1 /**************************************************************************
5 * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
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 <boram1288.park@samsung.com>
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15 * copy of this software and associated documentation files (the
16 * "Software"), to deal in the Software without restriction, including
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19 * permit persons to whom the Software is furnished to do so, subject to
20 * the following conditions:
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
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34 **************************************************************************/
36 #ifndef _TDM_HELPER_H_
37 #define _TDM_HELPER_H_
39 #include <tbm_surface.h>
41 #include "tdm_types.h"
49 * @brief The header file to help tdm backend/frontend user
53 * @brief Get the current time as a floating point value in seconds
54 * @return The number of seconds
57 tdm_helper_get_time(void);
60 * @brief Dump a buffer
62 * This function supports only if a buffer has below formats.
63 * - TBM_FORMAT_ARGB8888
64 * - TBM_FORMAT_XRGB8888
69 * The filename extension should be "png" for TBM_FORMAT_ARGB8888 and TBM_FORMAT_XRGB8888
70 * or "yuv" for YUV formats.
71 * @param[in] buffer A TDM buffer
72 * @param[in] file The path of file.
75 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file);
78 * @brief Dump a buffer.
80 * The filename will includes the buffer information. (width, height, format)
81 * @param[in] buffer A TDM buffer
82 * @param[in] file The path of file.
85 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str);
88 * @brief fill a buffer with 0 for given pos.
90 * This function supports only if a buffer has below formats.
91 * - TBM_FORMAT_ARGB8888
92 * - TBM_FORMAT_XRGB8888
93 * @param[in] buffer A TDM buffer
96 tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos);
99 * @brief fill a buffer with 0 for given pos.
101 * This function supports only if a buffer has below formats.
102 * - TBM_FORMAT_ARGB8888
103 * - TBM_FORMAT_XRGB8888
104 * @param[in] buffer A TDM buffer
107 tdm_helper_clear_buffer_color(tbm_surface_h buffer, tdm_pos *pos, unsigned int color);
110 * @brief fill a buffer with 0.
112 * This function supports only if a buffer has below formats.
113 * - TBM_FORMAT_ARGB8888
114 * - TBM_FORMAT_XRGB8888
115 * - TBM_FORMAT_YVU420
116 * - TBM_FORMAT_YUV420
119 * @param[in] buffer A TDM buffer
122 tdm_helper_clear_buffer(tbm_surface_h buffer);
125 * @brief Get the buffer full size.
127 * In some hardware, the buffer width or height is aligned with the fixed size.
128 * eg. 8, 16, etc. In this case, the real size of buffer could be bigger than
129 * the buffer size of tbm_surface_info_s.
130 * @param[in] buffer A TDM buffer
133 tdm_helper_get_buffer_full_size(tbm_surface_h buffer, int *buffer_w, int *buffer_h);
136 * @brief convert the source buffer to the destination buffer with given rectangles
139 * This function supports only if buffers have below formats.
140 * - TBM_FORMAT_ARGB8888
141 * - TBM_FORMAT_XRGB8888
142 * @param[in] buffer A TDM buffer
145 tdm_helper_convert_buffer(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
146 tdm_pos *srcpos, tdm_pos *dstpos,
147 tdm_transform transform, int over);
150 * @brief Get a fd from the given enviroment variable.
152 * This function will dup the fd of the given enviroment variable. The Caller
153 * @b SHOULD close the fd.
154 * @param[in] env The given enviroment variable
155 * @return fd if success. Otherwise, -1.
156 * @see #tdm_helper_set_fd()
158 int tdm_helper_get_fd(const char *env);
161 * @brief Set the given fd to the give enviroment variable.
162 * @param[in] env The given enviroment variable
163 * @param[in] fd The given fd
164 * @see #tdm_helper_get_fd()
166 void tdm_helper_set_fd(const char *env, int fd);
169 * @brief Start the dump debugging.
172 * Make dump file when tdm_layer_set_buffer() function is called.
173 * Set the dump count to 1.
174 * @param[in] dumppath The given dump path
175 * @param[in] count The dump count number
176 * @see #tdm_helper_dump_stop()
179 tdm_helper_dump_start(char *dumppath, int *count);
182 * @brief Stop the dump debugging.
185 * Set the dump count to 0.
186 * @see #tdm_helper_dump_start()
189 tdm_helper_dump_stop(void);
192 * @brief The tdm helper capture handler
194 * This handler will be called when composit image produced.
195 * @see #tdm_helper_capture_output() function
197 typedef void (*tdm_helper_capture_handler)(tbm_surface_h buffer, void *user_data);
200 * @brief Make an output's image surface.
201 * @details Composit specific output's all layer's buffer to dst_buffer surface.
202 * After composing, tdm_helper_capture_handler func will be called.
203 * @param[in] output A output object
204 * @param[in] dst_buffer A surface composite image saved
205 * @param[in] x A horizontal position of composite image on dst_buffer
206 * @param[in] y A vertical position of composite image on dst_buffer
207 * @param[in] w A composite image width
208 * @param[in] h A composite image height
209 * @param[in] func A composing done handler
210 * @param[in] user_data The user data
211 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
214 tdm_helper_capture_output(tdm_output *output, tbm_surface_h dst_buffer,
215 int x, int y, int w, int h,
216 tdm_helper_capture_handler func, void *data);
219 * @brief Fill the display information to the reply buffer as string.
220 * @param[in] dpy A display object
221 * @param[out] reply the string buffer to be filled by this function.
222 * @param[out] len the length of the reply buffer
225 tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len);
228 * @brief Get whether the commit-per-vblank functionality is enabled or not for the output.
229 * @param[in] output An output the functionality has to be checked for
230 * @return -1 if error occurred, 1 if enabled, 0 if disabled.
233 tdm_helper_output_commit_per_vblank_enabled(tdm_output *output);
236 * @brief Get whether the vblank timer is expired or not for the output.
237 * @param[in] output An output the functionality has to be checked for
238 * @return -1 if error occurred, 1 if enabled, 0 if disabled.
241 tdm_helper_output_vblank_timer_expired(tdm_output *output);
247 #endif /* _TDM_HELPER_H_ */