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 <tbm_drm_helper.h>
  45 #include <string.h>
  46 #include <time.h>
  47 #include <pixman.h>
  48 #include <inttypes.h>
  49
  50 #include "tdm.h"
  51 #include "tdm_private.h"
  52 #include "tdm_helper.h"
  53
  54 #define PNG_DEPTH 8
  55
  56 static const char *file_exts[2] = {"png", "yuv"};
  57
  58 int tdm_dump_enable;
  59 char *tdm_debug_dump_dir;
  60
  61 EXTERN double
  62 tdm_helper_get_time(void)
  63 {
  64         struct timespec tp;
  65
  66         if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
  67                 return (double)tp.tv_sec + ((double)tp.tv_nsec) / 1000000000.0;
  68
  69         return 0;
  70 }
  71
  72 static int
  73 _tdm_helper_check_file_is_valid(const char* path, int del_link)
  74 {
  75         char *real_path;
  76
  77         if (!path)
  78                 return 0;
  79
  80         real_path = realpath(path, NULL);
  81         if (real_path && strncmp(path, real_path, strlen(path))) {
  82                 if (del_link)
  83                         unlink(path);
  84                 free(real_path);
  85
  86                 return 0;
  87         }
  88
  89         if (real_path)
  90                 free(real_path);
  91
  92         return 1;
  93 }
  94
  95 static void
  96 _tdm_helper_dump_raw(const char *file, void *data1, int size1, void *data2,
  97                                          int size2, void *data3, int size3)
  98 {
  99         unsigned int *blocks;
 100         FILE *fp;
 101
 102         if (!_tdm_helper_check_file_is_valid(file, 1))
 103                 TDM_WRN("'%s' may be symbolic link\n", file);
 104
 105         fp = fopen(file, "w+");
 106         TDM_RETURN_IF_FAIL(fp != NULL);
 107
 108         blocks = (unsigned int *)data1;
 109         fwrite(blocks, 1, size1, fp);
 110
 111         if (size2 > 0) {
 112                 blocks = (unsigned int *)data2;
 113                 fwrite(blocks, 1, size2, fp);
 114         }
 115
 116         if (size3 > 0) {
 117                 blocks = (unsigned int *)data3;
 118                 fwrite(blocks, 1, size3, fp);
 119         }
 120
 121         fclose(fp);
 122 }
 123
 124 static void
 125 _tdm_helper_dump_png(const char *file, const void *data, int width,
 126                                          int height)
 127 {
 128         FILE *fp;
 129
 130         if (!_tdm_helper_check_file_is_valid(file, 1))
 131                 TDM_WRN("'%s' may be symbolic link\n", file);
 132
 133         fp = fopen(file, "wb");
 134         TDM_RETURN_IF_FAIL(fp != NULL);
 135
 136         png_structp pPngStruct =
 137                 png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
 138         if (!pPngStruct) {
 139                 fclose(fp);
 140                 return;
 141         }
 142
 143         png_infop pPngInfo = png_create_info_struct(pPngStruct);
 144         if (!pPngInfo) {
 145                 png_destroy_write_struct(&pPngStruct, NULL);
 146                 fclose(fp);
 147                 return;
 148         }
 149
 150         png_init_io(pPngStruct, fp);
 151         png_set_IHDR(pPngStruct,
 152                                  pPngInfo,
 153                                  width,
 154                                  height,
 155                                  PNG_DEPTH,
 156                                  PNG_COLOR_TYPE_RGBA,
 157                                  PNG_INTERLACE_NONE,
 158                                  PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
 159
 160         png_set_bgr(pPngStruct);
 161         png_write_info(pPngStruct, pPngInfo);
 162
 163         const int pixel_size = 4;       // RGBA
 164         png_bytep *row_pointers =
 165                 png_malloc(pPngStruct, height * sizeof(png_byte *));
 166         if (!row_pointers) {
 167                 png_destroy_write_struct(&pPngStruct, &pPngInfo);
 168                 fclose(fp);
 169                 return;
 170         }
 171
 172         unsigned int *blocks = (unsigned int *)data;
 173         int y = 0;
 174         int x = 0;
 175
 176         for (; y < height; ++y) {
 177                 png_bytep row =
 178                         png_malloc(pPngStruct, sizeof(png_byte) * width * pixel_size);
 179                 if (!row) {
 180                         for (x = 0; x < y; x++)
 181                                 png_free(pPngStruct, row_pointers[x]);
 182                         png_free(pPngStruct, row_pointers);
 183                         png_destroy_write_struct(&pPngStruct, &pPngInfo);
 184                         fclose(fp);
 185                         return;
 186                 }
 187
 188                 row_pointers[y] = (png_bytep)row;
 189                 for (x = 0; x < width; ++x) {
 190                         unsigned int curBlock = blocks[y * width + x];
 191                         row[x * pixel_size] = (curBlock & 0xFF);
 192                         row[1 + x * pixel_size] = (curBlock >> 8) & 0xFF;
 193                         row[2 + x * pixel_size] = (curBlock >> 16) & 0xFF;
 194                         row[3 + x * pixel_size] = (curBlock >> 24) & 0xFF;
 195                 }
 196         }
 197
 198         png_write_image(pPngStruct, row_pointers);
 199         png_write_end(pPngStruct, pPngInfo);
 200
 201         for (y = 0; y < height; y++)
 202                 png_free(pPngStruct, row_pointers[y]);
 203         png_free(pPngStruct, row_pointers);
 204
 205         png_destroy_write_struct(&pPngStruct, &pPngInfo);
 206
 207         fclose(fp);
 208 }
 209
 210 INTERN char *
 211 tdm_helper_dump_make_directory(const char *path, char *reply, int *len)
 212 {
 213         char *fullpath = NULL;
 214         time_t timer;
 215         struct tm *t, *buf = NULL;
 216
 217         timer = time(NULL);
 218
 219         buf = calloc(1, sizeof(struct tm));
 220         TDM_GOTO_IF_FAIL(buf != NULL, failed_make);
 221
 222         fullpath = calloc(1, TDM_PATH_LEN * sizeof(char));
 223         TDM_GOTO_IF_FAIL(fullpath != NULL, failed_make);
 224
 225         t = localtime_r(&timer, buf);
 226         TDM_GOTO_IF_FAIL(t != NULL, failed_make);
 227
 228         snprintf(fullpath, TDM_PATH_LEN, "%s/dump_%04d%02d%02d.%02d%02d%02d", path,
