tdm_helper: add checking hwc mode for tdm-monitor -info
[platform/core/uifw/libtdm.git] / src / tdm_helper.c
index 03d13cb..804a112 100644 (file)
@@ -1,66 +1,95 @@
+/**************************************************************************
+ *
+ * libtdm
+ *
+ * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
+ *
+ * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
+ *          JinYoung Jeon <jy0.jeon@samsung.com>,
+ *          Taeheon Kim <th908.kim@samsung.com>,
+ *          YoungJun Cho <yj44.cho@samsung.com>,
+ *          SooChan Lim <sc1.lim@samsung.com>,
+ *          Boram Park <boram1288.park@samsung.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+**************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include <png.h>
-#include <string.h>
-#include <tbm_surface.h>
-#include <tbm_surface_internal.h>
-#include <string.h>
-#include <time.h>
+#include <pixman.h>
 
-#include "tdm.h"
 #include "tdm_private.h"
 
 #define PNG_DEPTH 8
 
-static const char *dump_prefix[2] = {"png", "yuv"};
+static const char *file_exts[2] = {"png", "raw"};
 
-static int *tdm_helper_dump_count;
-static char *tdm_helper_dump_path;
+int tdm_dump_enable;
+char *tdm_debug_dump_dir;
 
-INTERN int
-tdm_helper_unlock_in_cb(tdm_private_display *private_display)
+EXTERN double
+tdm_helper_get_time(void)
 {
-       int ret = pthread_mutex_trylock(&private_display->lock);
-       int need_lock = 0;
-
-       if (ret == 0)
-               _pthread_mutex_unlock(&private_display->lock);
-       else  if (ret == EBUSY) {
-               _pthread_mutex_unlock(&private_display->lock);
-               need_lock = 1;
-       }
+       struct timespec tp;
+
+       if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
+               return (double)tp.tv_sec + ((double)tp.tv_nsec) / 1000000000.0;
 
-       return need_lock;
+       return 0;
 }
 
-INTERN void
-tdm_helper_lock_in_cb(tdm_private_display *private_display, int need_lock)
+static int
+_tdm_helper_check_file_is_symbolic_link(const char* path)
 {
-       if (!need_lock)
-               return;
+       struct stat sb;
 
-       _pthread_mutex_lock(&private_display->lock);
-}
+       if (!path)
+               return 0;
 
-INTERN unsigned long
-tdm_helper_get_time_in_millis(void)
-{
-       struct timespec tp;
+       if (stat(path, &sb) != 0)
+               return 0;
 
-       if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
-               return (tp.tv_sec * 1000) + (tp.tv_nsec / 1000000L);
+       if (S_ISLNK(sb.st_mode))
+               return 1;
 
        return 0;
 }
 
 static void
 _tdm_helper_dump_raw(const char *file, void *data1, int size1, void *data2,
-                     int size2, void *data3, int size3)
+                                        int size2, void *data3, int size3)
 {
        unsigned int *blocks;
-       FILE *fp = fopen(file, "w+");
+       FILE *fp;
+
+       if (_tdm_helper_check_file_is_symbolic_link(file)) {
+               TDM_ERR("'%s' may be symbolic link\n", file);
+               return;
+       }
+
+       fp = fopen(file, "w+");
        TDM_RETURN_IF_FAIL(fp != NULL);
 
        blocks = (unsigned int *)data1;
@@ -81,13 +110,20 @@ _tdm_helper_dump_raw(const char *file, void *data1, int size1, void *data2,
 
 static void
 _tdm_helper_dump_png(const char *file, const void *data, int width,
-                     int height)
+                                        int height)
 {
-       FILE *fp = fopen(file, "wb");
+       FILE *fp;
+
+       if (_tdm_helper_check_file_is_symbolic_link(file)) {
+               TDM_ERR("'%s' may be symbolic link\n", file);
+               return;
+       }
+
+       fp = fopen(file, "wb");
        TDM_RETURN_IF_FAIL(fp != NULL);
 
        png_structp pPngStruct =
-               png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+               png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
        if (!pPngStruct) {
                fclose(fp);
                return;
@@ -102,20 +138,25 @@ _tdm_helper_dump_png(const char *file, const void *data, int width,
 
        png_init_io(pPngStruct, fp);
        png_set_IHDR(pPngStruct,
-                    pPngInfo,
-                    width,
-                    height,
-                    PNG_DEPTH,
-                    PNG_COLOR_TYPE_RGBA,
-                    PNG_INTERLACE_NONE,
-                    PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
+                                pPngInfo,
+                                width,
+                                height,
+                                PNG_DEPTH,
+                                PNG_COLOR_TYPE_RGBA,
+                                PNG_INTERLACE_NONE,
+                                PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
 
        png_set_bgr(pPngStruct);
        png_write_info(pPngStruct, pPngInfo);
 
        const int pixel_size = 4;       // RGBA
        png_bytep *row_pointers =
-               png_malloc(pPngStruct, height * sizeof(png_byte *));
+               png_malloc(pPngStruct, height * sizeof(png_byte *));
+       if (!row_pointers) {
+               png_destroy_write_struct(&pPngStruct, &pPngInfo);
+               fclose(fp);
+               return;
+       }
 
        unsigned int *blocks = (unsigned int *)data;
        int y = 0;
@@ -123,7 +164,16 @@ _tdm_helper_dump_png(const char *file, const void *data, int width,
 
        for (; y < height; ++y) {
                png_bytep row =
-                       png_malloc(pPngStruct, sizeof(png_byte) * width * pixel_size);
+                       png_malloc(pPngStruct, sizeof(png_byte) * width * pixel_size);
+               if (!row) {
+                       for (x = 0; x < y; x++)
+                               png_free(pPngStruct, row_pointers[x]);
+                       png_free(pPngStruct, row_pointers);
+                       png_destroy_write_struct(&pPngStruct, &pPngInfo);
+                       fclose(fp);
+                       return;
+               }
+
                row_pointers[y] = (png_bytep)row;
                for (x = 0; x < width; ++x) {
                        unsigned int curBlock = blocks[y * width + x];
@@ -146,168 +196,896 @@ _tdm_helper_dump_png(const char *file, const void *data, int width,
        fclose(fp);
 }
 
