97 lines
3.6 KiB
C
97 lines
3.6 KiB
C
/*************************************************************************/
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/* bbutil.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef _UTILITY_H_INCLUDED
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#define _UTILITY_H_INCLUDED
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#include <EGL/egl.h>
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#include <GLES2/gl2.h>
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#include <screen/screen.h>
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#include <sys/platform.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern EGLDisplay egl_disp;
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extern EGLSurface egl_surf;
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enum RENDERING_API {GL_ES_1 = EGL_OPENGL_ES_BIT, GL_ES_2 = EGL_OPENGL_ES2_BIT, VG = EGL_OPENVG_BIT};
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/**
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* Initializes EGL, GL and loads a default font
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*
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* \param libscreen context that will be used for EGL setup
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* \return EXIT_SUCCESS if initialization succeeded otherwise EXIT_FAILURE
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*/
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int bbutil_init(screen_context_t ctx, enum RENDERING_API api);
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/**
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* Initializes EGL
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*
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* \param libscreen context that will be used for EGL setup
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* \return EXIT_SUCCESS if initialization succeeded otherwise EXIT_FAILURE
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*/
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int bbutil_init_egl(screen_context_t ctx, enum RENDERING_API api);
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/**
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* Initializes GL 1.1 for simple 2D rendering. GL2 initialization will be added at a later point.
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*
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* \return EXIT_SUCCESS if initialization succeeded otherwise EXIT_FAILURE
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*/
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int bbutil_init_gl2d();
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int bbutil_is_flipped();
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int bbutil_get_rotation();
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char *get_window_group_id();
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int bbutil_rotate_screen_surface(int angle);
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/**
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* Terminates EGL
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*/
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void bbutil_terminate();
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/**
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* Swaps default bbutil window surface to the screen
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*/
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void bbutil_swap();
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/**
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* Clears the screen of any existing text.
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* NOTE: must be called after a successful return from bbutil_init() or bbutil_init_egl() call
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*/
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void bbutil_clear();
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#ifdef __cplusplus
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};
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#endif
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#endif
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