| /* | 
 |   Simple DirectMedia Layer | 
 |   Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org> | 
 |  | 
 |   This software is provided 'as-is', without any express or implied | 
 |   warranty.  In no event will the authors be held liable for any damages | 
 |   arising from the use of this software. | 
 |  | 
 |   Permission is granted to anyone to use this software for any purpose, | 
 |   including commercial applications, and to alter it and redistribute it | 
 |   freely, subject to the following restrictions: | 
 |  | 
 |   1. The origin of this software must not be misrepresented; you must not | 
 |      claim that you wrote the original software. If you use this software | 
 |      in a product, an acknowledgment in the product documentation would be | 
 |      appreciated but is not required. | 
 |   2. Altered source versions must be plainly marked as such, and must not be | 
 |      misrepresented as being the original software. | 
 |   3. This notice may not be removed or altered from any source distribution. | 
 | */ | 
 |  | 
 | /** | 
 |  *  \file SDL_opengles2.h | 
 |  * | 
 |  *  This is a simple file to encapsulate the OpenGL ES 2.0 API headers. | 
 |  */ | 
 | #include "SDL_config.h" | 
 |  | 
 | #if !defined(_MSC_VER) && !defined(SDL_USE_BUILTIN_OPENGL_DEFINITIONS) | 
 |  | 
 | #ifdef __IPHONEOS__ | 
 | #include <OpenGLES/ES2/gl.h> | 
 | #include <OpenGLES/ES2/glext.h> | 
 | #else | 
 | #include <GLES2/gl2platform.h> | 
 | #include <GLES2/gl2.h> | 
 | #include <GLES2/gl2ext.h> | 
 | #endif | 
 |  | 
 | #else /* _MSC_VER */ | 
 |  | 
 | /* OpenGL ES2 headers for Visual Studio */ | 
 | #include "SDL_opengles2_khrplatform.h" | 
 | #include "SDL_opengles2_gl2platform.h" | 
 | #include "SDL_opengles2_gl2.h" | 
 | #include "SDL_opengles2_gl2ext.h" | 
 |  | 
 | #endif /* _MSC_VER */ | 
 |  | 
 | #ifndef APIENTRY | 
 | #define APIENTRY GL_APIENTRY | 
 | #endif |