+/* LCOV_EXCL_START */
+INTERN char *
+tdm_helper_dump_make_directory(const char *path, char *reply, int *len)
+{
+       char *fullpath = NULL;
+       time_t timer;
+       struct tm *t, *buf = NULL;
+
+       timer = time(NULL);
+
+       buf = calloc(1, sizeof(struct tm));
+       TDM_GOTO_IF_FAIL(buf != NULL, failed_make);
+
+       fullpath = calloc(1, TDM_PATH_LEN * sizeof(char));
+       TDM_GOTO_IF_FAIL(fullpath != NULL, failed_make);
+
+       t = localtime_r(&timer, buf);
+       TDM_GOTO_IF_FAIL(t != NULL, failed_make);
+
+       snprintf(fullpath, TDM_PATH_LEN, "%s/dump_%04d%02d%02d.%02d%02d%02d", path,
+                        t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
+
+       if ((mkdir(fullpath, 0755)) < 0) {
+               TDM_ERR("mkdir '%s' fail\n", fullpath);
+               TDM_SNPRINTF(reply, len, "mkdir '%s' fail\n", fullpath);
+               goto failed_make;
+       }
+
+       free(buf);
+
+       return fullpath;
+failed_make:
+       if (fullpath)
+               free(fullpath);
+       if (buf)
+               free(buf);
+       return NULL;
+}
+
+EXTERN void
+tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str)
+{
+       tbm_surface_info_s info;
+       char file[TDM_PATH_LEN];
+       int ret, bw, bh;
+
+       TDM_RETURN_IF_FAIL(buffer != NULL);
+       TDM_RETURN_IF_FAIL(str != NULL);
+
+       if (!dir)
+               dir = ".";
+
+       ret = tbm_surface_get_info(buffer, &info);
+       TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
+
+       tdm_helper_get_buffer_full_size(buffer, &bw, &bh);
+
+       snprintf(file, TDM_PATH_LEN, "%s/%c%c%c%c_%dx%d_%dx%d_%s",
+                        dir, FOURCC_STR(info.format), bw, bh, info.width, info.height, str);
+
+       tdm_helper_dump_buffer(buffer, file);
+}
+/* LCOV_EXCL_STOP */
+
 EXTERN void
 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file)
 {
+       char temp[TDM_PATH_LEN] = {0,};
        tbm_surface_info_s info;
        int len, ret;
-       const char *prefix;
+       const char *ext;
+       int bo_cnt;
+       int bw, bh;
+       char *dot, *p = temp;
 
        TDM_RETURN_IF_FAIL(buffer != NULL);
        TDM_RETURN_IF_FAIL(file != NULL);
 
-       ret = tbm_surface_map(buffer, TBM_DEVICE_CPU, &info);
+       ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
        TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 
-       len = strnlen(file, 1024);
-       if (info.format == TBM_FORMAT_ARGB8888 || info.format == TBM_FORMAT_XRGB8888)
-               prefix = dump_prefix[0];
+       if (IS_RGB(info.format))
+               ext = file_exts[0];
        else
-               prefix = dump_prefix[1];
+               ext = file_exts[1];
 
-       if (strncmp(file + (len - 3), prefix, 3)) {
-               TDM_ERR("can't dump to '%s' file", file + (len - 3));
-               tbm_surface_unmap(buffer);
-               return;
+       dot = strrchr(file, '.');
+       if (!dot || strlen(dot + 1) != 3 || strncmp(dot + 1, ext, 3)) {
+               len = strnlen(file, TDM_PATH_LEN - 5);
+               strncat(p, file, len);
+               p += len;
+               *(p++) = '.';
+               strncat(p, ext, 3);
+               p += 3;
+               *p = '\0';
+       } else {
+               len = strnlen(file, TDM_PATH_LEN - 1);
+               strncat(p, file, len);
+               p += len;
+               *p = '\0';
        }
 
+       tdm_helper_get_buffer_full_size(buffer, &bw, &bh);
+
+       bo_cnt = tbm_surface_internal_get_num_bos(buffer);
+       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)",
+                       bo_cnt, bw, bh, info.width, info.height, FOURCC_STR(info.format),
+                       info.planes[0].ptr, info.planes[0].offset, info.planes[0].stride, info.planes[0].size,
+                       info.planes[1].ptr, info.planes[1].offset, info.planes[1].stride, info.planes[1].size,
+                       info.planes[2].ptr, info.planes[2].offset, info.planes[2].stride, info.planes[2].size);
+
        switch (info.format) {
        case TBM_FORMAT_ARGB8888:
        case TBM_FORMAT_XRGB8888:
-               _tdm_helper_dump_png(file, info.planes[0].ptr,
-                                    info.planes[0].stride >> 2, info.height);
+               _tdm_helper_dump_png(temp, info.planes[0].ptr, bw, bh);
                break;
        case TBM_FORMAT_YVU420:
        case TBM_FORMAT_YUV420:
-               _tdm_helper_dump_raw(file,
-                                    info.planes[0].ptr,
-                                    info.planes[0].stride * info.height,
-                                    info.planes[1].ptr,
-                                    info.planes[1].stride * (info.height >> 1),
-                                    info.planes[2].ptr,
-                                    info.planes[2].stride * (info.height >> 1));
+               _tdm_helper_dump_raw((const char*)temp,
+                                                        info.planes[0].ptr,
+                                                        info.planes[0].size,
+                                                        info.planes[1].ptr,
+                                                        info.planes[1].size,
+                                                        info.planes[2].ptr,
+                                                        info.planes[2].size);
                break;
        case TBM_FORMAT_NV12:
        case TBM_FORMAT_NV21:
-               _tdm_helper_dump_raw(file,
-                                    info.planes[0].ptr,
-                                    info.planes[0].stride * info.height,
-                                    info.planes[1].ptr,
-                                    info.planes[1].stride * (info.height >> 1), NULL,
-                                    0);
-               break;
-       case TBM_FORMAT_YUYV:
-       case TBM_FORMAT_UYVY:
-               _tdm_helper_dump_raw(file,
-                                    info.planes[0].ptr,
-                                    info.planes[0].stride * info.height, NULL, 0,
-                                    NULL, 0);
+               _tdm_helper_dump_raw((const char*)temp,
+                                                        info.planes[0].ptr,
+                                                        info.planes[0].size,
+                                                        info.planes[1].ptr,
+                                                        info.planes[1].size, NULL,
+                                                        0);
                break;
        default:
-               TDM_ERR("can't dump %c%c%c%c buffer", FOURCC_STR (info.format));
-               tbm_surface_unmap(buffer);
-               return;
+               _tdm_helper_dump_raw((const char*)temp,
+                                                        info.planes[0].ptr,
+                                                        info.planes[0].size,
+                                                        info.planes[1].ptr,
+                                                        info.planes[1].size,
+                                                        info.planes[2].ptr,
+                                                        info.planes[2].size);
+               break;
        }
 
