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68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
#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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