rotate_step > 0) {
 489                 int c, s, tx = 0, ty = 0;
 490                 switch (rotate_step) {
 491                 case 1:
 492                         c = 0, s = -1, tx = -dstpos->w;
 493                         break;
 494                 case 2:
 495                         c = -1, s = 0, tx = -dstpos->w, ty = -dstpos->h;
 496                         break;
 497                 case 3:
 498                         c = 0, s = 1, ty = -dstpos->h;
 499                         break;
 500                 }
 501                 pixman_f_transform_translate(&ft, NULL, tx, ty);
 502                 pixman_f_transform_rotate(&ft, NULL, c, s);
 503         }
 504
 505         if (rotate_step % 2 == 0) {
 506                 scale_x = (double)srcpos->w / dstpos->w;
 507                 scale_y = (double)srcpos->h / dstpos->h;
 508         } else {
 509                 scale_x = (double)srcpos->w / dstpos->h;
 510                 scale_y = (double)srcpos->h / dstpos->w;
 511         }
 512
 513         pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
 514         pixman_f_transform_translate(&ft, NULL, srcpos->x, srcpos->y);
 515         pixman_transform_from_pixman_f_transform(&t, &ft);
 516         pixman_image_set_transform(src_img, &t);
 517
 518         op = (!over) ? PIXMAN_OP_SRC : PIXMAN_OP_OVER;
 519
 520         pixman_image_composite(op, src_img, NULL, dst_img, 0, 0, 0, 0,
 521                                                    dstpos->x, dstpos->y, dstpos->w, dstpos->h);
 522
 523         ret = TDM_ERROR_NONE;
 524
 525 unref_img:
 526         if (src_img)
 527                 pixman_image_unref(src_img);
 528         if (dst_img)
 529                 pixman_image_unref(dst_img);
 530 unmap_dstbuf:
 531         tbm_surface_unmap(dstbuf);
 532 unmap_srcbuf:
 533         tbm_surface_unmap(srcbuf);
 534
 535         return ret;
 536 }
 537
 538 EXTERN int
 539 tdm_helper_get_fd(const char *env)
 540 {
 541         const char *value;
 542         int fd, newfd, flags, ret;
 543         char *end;
 544         errno = 0;
 545
 546         value = (const char*)getenv(env);
 547         if (!value)
 548                 return -1;
 549
 550         const long sl = strtol(value, &end, 10);
 551         if (end == value) {
 552                 TDM_ERR("%s: not a decimal number\n", value);
 553                 return -1;
 554         } else if (*end != '\0') {
 555                 TDM_ERR("%s: extra characters at end of input: %s\n", value, end);
 556                 return -1;
 557         } else if ((sl == LONG_MIN || sl == LONG_MAX) && errno == ERANGE) {
 558                 TDM_ERR("%s out of range of type long\n", value);
 559                 return -1;
 560         } else if (sl > INT_MAX) {
 561                 TDM_ERR("%ld greater than INT_MAX\n", sl);
 562                 return -1;
 563         } else if (sl < INT_MIN) {
 564                 TDM_ERR("%ld less than INT_MIN\n", sl);
 565                 return -1;
 566         } else {
 567                 fd = (int)sl;
 568                 if (fd < 0) {
 569                         TDM_ERR("%d out of fd range\n", fd);
 570                         return -1;
 571                 }
 572         }
 573
 574         flags = fcntl(fd, F_GETFD);
 575         if (flags == -1) {
 576                 TDM_ERR("fcntl failed: %m");
 577                 return -1;
 578         }
 579
 580         newfd = dup(fd);
 581         if (newfd < 0) {
 582                 TDM_ERR("dup failed: %m");
 583                 return -1;
 584         }
 585
 586         TDM_INFO("%s: fd(%d) newfd(%d)", env, fd, newfd);
 587
 588         ret = fcntl(newfd, F_SETFD, flags | FD_CLOEXEC);
 589         if (ret == -1) {
 590                 TDM_ERR("fcntl failed: %m");
 591                 close(newfd);
 592                 return -1;
 593         }
 594
 595         return newfd;
 596 }
 597
 598 EXTERN void
 599 tdm_helper_set_fd(const char *env, int fd)
 600 {
 601         char buf[32];
 602         int ret;
 603
 604         snprintf(buf, sizeof(buf), "%d", fd);
 605
 606         ret = setenv(env, (const char*)buf, 1);
 607         if (ret) {
 608                 TDM_ERR("setenv failed: %m");
 609                 return;
 610         }
 611
 612         if (fd >= 0)
 613                 TDM_INFO("%s: fd(%d)", env, fd);
 614 }
 615
 616 EXTERN void
 617 tdm_helper_dump_start(char *dumppath, int *count)
 618 {
 619         if (dumppath == NULL || count == NULL) {
 620                 TDM_DBG("tdm_helper_dump dumppath or count is null.");
 621                 return;
 622         }
 623
 624         tdm_dump_enable = 1;
 625
 626         TDM_DBG("tdm_helper_dump start.(path : %s)", dumppath);
 627 }
 628
 629 EXTERN void
 630 tdm_helper_dump_stop(void)
 631 {
 632         tdm_dump_enable = 0;
 633
 634         TDM_DBG("tdm_helper_dump stop.");
 635 }
 636
 637 static tdm_error
 638 _tdm_helper_buffer_convert(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
 639                                                    int dx, int dy, int dw, int dh, int count)
 640 {