 229                          t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
 230
 231         if ((mkdir(fullpath, 0755)) < 0) {
 232                 TDM_ERR("mkdir '%s' fail\n", fullpath);
 233                 TDM_SNPRINTF(reply, len, "mkdir '%s' fail\n", fullpath);
 234                 goto failed_make;
 235         }
 236
 237         free(buf);
 238
 239         return fullpath;
 240 failed_make:
 241         if (fullpath)
 242                 free(fullpath);
 243         if (buf)
 244                 free(buf);
 245         return NULL;
 246 }
 247
 248 INTERN void
 249 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str)
 250 {
 251         tbm_surface_info_s info;
 252         const char *ext;
 253         char file[TDM_PATH_LEN];
 254         int ret, bw, bh;
 255
 256         TDM_RETURN_IF_FAIL(buffer != NULL);
 257         TDM_RETURN_IF_FAIL(dir != NULL);
 258         TDM_RETURN_IF_FAIL(str != NULL);
 259
 260         ret = tbm_surface_get_info(buffer, &info);
 261         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 262
 263         if (IS_RGB(info.format))
 264                 ext = file_exts[0];
 265         else
 266                 ext = file_exts[1];
 267
 268         tdm_helper_get_buffer_full_size(buffer, &bw, &bh);
 269
 270         snprintf(file, TDM_PATH_LEN, "%s/%c%c%c%c_%dx%d_%dx%d_%s.%s",
 271                          dir, FOURCC_STR(info.format), bw, bh, info.width, info.height, str, ext);
 272
 273         tdm_helper_dump_buffer(buffer, file);
 274 }
 275
 276 EXTERN void
 277 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file)
 278 {
 279         tbm_surface_info_s info;
 280         int len, ret;
 281         const char *ext;
 282         int bo_cnt;
 283         int bw, bh;
 284
 285         TDM_RETURN_IF_FAIL(buffer != NULL);
 286         TDM_RETURN_IF_FAIL(file != NULL);
 287
 288         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 289         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 290
 291         len = strnlen(file, 1024);
 292         if (IS_RGB(info.format))
 293                 ext = file_exts[0];
 294         else
 295                 ext = file_exts[1];
 296
 297         if (strncmp(file + (len - 3), ext, 3)) {
 298                 TDM_ERR("can't dump to '%s' file", file + (len - 3));
 299                 tbm_surface_unmap(buffer);
 300                 return;
 301         }
 302
 303         tdm_helper_get_buffer_full_size(buffer, &bw, &bh);
 304
 305         bo_cnt = tbm_surface_internal_get_num_bos(buffer);
 306         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)",
 307                         bo_cnt, bw, bh, info.width, info.height, FOURCC_STR(info.format),
 308                         info.planes[0].ptr, info.planes[0].offset, info.planes[0].stride, info.planes[0].size,
 309                         info.planes[1].ptr, info.planes[1].offset, info.planes[1].stride, info.planes[1].size,
 310                         info.planes[2].ptr, info.planes[2].offset, info.planes[2].stride, info.planes[2].size);
 311
 312         switch (info.format) {
 313         case TBM_FORMAT_ARGB8888:
 314         case TBM_FORMAT_XRGB8888:
 315                 _tdm_helper_dump_png(file, info.planes[0].ptr, bw, bh);
 316                 break;
 317         case TBM_FORMAT_YVU420:
 318         case TBM_FORMAT_YUV420:
 319                 _tdm_helper_dump_raw(file,
 320                                                          info.planes[0].ptr,
 321                                                          info.planes[0].size,
 322                                                          info.planes[1].ptr,
 323                                                          info.planes[1].size,
 324                                                          info.planes[2].ptr,
 325                                                          info.planes[2].size);
 326                 break;
 327         case TBM_FORMAT_NV12:
 328         case TBM_FORMAT_NV21:
 329                 _tdm_helper_dump_raw(file,
 330                                                          info.planes[0].ptr,
 331                                                          info.planes[0].size,
 332                                                          info.planes[1].ptr,
 333                                                          info.planes[1].size, NULL,
 334                                                          0);
 335                 break;
 336         case TBM_FORMAT_YUYV:
 337         case TBM_FORMAT_UYVY:
 338                 _tdm_helper_dump_raw(file,
 339                                                          info.planes[0].ptr,
 340                                                          info.planes[0].size, NULL, 0,
 341                                                          NULL, 0);
 342                 break;
 343         default:
 344                 TDM_ERR("can't dump %c%c%c%c buffer", FOURCC_STR(info.format));
 345                 tbm_surface_unmap(buffer);
 346                 return;
 347         }
 348
 349         tbm_surface_unmap(buffer);
 350
 351         TDM_INFO("dump %s", file);
 352 }
 353
 354 EXTERN void
 355 tdm_helper_clear_buffer_color(tbm_surface_h buffer, tdm_pos *pos, unsigned int color)
 356 {
 357         tbm_surface_info_s info;
 358         int ret;
 359
 360         TDM_RETURN_IF_FAIL(buffer != NULL);
 361
 362         ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
 363         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 364
 365         switch (info.format) {
 366         case TBM_FORMAT_ARGB8888:
 367         case TBM_FORMAT_XRGB8888:
 368                 if (!pos) {
 369                         memset(info.planes[0].ptr, 0, info.planes[0].stride * info.height);
 370                 } else {
 371                         unsigned char *p;
 372                         int x, y;
 373                         for (y = pos->y; y <= (pos->y + pos->h); y++) {
 374                                 p = info.planes[0].ptr + info.planes[0].stride * y;
 375                                 for (x = pos->x; x <= (pos->x + pos->w); x++) {
 376                                         unsigned int *ibuf = (unsigned int*)p;
