gstreamer/gst-libs/gst/gl/gstglapi.h
Nirbheek Chauhan 6106816f50 gstgl: Add GST_EXPORT to all symbols used on Windows
This is a requirement for those symbols to be exported in gstgl-1.0.dll
when building with the MSVC compiler
2017-12-09 19:32:23 +00:00

189 lines
4.9 KiB
C

/*
* GStreamer
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_GL_API_H__
#define __GST_GL_API_H__
#include <gst/gl/gstglconfig.h>
/* This mimic GCC behaviour with system headers files even if GL headers may
* not be in the system header path. */
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wredundant-decls"
#endif
/* OpenGL 2.0 for Embedded Systems */
#if GST_GL_HAVE_GLES2
#ifndef GL_GLEXT_PROTOTYPES
#define GL_GLEXT_PROTOTYPES 1
#endif
# if GST_GL_HAVE_PLATFORM_EAGL
# include <OpenGLES/ES2/gl.h>
# include <OpenGLES/ES2/glext.h>
# else
# if GST_GL_HAVE_GLES3
# include <GLES3/gl3.h>
# include <GLES3/gl3ext.h>
# else
# include <GLES2/gl2.h>
# include <GLES2/gl2ext.h>
# endif
# endif
# if !GST_GL_HAVE_OPENGL
# include <gst/gl/glprototypes/gstgl_gles2compat.h>
# endif
#endif
/* OpenGL for desktop systems */
#if GST_GL_HAVE_OPENGL
# ifdef __APPLE__
# include <OpenGL/OpenGL.h>
# include <OpenGL/gl.h>
# if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
# define GL_DO_NOT_WARN_IF_MULTI_GL_VERSION_HEADERS_INCLUDED
# include <OpenGL/gl3.h>
# endif
# else
# if defined(_MSC_VER)
# include <windows.h>
# endif
# include <GL/gl.h>
# if defined(__WIN32__) || defined(_WIN32)
# include <GL/glext.h>
# endif
# endif
#endif
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
#if defined(WINAPI) && !defined(_MSC_VER)
#define GSTGLAPI WINAPI
#else
#define GSTGLAPI
#endif
#include <gst/gl/glprototypes/gstgl_compat.h>
#include <gst/gst.h>
G_BEGIN_DECLS
/**
* GstGLAPI:
* @GST_GL_API_NONE: no API
* @GST_GL_API_OPENGL: Desktop OpenGL up to and including 3.1. The
* compatibility profile when the OpenGL version is >= 3.2
* @GST_GL_API_OPENGL3: Desktop OpenGL >= 3.2 core profile
* @GST_GL_API_GLES1: OpenGL ES 1.x
* @GST_GL_API_GLES2: OpenGL ES 2.x and 3.x
* @GST_GL_API_ANY: Any OpenGL API
*/
typedef enum {
GST_GL_API_NONE = 0,
GST_GL_API_OPENGL = (1 << 0),
GST_GL_API_OPENGL3 = (1 << 1),
GST_GL_API_GLES1 = (1 << 15),
GST_GL_API_GLES2 = (1 << 16),
GST_GL_API_ANY = G_MAXUINT32
} GstGLAPI;
/**
* GST_GL_API_OPENGL_NAME:
*
* The name for %GST_GL_API_OPENGL used in various places
*/
#define GST_GL_API_OPENGL_NAME "opengl"
/**
* GST_GL_API_OPENGL3_NAME:
*
* The name for %GST_GL_API_OPENGL3 used in various places
*/
#define GST_GL_API_OPENGL3_NAME "opengl3"
/**
* GST_GL_API_GLES1_NAME:
*
* The name for %GST_GL_API_GLES1 used in various places
*/
#define GST_GL_API_GLES1_NAME "gles1"
/**
* GST_GL_API_GLES2_NAME:
*
* The name for %GST_GL_API_GLES2 used in various places
*/
#define GST_GL_API_GLES2_NAME "gles2"
/**
* GstGLPlatform:
* @GST_GL_PLATFORM_NONE: no platform
* @GST_GL_PLATFORM_EGL: the EGL platform used primarily with the X11, wayland
* and android window systems as well as on embedded Linux
* @GST_GL_PLATFORM_GLX: the GLX platform used primarily with the X11 window system
* @GST_GL_PLATFORM_WGL: the WGL platform used primarily on Windows
* @GST_GL_PLATFORM_CGL: the CGL platform used primarily on OS X
* @GST_GL_PLATFORM_EAGL: the EAGL platform used primarily on iOS
* @GST_GL_PLATFORM_ANY: any OpenGL platform
*/
typedef enum
{
GST_GL_PLATFORM_NONE = 0,
GST_GL_PLATFORM_EGL = (1 << 0),
GST_GL_PLATFORM_GLX = (1 << 1),
GST_GL_PLATFORM_WGL = (1 << 2),
GST_GL_PLATFORM_CGL = (1 << 3),
GST_GL_PLATFORM_EAGL = (1 << 4),
GST_GL_PLATFORM_ANY = G_MAXUINT32
} GstGLPlatform;
#define GST_GL_EXT_BEGIN(name, gl_availability, min_gl, maj_gl, gles_maj, \
gles_min, ext_suf, ext_name)
#define GST_GL_EXT_FUNCTION(ret, name, args) \
ret (GSTGLAPI *name) args;
#define GST_GL_EXT_END()
typedef struct _GstGLFuncs
{
#include <gst/gl/glprototypes/all_functions.h>
gpointer padding[GST_PADDING_LARGE*6];
} GstGLFuncs;
#undef GST_GL_EXT_BEGIN
#undef GST_GL_EXT_FUNCTION
#undef GST_GL_EXT_END
GST_EXPORT
gchar * gst_gl_api_to_string (GstGLAPI api);
GST_EXPORT
GstGLAPI gst_gl_api_from_string (const gchar * api_s);
GST_EXPORT
gchar * gst_gl_platform_to_string (GstGLPlatform platform);
GST_EXPORT
GstGLPlatform gst_gl_platform_from_string (const gchar * platform_s);
G_END_DECLS
#endif /* __GST_GL_API_H__ */