 641         pixman_image_t *src_img = NULL, *dst_img = NULL;
 642         pixman_format_code_t src_format, dst_format;
 643         pixman_transform_t t;
 644         struct pixman_f_transform ft;
 645         pixman_op_t op;
 646         tbm_surface_info_s src_info = {0, };
 647         tbm_surface_info_s dst_info = {0, };
 648         int stride, width;
 649         double scale_x, scale_y;
 650
 651         TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 652         TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 653
 654         if (tbm_surface_map(srcbuf, TBM_SURF_OPTION_READ, &src_info) != TBM_SURFACE_ERROR_NONE) {
 655                 TDM_ERR("cannot mmap srcbuf\n");
 656                 return TDM_ERROR_OPERATION_FAILED;
 657         }
 658
 659         if (tbm_surface_map(dstbuf, TBM_SURF_OPTION_WRITE, &dst_info) != TBM_SURFACE_ERROR_NONE) {
 660                 TDM_ERR("cannot mmap dstbuf\n");
 661                 tbm_surface_unmap(srcbuf);
 662                 return TDM_ERROR_OPERATION_FAILED;
 663         }
 664         TDM_GOTO_IF_FAIL(src_info.num_planes == 1, cant_convert);
 665         TDM_GOTO_IF_FAIL(dst_info.num_planes == 1, cant_convert);
 666
 667         /* src */
 668         src_format = _tdm_helper_pixman_format_get(src_info.format);
 669         TDM_GOTO_IF_FAIL(src_format > 0, cant_convert);
 670
 671         width = src_info.planes[0].stride / 4;
 672         stride = src_info.planes[0].stride;
 673         src_img = pixman_image_create_bits(src_format, width, src_info.height,
 674                                                                            (uint32_t*)src_info.planes[0].ptr, stride);
 675         TDM_GOTO_IF_FAIL(src_img != NULL, cant_convert);
 676
 677         /* dst */
 678         dst_format = _tdm_helper_pixman_format_get(dst_info.format);
 679         TDM_GOTO_IF_FAIL(dst_format > 0, cant_convert);
 680
 681         width = dst_info.planes[0].stride / 4;
 682         stride = dst_info.planes[0].stride;
 683         dst_img = pixman_image_create_bits(dst_format, width, dst_info.height,
 684                                                                            (uint32_t*)dst_info.planes[0].ptr, stride);
 685         TDM_GOTO_IF_FAIL(dst_img != NULL, cant_convert);
 686
 687         pixman_f_transform_init_identity(&ft);
 688
 689         scale_x = (double)src_info.width / dw;
 690         scale_y = (double)src_info.height / dh;
 691
 692         pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
 693         pixman_f_transform_translate(&ft, NULL, 0, 0);
 694         pixman_transform_from_pixman_f_transform(&t, &ft);
 695         pixman_image_set_transform(src_img, &t);
 696
 697         if (count == 0)
 698                 op = PIXMAN_OP_SRC;
 699         else
 700                 op = PIXMAN_OP_OVER;
 701
 702         pixman_image_composite(op, src_img, NULL, dst_img,
 703                                                    0, 0, 0, 0, dx, dy, dw, dh);
 704
 705         if (src_img)
 706                 pixman_image_unref(src_img);
 707         if (dst_img)
 708                 pixman_image_unref(dst_img);
 709
 710         tbm_surface_unmap(srcbuf);
 711         tbm_surface_unmap(dstbuf);
 712
 713         return TDM_ERROR_NONE;
 714
 715 cant_convert:
 716         if (src_img)
 717                 pixman_image_unref(src_img);
 718
 719         tbm_surface_unmap(srcbuf);
 720         tbm_surface_unmap(dstbuf);
 721
 722         return TDM_ERROR_OPERATION_FAILED;
 723 }
 724
 725 EXTERN tdm_error
 726 tdm_helper_capture_output(tdm_output *output, tbm_surface_h dst_buffer,
 727                                                   int x, int y, int w, int h,
 728                                                   tdm_helper_capture_handler func, void *data)
 729 {
 730         tbm_surface_h surface;
 731         tdm_error err;
 732         int i, count, first = 0;
 733
 734         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 735         TDM_RETURN_VAL_IF_FAIL(dst_buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 736         TDM_RETURN_VAL_IF_FAIL(x >= 0, TDM_ERROR_INVALID_PARAMETER);
 737         TDM_RETURN_VAL_IF_FAIL(y >= 0, TDM_ERROR_INVALID_PARAMETER);
 738         TDM_RETURN_VAL_IF_FAIL(w >= 0, TDM_ERROR_INVALID_PARAMETER);
 739         TDM_RETURN_VAL_IF_FAIL(h >= 0, TDM_ERROR_INVALID_PARAMETER);
 740         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 741         TDM_RETURN_VAL_IF_FAIL(data != NULL, TDM_ERROR_INVALID_PARAMETER);
 742
 743         err = tdm_output_get_layer_count(output, &count);
 744         if (err != TDM_ERROR_NONE) {
 745                 TDM_ERR("tdm_output_get_layer_count fail(%d)\n", err);
 746                 return TDM_ERROR_OPERATION_FAILED;
 747         }
 748         if (count <= 0) {
 749                 TDM_ERR("tdm_output_get_layer_count err(%d, %d)\n", err, count);
 750                 return TDM_ERROR_BAD_MODULE;
 751         }
 752
 753         for (i = count - 1; i >= 0; i--) {
 754                 tdm_layer *layer = tdm_output_get_layer(output, i, NULL);
 755