 377                                         ibuf[x] = color;
 378                                 }
 379                         }
 380                 }
 381                 break;
 382         case TBM_FORMAT_YVU420:
 383         case TBM_FORMAT_YUV420:
 384                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 385                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 386                 memset((char*)info.planes[2].ptr, 0x80, info.planes[2].stride * (info.height >> 1));
 387                 break;
 388         case TBM_FORMAT_NV12:
 389         case TBM_FORMAT_NV21:
 390                 memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
 391                 memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
 392                 break;
 393         case TBM_FORMAT_YUYV: {
 394                 int *ibuf = (int*)info.planes[0].ptr;
 395                 int i, size = info.planes[0].stride * info.height / 4;
 396
 397                 for (i = 0 ; i < size ; i++)
 398                         ibuf[i] = 0x10801080;
 399         }
 400         break;
 401         case TBM_FORMAT_UYVY: {
 402                 int *ibuf = (int*)info.planes[0].ptr;
 403                 int i, size = info.planes[0].stride * info.height / 4;
 404
 405                 for (i = 0 ; i < size ; i++)
 406                         ibuf[i] = 0x80108010; /* YUYV -> 0xVYUY */
 407         }
 408         break;
 409         default:
 410                 TDM_ERR("can't clear %c%c%c%c buffer", FOURCC_STR(info.format));
 411                 break;
 412         }
 413
 414         tbm_surface_unmap(buffer);
 415 }
 416
 417 EXTERN void
 418 tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos)
 419 {
 420         TDM_RETURN_IF_FAIL(buffer != NULL);
 421
 422         tdm_helper_clear_buffer_color(buffer, pos, 0);
 423 }
 424
 425 EXTERN void
 426 tdm_helper_clear_buffer(tbm_surface_h buffer)
 427 {
 428         TDM_RETURN_IF_FAIL(buffer != NULL);
 429
 430         tdm_helper_clear_buffer_pos(buffer, NULL);
 431 }
 432
 433 EXTERN void
 434 tdm_helper_get_buffer_full_size(tbm_surface_h buffer, int *buffer_w, int *buffer_h)
 435 {
 436         tbm_surface_info_s info;
 437         int ret;
 438
 439         TDM_RETURN_IF_FAIL(buffer != NULL);
 440
 441         ret = tbm_surface_get_info(buffer, &info);
 442         TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 443
 444         if (buffer_w) {
 445                 if (IS_RGB(info.format))
 446                         *buffer_w = info.planes[0].stride >> 2;
 447                 else
 448                         *buffer_w = info.planes[0].stride;
 449         }
 450
 451         if (buffer_h)
 452                 *buffer_h = info.planes[0].size / info.planes[0].stride;
 453 }
 454
 455 static pixman_format_code_t
 456 _tdm_helper_pixman_format_get(tbm_format format)
 457 {
 458         switch (format) {
 459         case TBM_FORMAT_ARGB8888:
 460                 return PIXMAN_a8r8g8b8;
 461         case TBM_FORMAT_XRGB8888:
 462                 return PIXMAN_x8r8g8b8;
 463         default:
 464                 return 0;
 465         }
 466
 467         return 0;
 468 }
 469
 470 EXTERN tdm_error
 471 tdm_helper_convert_buffer(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
 472                                                   tdm_pos *srcpos, tdm_pos *dstpos,
 473                                                   tdm_transform transform, int over)
 474 {
 475         tbm_surface_info_s src_info, dst_info;
 476         pixman_image_t *src_img = NULL, *dst_img = NULL;
 477         pixman_format_code_t src_format, dst_format;
 478         double scale_x, scale_y;
 479         int rotate_step, bos;
 480         pixman_transform_t t;
 481         struct pixman_f_transform ft;
 482         pixman_op_t op;
 483         int src_stride, dst_stride;
 484         int buf_width, err;
 485         tdm_error ret = TDM_ERROR_OPERATION_FAILED;
 486
 487         TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 488         TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 489
 490         bos = tbm_surface_internal_get_num_bos(srcbuf);
 491         TDM_RETURN_VAL_IF_FAIL(bos == 1, TDM_ERROR_OPERATION_FAILED);
 492
 493         bos = tbm_surface_internal_get_num_bos(dstbuf);
 494         TDM_RETURN_VAL_IF_FAIL(bos == 1, TDM_ERROR_OPERATION_FAILED);
 495
 496         err = tbm_surface_map(srcbuf, TBM_OPTION_READ, &src_info);
 497         TDM_RETURN_VAL_IF_FAIL(err == TBM_SURFACE_ERROR_NONE, TDM_ERROR_OPERATION_FAILED);
 498
 499         err = tbm_surface_map(dstbuf, TBM_OPTION_WRITE, &dst_info);
 500         TDM_GOTO_IF_FAIL(err == TBM_SURFACE_ERROR_NONE, unmap_srcbuf);
 501
 502         /* not handle buffers which have 2 more gem handles */
 503         TDM_GOTO_IF_FAIL(src_info.planes[0].ptr != NULL, unmap_dstbuf);
 504         TDM_GOTO_IF_FAIL(dst_info.planes[0].ptr != NULL, unmap_dstbuf);
 505
 506         src_format = _tdm_helper_pixman_format_get(src_info.format);
 507         TDM_GOTO_IF_FAIL(src_format > 0, unmap_dstbuf);
 508         dst_format = _tdm_helper_pixman_format_get(dst_info.format);
 509         TDM_GOTO_IF_FAIL(dst_format > 0, unmap_dstbuf);
 510
 511         buf_width = src_info.planes[0].stride >> 2;
 512         src_stride = src_info.planes[0].stride;
 513         src_img = pixman_image_create_bits(src_format, buf_width, src_info.height,
 514                                                                            (uint32_t*)src_info.planes[0].ptr, src_stride);
 515         TDM_GOTO_IF_FAIL(src_img, unref_img);
 516
 517         buf_width = dst_info.planes[0].stride >> 2;
 518         dst_stride = dst_info.planes[0].stride;
 519         dst_img = pixman_image_create_bits(dst_format, buf_width, dst_info.height,
 520                                                                            (uint32_t*)dst_info.planes[0].ptr, dst_stride);
 521         TDM_GOTO_IF_FAIL(dst_img, unref_img);
 522
 523         pixman_f_transform_init_identity(&ft);
 524
 525         if (transform & TDM_TRANSFORM_FLIPPED) {
 526                 pixman_f_transform_scale(&ft, NULL, -1, 1);
 527                 pixman_f_transform_translate(&ft, NULL, dstpos->w, 0);
 528         }
 529
