X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Ftdm_helper.c;h=bcd7aecf9ecb64a7ec68b2f064b6535911ecbd08;hb=c61e3aaef986c13175c299570e8bc3ef09a4d50a;hp=a57a7321e5251c9403547c83a742c6b365e107d1;hpb=a96653d12ad8b320812307b3d1d6cb8b35fe9e78;p=platform%2Fcore%2Fuifw%2Flibtdm.git

diff --git a/src/tdm_helper.c b/src/tdm_helper.c
index a57a732..bcd7aec 100644
--- a/src/tdm_helper.c
+++ b/src/tdm_helper.c
@@ -41,38 +41,55 @@
 #include <string.h>
 #include <tbm_surface.h>
 #include <tbm_surface_internal.h>
+#include <tbm_drm_helper.h>
 #include <string.h>
 #include <time.h>
+#include <pixman.h>
+#include <inttypes.h>
 
 #include "tdm.h"
 #include "tdm_private.h"
+#include "tdm_helper.h"
 
 #define PNG_DEPTH 8
 
-static const char *dump_prefix[2] = {"png", "yuv"};
+static const char *file_exts[2] = {"png", "yuv"};
 
 int tdm_dump_enable;
+char *tdm_debug_dump_dir;
 
-INTERN unsigned long
-tdm_helper_get_time_in_millis(void)
+EXTERN double
+tdm_helper_get_time(void)
 {
 	struct timespec tp;
 
 	if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
-		return (tp.tv_sec * 1000) + (tp.tv_nsec / 1000000L);
+		return (double)tp.tv_sec + ((double)tp.tv_nsec) / 1000000000.0;
 
 	return 0;
 }
 
-INTERN unsigned long
-tdm_helper_get_time_in_micros(void)
+static int
+_tdm_helper_check_file_is_valid(const char* path, int del_link)
 {
-	struct timespec tp;
+	char *real_path;
 
-	if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
-		return (tp.tv_sec * 1000000) + (tp.tv_nsec / 1000L);
+	if (!path)
+		return 0;
 
-	return 0;
+	real_path = realpath(path, NULL);
+	if (real_path && strncmp(path, real_path, strlen(path))) {
+		if (del_link)
+			unlink(path);
+		free(real_path);
+
+		return 0;
+	}
+
+	if (real_path)
+		free(real_path);
+
+	return 1;
 }
 
 static void
@@ -80,7 +97,12 @@ _tdm_helper_dump_raw(const char *file, void *data1, int size1, void *data2,
 					 int size2, void *data3, int size3)
 {
 	unsigned int *blocks;
-	FILE *fp = fopen(file, "w+");
+	FILE *fp;
+
+	if (!_tdm_helper_check_file_is_valid(file, 1))
+		TDM_WRN("'%s' may be symbolic link\n", file);
+
+	fp = fopen(file, "w+");
 	TDM_RETURN_IF_FAIL(fp != NULL);
 
 	blocks = (unsigned int *)data1;
@@ -103,7 +125,12 @@ static void
 _tdm_helper_dump_png(const char *file, const void *data, int width,
 					 int height)
 {
-	FILE *fp = fopen(file, "wb");
+	FILE *fp;
+
+	if (!_tdm_helper_check_file_is_valid(file, 1))
+		TDM_WRN("'%s' may be symbolic link\n", file);
+
+	fp = fopen(file, "wb");
 	TDM_RETURN_IF_FAIL(fp != NULL);
 
 	png_structp pPngStruct =
@@ -136,6 +163,11 @@ _tdm_helper_dump_png(const char *file, const void *data, int width,
 	const int pixel_size = 4;	// RGBA
 	png_bytep *row_pointers =
 		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;
@@ -144,6 +176,15 @@ _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);
+		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];
@@ -166,61 +207,137 @@ _tdm_helper_dump_png(const char *file, const void *data, int width,
 	fclose(fp);
 }
 