 756                 surface = tdm_layer_get_displaying_buffer(layer, &err);
 757                 if (err != TDM_ERROR_NONE)
 758                         continue;
 759
 760                 err = _tdm_helper_buffer_convert(surface, dst_buffer, x, y, w, h, first++);
 761                 if (err != TDM_ERROR_NONE)
 762                         TDM_DBG("convert fail %d-layer buffer\n", i);
 763                 else
 764                         TDM_DBG("convert success %d-layer buffer\n", i);
 765         }
 766
 767         func(dst_buffer, data);
 768
 769         return TDM_ERROR_NONE;
 770 }
 771
 772 EXTERN void
 773 tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len)
 774 {
 775         tdm_private_display *private_display;
 776         tdm_backend_module *module_data;
 777         tdm_func_output *func_output;
 778         tdm_func_layer *func_layer;
 779         tdm_private_output *private_output = NULL;
 780         tdm_private_layer *private_layer = NULL;
 781         tdm_private_pp *private_pp = NULL;
 782         tdm_private_capture *private_capture = NULL;
 783         tdm_error ret;
 784         int i;
 785
 786         TDM_DBG_RETURN_IF_FAIL(dpy != NULL);
 787
 788         private_display = dpy;
 789         func_output = &private_display->func_output;
 790         func_layer = &private_display->func_layer;
 791         _pthread_mutex_lock(&private_display->lock);
 792
 793         /* module information */
 794         module_data = private_display->module_data;
 795         TDM_SNPRINTF(reply, len, "[TDM backend information]\n");
 796         TDM_SNPRINTF(reply, len, "name: %s\n", module_data->name);
 797         TDM_SNPRINTF(reply, len, "vendor: %s\n", module_data->vendor);
 798         TDM_SNPRINTF(reply, len, "version: %d.%d\n\n",
 799                                  (int)TDM_BACKEND_GET_ABI_MAJOR(module_data->abi_version),
 800                                  (int)TDM_BACKEND_GET_ABI_MINOR(module_data->abi_version));
 801
 802         /* output information */
 803         TDM_SNPRINTF(reply, len, "[Output information]\n");
 804         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 805         TDM_SNPRINTF(reply, len, "idx   maker   model   name   type   status   dpms   subpixel   align_w   min   max   phy(mm)\n");
 806         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 807         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
 808                 TDM_SNPRINTF(reply, len, "%d   %s   %s   %s   %s   %s   %s   %u   %d   %dx%d   %dx%d   %ux%u\n",
 809                                          private_output->index, private_output->caps.maker,
 810                                          private_output->caps.model, private_output->caps.name,
 811                                          tdm_conn_str(private_output->caps.type),
 812                                          tdm_status_str(private_output->caps.status),
 813                                          tdm_dpms_str(private_output->current_dpms_value),
 814                                          private_output->caps.subpixel,
 815                                          TDM_FRONT_VALUE(private_output->caps.preferred_align),
 816                                          TDM_FRONT_VALUE(private_output->caps.min_w),
 817                                          TDM_FRONT_VALUE(private_output->caps.min_h),
 818                                          TDM_FRONT_VALUE(private_output->caps.max_w),
 819                                          TDM_FRONT_VALUE(private_output->caps.max_h),
 820                                          private_output->caps.mmWidth, private_output->caps.mmHeight);
 821
 822                 TDM_SNPRINTF(reply, len, "\t%u modes:\n", private_output->caps.mode_count);
 823
 824                 if (private_output->caps.mode_count > 0) {
 825                         const tdm_output_mode *current_mode = NULL;
 826
 827                         TDM_DBG_GOTO_IF_FAIL(func_output->output_get_mode, unlock);
 828                         ret = func_output->output_get_mode(private_output->output_backend, &current_mode);
 829                         TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 830
 831                         TDM_SNPRINTF(reply, len, "\t\t name refresh (Hz) clk hdisp hss hse htot vdisp vss vse vtot vscan\n");
 832                         for (i = 0; i < private_output->caps.mode_count; i++) {
 833                                 char *current = (current_mode == private_output->caps.modes + i) ? "*" : " ";
 834                                 TDM_SNPRINTF(reply, len, "\t\t%s%s %u %u %u %u %u %u %u %u %u %u %u ",
 835                                                          current,
 836                                                          private_output->caps.modes[i].name,
 837                                                          private_output->caps.modes[i].vrefresh,
 838                                                          private_output->caps.modes[i].clock,
 839                                                          private_output->caps.modes[i].hdisplay,