        tbm_surface_unmap(buffer);
 
-       TDM_INFO("dump %s", file);
+       TDM_INFO("dump %s", temp);
 }
 
-EXTERN int
-tdm_helper_get_fd(const char *env)
+EXTERN void
+tdm_helper_clear_buffer_color(tbm_surface_h buffer, tdm_pos *pos, unsigned int color)
 {
-       const char *value;
-       int fd, newfd, flags, ret;
+       tbm_surface_info_s info;
+       int ret;
 
-       value = (const char*)getenv(env);
-       if (!value)
-               return -1;
+       TDM_RETURN_IF_FAIL(buffer != NULL);
 
-       ret = sscanf(value, "%d", &fd);
-       if (ret < 0) {
-               TDM_ERR("sscanf failed: %m");
-               return -1;
-       }
+       ret = tbm_surface_map(buffer, TBM_OPTION_READ, &info);
+       TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
 
-       flags = fcntl(fd, F_GETFD);
-       if (flags == -1) {
-               TDM_ERR("fcntl failed: %m");
-               return -1;
+       switch (info.format) {
+       case TBM_FORMAT_ARGB8888:
+       case TBM_FORMAT_XRGB8888:
+               if (!pos) {
+                       memset(info.planes[0].ptr, 0, info.planes[0].stride * info.height);
+               } else {
+                       unsigned char *p;
+                       int x, y;
+                       for (y = pos->y; y <= (pos->y + pos->h); y++) {
+                               p = info.planes[0].ptr + info.planes[0].stride * y;
+                               for (x = pos->x; x <= (pos->x + pos->w); x++) {
+                                       unsigned int *ibuf = (unsigned int*)p;
+                                       ibuf[x] = color;
+                               }
+                       }
+               }
+               break;
+       case TBM_FORMAT_YVU420:
+       case TBM_FORMAT_YUV420:
+               memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
+               memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
+               memset((char*)info.planes[2].ptr, 0x80, info.planes[2].stride * (info.height >> 1));
+               break;
+       case TBM_FORMAT_NV12:
+       case TBM_FORMAT_NV21:
+               memset((char*)info.planes[0].ptr, 0x10, info.planes[0].stride * info.height);
+               memset((char*)info.planes[1].ptr, 0x80, info.planes[1].stride * (info.height >> 1));
+               break;
+       default:
+               TDM_ERR("can't clear %c%c%c%c buffer", FOURCC_STR(info.format));
+               break;
        }
 
-       newfd = dup(fd);
-       if (newfd < 0) {
-               TDM_ERR("dup failed: %m");
-               return -1;
-       }
+       tbm_surface_unmap(buffer);
+}
 
-       TDM_INFO("%s: fd(%d) newfd(%d)", env, fd, newfd);
+EXTERN void
+tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos)
+{
+       TDM_RETURN_IF_FAIL(buffer != NULL);
 
-       fcntl(newfd, F_SETFD, flags | FD_CLOEXEC);
+       tdm_helper_clear_buffer_color(buffer, pos, 0);
+}
+
+EXTERN void
+tdm_helper_clear_buffer(tbm_surface_h buffer)
+{
+       TDM_RETURN_IF_FAIL(buffer != NULL);
 
-       return newfd;
+       tdm_helper_clear_buffer_pos(buffer, NULL);
 }
 
 EXTERN void
-tdm_helper_set_fd(const char *env, int fd)
+tdm_helper_get_buffer_full_size(tbm_surface_h buffer, int *buffer_w, int *buffer_h)
 {
-       char buf[32];
+       tbm_surface_info_s info;
        int ret;
 
-       snprintf(buf, sizeof(buf), "%d", fd);
+       TDM_RETURN_IF_FAIL(buffer != NULL);
 