 530         rotate_step = transform & 0x3;
 531         if (rotate_step > 0) {
 532                 int c, s, tx = 0, ty = 0;
 533                 switch (rotate_step) {
 534                 case 1:
 535                         c = 0, s = -1, tx = -dstpos->w;
 536                         break;
 537                 case 2:
 538                         c = -1, s = 0, tx = -dstpos->w, ty = -dstpos->h;
 539                         break;
 540                 case 3:
 541                         c = 0, s = 1, ty = -dstpos->h;
 542                         break;
 543                 }
 544                 pixman_f_transform_translate(&ft, NULL, tx, ty);
 545                 pixman_f_transform_rotate(&ft, NULL, c, s);
 546         }
 547
 548         if (rotate_step % 2 == 0) {
 549                 scale_x = (double)srcpos->w / dstpos->w;
 550                 scale_y = (double)srcpos->h / dstpos->h;
 551         } else {
 552                 scale_x = (double)srcpos->w / dstpos->h;
 553                 scale_y = (double)srcpos->h / dstpos->w;
 554         }
 555
 556         pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
 557         pixman_f_transform_translate(&ft, NULL, srcpos->x, srcpos->y);
 558         pixman_transform_from_pixman_f_transform(&t, &ft);
 559         pixman_image_set_transform(src_img, &t);
 560
 561         op = (!over) ? PIXMAN_OP_SRC : PIXMAN_OP_OVER;
 562
 563         pixman_image_composite(op, src_img, NULL, dst_img, 0, 0, 0, 0,
 564                                                    dstpos->x, dstpos->y, dstpos->w, dstpos->h);
 565
 566         ret = TDM_ERROR_NONE;
 567
 568 unref_img:
 569         if (src_img)
 570                 pixman_image_unref(src_img);
 571         if (dst_img)
 572                 pixman_image_unref(dst_img);
 573 unmap_dstbuf:
 574         tbm_surface_unmap(dstbuf);
 575 unmap_srcbuf:
 576         tbm_surface_unmap(srcbuf);
 577
 578         return ret;
 579 }
 580
 581 EXTERN int
 582 tdm_helper_get_fd(const char *env)
 583 {
 584         if (strncmp(env, "TBM_DRM_MASTER_FD", 17) && strncmp(env, "TDM_DRM_MASTER_FD", 17)) {
 585                 TDM_INFO("DEPRECATED! '%s'", env);
 586                 return -1;
 587         }
 588
 589         return tbm_drm_helper_get_master_fd();
 590 }
 591
 592 EXTERN void
 593 tdm_helper_set_fd(const char *env, int fd)
 594 {
 595         if (strncmp(env, "TBM_DRM_MASTER_FD", 17) && strncmp(env, "TDM_DRM_MASTER_FD", 17)) {
 596                 TDM_INFO("DEPRECATED! '%s'", env);
 597                 return;
 598         }
 599
 600         tbm_drm_helper_set_tbm_master_fd(fd);
 601 }
 602
 603 EXTERN void
 604 tdm_helper_dump_start(char *dumppath, int *count)
 605 {
 606         if (dumppath == NULL || count == NULL) {
 607                 TDM_DBG("tdm_helper_dump dumppath or count is null.");
 608                 return;
 609         }
 610
 611         tdm_dump_enable = 1;
 612
 613         TDM_DBG("tdm_helper_dump start.(path : %s)", dumppath);
 614 }
 615
 616 EXTERN void
 617 tdm_helper_dump_stop(void)
 618 {
 619         tdm_dump_enable = 0;
 620
 621         TDM_DBG("tdm_helper_dump stop.");
 622 }
 623
 624 static tdm_error
 625 _tdm_helper_buffer_convert(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
 626                                                    int dx, int dy, int dw, int dh, int count)
 627 {
 628         pixman_image_t *src_img = NULL, *dst_img = NULL;
 629         pixman_format_code_t src_format, dst_format;
 630         pixman_transform_t t;
 631         struct pixman_f_transform ft;
 632         pixman_op_t op;
 633         tbm_surface_info_s src_info = {0, };
 634         tbm_surface_info_s dst_info = {0, };
 635         int stride, width;
 636         double scale_x, scale_y;
 637
 638         TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 639         TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
 640
 641         if (tbm_surface_map(srcbuf, TBM_SURF_OPTION_READ, &src_info) != TBM_SURFACE_ERROR_NONE) {
 642                 TDM_ERR("cannot mmap srcbuf\n");
 643                 return TDM_ERROR_OPERATION_FAILED;
 644         }
 645
 646         if (tbm_surface_map(dstbuf, TBM_SURF_OPTION_WRITE, &dst_info) != TBM_SURFACE_ERROR_NONE) {
 647                 TDM_ERR("cannot mmap dstbuf\n");
 648                 tbm_surface_unmap(srcbuf);
 649                 return TDM_ERROR_OPERATION_FAILED;
 650         }
 651         TDM_GOTO_IF_FAIL(src_info.num_planes == 1, cant_convert);
 652         TDM_GOTO_IF_FAIL(dst_info.num_planes == 1, cant_convert);
 653
 654         /* src */
 655         src_format = _tdm_helper_pixman_format_get(src_info.format);
 656         TDM_GOTO_IF_FAIL(src_format > 0, cant_convert);
 657
 658         width = src_info.planes[0].stride / 4;
 659         stride = src_info.planes[0].stride;
 660         src_img = pixman_image_create_bits(src_format, width, src_info.height,
 661                                                                            (uint32_t*)src_info.planes[0].ptr, stride);
 662         TDM_GOTO_IF_FAIL(src_img != NULL, cant_convert);
 663
 664         /* dst */
 665         dst_format = _tdm_helper_pixman_format_get(dst_info.format);
 666         TDM_GOTO_IF_FAIL(dst_format > 0, cant_convert);
 667
 668         width = dst_info.planes[0].stride / 4;
 669         stride = dst_info.planes[0].stride;
 670         dst_img = pixman_image_create_bits(dst_format, width, dst_info.height,
 671                                                                            (uint32_t*)dst_info.planes[0].ptr, stride);
 672         TDM_GOTO_IF_FAIL(dst_img != NULL, cant_convert);
 673
 674         pixman_f_transform_init_identity(&ft);
 675
 676         scale_x = (double)src_info.width / dw;
 677         scale_y = (double)src_info.height / dh;
 678
 679         pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
 680         pixman_f_transform_translate(&ft, NULL, 0, 0);
 681         pixman_transform_from_pixman_f_transform(&t, &ft);
 682         pixman_image_set_transform(src_img, &t);
 683
 684         if (count == 0)
 685                 op = PIXMAN_OP_SRC;
 686         else
 687                 op = PIXMAN_OP_OVER;
 688
 689         pixman_image_composite(op, src_img, NULL, dst_img,