 840                                                          private_output->caps.modes[i].hsync_start,
 841                                                          private_output->caps.modes[i].hsync_end,
 842                                                          private_output->caps.modes[i].htotal,
 843                                                          private_output->caps.modes[i].vdisplay,
 844                                                          private_output->caps.modes[i].vsync_start,
 845                                                          private_output->caps.modes[i].vsync_end,
 846                                                          private_output->caps.modes[i].vtotal,
 847                                                          private_output->caps.modes[i].vscan);
 848                                 tdm_mode_flag_str(private_output->caps.modes[i].flags, &reply, len);
 849                                 TDM_SNPRINTF(reply, len, " ");
 850                                 tdm_mode_type_str(private_output->caps.modes[i].type, &reply, len);
 851                                 TDM_SNPRINTF(reply, len, "\n");
 852                         }
 853                 }
 854
 855                 TDM_SNPRINTF(reply, len, "\t%d properties:\n", private_output->caps.prop_count);
 856                 if (private_output->caps.prop_count > 0) {
 857                         TDM_SNPRINTF(reply, len, "\t\tname\tidx\tvalue\n");
 858                         for (i = 0; i < private_output->caps.prop_count; i++) {
 859                                 tdm_value value;
 860                                 TDM_DBG_GOTO_IF_FAIL(func_output->output_get_property, unlock);
 861                                 ret = func_output->output_get_property(private_output->output_backend,
 862                                                                                                            private_output->caps.props[i].id,
 863                                                                                                            &value);
 864                                 TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 865                                 TDM_SNPRINTF(reply, len, "\t\t%s\t%u\t%u\n",
 866                                                          private_output->caps.props[i].name,
 867                                                          private_output->caps.props[i].id,
 868                                                          value.u32);
 869                         }
 870                 }
 871         }
 872         TDM_SNPRINTF(reply, len, "\n");
 873
 874         /* layer information */
 875         TDM_SNPRINTF(reply, len, "[Layer information]\n");
 876         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 877         TDM_SNPRINTF(reply, len, "idx   output   zpos   buf   format   size   crop   geometry   transform\n");
 878         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 879         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
 880                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 881                         if (!private_layer->usable) {
 882                                 tdm_info_layer info;
 883                                 unsigned int format;
 884                                 tdm_size size;
 885                                 tbm_surface_info_s buf_info;
 886
 887                                 TDM_DBG_GOTO_IF_FAIL(func_layer->layer_get_info, unlock);
 888                                 memset(&info, 0, sizeof info);
 889                                 ret = func_layer->layer_get_info(private_layer->layer_backend, &info);
 890                                 TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 891
 892                                 if (!private_layer->showing_buffer)
 893                                         continue;
 894
 895                                 format = tbm_surface_get_format(private_layer->showing_buffer->buffer);
 896                                 tbm_surface_get_info(private_layer->showing_buffer->buffer, &buf_info);
 897
 898                                 if (IS_RGB(format))
 899                                         size.h = buf_info.planes[0].stride >> 2;
 900                                 else
 901                                         size.h = buf_info.planes[0].stride;
 902                                 size.v = tbm_surface_get_height(private_layer->showing_buffer->buffer);
 903
 904                                 if (info.src_config.format)
 905                                         format = (info.src_config.format) ? : format;
 906
 907                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   %p   %c%c%c%c   %ux%u   %ux%u+%u+%u   %ux%u+%u+%u   %s\n",
 908                                                          private_layer->index,
 909                                                          private_output->index,
 910                                                          private_layer->caps.zpos,