+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;
+}
+
+INTERN void
+tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str)
+{
+	tbm_surface_info_s info;
+	const char *ext;
+	char file[TDM_PATH_LEN];
+	int ret, bw, bh;
+
+	TDM_RETURN_IF_FAIL(buffer != NULL);
+	TDM_RETURN_IF_FAIL(dir != NULL);
+	TDM_RETURN_IF_FAIL(str != NULL);
+
+	ret = tbm_surface_get_info(buffer, &info);
+	TDM_RETURN_IF_FAIL(ret == TBM_SURFACE_ERROR_NONE);
+
+	if (IS_RGB(info.format))
+		ext = file_exts[0];
+	else
+		ext = file_exts[1];
+
+	tdm_helper_get_buffer_full_size(buffer, &bw, &bh);
+
+	snprintf(file, TDM_PATH_LEN, "%s/%c%c%c%c_%dx%d_%dx%d_%s.%s",
+			 dir, FOURCC_STR(info.format), bw, bh, info.width, info.height, str, ext);
+
+	tdm_helper_dump_buffer(buffer, file);
+}
+
 EXTERN void
 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file)
 {
 	tbm_surface_info_s info;
 	int len, ret;
-	const char *prefix;
+	const char *ext;
+	int bo_cnt;
+	int bw, bh;
 
 	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)) {
+	if (strncmp(file + (len - 3), ext, 3)) {
 		TDM_ERR("can't dump to '%s' file", file + (len - 3));
 		tbm_surface_unmap(buffer);
 		return;
 	}
 
+	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(file, 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[0].size,
 							 info.planes[1].ptr,
-							 info.planes[1].stride * (info.height >> 1),
+							 info.planes[1].size,
 							 info.planes[2].ptr,
-							 info.planes[2].stride * (info.height >> 1));
+							 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[0].size,
 							 info.planes[1].ptr,
-							 info.planes[1].stride * (info.height >> 1), NULL,
+							 info.planes[1].size, 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,
+							 info.planes[0].size, NULL, 0,
 							 NULL, 0);
 		break;
 	default:
@@ -234,57 +351,253 @@ tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file)
 	TDM_INFO("dump %s", file);
 }
 
-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;
+	case TBM_FORMAT_YUYV: {
+		int *ibuf = (int*)info.planes[0].ptr;
+		int i, size = info.planes[0].stride * info.height / 4;
+
+		for (i = 0 ; i < size ; i++)
+			ibuf[i] = 0x10801080;
 	}
+	break;
+	case TBM_FORMAT_UYVY: {
+		int *ibuf = (int*)info.planes[0].ptr;
+		int i, size = info.planes[0].stride * info.height / 4;
 
-	newfd = dup(fd);
-	if (newfd < 0) {
-		TDM_ERR("dup failed: %m");
-		return -1;
+		for (i = 0 ; i < size ; i++)
+			ibuf[i] = 0x80108010; /* YUYV -> 0xVYUY */
+	}
+	break;
+	default:
+		TDM_ERR("can't clear %c%c%c%c buffer", FOURCC_STR(info.format));
+		break;
 	}
 
-	TDM_INFO("%s: fd(%d) newfd(%d)", env, fd, newfd);
+	tbm_surface_unmap(buffer);
+}
 
-	fcntl(newfd, F_SETFD, flags | FD_CLOEXEC);
+EXTERN void
+tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos)
+{
+	TDM_RETURN_IF_FAIL(buffer != NULL);
 
-	return newfd;
+	tdm_helper_clear_buffer_color(buffer, pos, 0);
 }
 
 EXTERN void
-tdm_helper_set_fd(const char *env, int fd)
+tdm_helper_clear_buffer(tbm_surface_h buffer)
+{
+	TDM_RETURN_IF_FAIL(buffer != NULL);
+
+	tdm_helper_clear_buffer_pos(buffer, NULL);
+}
+
+EXTERN void
+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 = 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);
 
-	ret = setenv(env, (const char*)buf, 1);
-	if (ret) {
-		TDM_ERR("setenv failed: %m");
+	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;
+	}
+
+	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;
+}
+
+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_set_fd(const char *env, int fd)
+{
+	if (strncmp(env, "TBM_DRM_MASTER_FD", 17) && strncmp(env, "TDM_DRM_MASTER_FD", 17)) {
+		TDM_INFO("DEPRECATED! '%s'", env);
 		return;
 	}
 
-	if (fd >= 0)
-		TDM_INFO("%s: fd(%d)", env, fd);
+	tbm_drm_helper_set_tbm_master_fd(fd);
 }
 
 EXTERN void
@@ -308,3 +621,461 @@ tdm_helper_dump_stop(void)
 	TDM_DBG("tdm_helper_dump stop.");
 }
 