-       ret = setenv(env, (const char*)buf, 1);
-       if (ret) {
-               TDM_ERR("setenv failed: %m");
-               return;
+       ret = tbm_surface_get_info(buffer, &info);
+       TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
+
+       if (buffer_w) {
+               if (IS_RGB(info.format))
+                       *buffer_w = info.planes[0].stride >> 2;
+               else
+                       *buffer_w = info.planes[0].stride;
+       }
+
+       if (buffer_h)
+               *buffer_h = info.planes[0].size / info.planes[0].stride;
+}
+
+static pixman_format_code_t
+_tdm_helper_pixman_format_get(tbm_format format)
+{
+       switch (format) {
+       case TBM_FORMAT_ARGB8888:
+               return PIXMAN_a8r8g8b8;
+       case TBM_FORMAT_XRGB8888:
+               return PIXMAN_x8r8g8b8;
+       default:
+               return 0;
+       }
+
+       return 0;
+}
+
+EXTERN tdm_error
+tdm_helper_convert_buffer(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
+                                                 tdm_pos *srcpos, tdm_pos *dstpos,
+                                                 tdm_transform transform, int over)
+{
+       tbm_surface_info_s src_info, dst_info;
+       pixman_image_t *src_img = NULL, *dst_img = NULL;
+       pixman_format_code_t src_format, dst_format;
+       double scale_x, scale_y;
+       int rotate_step, bos;
+       pixman_transform_t t;
+       struct pixman_f_transform ft;
+       pixman_op_t op;
+       int src_stride, dst_stride;
+       int buf_width, err;
+       tdm_error ret = TDM_ERROR_OPERATION_FAILED;
+
+       TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+       bos = tbm_surface_internal_get_num_bos(srcbuf);
+       TDM_RETURN_VAL_IF_FAIL(bos == 1, TDM_ERROR_OPERATION_FAILED);
+
+       bos = tbm_surface_internal_get_num_bos(dstbuf);
+       TDM_RETURN_VAL_IF_FAIL(bos == 1, TDM_ERROR_OPERATION_FAILED);
+
+       err = tbm_surface_map(srcbuf, TBM_OPTION_READ, &src_info);
+       TDM_RETURN_VAL_IF_FAIL(err == TBM_SURFACE_ERROR_NONE, TDM_ERROR_OPERATION_FAILED);
+
+       err = tbm_surface_map(dstbuf, TBM_OPTION_WRITE, &dst_info);
+       TDM_GOTO_IF_FAIL(err == TBM_SURFACE_ERROR_NONE, unmap_srcbuf);
+
+       /* not handle buffers which have 2 more gem handles */
+       TDM_GOTO_IF_FAIL(src_info.planes[0].ptr != NULL, unmap_dstbuf);
+       TDM_GOTO_IF_FAIL(dst_info.planes[0].ptr != NULL, unmap_dstbuf);
+
+       src_format = _tdm_helper_pixman_format_get(src_info.format);
+       TDM_GOTO_IF_FAIL(src_format > 0, unmap_dstbuf);
+       dst_format = _tdm_helper_pixman_format_get(dst_info.format);
+       TDM_GOTO_IF_FAIL(dst_format > 0, unmap_dstbuf);
+
+       buf_width = src_info.planes[0].stride >> 2;
+       src_stride = src_info.planes[0].stride;
+       src_img = pixman_image_create_bits(src_format, buf_width, src_info.height,
+                                                                          (uint32_t*)src_info.planes[0].ptr, src_stride);
+       TDM_GOTO_IF_FAIL(src_img, unref_img);
+
+       buf_width = dst_info.planes[0].stride >> 2;
+       dst_stride = dst_info.planes[0].stride;
+       dst_img = pixman_image_create_bits(dst_format, buf_width, dst_info.height,
+                                                                          (uint32_t*)dst_info.planes[0].ptr, dst_stride);
+       TDM_GOTO_IF_FAIL(dst_img, unref_img);
+
+       pixman_f_transform_init_identity(&ft);
+
+       if (transform & TDM_TRANSFORM_FLIPPED) {
+               pixman_f_transform_scale(&ft, NULL, -1, 1);
+               pixman_f_transform_translate(&ft, NULL, dstpos->w, 0);
+       }
+
+       rotate_step = transform & 0x3;
+       if (rotate_step > 0) {
+               int c, s, tx = 0, ty = 0;
+               switch (rotate_step) {
+               case 1:
+                       c = 0, s = -1, tx = -dstpos->w;
+                       break;
+               case 2:
+                       c = -1, s = 0, tx = -dstpos->w, ty = -dstpos->h;
+                       break;
+               case 3:
+                       c = 0, s = 1, ty = -dstpos->h;
+                       break;
+               }
+               pixman_f_transform_translate(&ft, NULL, tx, ty);
+               pixman_f_transform_rotate(&ft, NULL, c, s);
+       }
+
+       if (rotate_step % 2 == 0) {
+               scale_x = (double)srcpos->w / dstpos->w;
+               scale_y = (double)srcpos->h / dstpos->h;
+       } else {
+               scale_x = (double)srcpos->w / dstpos->h;
+               scale_y = (double)srcpos->h / dstpos->w;
        }
 
-       if (fd >= 0)
-               TDM_INFO("%s: fd(%d)", env, fd);
+       pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
+       pixman_f_transform_translate(&ft, NULL, srcpos->x, srcpos->y);
+       pixman_transform_from_pixman_f_transform(&t, &ft);
+       pixman_image_set_transform(src_img, &t);
+
+       op = (!over) ? PIXMAN_OP_SRC : PIXMAN_OP_OVER;
+
+       pixman_image_composite(op, src_img, NULL, dst_img, 0, 0, 0, 0,
+                                                  dstpos->x, dstpos->y, dstpos->w, dstpos->h);
+
+       ret = TDM_ERROR_NONE;
+
+unref_img:
+       if (src_img)
+               pixman_image_unref(src_img);
+       if (dst_img)
+               pixman_image_unref(dst_img);
+unmap_dstbuf:
+       tbm_surface_unmap(dstbuf);
+unmap_srcbuf:
+       tbm_surface_unmap(srcbuf);
+
+       return ret;
+}
+
+/* LCOV_EXCL_START */
+EXTERN int
+tdm_helper_get_fd(const char *env)
+{
+       if (strncmp(env, "TBM_DRM_MASTER_FD", 17) && strncmp(env, "TDM_DRM_MASTER_FD", 17)) {
+               TDM_INFO("DEPRECATED! '%s'", env);
+               return -1;
+       }
+
+       return tbm_drm_helper_get_master_fd();
 }
 
 EXTERN void
-tdm_helper_dump_start(char *dumppath, int *count)
+tdm_helper_set_fd(const char *env, int fd)
 {
-       if (tdm_helper_dump_count != NULL) {
-               TDM_DBG("tdm_helper_dump is already started.");
+       if (strncmp(env, "TBM_DRM_MASTER_FD", 17) && strncmp(env, "TDM_DRM_MASTER_FD", 17)) {
+               TDM_INFO("DEPRECATED! '%s'", env);
                return;
        }
 
-       if (dumppath == NULL) {
-               TDM_DBG("tdm_helper_dump dumppath is null.");
+       tbm_drm_helper_set_tbm_master_fd(fd);
+}
+/* LCOV_EXCL_STOP */
+
+EXTERN void
+tdm_helper_dump_start(char *dumppath, int *count)
+{
+       if (dumppath == NULL || count == NULL) {
+               TDM_DBG("tdm_helper_dump dumppath or count is null.");
                return;
        }
 