 690                                                    0, 0, 0, 0, dx, dy, dw, dh);
 691
 692         if (src_img)
 693                 pixman_image_unref(src_img);
 694         if (dst_img)
 695                 pixman_image_unref(dst_img);
 696
 697         tbm_surface_unmap(srcbuf);
 698         tbm_surface_unmap(dstbuf);
 699
 700         return TDM_ERROR_NONE;
 701
 702 cant_convert:
 703         if (src_img)
 704                 pixman_image_unref(src_img);
 705
 706         tbm_surface_unmap(srcbuf);
 707         tbm_surface_unmap(dstbuf);
 708
 709         return TDM_ERROR_OPERATION_FAILED;
 710 }
 711
 712 EXTERN tdm_error
 713 tdm_helper_capture_output(tdm_output *output, tbm_surface_h dst_buffer,
 714                                                   int x, int y, int w, int h,
 715                                                   tdm_helper_capture_handler func, void *data)
 716 {
 717         tbm_surface_h surface;
 718         tdm_error err;
 719         int i, count, first = 0;
 720
 721         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 722         TDM_RETURN_VAL_IF_FAIL(dst_buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
 723         TDM_RETURN_VAL_IF_FAIL(x >= 0, TDM_ERROR_INVALID_PARAMETER);
 724         TDM_RETURN_VAL_IF_FAIL(y >= 0, TDM_ERROR_INVALID_PARAMETER);
 725         TDM_RETURN_VAL_IF_FAIL(w >= 0, TDM_ERROR_INVALID_PARAMETER);
 726         TDM_RETURN_VAL_IF_FAIL(h >= 0, TDM_ERROR_INVALID_PARAMETER);
 727         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 728         TDM_RETURN_VAL_IF_FAIL(data != NULL, TDM_ERROR_INVALID_PARAMETER);
 729
 730         err = tdm_output_get_layer_count(output, &count);
 731         if (err != TDM_ERROR_NONE) {
 732                 TDM_ERR("tdm_output_get_layer_count fail(%d)\n", err);
 733                 return TDM_ERROR_OPERATION_FAILED;
 734         }
 735         if (count <= 0) {
 736                 TDM_ERR("tdm_output_get_layer_count err(%d, %d)\n", err, count);
 737                 return TDM_ERROR_BAD_MODULE;
 738         }
 739
 740         for (i = count - 1; i >= 0; i--) {
 741                 tdm_layer *layer = tdm_output_get_layer(output, i, NULL);
 742
 743                 surface = tdm_layer_get_displaying_buffer(layer, &err);
 744                 if (err != TDM_ERROR_NONE)
 745                         continue;
 746
 747                 err = _tdm_helper_buffer_convert(surface, dst_buffer, x, y, w, h, first++);
 748                 if (err != TDM_ERROR_NONE)
 749                         TDM_DBG("convert fail %d-layer buffer\n", i);
 750                 else
 751                         TDM_DBG("convert success %d-layer buffer\n", i);
 752         }
 753
 754         func(dst_buffer, data);
 755
 756         return TDM_ERROR_NONE;
 757 }
 758
 759 EXTERN void
 760 tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len)
 761 {
 762         tdm_private_display *private_display;
 763         tdm_backend_module *module_data;
 764         tdm_func_output *func_output;
 765         tdm_func_layer *func_layer;
 766         tdm_private_output *private_output = NULL;
 767         tdm_private_layer *private_layer = NULL;
 768         tdm_private_pp *private_pp = NULL;
 769         tdm_private_capture *private_capture = NULL;
 770         tdm_error ret;
 771         int i;
 772
 773         TDM_DBG_RETURN_IF_FAIL(dpy != NULL);
 774
 775         private_display = dpy;
 776         func_output = &private_display->func_output;
 777         func_layer = &private_display->func_layer;
 778
 779         /* module information */
 780         module_data = private_display->module_data;
 781         TDM_SNPRINTF(reply, len, "[TDM backend information]\n");
 782         TDM_SNPRINTF(reply, len, "name: %s\n", module_data->name);
 783         TDM_SNPRINTF(reply, len, "vendor: %s\n", module_data->vendor);
 784         TDM_SNPRINTF(reply, len, "version: %d.%d\n\n",
 785                                  (int)TDM_BACKEND_GET_ABI_MAJOR(module_data->abi_version),
 786                                  (int)TDM_BACKEND_GET_ABI_MINOR(module_data->abi_version));
 787
 788         /* output information */
 789         TDM_SNPRINTF(reply, len, "[Output information]\n");
 790         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 791         TDM_SNPRINTF(reply, len, "idx   maker   model   name   type   status   dpms   subpixel   align_w   min   max   phy(mm)\n");
 792         TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
 793         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
 794                 TDM_SNPRINTF(reply, len, "%d   %s   %s   %s   %s   %s   %s   %u   %d   %dx%d   %dx%d   %ux%u\n",
 795                                          private_output->index, private_output->caps.maker,
 796                                          private_output->caps.model, private_output->caps.name,
 797                                          tdm_conn_str(private_output->caps.type),
 798                                          tdm_status_str(private_output->caps.status),
 799                                          tdm_dpms_str(private_output->current_dpms_value),
 800                                          private_output->caps.subpixel,
 801                                          TDM_FRONT_VALUE(private_output->caps.preferred_align),
 802                                          TDM_FRONT_VALUE(private_output->caps.min_w),
 803                                          TDM_FRONT_VALUE(private_output->caps.min_h),
 804                                          TDM_FRONT_VALUE(private_output->caps.max_w),
 805                                          TDM_FRONT_VALUE(private_output->caps.max_h),
 806                                          private_output->caps.mmWidth, private_output->caps.mmHeight);
 807
 808                 TDM_SNPRINTF(reply, len, "\t%u modes:\n", private_output->caps.mode_count);
 809
 810                 if (private_output->caps.mode_count > 0) {
 811                         const tdm_output_mode *current_mode = NULL;
 812
 813                         TDM_DBG_RETURN_IF_FAIL(func_output->output_get_mode);
 814                         ret = func_output->output_get_mode(private_output->output_backend, &current_mode);
