122 lines
3.6 KiB
C
122 lines
3.6 KiB
C
/*****************************************************************************
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* vlc_opengl.h: VLC GL API
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*****************************************************************************
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* Copyright (C) 2009 Laurent Aimar
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* Copyright (C) 2011 Rémi Denis-Courmont
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*
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* Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef VLC_GL_H
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#define VLC_GL_H 1
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/**
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* \file
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* This file defines GL structures and functions.
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*/
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struct vout_window_t;
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struct vout_window_cfg_t;
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/**
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* A VLC GL context (and its underlying surface)
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*/
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typedef struct vlc_gl_t vlc_gl_t;
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struct vlc_gl_t
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{
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VLC_COMMON_MEMBERS
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struct vout_window_t *surface;
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module_t *module;
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void *sys;
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int (*makeCurrent)(vlc_gl_t *);
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void (*releaseCurrent)(vlc_gl_t *);
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void (*resize)(vlc_gl_t *, unsigned, unsigned);
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void (*swap)(vlc_gl_t *);
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void*(*getProcAddress)(vlc_gl_t *, const char *);
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enum {
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VLC_GL_EXT_DEFAULT,
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VLC_GL_EXT_EGL,
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VLC_GL_EXT_WGL,
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} ext;
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union {
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/* if ext == VLC_GL_EXT_EGL */
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struct {
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/* call eglQueryString() with current display */
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const char *(*queryString)(vlc_gl_t *, int32_t name);
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/* call eglCreateImageKHR() with current display and context, can
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* be NULL */
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void *(*createImageKHR)(vlc_gl_t *, unsigned target, void *buffer,
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const int32_t *attrib_list);
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/* call eglDestroyImageKHR() with current display, can be NULL */
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bool (*destroyImageKHR)(vlc_gl_t *, void *image);
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} egl;
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/* if ext == VLC_GL_EXT_WGL */
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struct
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{
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const char *(*getExtensionsString)(vlc_gl_t *);
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} wgl;
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};
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};
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enum {
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VLC_OPENGL,
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VLC_OPENGL_ES2,
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};
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VLC_API vlc_gl_t *vlc_gl_Create(struct vout_window_t *, unsigned, const char *) VLC_USED;
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VLC_API void vlc_gl_Release(vlc_gl_t *);
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VLC_API void vlc_gl_Hold(vlc_gl_t *);
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static inline int vlc_gl_MakeCurrent(vlc_gl_t *gl)
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{
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return gl->makeCurrent(gl);
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}
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static inline void vlc_gl_ReleaseCurrent(vlc_gl_t *gl)
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{
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gl->releaseCurrent(gl);
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}
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static inline void vlc_gl_Resize(vlc_gl_t *gl, unsigned w, unsigned h)
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{
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if (gl->resize != NULL)
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gl->resize(gl, w, h);
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}
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static inline void vlc_gl_Swap(vlc_gl_t *gl)
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{
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gl->swap(gl);
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}
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static inline void *vlc_gl_GetProcAddress(vlc_gl_t *gl, const char *name)
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{
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return (gl->getProcAddress != NULL) ? gl->getProcAddress(gl, name) : NULL;
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}
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VLC_API vlc_gl_t *vlc_gl_surface_Create(vlc_object_t *,
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const struct vout_window_cfg_t *,
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struct vout_window_t **) VLC_USED;
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VLC_API bool vlc_gl_surface_CheckSize(vlc_gl_t *, unsigned *w, unsigned *h);
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VLC_API void vlc_gl_surface_Destroy(vlc_gl_t *);
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#endif /* VLC_GL_H */
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