-       tdm_helper_dump_count = count;
-       tdm_helper_dump_path = dumppath;
+       tdm_dump_enable = 1;
 
-       TDM_DBG("tdm_helper_dump start.(path : %s)", tdm_helper_dump_path);
+       TDM_DBG("tdm_helper_dump start.(path : %s)", dumppath);
 }
 
 EXTERN void
 tdm_helper_dump_stop(void)
 {
-       tdm_helper_dump_path = NULL;
-       tdm_helper_dump_count = NULL;
+       tdm_dump_enable = 0;
 
        TDM_DBG("tdm_helper_dump stop.");
 }
 
-INTERN int
-tdm_helper_get_dump_count(void)
+/* LCOV_EXCL_START */
+static tdm_error
+_tdm_helper_buffer_convert(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
+                                                  int dx, int dy, int dw, int dh, int count)
 {
-       if ((tdm_helper_dump_count != NULL) && (tdm_helper_dump_path != NULL)) {
-               if (*tdm_helper_dump_count == 1000)
-                       *tdm_helper_dump_count = 1;
-               return (*tdm_helper_dump_count)++;
-       } else
-               return 0;
+       pixman_image_t *src_img = NULL, *dst_img = NULL;
+       pixman_format_code_t src_format, dst_format;
+       pixman_transform_t t;
+       struct pixman_f_transform ft;
+       pixman_op_t op;
+       tbm_surface_info_s src_info = {0, };
+       tbm_surface_info_s dst_info = {0, };
+       int stride, width;
+       double scale_x, scale_y;
+
+       TDM_RETURN_VAL_IF_FAIL(srcbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(dstbuf != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+       if (tbm_surface_map(srcbuf, TBM_SURF_OPTION_READ, &src_info) != TBM_SURFACE_ERROR_NONE) {
+               TDM_ERR("cannot mmap srcbuf\n");
+               return TDM_ERROR_OPERATION_FAILED;
+       }
+
+       if (tbm_surface_map(dstbuf, TBM_SURF_OPTION_WRITE, &dst_info) != TBM_SURFACE_ERROR_NONE) {
+               TDM_ERR("cannot mmap dstbuf\n");
+               tbm_surface_unmap(srcbuf);
+               return TDM_ERROR_OPERATION_FAILED;
+       }
+       TDM_GOTO_IF_FAIL(src_info.num_planes == 1, cant_convert);
+       TDM_GOTO_IF_FAIL(dst_info.num_planes == 1, cant_convert);
+
+       /* src */
+       src_format = _tdm_helper_pixman_format_get(src_info.format);
+       TDM_GOTO_IF_FAIL(src_format > 0, cant_convert);
+
+       width = src_info.planes[0].stride / 4;
+       stride = src_info.planes[0].stride;
+       src_img = pixman_image_create_bits(src_format, width, src_info.height,
+                                                                          (uint32_t*)src_info.planes[0].ptr, stride);
+       TDM_GOTO_IF_FAIL(src_img != NULL, cant_convert);
+
+       /* dst */
+       dst_format = _tdm_helper_pixman_format_get(dst_info.format);
+       TDM_GOTO_IF_FAIL(dst_format > 0, cant_convert);
+
+       width = dst_info.planes[0].stride / 4;
+       stride = dst_info.planes[0].stride;
+       dst_img = pixman_image_create_bits(dst_format, width, dst_info.height,
+                                                                          (uint32_t*)dst_info.planes[0].ptr, stride);
+       TDM_GOTO_IF_FAIL(dst_img != NULL, cant_convert);
+
+       pixman_f_transform_init_identity(&ft);
+
+       scale_x = (double)src_info.width / dw;
+       scale_y = (double)src_info.height / dh;
+
+       pixman_f_transform_scale(&ft, NULL, scale_x, scale_y);
+       pixman_f_transform_translate(&ft, NULL, 0, 0);
+       pixman_transform_from_pixman_f_transform(&t, &ft);
+       pixman_image_set_transform(src_img, &t);
+
+       if (count == 0)
+               op = PIXMAN_OP_SRC;
+       else
+               op = PIXMAN_OP_OVER;
+
+       pixman_image_composite(op, src_img, NULL, dst_img,
+                                                  0, 0, 0, 0, dx, dy, dw, dh);
+
+       if (src_img)
+               pixman_image_unref(src_img);
+       if (dst_img)
+               pixman_image_unref(dst_img);
+
+       tbm_surface_unmap(srcbuf);
+       tbm_surface_unmap(dstbuf);
+
+       return TDM_ERROR_NONE;
+
+cant_convert:
+       if (src_img)
+               pixman_image_unref(src_img);
+
+       tbm_surface_unmap(srcbuf);
+       tbm_surface_unmap(dstbuf);
+
+       return TDM_ERROR_OPERATION_FAILED;
 }
+/* LCOV_EXCL_STOP */
 