 815                         TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 816
 817                         TDM_SNPRINTF(reply, len, "\t\t name refresh (Hz) clk hdisp hss hse htot vdisp vss vse vtot vscan\n");
 818                         for (i = 0; i < private_output->caps.mode_count; i++) {
 819                                 char *current = (current_mode == private_output->caps.modes + i) ? "*" : " ";
 820                                 TDM_SNPRINTF(reply, len, "\t\t%s%s %u %u %u %u %u %u %u %u %u %u %u ",
 821                                                          current,
 822                                                          private_output->caps.modes[i].name,
 823                                                          private_output->caps.modes[i].vrefresh,
 824                                                          private_output->caps.modes[i].clock,
 825                                                          private_output->caps.modes[i].hdisplay,
 826                                                          private_output->caps.modes[i].hsync_start,
 827                                                          private_output->caps.modes[i].hsync_end,
 828                                                          private_output->caps.modes[i].htotal,
 829                                                          private_output->caps.modes[i].vdisplay,
 830                                                          private_output->caps.modes[i].vsync_start,
 831                                                          private_output->caps.modes[i].vsync_end,
 832                                                          private_output->caps.modes[i].vtotal,
 833                                                          private_output->caps.modes[i].vscan);
 834                                 tdm_mode_flag_str(private_output->caps.modes[i].flags, &reply, len);
 835                                 TDM_SNPRINTF(reply, len, " ");
 836                                 tdm_mode_type_str(private_output->caps.modes[i].type, &reply, len);
 837                                 TDM_SNPRINTF(reply, len, "\n");
 838                         }
 839                 }
 840
 841                 TDM_SNPRINTF(reply, len, "\t%d properties:\n", private_output->caps.prop_count);
 842                 if (private_output->caps.prop_count > 0) {
 843                         TDM_SNPRINTF(reply, len, "\t\tname\ttype\tidx\tvalue\n");
 844                         for (i = 0; i < private_output->caps.prop_count; i++) {
 845                                 tdm_value value;
 846                                 TDM_DBG_RETURN_IF_FAIL(func_output->output_get_property);
 847                                 ret = func_output->output_get_property(private_output->output_backend,
 848                                                                                                            private_output->caps.props[i].id,
 849                                                                                                            &value);
 850                                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 851                                 TDM_SNPRINTF(reply, len, "\t\t%s\t%s\t%u\t",
 852                                                          private_output->caps.props[i].name,
 853                                                          tdm_value_type_str(private_output->caps.props[i].type),
 854                                                          private_output->caps.props[i].id);
 855                                 switch (private_output->caps.props[i].type) {
 856                                 case TDM_VALUE_TYPE_PTR:
 857                                         TDM_SNPRINTF(reply, len, "%p\n", value.ptr);
 858                                         break;
 859                                 case TDM_VALUE_TYPE_INT32:
 860                                         TDM_SNPRINTF(reply, len, "%d\n", value.s32);
 861                                         break;
 862                                 case TDM_VALUE_TYPE_INT64:
 863                                         TDM_SNPRINTF(reply, len, "%"PRId64"\n", value.s64);
 864                                         break;
 865                                 case TDM_VALUE_TYPE_UINT64:
 866                                         TDM_SNPRINTF(reply, len, "%"PRIu64"\n", value.u64);
 867                                         break;
 868                                 case TDM_VALUE_TYPE_UINT32:
 869                                 default:
 870                                         TDM_SNPRINTF(reply, len, "%u\n", value.u32);
 871                                         break;
 872                                 }
 873                         }
 874                 }
 875         }
 876         TDM_SNPRINTF(reply, len, "\n");
 877
 878         /* layer information */
 879         TDM_SNPRINTF(reply, len, "[Layer information]\n");
 880         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 881         TDM_SNPRINTF(reply, len, "idx   output   zpos   buf   format   size   crop   geometry   transform\n");
 882         TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
 883         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
 884                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 885                         if (!private_layer->usable) {
 886                                 tdm_info_layer info;
 887                                 unsigned int format;
 888                                 tdm_size size;
 889                                 tbm_surface_info_s buf_info;
 890
 891                                 TDM_DBG_RETURN_IF_FAIL(func_layer->layer_get_info);
 892                                 memset(&info, 0, sizeof info);
 893                                 ret = func_layer->layer_get_info(private_layer->layer_backend, &info);
 894                                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 895
 896                                 if (!private_layer->showing_buffer)
 897                                         continue;
 898
 899                                 format = tbm_surface_get_format(private_layer->showing_buffer->buffer);
