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 <sc1.lim@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
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
27 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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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
71 * The filename extension should be "png" for TBM_FORMAT_ARGB8888 and TBM_FORMAT_XRGB8888
72 * or "yuv" for YUV formats.
73 * @param[in] buffer A TDM buffer
74 * @param[in] file The path of file.
77 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file);
80 * @brief Dump a buffer.
82 * The filename will includes the buffer information. (width, height, format)
83 * @param[in] buffer A TDM buffer
84 * @param[in] file The path of file.
87 tdm_helper_dump_buffer_str(tbm_surface_h buffer, char *dir, char *str);
90 * @brief fill a buffer with 0 for given pos.
92 * This function supports only if a buffer has below formats.
93 * - TBM_FORMAT_ARGB8888
94 * - TBM_FORMAT_XRGB8888
95 * @param[in] buffer A TDM buffer
98 tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos);
101 * @brief fill a buffer with 0 for given pos.
103 * This function supports only if a buffer has below formats.
104 * - TBM_FORMAT_ARGB8888
105 * - TBM_FORMAT_XRGB8888
106 * @param[in] buffer A TDM buffer
109 tdm_helper_clear_buffer_color(tbm_surface_h buffer, tdm_pos *pos, unsigned int color);
112 * @brief fill a buffer with 0.
114 * This function supports only if a buffer has below formats.
115 * - TBM_FORMAT_ARGB8888
116 * - TBM_FORMAT_XRGB8888
117 * - TBM_FORMAT_YVU420
118 * - TBM_FORMAT_YUV420
123 * @param[in] buffer A TDM buffer
126 tdm_helper_clear_buffer(tbm_surface_h buffer);
129 * @brief Get the buffer full size.
131 * In some hardware, the buffer width or height is aligned with the fixed size.
132 * eg. 8, 16, etc. In this case, the real size of buffer could be bigger than
133 * the buffer size of tbm_surface_info_s.
134 * @param[in] buffer A TDM buffer
137 tdm_helper_get_buffer_full_size(tbm_surface_h buffer, int *buffer_w, int *buffer_h);
140 * @brief convert the source buffer to the destination buffer with given rectangles
143 * This function supports only if buffers have below formats.
144 * - TBM_FORMAT_ARGB8888
145 * - TBM_FORMAT_XRGB8888
146 * @param[in] buffer A TDM buffer
149 tdm_helper_convert_buffer(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
150 tdm_pos *srcpos, tdm_pos *dstpos,
151 tdm_transform transform, int over);
154 * @brief Get a fd from the given enviroment variable.
156 * This function will dup the fd of the given enviroment variable. The Caller
157 * @b SHOULD close the fd.
158 * @param[in] env The given enviroment variable
159 * @return fd if success. Otherwise, -1.
160 * @see #tdm_helper_set_fd()
162 int tdm_helper_get_fd(const char *env);
165 * @brief Set the given fd to the give enviroment variable.
166 * @param[in] env The given enviroment variable
167 * @param[in] fd The given fd
168 * @see #tdm_helper_get_fd()
170 void tdm_helper_set_fd(const char *env, int fd);
173 * @brief Start the dump debugging.
176 * Make dump file when tdm_layer_set_buffer() function is called.
177 * Set the dump count to 1.
178 * @param[in] dumppath The given dump path
179 * @param[in] count The dump count number
180 * @see #tdm_helper_dump_stop()
183 tdm_helper_dump_start(char *dumppath, int *count);
186 * @brief Stop the dump debugging.
189 * Set the dump count to 0.
190 * @see #tdm_helper_dump_start()
193 tdm_helper_dump_stop(void);
196 * @brief The tdm helper capture handler
198 * This handler will be called when composit image produced.
199 * @see #tdm_helper_capture_output() function
201 typedef void (*tdm_helper_capture_handler)(tbm_surface_h buffer, void *user_data);
204 * @brief Make an output's image surface.
205 * @details Composit specific output's all layer's buffer to dst_buffer surface.
206 * After composing, tdm_helper_capture_handler func will be called.
207 * @param[in] output A output object
208 * @param[in] dst_buffer A surface composite image saved
209 * @param[in] x A horizontal position of composite image on dst_buffer
210 * @param[in] y A vertical position of composite image on dst_buffer
211 * @param[in] w A composite image width
212 * @param[in] h A composite image height
213 * @param[in] func A composing done handler
214 * @param[in] user_data The user data
215 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
218 tdm_helper_capture_output(tdm_output *output, tbm_surface_h dst_buffer,
219 int x, int y, int w, int h,
220 tdm_helper_capture_handler func, void *data);
223 * @brief Fill the display information to the reply buffer as string.
224 * @param[in] dpy A display object
225 * @param[out] reply the string buffer to be filled by this function.
226 * @param[out] len the length of the reply buffer
229 tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len);
232 * @brief Get whether the commit-per-vblank functionality is enabled or not for the output.
233 * @param[in] output An output the functionality has to be checked for
234 * @return -1 if error occurred, 1 if enabled, 0 if disabled.
237 tdm_helper_output_commit_per_vblank_enabled(tdm_output *output);
240 * @brief Get whether the vblank timer is expired or not for the output.
241 * @param[in] output An output the functionality has to be checked for
242 * @return -1 if error occurred, 1 if enabled, 0 if disabled.
245 tdm_helper_output_vblank_timer_expired(tdm_output *output);
251 #endif /* _TDM_HELPER_H_ */