+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)
+{
+	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;
+}
+
+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);
+	TDM_RETURN_VAL_IF_FAIL(data != 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;
+}
+
+EXTERN void
+tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len)
+{
+	tdm_private_display *private_display;
+	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;
+
+	TDM_DBG_RETURN_IF_FAIL(dpy != NULL);
+
+	private_display = dpy;
+	func_output = &private_display->func_output;
+	func_layer = &private_display->func_layer;
+
+	/* module information */
+	module_data = private_display->module_data;
+	TDM_SNPRINTF(reply, len, "[TDM backend information]\n");
+	TDM_SNPRINTF(reply, len, "name: %s\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, "[Output information]\n");
+	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_display->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) {
+			const tdm_output_mode *current_mode = NULL;
+
+			TDM_DBG_RETURN_IF_FAIL(func_output->output_get_mode);
+			ret = func_output->output_get_mode(private_output->output_backend, &current_mode);
+			TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
+
+			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 = (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_IF_FAIL(func_output->output_get_property);
+				ret = func_output->output_get_property(private_output->output_backend,
+													   private_output->caps.props[i].id,
+													   &value);
+				TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
+				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;
+				}
+			}
+		}
+	}
+	TDM_SNPRINTF(reply, len, "\n");
+
+	/* layer information */
+	TDM_SNPRINTF(reply, len, "[Layer information]\n");
+	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_display->output_list, link) {
+		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_IF_FAIL(func_layer->layer_get_info);
+				memset(&info, 0, sizeof info);
+				ret = func_layer->layer_get_info(private_layer->layer_backend, &info);
+				TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
+
+				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);
+
+				if (IS_RGB(format))
+					size.h = buf_info.planes[0].stride >> 2;
+				else
+					size.h = buf_info.planes[0].stride;
+				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_IF_FAIL(func_layer->layer_get_property);
+					ret = func_layer->layer_get_property(private_layer->layer_backend,
+														 private_layer->caps.props[i].id,
+														 &value);
+					TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
+					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;
+				}
+				}
+			}
+		}
+	}
+	TDM_SNPRINTF(reply, len, "\n");
+
+	if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
+		const char *sep = "";
+		TDM_SNPRINTF(reply, len, "[PP information]\n");
+		TDM_SNPRINTF(reply, len, "caps\t: ");
+		tdm_pp_caps_str(private_display->caps_pp.capabilities, &reply, len);
+		TDM_SNPRINTF(reply, len, "\n");
+		TDM_SNPRINTF(reply, len, "formats\t: ");
+		for (i = 0; i < private_display->caps_pp.format_count; i++) {
+			if (private_display->caps_pp.formats[i] == 0)
+				continue;
+			TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_display->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_display->caps_pp.min_w),
+					 TDM_FRONT_VALUE(private_display->caps_pp.min_h),
+					 TDM_FRONT_VALUE(private_display->caps_pp.max_w),
+					 TDM_FRONT_VALUE(private_display->caps_pp.max_h),
+					 TDM_FRONT_VALUE(private_display->caps_pp.preferred_align));
+		if (!LIST_IS_EMPTY(&private_display->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_display->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, "[No PP capability]\n");
+	}
+	TDM_SNPRINTF(reply, len, "\n");
+
+	if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
+		const char *sep = "";
+		TDM_SNPRINTF(reply, len, "[Capture information]\n");
+		TDM_SNPRINTF(reply, len, "caps\t: ");
+		tdm_capture_caps_str(private_display->caps_capture.capabilities, &reply, len);
+		TDM_SNPRINTF(reply, len, "\n");
+		TDM_SNPRINTF(reply, len, "formats\t: ");
+		for (i = 0; i < private_display->caps_capture.format_count; i++) {
+			if (private_display->caps_capture.formats[i] == 0)
+				continue;
+			TDM_SNPRINTF(reply, len, "%s%c%c%c%c", sep, FOURCC_STR(private_display->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_display->caps_capture.min_w),
+					 TDM_FRONT_VALUE(private_display->caps_capture.min_h),
+					 TDM_FRONT_VALUE(private_display->caps_capture.max_w),
+					 TDM_FRONT_VALUE(private_display->caps_capture.max_h),
+					 TDM_FRONT_VALUE(private_display->caps_capture.preferred_align));
+		if (!LIST_IS_EMPTY(&private_display->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_display->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, "[No Capture capability]\n");
+	}
+	TDM_SNPRINTF(reply, len, "\n");
+}
+
+EXTERN int
+tdm_helper_commit_per_vblank_enabled(tdm_display *dpy)
+{
+	TDM_ERR("the deprecated function, use 'tdm_helper_output_commit_per_vblank_enabled' instead.");
+
+	return 0;
+}
+
+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;
+}
+