 900                                 tbm_surface_get_info(private_layer->showing_buffer->buffer, &buf_info);
 901
 902                                 if (IS_RGB(format))
 903                                         size.h = buf_info.planes[0].stride >> 2;
 904                                 else
 905                                         size.h = buf_info.planes[0].stride;
 906                                 size.v = tbm_surface_get_height(private_layer->showing_buffer->buffer);
 907
 908                                 if (info.src_config.format)
 909                                         format = (info.src_config.format) ? : format;
 910
 911                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   %p   %c%c%c%c   %ux%u   %ux%u+%u+%u   %ux%u+%u+%u   %s\n",
 912                                                          private_layer->index,
 913                                                          private_output->index,
 914                                                          private_layer->caps.zpos,
 915                                                          private_layer->showing_buffer->buffer, FOURCC_STR(format), size.h, size.v,
 916                                                          info.src_config.pos.w, info.src_config.pos.h, info.src_config.pos.x, info.src_config.pos.y,
 917                                                          info.dst_pos.w, info.dst_pos.h, info.dst_pos.x, info.dst_pos.y,
 918                                                          tdm_transform_str(info.transform));
 919                         } else {
 920                                 TDM_SNPRINTF(reply, len, "%d   %d   %d   -\n",
 921                                                          private_layer->index,
 922                                                          private_output->index,
 923                                                          private_layer->caps.zpos);
 924                         }
 925
 926                         TDM_SNPRINTF(reply, len, "\tcaps\t: ");
 927                         tdm_layer_caps_str(private_layer->caps.capabilities, &reply, len);
 928                         TDM_SNPRINTF(reply, len, "\n");
 929
 930                         TDM_SNPRINTF(reply, len, "\tformats\t: ");
 931                         if (private_layer->caps.format_count > 0) {
 932                                 const char *sep = "";
 933                                 for (i = 0; i < private_layer->caps.format_count; i++) {
 934                                         if (private_layer->caps.formats[i] == 0)
 935                                                 continue;
 936                                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_layer->caps.formats[i]));
 937                                         sep = ",";
 938                                 }
 939                                 TDM_SNPRINTF(reply, len, "\n");
 940                         }
 941
 942                         TDM_SNPRINTF(reply, len, "\t%u properties:\n", private_layer->caps.prop_count);
 943                         if (private_layer->caps.prop_count > 0) {
 944                                 TDM_SNPRINTF(reply, len, "\t\tname\ttype\tidx\tvalue\n");
 945                                 for (i = 0; i < private_layer->caps.prop_count; i++) {
 946                                         tdm_value value;
 947                                         TDM_DBG_RETURN_IF_FAIL(func_layer->layer_get_property);
 948                                         ret = func_layer->layer_get_property(private_layer->layer_backend,
 949                                                                                                                  private_layer->caps.props[i].id,
 950                                                                                                                  &value);
 951                                         TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 952                                         TDM_SNPRINTF(reply, len, "\t\t%s\t%s\t%u\t",
 953                                                                  private_layer->caps.props[i].name,
 954                                                                  tdm_value_type_str(private_output->caps.props[i].type),
 955                                                                  private_layer->caps.props[i].id);
 956                                 switch (private_layer->caps.props[i].type) {
 957                                 case TDM_VALUE_TYPE_PTR:
 958                                         TDM_SNPRINTF(reply, len, "%p\n", value.ptr);
 959                                         break;
 960                                 case TDM_VALUE_TYPE_INT32:
 961                                         TDM_SNPRINTF(reply, len, "%d\n", value.s32);
 962                                         break;
 963                                 case TDM_VALUE_TYPE_INT64:
 964                                         TDM_SNPRINTF(reply, len, "%"PRId64"\n", value.s64);
 965                                         break;
 966                                 case TDM_VALUE_TYPE_UINT64:
 967                                         TDM_SNPRINTF(reply, len, "%"PRIu64"\n", value.u64);
 968                                         break;
 969                                 case TDM_VALUE_TYPE_UINT32:
 970                                 default:
 971                                         TDM_SNPRINTF(reply, len, "%u\n", value.u32);
 972                                         break;
 973                                 }
 974                                 }
 975                         }
 976                 }
 977         }
 978         TDM_SNPRINTF(reply, len, "\n");
 979
 980         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 981                 const char *sep = "";
 982                 TDM_SNPRINTF(reply, len, "[PP information]\n");
 983                 TDM_SNPRINTF(reply, len, "caps\t: ");
 984                 tdm_pp_caps_str(private_display->caps_pp.capabilities, &reply, len);
 985                 TDM_SNPRINTF(reply, len, "\n");
 986                 TDM_SNPRINTF(reply, len, "formats\t: ");