 911                                                          private_layer->showing_buffer->buffer, FOURCC_STR(format), size.h, size.v,
 912                                                          info.src_config.pos.w, info.src_config.pos.h, info.src_config.pos.x, info.src_config.pos.y,
 913                                                          info.dst_pos.w, info.dst_pos.h, info.dst_pos.x, info.dst_pos.y,
 914                                                          tdm_transform_str(info.transform));
 915                         } else {
 916                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   -\n",
 917                                                          private_layer->index,
 918                                                          private_output->index,
 919                                                          private_layer->caps.zpos);
 920                         }
 921
 922                         TDM_SNPRINTF(reply, len, "\tcaps\t: ");
 923                         tdm_layer_caps_str(private_layer->caps.capabilities, &reply, len);
 924                         TDM_SNPRINTF(reply, len, "\n");
 925
 926                         TDM_SNPRINTF(reply, len, "\tformats\t: ");
 927                         if (private_layer->caps.format_count > 0) {
 928                                 const char *sep = "";
 929                                 for (i = 0; i < private_layer->caps.format_count; i++) {
 930                                         if (private_layer->caps.formats[i] == 0)
 931                                                 continue;
 932                                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_layer->caps.formats[i]));
 933                                         sep = ",";
 934                                 }
 935                                 TDM_SNPRINTF(reply, len, "\n");
 936                         }
 937
 938                         TDM_SNPRINTF(reply, len, "\t%u properties:\n", private_layer->caps.prop_count);
 939                         if (private_layer->caps.prop_count > 0) {
 940                                 TDM_SNPRINTF(reply, len, "\t\tname\tidx\tvalue\n");
 941                                 for (i = 0; i < private_layer->caps.prop_count; i++) {
 942                                         tdm_value value;
 943                                         TDM_DBG_GOTO_IF_FAIL(func_layer->layer_get_property, unlock);
 944                                         ret = func_layer->layer_get_property(private_layer->layer_backend,
 945                                                                                                                  private_layer->caps.props[i].id,
 946                                                                                                                  &value);
 947                                         TDM_DBG_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, unlock);
 948                                         TDM_SNPRINTF(reply, len, "\t\t%s\t%u\t%u\n",
 949                                                                  private_layer->caps.props[i].name,
 950                                                                  private_layer->caps.props[i].id,
 951                                                                  value.u32);
 952                                 }
 953                         }
 954                 }
 955         }
 956         TDM_SNPRINTF(reply, len, "\n");
 957
 958         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 959                 const char *sep = "";
 960                 TDM_SNPRINTF(reply, len, "[PP information]\n");
 961                 TDM_SNPRINTF(reply, len, "caps\t: ");
 962                 tdm_pp_caps_str(private_display->caps_pp.capabilities, &reply, len);
 963                 TDM_SNPRINTF(reply, len, "\n");
 964                 TDM_SNPRINTF(reply, len, "formats\t: ");
 965                 for (i = 0; i < private_display->caps_pp.format_count; i++) {
 966                         if (private_display->caps_pp.formats[i] == 0)
 967                                 continue;
 968                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_display->caps_pp.formats[i]));
 969                         sep = ",";
 970                 }
 971                 TDM_SNPRINTF(reply, len, "\n");
 972                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
 973                                          TDM_FRONT_VALUE(private_display->caps_pp.min_w),
 974                                          TDM_FRONT_VALUE(private_display->caps_pp.min_h),
 975                                          TDM_FRONT_VALUE(private_display->caps_pp.max_w),
 976                                          TDM_FRONT_VALUE(private_display->caps_pp.max_h),
 977                                          TDM_FRONT_VALUE(private_display->caps_pp.preferred_align));
 978                 if (!LIST_IS_EMPTY(&private_display->pp_list)) {
 979                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
 980                         TDM_SNPRINTF(reply, len, "src(format size crop)  |  dst(format size crop)  |  transform\n");