-INTERN char *
-tdm_helper_get_dump_path(void)
+
+EXTERN tdm_error
+tdm_helper_capture_output(tdm_output *output, tbm_surface_h dst_buffer,
+                                                 int x, int y, int w, int h,
+                                                 tdm_helper_capture_handler func, void *data)
+{
+       tbm_surface_h surface;
+       tdm_error err;
+       int i, count, first = 0;
+
+       TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(dst_buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(x >= 0, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(y >= 0, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(w >= 0, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(h >= 0, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+       err = tdm_output_get_layer_count(output, &count);
+       if (err != TDM_ERROR_NONE) {
+               TDM_ERR("tdm_output_get_layer_count fail(%d)\n", err);
+               return TDM_ERROR_OPERATION_FAILED;
+       }
+       if (count <= 0) {
+               TDM_ERR("tdm_output_get_layer_count err(%d, %d)\n", err, count);
+               return TDM_ERROR_BAD_MODULE;
+       }
+
+       for (i = count - 1; i >= 0; i--) {
+               tdm_layer *layer = tdm_output_get_layer(output, i, NULL);
+
+               surface = tdm_layer_get_displaying_buffer(layer, &err);
+               if (err != TDM_ERROR_NONE)
+                       continue;
+
+               err = _tdm_helper_buffer_convert(surface, dst_buffer, x, y, w, h, first++);
+               if (err != TDM_ERROR_NONE)
+                       TDM_DBG("convert fail %d-layer buffer\n", i);
+               else
+                       TDM_DBG("convert success %d-layer buffer\n", i);
+       }
+
+       func(dst_buffer, data);
+
+       return TDM_ERROR_NONE;
+}
+
+static char *
+_tdm_helper_get_backend_information(tdm_private_module *private_module, char *reply, int *len)
+{
+       tdm_backend_module *module_data;
+       tdm_func_output *func_output;
+       tdm_func_layer *func_layer;
+       tdm_private_output *private_output = NULL;
+       tdm_private_layer *private_layer = NULL;
+       tdm_private_pp *private_pp = NULL;
+       tdm_private_capture *private_capture = NULL;
+       tdm_error ret;
+       int i;
+
+       func_output = &private_module->func_output;
+       func_layer = &private_module->func_layer;
+
+       /* module information */
+       module_data = private_module->module_data;
+       TDM_SNPRINTF(reply, len, "['%s' backend information]\n", module_data->name);
+       TDM_SNPRINTF(reply, len, "vendor: %s\n", module_data->vendor);
+       TDM_SNPRINTF(reply, len, "version: %d.%d\n\n",
+                                (int)TDM_BACKEND_GET_ABI_MAJOR(module_data->abi_version),
+                                (int)TDM_BACKEND_GET_ABI_MINOR(module_data->abi_version));
+
+       /* output information */
+       TDM_SNPRINTF(reply, len, "['%s' backend output information]\n", module_data->name);
+       TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
+       TDM_SNPRINTF(reply, len, "idx   maker   model   name   type   status   dpms   subpixel   align_w   min   max   phy(mm)\n");
+       TDM_SNPRINTF(reply, len, "--------------------------------------------------------------------------------------------\n");
+       LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
+               TDM_SNPRINTF(reply, len, "%d   %s   %s   %s   %s   %s   %s   %u   %d   %dx%d   %dx%d   %ux%u\n",
+                                        private_output->index, private_output->caps.maker,
+                                        private_output->caps.model, private_output->caps.name,
+                                        tdm_conn_str(private_output->caps.type),
+                                        tdm_status_str(private_output->caps.status),
+                                        tdm_dpms_str(private_output->current_dpms_value),
+                                        private_output->caps.subpixel,
+                                        TDM_FRONT_VALUE(private_output->caps.preferred_align),
+                                        TDM_FRONT_VALUE(private_output->caps.min_w),
+                                        TDM_FRONT_VALUE(private_output->caps.min_h),
+                                        TDM_FRONT_VALUE(private_output->caps.max_w),
+                                        TDM_FRONT_VALUE(private_output->caps.max_h),
+                                        private_output->caps.mmWidth, private_output->caps.mmHeight);
+
+               TDM_SNPRINTF(reply, len, "\t%u modes:\n", private_output->caps.mode_count);
+
+               if (private_output->caps.mode_count > 0) {
+                       TDM_SNPRINTF(reply, len, "\t\t name refresh (Hz) clk hdisp hss hse htot vdisp vss vse vtot vscan\n");
+                       for (i = 0; i < private_output->caps.mode_count; i++) {
+                               char *current = (private_output->current_mode == private_output->caps.modes + i) ? "*" : " ";
+                               TDM_SNPRINTF(reply, len, "\t\t%s%s %u %u %u %u %u %u %u %u %u %u %u ",
+                                                        current,
+                                                        private_output->caps.modes[i].name,
+                                                        private_output->caps.modes[i].vrefresh,
+                                                        private_output->caps.modes[i].clock,
+                                                        private_output->caps.modes[i].hdisplay,
+                                                        private_output->caps.modes[i].hsync_start,
+                                                        private_output->caps.modes[i].hsync_end,
+                                                        private_output->caps.modes[i].htotal,
+                                                        private_output->caps.modes[i].vdisplay,
+                                                        private_output->caps.modes[i].vsync_start,
+                                                        private_output->caps.modes[i].vsync_end,
+                                                        private_output->caps.modes[i].vtotal,
+                                                        private_output->caps.modes[i].vscan);
+                               tdm_mode_flag_str(private_output->caps.modes[i].flags, &reply, len);
+                               TDM_SNPRINTF(reply, len, " ");
+                               tdm_mode_type_str(private_output->caps.modes[i].type, &reply, len);
+                               TDM_SNPRINTF(reply, len, "\n");
+                       }
+               }
+
+               TDM_SNPRINTF(reply, len, "\t%d properties:\n", private_output->caps.prop_count);
+               if (private_output->caps.prop_count > 0) {
+                       TDM_SNPRINTF(reply, len, "\t\tname\ttype\tidx\tvalue\n");
+                       for (i = 0; i < private_output->caps.prop_count; i++) {
+                               tdm_value value;
+                               TDM_DBG_RETURN_VAL_IF_FAIL(func_output->output_get_property, reply);
+                               ret = func_output->output_get_property(private_output->output_backend,
+                                                                                                          private_output->caps.props[i].id,
+                                                                                                          &value);
+                               TDM_DBG_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, reply);
+                               TDM_SNPRINTF(reply, len, "\t\t%s\t%s\t%u\t",
+                                                        private_output->caps.props[i].name,
+                                                        tdm_value_type_str(private_output->caps.props[i].type),
