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73af514e1a
Some OpenGL drivers do not ship this but use GLES2/gl2ext.h instead. This is also in line with Khronos's recommendations https://bugzilla.gnome.org/show_bug.cgi?id=781885
189 lines
4.8 KiB
C
189 lines
4.8 KiB
C
/*
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* GStreamer
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* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_GL_API_H__
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#define __GST_GL_API_H__
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#include <gst/gl/gstglconfig.h>
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/* This mimic GCC behaviour with system headers files even if GL headers may
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* not be in the system header path. */
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#ifdef __GNUC__
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wredundant-decls"
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#endif
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/* OpenGL 2.0 for Embedded Systems */
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#if GST_GL_HAVE_GLES2
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# if GST_GL_HAVE_PLATFORM_EAGL
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# include <OpenGLES/ES2/gl.h>
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# include <OpenGLES/ES2/glext.h>
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# else
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# if GST_GL_HAVE_GLES3
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# include <GLES3/gl3.h>
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# if GST_GL_HAVE_GLES3EXT3_H
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# include <GLES3/gl3ext.h>
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# endif
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# include <GLES2/gl2ext.h>
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# else
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# include <GLES2/gl2.h>
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# include <GLES2/gl2ext.h>
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# endif
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# endif
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# if !GST_GL_HAVE_OPENGL
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# include <gst/gl/glprototypes/gstgl_gles2compat.h>
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# endif
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#endif
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/* OpenGL for desktop systems */
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#if GST_GL_HAVE_OPENGL
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# ifdef __APPLE__
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# include <OpenGL/OpenGL.h>
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# include <OpenGL/gl.h>
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# if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
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# define GL_DO_NOT_WARN_IF_MULTI_GL_VERSION_HEADERS_INCLUDED
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# include <OpenGL/gl3.h>
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# endif
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# else
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# if defined(_MSC_VER)
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# include <windows.h>
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# endif
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# include <GL/gl.h>
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# if defined(__WIN32__) || defined(_WIN32)
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# include <GL/glext.h>
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# endif
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# endif
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#endif
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#ifdef __GNUC__
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#pragma GCC diagnostic pop
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#endif
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#if defined(WINAPI)
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#define GSTGLAPI WINAPI
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#else
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#define GSTGLAPI
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#endif
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#include <gst/gl/glprototypes/gstgl_compat.h>
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#include <gst/gst.h>
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G_BEGIN_DECLS
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/**
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* GstGLAPI:
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* @GST_GL_API_NONE: no API
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* @GST_GL_API_OPENGL: Desktop OpenGL up to and including 3.1. The
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* compatibility profile when the OpenGL version is >= 3.2
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* @GST_GL_API_OPENGL3: Desktop OpenGL >= 3.2 core profile
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* @GST_GL_API_GLES1: OpenGL ES 1.x
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* @GST_GL_API_GLES2: OpenGL ES 2.x and 3.x
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* @GST_GL_API_ANY: Any OpenGL API
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*/
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typedef enum {
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GST_GL_API_NONE = 0,
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GST_GL_API_OPENGL = (1 << 0),
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GST_GL_API_OPENGL3 = (1 << 1),
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GST_GL_API_GLES1 = (1 << 15),
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GST_GL_API_GLES2 = (1 << 16),
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GST_GL_API_ANY = G_MAXUINT32
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} GstGLAPI;
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/**
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* GST_GL_API_OPENGL_NAME:
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*
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* The name for %GST_GL_API_OPENGL used in various places
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*/
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#define GST_GL_API_OPENGL_NAME "opengl"
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/**
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* GST_GL_API_OPENGL3_NAME:
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*
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* The name for %GST_GL_API_OPENGL3 used in various places
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*/
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#define GST_GL_API_OPENGL3_NAME "opengl3"
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/**
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* GST_GL_API_GLES1_NAME:
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*
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* The name for %GST_GL_API_GLES1 used in various places
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*/
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#define GST_GL_API_GLES1_NAME "gles1"
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/**
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* GST_GL_API_GLES2_NAME:
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*
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* The name for %GST_GL_API_GLES2 used in various places
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*/
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#define GST_GL_API_GLES2_NAME "gles2"
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/**
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* GstGLPlatform:
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* @GST_GL_PLATFORM_NONE: no platform
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* @GST_GL_PLATFORM_EGL: the EGL platform used primarily with the X11, wayland
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* and android window systems as well as on embedded Linux
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* @GST_GL_PLATFORM_GLX: the GLX platform used primarily with the X11 window system
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* @GST_GL_PLATFORM_WGL: the WGL platform used primarily on Windows
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* @GST_GL_PLATFORM_CGL: the CGL platform used primarily on OS X
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* @GST_GL_PLATFORM_EAGL: the EAGL platform used primarily on iOS
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* @GST_GL_PLATFORM_ANY: any OpenGL platform
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*/
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typedef enum
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{
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GST_GL_PLATFORM_NONE = 0,
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GST_GL_PLATFORM_EGL = (1 << 0),
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GST_GL_PLATFORM_GLX = (1 << 1),
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GST_GL_PLATFORM_WGL = (1 << 2),
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GST_GL_PLATFORM_CGL = (1 << 3),
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GST_GL_PLATFORM_EAGL = (1 << 4),
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GST_GL_PLATFORM_ANY = G_MAXUINT32
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} GstGLPlatform;
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#define GST_GL_EXT_BEGIN(name, gl_availability, min_gl, maj_gl, gles_maj, \
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gles_min, ext_suf, ext_name)
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#define GST_GL_EXT_FUNCTION(ret, name, args) \
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ret (GSTGLAPI *name) args;
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#define GST_GL_EXT_END()
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typedef struct _GstGLFuncs
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{
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#include <gst/gl/glprototypes/all_functions.h>
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gpointer padding[GST_PADDING_LARGE*6];
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} GstGLFuncs;
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#undef GST_GL_EXT_BEGIN
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#undef GST_GL_EXT_FUNCTION
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#undef GST_GL_EXT_END
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GST_EXPORT
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gchar * gst_gl_api_to_string (GstGLAPI api);
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GST_EXPORT
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GstGLAPI gst_gl_api_from_string (const gchar * api_s);
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GST_EXPORT
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gchar * gst_gl_platform_to_string (GstGLPlatform platform);
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GST_EXPORT
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GstGLPlatform gst_gl_platform_from_string (const gchar * platform_s);
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G_END_DECLS
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#endif /* __GST_GL_API_H__ */
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