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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34 **************************************************************************/
36 #ifndef _TDM_HELPER_H_
37 #define _TDM_HELPER_H_
39 #include "tdm_types.h"
40 #include <tbm_surface.h>
48 * @brief The header file to help tdm backend/frontend user
52 * @brief Get the current time as a floating point value in seconds
53 * @return The number of seconds
56 tdm_helper_get_time(void);
59 * @brief Dump a buffer
61 * This function supports only if a buffer has below formats.
62 * - TBM_FORMAT_ARGB8888
63 * - TBM_FORMAT_XRGB8888
70 * The filename extension should be "png" for TBM_FORMAT_ARGB8888 and TBM_FORMAT_XRGB8888
71 * or "yuv" for YUV formats.
72 * @param[in] buffer A TDM buffer
73 * @param[in] file The path of file.
76 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file);
79 * @brief fill a buffer with 0 for given pos.
81 * This function supports only if a buffer has below formats.
82 * - TBM_FORMAT_ARGB8888
83 * - TBM_FORMAT_XRGB8888
84 * @param[in] buffer A TDM buffer
87 tdm_helper_clear_buffer_pos(tbm_surface_h buffer, tdm_pos *pos);
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_color(tbm_surface_h buffer, tdm_pos *pos, unsigned int color);
101 * @brief fill a buffer with 0.
103 * This function supports only if a buffer has below formats.
104 * - TBM_FORMAT_ARGB8888
105 * - TBM_FORMAT_XRGB8888
106 * - TBM_FORMAT_YVU420
107 * - TBM_FORMAT_YUV420
112 * @param[in] buffer A TDM buffer
115 tdm_helper_clear_buffer(tbm_surface_h buffer);
118 * @brief Get the buffer full size.
120 * In some hardware, the buffer width or height is aligned with the fixed size.
121 * eg. 8, 16, etc. In this case, the real size of buffer could be bigger than
122 * the buffer size of tbm_surface_info_s.
123 * @param[in] buffer A TDM buffer
126 tdm_helper_get_buffer_full_size(tbm_surface_h buffer, int *buffer_w, int *buffer_h);
129 * @brief convert the source buffer to the destination buffer with given rectangles
132 * This function supports only if buffers have below formats.
133 * - TBM_FORMAT_ARGB8888
134 * - TBM_FORMAT_XRGB8888
135 * @param[in] buffer A TDM buffer
138 tdm_helper_convert_buffer(tbm_surface_h srcbuf, tbm_surface_h dstbuf,
139 tdm_pos *srcpos, tdm_pos *dstpos,
140 tdm_transform transform, int over);
143 * @brief Get a fd from the given enviroment variable.
145 * This function will dup the fd of the given enviroment variable. The Caller
146 * @b SHOULD close the fd.
148 * In DRM system, a drm-master-fd @b SHOULD be shared between TDM backend and
149 * TBM backend in display server side by using "TDM_DRM_MASTER_FD"
150 * and "TBM_DRM_MASTER_FD".
151 * @param[in] env The given enviroment variable
152 * @return fd if success. Otherwise, -1.
153 * @see #tdm_helper_set_fd()
155 int tdm_helper_get_fd(const char *env);
158 * @brief Set the given fd to the give enviroment variable.
160 * In DRM system, a drm-master-fd @b SHOULD be shared between TDM backend and
161 * TBM backend in display server side by using "TDM_DRM_MASTER_FD"
162 * and "TBM_DRM_MASTER_FD".
163 * @param[in] env The given enviroment variable
164 * @param[in] fd The given fd
165 * @see #tdm_helper_get_fd()
167 void tdm_helper_set_fd(const char *env, int fd);
170 * @brief Start the dump debugging.
173 * Make dump file when tdm_layer_set_buffer() function is called.
174 * Set the dump count to 1.
175 * @param[in] dumppath The given dump path
176 * @param[in] count The dump count number
177 * @see #tdm_helper_dump_stop()
180 tdm_helper_dump_start(char *dumppath, int *count);
183 * @brief Stop the dump debugging.
186 * Set the dump count to 0.
187 * @see #tdm_helper_dump_start()
190 tdm_helper_dump_stop(void);
193 * @brief The tdm helper capture handler
195 * This handler will be called when composit image produced.
196 * @see #tdm_helper_capture_output() function
198 typedef void (*tdm_helper_capture_handler)(tbm_surface_h buffer, void *user_data);
201 * @brief Make an output's image surface.
202 * @details Composit specific output's all layer's buffer to dst_buffer surface.
203 * After composing, tdm_helper_capture_handler func will be called.
204 * @param[in] output A output object
205 * @param[in] dst_buffer A surface composite image saved
206 * @param[in] x A horizontal position of composite image on dst_buffer
207 * @param[in] y A vertical position of composite image on dst_buffer
208 * @param[in] w A composite image width
209 * @param[in] h A composite image height
210 * @param[in] func A composing done handler
211 * @param[in] user_data The user data
212 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
215 tdm_helper_capture_output(tdm_output *output, tbm_surface_h dst_buffer,
216 int x, int y, int w, int h,
217 tdm_helper_capture_handler func, void *data);
220 * @brief Fill the display information to the reply buffer as string.
221 * @param[in] dpy A display object
222 * @param[out] reply the string buffer to be filled by this function.
223 * @param[out] len the length of the reply buffer
226 tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len);
229 * @brief Get whether the commit-per-vblank functionality is enabled or not.
230 * @param[in] dpy A display object
231 * @return 1 if enabled. Otherwise, 0.
234 tdm_helper_commit_per_vblank_enabled(tdm_display *dpy);
240 #endif /* _TDM_HELPER_H_ */