+                                                        private_output->caps.props[i].id);
+                               switch (private_output->caps.props[i].type) {
+                               case TDM_VALUE_TYPE_PTR:
+                                       TDM_SNPRINTF(reply, len, "%p\n", value.ptr);
+                                       break;
+                               case TDM_VALUE_TYPE_INT32:
+                                       TDM_SNPRINTF(reply, len, "%d\n", value.s32);
+                                       break;
+                               case TDM_VALUE_TYPE_INT64:
+                                       TDM_SNPRINTF(reply, len, "%"PRId64"\n", value.s64);
+                                       break;
+                               case TDM_VALUE_TYPE_UINT64:
+                                       TDM_SNPRINTF(reply, len, "%"PRIu64"\n", value.u64);
+                                       break;
+                               case TDM_VALUE_TYPE_UINT32:
+                               default:
+                                       TDM_SNPRINTF(reply, len, "%u\n", value.u32);
+                                       break;
+                               }
+                       }
+               }
+       }
+       if (LIST_IS_EMPTY(&private_module->output_list))
+               TDM_SNPRINTF(reply, len, "(no output)\n");
+       TDM_SNPRINTF(reply, len, "\n");
+
+       /* layer information */
+       TDM_SNPRINTF(reply, len, "['%s' backend layer information]\n", module_data->name);
+       TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
+       TDM_SNPRINTF(reply, len, "idx   output   zpos   buf   format   size   crop   geometry   transform\n");
+       TDM_SNPRINTF(reply, len, "-----------------------------------------------------------------------\n");
+       LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
+               if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
+                       TDM_SNPRINTF(reply, len, "(no layer), hwc mode on\n");
+                       continue;
+               }
+
+               LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
+                       if (!private_layer->usable) {
+                               tdm_info_layer info;
+                               unsigned int format;
+                               tdm_size size;
+                               tbm_surface_info_s buf_info;
+
+                               TDM_DBG_RETURN_VAL_IF_FAIL(func_layer->layer_get_info, reply);
+                               memset(&info, 0, sizeof info);
+                               ret = func_layer->layer_get_info(private_layer->layer_backend, &info);
+                               TDM_DBG_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, reply);
+
+                               if (!private_layer->showing_buffer)
+                                       continue;
+
+                               format = tbm_surface_get_format(private_layer->showing_buffer->buffer);
+                               tbm_surface_get_info(private_layer->showing_buffer->buffer, &buf_info);
+
+                               size.h = tbm_surface_get_width(private_layer->showing_buffer->buffer);
+                               size.v = tbm_surface_get_height(private_layer->showing_buffer->buffer);
+
+                               if (info.src_config.format)
+                                       format = (info.src_config.format) ? : format;
+
+                               TDM_SNPRINTF(reply, len, "%d   %d   %d   %p   %c%c%c%c   %ux%u   %ux%u+%u+%u   %ux%u+%u+%u   %s\n",
+                                                        private_layer->index,
+                                                        private_output->index,
+                                                        private_layer->caps.zpos,
+                                                        private_layer->showing_buffer->buffer, FOURCC_STR(format), size.h, size.v,
+                                                        info.src_config.pos.w, info.src_config.pos.h, info.src_config.pos.x, info.src_config.pos.y,
+                                                        info.dst_pos.w, info.dst_pos.h, info.dst_pos.x, info.dst_pos.y,
+                                                        tdm_transform_str(info.transform));
+                       } else {
+                               TDM_SNPRINTF(reply, len, "%d   %d   %d   -\n",
+                                                        private_layer->index,
+                                                        private_output->index,
+                                                        private_layer->caps.zpos);
+                       }
+
+                       TDM_SNPRINTF(reply, len, "\tcaps\t: ");
+                       tdm_layer_caps_str(private_layer->caps.capabilities, &reply, len);
+                       TDM_SNPRINTF(reply, len, "\n");
+
+                       TDM_SNPRINTF(reply, len, "\tformats\t: ");
+                       if (private_layer->caps.format_count > 0) {
+                               const char *sep = "";
+                               for (i = 0; i < private_layer->caps.format_count; i++) {
+                                       if (private_layer->caps.formats[i] == 0)
+                                               continue;
+                                       TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_layer->caps.formats[i]));
+                                       sep = ",";
+                               }
+                               TDM_SNPRINTF(reply, len, "\n");
+                       }
+
+                       TDM_SNPRINTF(reply, len, "\t%u properties:\n", private_layer->caps.prop_count);
+                       if (private_layer->caps.prop_count > 0) {
+                               TDM_SNPRINTF(reply, len, "\t\tname\ttype\tidx\tvalue\n");
+                               for (i = 0; i < private_layer->caps.prop_count; i++) {
+                                       tdm_value value;
+                                       TDM_DBG_RETURN_VAL_IF_FAIL(func_layer->layer_get_property, reply);
+                                       ret = func_layer->layer_get_property(private_layer->layer_backend,
+                                                                                                                private_layer->caps.props[i].id,
+                                                                                                                &value);
+                                       TDM_DBG_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, reply);
+                                       TDM_SNPRINTF(reply, len, "\t\t%s\t%s\t%u\t",
+                                                                private_layer->caps.props[i].name,
+                                                                tdm_value_type_str(private_output->caps.props[i].type),
+                                                                private_layer->caps.props[i].id);
+                               switch (private_layer->caps.props[i].type) {
+                               case TDM_VALUE_TYPE_PTR:
+                                       TDM_SNPRINTF(reply, len, "%p\n", value.ptr);
+                                       break;
+                               case TDM_VALUE_TYPE_INT32:
+                                       TDM_SNPRINTF(reply, len, "%d\n", value.s32);
+                                       break;
+                               case TDM_VALUE_TYPE_INT64:
+                                       TDM_SNPRINTF(reply, len, "%"PRId64"\n", value.s64);
+                                       break;
+                               case TDM_VALUE_TYPE_UINT64:
+                                       TDM_SNPRINTF(reply, len, "%"PRIu64"\n", value.u64);
+                                       break;
