1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*************************************************************************/
/* bbutil.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef _UTILITY_H_INCLUDED
#define _UTILITY_H_INCLUDED
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#include <screen/screen.h>
#include <sys/platform.h>
#ifdef __cplusplus
extern "C" {
#endif
extern EGLDisplay egl_disp;
extern EGLSurface egl_surf;
enum RENDERING_API {GL_ES_1 = EGL_OPENGL_ES_BIT, GL_ES_2 = EGL_OPENGL_ES2_BIT, VG = EGL_OPENVG_BIT};
/**
* Initializes EGL, GL and loads a default font
*
* \param libscreen context that will be used for EGL setup
* \return EXIT_SUCCESS if initialization succeeded otherwise EXIT_FAILURE
*/
int bbutil_init(screen_context_t ctx, enum RENDERING_API api);
/**
* Initializes EGL
*
* \param libscreen context that will be used for EGL setup
* \return EXIT_SUCCESS if initialization succeeded otherwise EXIT_FAILURE
*/
int bbutil_init_egl(screen_context_t ctx, enum RENDERING_API api);
/**
* Initializes GL 1.1 for simple 2D rendering. GL2 initialization will be added at a later point.
*
* \return EXIT_SUCCESS if initialization succeeded otherwise EXIT_FAILURE
*/
int bbutil_init_gl2d();
int bbutil_is_flipped();
int bbutil_get_rotation();
char *get_window_group_id();
int bbutil_rotate_screen_surface(int angle);
/**
* Terminates EGL
*/
void bbutil_terminate();
/**
* Swaps default bbutil window surface to the screen
*/
void bbutil_swap();
/**
* Clears the screen of any existing text.
* NOTE: must be called after a successful return from bbutil_init() or bbutil_init_egl() call
*/
void bbutil_clear();
#ifdef __cplusplus
};
#endif
#endif
|