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 Dump a buffer
54 * This function supports only if a buffer has below formats.
55 * - TBM_FORMAT_ARGB8888
56 * - TBM_FORMAT_XRGB8888
63 * The filename extension should be "png" for TBM_FORMAT_ARGB8888 and TBM_FORMAT_XRGB8888
64 * or "yuv" for YUV formats.
65 * @param[in] buffer A TDM buffer
66 * @param[in] file The path of file.
69 tdm_helper_dump_buffer(tbm_surface_h buffer, const char *file);
72 * @brief Get a fd from the given enviroment variable.
74 * This function will dup the fd of the given enviroment variable. The Caller
75 * @b SHOULD close the fd.
77 * In DRM system, a drm-master-fd @b SHOULD be shared between TDM backend and
78 * TBM backend in display server side by using "TDM_DRM_MASTER_FD"
79 * and "TBM_DRM_MASTER_FD".
80 * @param[in] env The given enviroment variable
81 * @return fd if success. Otherwise, -1.
82 * @see #tdm_helper_set_fd()
84 int tdm_helper_get_fd(const char *env);
87 * @brief Set the given fd to the give enviroment variable.
89 * In DRM system, a drm-master-fd @b SHOULD be shared between TDM backend and
90 * TBM backend in display server side by using "TDM_DRM_MASTER_FD"
91 * and "TBM_DRM_MASTER_FD".
92 * @param[in] env The given enviroment variable
93 * @param[in] fd The given fd
94 * @see #tdm_helper_get_fd()
96 void tdm_helper_set_fd(const char *env, int fd);
99 * @brief Start the dump debugging.
102 * Make dump file when tdm_layer_set_buffer() function is called.
103 * Set the dump count to 1.
104 * @param[in] dumppath The given dump path
105 * @param[in] count The dump count number
106 * @see #tdm_helper_dump_stop()
109 tdm_helper_dump_start(char *dumppath, int *count);
112 * @brief Stop the dump debugging.
115 * Set the dump count to 0.
116 * @see #tdm_helper_dump_start()
119 tdm_helper_dump_stop(void);
122 * @brief The tdm helper capture handler
124 * This handler will be called when composit image produced.
125 * @see #tdm_helper_capture_output() function
127 typedef void (*tdm_helper_capture_handler)(tbm_surface_h buffer, void *user_data);
130 * @brief Make an output's image surface.
131 * @details Composit specific output's all layer's buffer to dst_buffer surface.
132 * After composing, tdm_helper_capture_handler func will be called.
133 * @param[in] output A output object
134 * @param[in] dst_buffer A surface composite image saved
135 * @param[in] x A horizontal position of composite image on dst_buffer
136 * @param[in] y A vertical position of composite image on dst_buffer
137 * @param[in] w A composite image width
138 * @param[in] h A composite image height
139 * @param[in] func A composing done handler
140 * @param[in] user_data The user data
141 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
144 tdm_helper_capture_output(tdm_output *output, tbm_surface_h dst_buffer,
145 int x, int y, int w, int h,
146 tdm_helper_capture_handler func, void *data);
151 #endif /* _TDM_HELPER_H_ */