 981                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
 982                         LIST_FOR_EACH_ENTRY(private_pp, &private_display->pp_list, link) {
 983                                 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",
 984                                                          FOURCC_STR(private_pp->info.src_config.format),
 985                                                          private_pp->info.src_config.size.h,
 986                                                          private_pp->info.src_config.size.v,
 987                                                          private_pp->info.src_config.pos.x, private_pp->info.src_config.pos.y,
 988                                                          private_pp->info.src_config.pos.w, private_pp->info.src_config.pos.h,
 989                                                          FOURCC_STR(private_pp->info.dst_config.format),
 990                                                          private_pp->info.dst_config.size.h,
 991                                                          private_pp->info.dst_config.size.v,
 992                                                          private_pp->info.dst_config.pos.x, private_pp->info.dst_config.pos.y,
 993                                                          private_pp->info.dst_config.pos.w, private_pp->info.dst_config.pos.h,
 994                                                          tdm_transform_str(private_pp->info.transform));
 995                         }
 996                 }
 997         } else {
 998                 TDM_SNPRINTF(reply, len, "[No PP capability]\n");
 999         }
1000         TDM_SNPRINTF(reply, len, "\n");
1001
1002         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
1003                 const char *sep = "";
1004                 TDM_SNPRINTF(reply, len, "[Capture information]\n");
1005                 TDM_SNPRINTF(reply, len, "caps\t: ");
1006                 tdm_capture_caps_str(private_display->caps_capture.capabilities, &reply, len);
1007                 TDM_SNPRINTF(reply, len, "\n");
1008                 TDM_SNPRINTF(reply, len, "formats\t: ");
1009                 for (i = 0; i < private_display->caps_capture.format_count; i++) {
1010                         if (private_display->caps_capture.formats[i] == 0)
1011                                 continue;
1012                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_display->caps_capture.formats[i]));
1013                         sep = ",";
1014                 }
1015                 TDM_SNPRINTF(reply, len, "\n");
1016                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
1017                                          TDM_FRONT_VALUE(private_display->caps_capture.min_w),
1018                                          TDM_FRONT_VALUE(private_display->caps_capture.min_h),
1019                                          TDM_FRONT_VALUE(private_display->caps_capture.max_w),
1020                                          TDM_FRONT_VALUE(private_display->caps_capture.max_h),
1021                                          TDM_FRONT_VALUE(private_display->caps_capture.preferred_align));
1022                 if (!LIST_IS_EMPTY(&private_display->capture_list)) {
1023                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
1024                         TDM_SNPRINTF(reply, len, "dst(format size crop)  |  transform\n");
1025                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
1026                         LIST_FOR_EACH_ENTRY(private_capture, &private_display->capture_list, link) {
1027                                 TDM_SNPRINTF(reply, len, "%c%c%c%c %ux%u %ux%u+%u+%u | %s\n",
1028                                                          FOURCC_STR(private_capture->info.dst_config.format),
1029                                                          private_capture->info.dst_config.size.h,
1030                                                          private_capture->info.dst_config.size.v,
1031                                                          private_capture->info.dst_config.pos.x, private_capture->info.dst_config.pos.y,
1032                                                          private_capture->info.dst_config.pos.w, private_capture->info.dst_config.pos.h,
1033                                                          tdm_transform_str(private_capture->info.transform));
1034                         }
1035                 }
1036         } else {
1037                 TDM_SNPRINTF(reply, len, "[No Capture capability]\n");
1038         }
1039         TDM_SNPRINTF(reply, len, "\n");
1040
1041 unlock:
1042         _pthread_mutex_unlock(&private_display->lock);
1043 }
1044
1045 EXTERN int
1046 tdm_helper_commit_per_vblank_enabled(tdm_display *dpy)
1047 {
1048         tdm_private_display *private_display;
1049
1050         TDM_RETURN_VAL_IF_FAIL(dpy != NULL, 0);
1051
1052         private_display = dpy;
1053
1054         return private_display->commit_per_vblank;
1055 }
1056