 987                 for (i = 0; i < private_display->caps_pp.format_count; i++) {
 988                         if (private_display->caps_pp.formats[i] == 0)
 989                                 continue;
 990                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_display->caps_pp.formats[i]));
 991                         sep = ",";
 992                 }
 993                 TDM_SNPRINTF(reply, len, "\n");
 994                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
 995                                          TDM_FRONT_VALUE(private_display->caps_pp.min_w),
 996                                          TDM_FRONT_VALUE(private_display->caps_pp.min_h),
 997                                          TDM_FRONT_VALUE(private_display->caps_pp.max_w),
 998                                          TDM_FRONT_VALUE(private_display->caps_pp.max_h),
 999                                          TDM_FRONT_VALUE(private_display->caps_pp.preferred_align));
1000                 if (!LIST_IS_EMPTY(&private_display->pp_list)) {
1001                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
1002                         TDM_SNPRINTF(reply, len, "src(format size crop)  |  dst(format size crop)  |  transform\n");
1003                         TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
1004                         LIST_FOR_EACH_ENTRY(private_pp, &private_display->pp_list, link) {
1005                                 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",
1006                                                          FOURCC_STR(private_pp->info.src_config.format),
1007                                                          private_pp->info.src_config.size.h,
1008                                                          private_pp->info.src_config.size.v,
1009                                                          private_pp->info.src_config.pos.x, private_pp->info.src_config.pos.y,
1010                                                          private_pp->info.src_config.pos.w, private_pp->info.src_config.pos.h,
1011                                                          FOURCC_STR(private_pp->info.dst_config.format),
1012                                                          private_pp->info.dst_config.size.h,
1013                                                          private_pp->info.dst_config.size.v,
1014                                                          private_pp->info.dst_config.pos.x, private_pp->info.dst_config.pos.y,
1015                                                          private_pp->info.dst_config.pos.w, private_pp->info.dst_config.pos.h,
1016                                                          tdm_transform_str(private_pp->info.transform));
1017                         }
1018                 }
1019         } else {
1020                 TDM_SNPRINTF(reply, len, "[No PP capability]\n");
1021         }
1022         TDM_SNPRINTF(reply, len, "\n");
1023
1024         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
1025                 const char *sep = "";
1026                 TDM_SNPRINTF(reply, len, "[Capture information]\n");
1027                 TDM_SNPRINTF(reply, len, "caps\t: ");
1028                 tdm_capture_caps_str(private_display->caps_capture.capabilities, &reply, len);
1029                 TDM_SNPRINTF(reply, len, "\n");
1030                 TDM_SNPRINTF(reply, len, "formats\t: ");
1031                 for (i = 0; i < private_display->caps_capture.format_count; i++) {
1032                         if (private_display->caps_capture.formats[i] == 0)
1033                                 continue;
1034                         TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_display->caps_capture.formats[i]));
1035                         sep = ",";
1036                 }
1037                 TDM_SNPRINTF(reply, len, "\n");
1038                 TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
1039                                          TDM_FRONT_VALUE(private_display->caps_capture.min_w),
1040                                          TDM_FRONT_VALUE(private_display->caps_capture.min_h),
1041                                          TDM_FRONT_VALUE(private_display->caps_capture.max_w),
1042                                          TDM_FRONT_VALUE(private_display->caps_capture.max_h),
1043                                          TDM_FRONT_VALUE(private_display->caps_capture.preferred_align));
1044                 if (!LIST_IS_EMPTY(&private_display->capture_list)) {
1045                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
1046                         TDM_SNPRINTF(reply, len, "dst(format size crop)  |  transform\n");
1047                         TDM_SNPRINTF(reply, len, "-----------------------------------\n");
1048                         LIST_FOR_EACH_ENTRY(private_capture, &private_display->capture_list, link) {
1049                                 TDM_SNPRINTF(reply, len, "%c%c%c%c %ux%u %ux%u+%u+%u | %s\n",
1050                                                          FOURCC_STR(private_capture->info.dst_config.format),
1051                                                          private_capture->info.dst_config.size.h,
1052                                                          private_capture->info.dst_config.size.v,
1053                                                          private_capture->info.dst_config.pos.x, private_capture->info.dst_config.pos.y,
1054                                                          private_capture->info.dst_config.pos.w, private_capture->info.dst_config.pos.h,
1055                                                          tdm_transform_str(private_capture->info.transform));
1056                         }
1057                 }
1058         } else {
1059                 TDM_SNPRINTF(reply, len, "[No Capture capability]\n");
1060         }
1061         TDM_SNPRINTF(reply, len, "\n");
1062 }
1063
1064 EXTERN int
1065 tdm_helper_commit_per_vblank_enabled(tdm_display *dpy)
1066 {
1067         tdm_private_display *private_display;
1068
1069         TDM_RETURN_VAL_IF_FAIL(dpy != NULL, 0);
1070
1071         private_display = dpy;
1072
1073         return private_display->commit_per_vblank;
1074 }
1075