+                               case TDM_VALUE_TYPE_UINT32:
+                               default:
+                                       TDM_SNPRINTF(reply, len, "%u\n", value.u32);
+                                       break;
+                               }
+                               }
+                       }
+               }
+       }
+       if (LIST_IS_EMPTY(&private_module->output_list))
+               TDM_SNPRINTF(reply, len, "(no layer)\n");
+       TDM_SNPRINTF(reply, len, "\n");
+
+       if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
+               const char *sep = "";
+               TDM_SNPRINTF(reply, len, "['%s' backend PP information]\n", module_data->name);
+               TDM_SNPRINTF(reply, len, "caps\t: ");
+               tdm_pp_caps_str(private_module->caps_pp.capabilities, &reply, len);
+               TDM_SNPRINTF(reply, len, "\n");
+               TDM_SNPRINTF(reply, len, "formats\t: ");
+               for (i = 0; i < private_module->caps_pp.format_count; i++) {
+                       if (private_module->caps_pp.formats[i] == 0)
+                               continue;
+                       TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_module->caps_pp.formats[i]));
+                       sep = ",";
+               }
+               TDM_SNPRINTF(reply, len, "\n");
+               TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
+                                        TDM_FRONT_VALUE(private_module->caps_pp.min_w),
+                                        TDM_FRONT_VALUE(private_module->caps_pp.min_h),
+                                        TDM_FRONT_VALUE(private_module->caps_pp.max_w),
+                                        TDM_FRONT_VALUE(private_module->caps_pp.max_h),
+                                        TDM_FRONT_VALUE(private_module->caps_pp.preferred_align));
+               if (!LIST_IS_EMPTY(&private_module->pp_list)) {
+                       TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
+                       TDM_SNPRINTF(reply, len, "src(format size crop)  |  dst(format size crop)  |  transform\n");
+                       TDM_SNPRINTF(reply, len, "-------------------------------------------------------------\n");
+                       LIST_FOR_EACH_ENTRY(private_pp, &private_module->pp_list, link) {
+                               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",
+                                                        FOURCC_STR(private_pp->info.src_config.format),
+                                                        private_pp->info.src_config.size.h,
+                                                        private_pp->info.src_config.size.v,
+                                                        private_pp->info.src_config.pos.x, private_pp->info.src_config.pos.y,
+                                                        private_pp->info.src_config.pos.w, private_pp->info.src_config.pos.h,
+                                                        FOURCC_STR(private_pp->info.dst_config.format),
+                                                        private_pp->info.dst_config.size.h,
+                                                        private_pp->info.dst_config.size.v,
+                                                        private_pp->info.dst_config.pos.x, private_pp->info.dst_config.pos.y,
+                                                        private_pp->info.dst_config.pos.w, private_pp->info.dst_config.pos.h,
+                                                        tdm_transform_str(private_pp->info.transform));
+                       }
+               }
+       } else {
+               TDM_SNPRINTF(reply, len, "['%s' backend No PP capability]\n", module_data->name);
+       }
+       TDM_SNPRINTF(reply, len, "\n");
+
+       if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
+               const char *sep = "";
+               TDM_SNPRINTF(reply, len, "['%s' backend capture information]\n", module_data->name);
+               TDM_SNPRINTF(reply, len, "caps\t: ");
+               tdm_capture_caps_str(private_module->caps_capture.capabilities, &reply, len);
+               TDM_SNPRINTF(reply, len, "\n");
+               TDM_SNPRINTF(reply, len, "formats\t: ");
+               for (i = 0; i < private_module->caps_capture.format_count; i++) {
+                       if (private_module->caps_capture.formats[i] == 0)
+                               continue;
+                       TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_module->caps_capture.formats[i]));
+                       sep = ",";
+               }
+               TDM_SNPRINTF(reply, len, "\n");
+               TDM_SNPRINTF(reply, len, "size\t: min(%dx%d) max(%dx%d) align_w(%d)\n",
+                                        TDM_FRONT_VALUE(private_module->caps_capture.min_w),
+                                        TDM_FRONT_VALUE(private_module->caps_capture.min_h),
+                                        TDM_FRONT_VALUE(private_module->caps_capture.max_w),
+                                        TDM_FRONT_VALUE(private_module->caps_capture.max_h),
+                                        TDM_FRONT_VALUE(private_module->caps_capture.preferred_align));
+               if (!LIST_IS_EMPTY(&private_module->capture_list)) {
+                       TDM_SNPRINTF(reply, len, "-----------------------------------\n");
+                       TDM_SNPRINTF(reply, len, "dst(format size crop)  |  transform\n");
+                       TDM_SNPRINTF(reply, len, "-----------------------------------\n");
+                       LIST_FOR_EACH_ENTRY(private_capture, &private_module->capture_list, link) {
+                               TDM_SNPRINTF(reply, len, "%c%c%c%c %ux%u %ux%u+%u+%u | %s\n",
+                                                        FOURCC_STR(private_capture->info.dst_config.format),
+                                                        private_capture->info.dst_config.size.h,
+                                                        private_capture->info.dst_config.size.v,
+                                                        private_capture->info.dst_config.pos.x, private_capture->info.dst_config.pos.y,
+                                                        private_capture->info.dst_config.pos.w, private_capture->info.dst_config.pos.h,
+                                                        tdm_transform_str(private_capture->info.transform));
+                       }
+               }
+       } else {
+               TDM_SNPRINTF(reply, len, "['%s' backend No Capture capability]\n", module_data->name);
+       }
+       TDM_SNPRINTF(reply, len, "\n");
+       return reply;
+}
+
+EXTERN void
+tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len)
 {
-       return tdm_helper_dump_path;
+       tdm_private_display *private_display;
+       tdm_private_module *private_module = NULL;
+
+       TDM_DBG_RETURN_IF_FAIL(dpy != NULL);
+
+       private_display = dpy;
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
+               reply = _tdm_helper_get_backend_information(private_module, reply, len);
+       }
+
+       _pthread_mutex_unlock(&private_display->lock);
+}
+
+/* LCOV_EXCL_START */
+EXTERN int
+tdm_helper_commit_per_vblank_enabled(tdm_display *dpy)
+{
+       TDM_DEPRECATED("Use tdm_helper_output_commit_per_vblank_enabled");
+
+       return 0;
+}
+/* LCOV_EXCL_STOP */
+
+EXTERN int
+tdm_helper_output_commit_per_vblank_enabled(tdm_output *output)
+{
+       tdm_private_output *private_output = output;
+
+       TDM_RETURN_VAL_IF_FAIL(private_output != NULL, -1);
+
+       return !!private_output->commit_per_vblank;
+}
+
+EXTERN unsigned int
+tdm_helper_output_vblank_timer_expired(tdm_output *output)
+{
+       tdm_private_output *private_output = output;
+
+       TDM_RETURN_VAL_IF_FAIL(private_output != NULL, -1);
+
+       return private_output->vblank_timeout_timer_expired;
 }