*initHEADmaster

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diff --git a/source/3rd-party/SDL2/src/video/SDL_egl_c.h b/source/3rd-party/SDL2/src/video/SDL_egl_c.h
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index 0000000..d1c4129
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+++ b/source/3rd-party/SDL2/src/video/SDL_egl_c.h
@@ -0,0 +1,150 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2018 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.
+*/
+#include "../SDL_internal.h"
+
+#ifndef SDL_egl_h_
+#define SDL_egl_h_
+
+#if SDL_VIDEO_OPENGL_EGL
+
+#include "SDL_egl.h"
+
+#include "SDL_sysvideo.h"
+
+typedef struct SDL_EGL_VideoData
+{
+    void *egl_dll_handle, *dll_handle;
+    EGLDisplay egl_display;
+    EGLConfig egl_config;
+    int egl_swapinterval;
+    int egl_surfacetype;
+    int egl_version_major, egl_version_minor;
+    
+    EGLDisplay(EGLAPIENTRY *eglGetDisplay) (NativeDisplayType display);
+    EGLDisplay(EGLAPIENTRY *eglGetPlatformDisplay) (EGLenum platform,
+                                void *native_display,
+                                const EGLint *attrib_list);
+    EGLDisplay(EGLAPIENTRY *eglGetPlatformDisplayEXT) (EGLenum platform,
+                                void *native_display,
+                                const EGLint *attrib_list);
+    EGLBoolean(EGLAPIENTRY *eglInitialize) (EGLDisplay dpy, EGLint * major,
+                                EGLint * minor);
+    EGLBoolean(EGLAPIENTRY  *eglTerminate) (EGLDisplay dpy);
+    
+    void *(EGLAPIENTRY *eglGetProcAddress) (const char * procName);
+    
+    EGLBoolean(EGLAPIENTRY *eglChooseConfig) (EGLDisplay dpy,
+                                  const EGLint * attrib_list,
+                                  EGLConfig * configs,
+                                  EGLint config_size, EGLint * num_config);
+    
+    EGLContext(EGLAPIENTRY *eglCreateContext) (EGLDisplay dpy,
+                                   EGLConfig config,
+                                   EGLContext share_list,
+                                   const EGLint * attrib_list);
+    
+    EGLBoolean(EGLAPIENTRY *eglDestroyContext) (EGLDisplay dpy, EGLContext ctx);
+    
+    EGLSurface(EGLAPIENTRY *eglCreatePbufferSurface)(EGLDisplay dpy, EGLConfig config,
+                                                     EGLint const* attrib_list);
+
+    EGLSurface(EGLAPIENTRY *eglCreateWindowSurface) (EGLDisplay dpy,
+                                         EGLConfig config,
+                                         NativeWindowType window,
+                                         const EGLint * attrib_list);
+    EGLBoolean(EGLAPIENTRY *eglDestroySurface) (EGLDisplay dpy, EGLSurface surface);
+    
+    EGLBoolean(EGLAPIENTRY *eglMakeCurrent) (EGLDisplay dpy, EGLSurface draw,
+                                 EGLSurface read, EGLContext ctx);
+    
+    EGLBoolean(EGLAPIENTRY *eglSwapBuffers) (EGLDisplay dpy, EGLSurface draw);
+    
+    EGLBoolean(EGLAPIENTRY *eglSwapInterval) (EGLDisplay dpy, EGLint interval);
+    
+    const char *(EGLAPIENTRY *eglQueryString) (EGLDisplay dpy, EGLint name);
+    
+    EGLBoolean(EGLAPIENTRY  *eglGetConfigAttrib) (EGLDisplay dpy, EGLConfig config,
+                                     EGLint attribute, EGLint * value);
+    
+    EGLBoolean(EGLAPIENTRY *eglWaitNative) (EGLint  engine);
+
+    EGLBoolean(EGLAPIENTRY *eglWaitGL)(void);
+    
+    EGLBoolean(EGLAPIENTRY *eglBindAPI)(EGLenum);
+
+    EGLint(EGLAPIENTRY *eglGetError)(void);
+
+} SDL_EGL_VideoData;
+
+/* OpenGLES functions */
+extern int SDL_EGL_GetAttribute(_THIS, SDL_GLattr attrib, int *value);
+/* SDL_EGL_LoadLibrary can get a display for a specific platform (EGL_PLATFORM_*)
+ * or, if 0 is passed, let the implementation decide.
+ */
+extern int SDL_EGL_LoadLibrary(_THIS, const char *path, NativeDisplayType native_display, EGLenum platform);
+extern void *SDL_EGL_GetProcAddress(_THIS, const char *proc);
+extern void SDL_EGL_UnloadLibrary(_THIS);
+extern int SDL_EGL_ChooseConfig(_THIS);
+extern int SDL_EGL_SetSwapInterval(_THIS, int interval);
+extern int SDL_EGL_GetSwapInterval(_THIS);
+extern void SDL_EGL_DeleteContext(_THIS, SDL_GLContext context);
+extern EGLSurface *SDL_EGL_CreateSurface(_THIS, NativeWindowType nw);
+extern void SDL_EGL_DestroySurface(_THIS, EGLSurface egl_surface);
+
+/* These need to be wrapped to get the surface for the window by the platform GLES implementation */
+extern SDL_GLContext SDL_EGL_CreateContext(_THIS, EGLSurface egl_surface);
+extern int SDL_EGL_MakeCurrent(_THIS, EGLSurface egl_surface, SDL_GLContext context);
+extern int SDL_EGL_SwapBuffers(_THIS, EGLSurface egl_surface);
+
+/* SDL Error-reporting */
+extern int SDL_EGL_SetErrorEx(const char * message, const char * eglFunctionName, EGLint eglErrorCode);
+#define SDL_EGL_SetError(message, eglFunctionName) SDL_EGL_SetErrorEx(message, eglFunctionName, _this->egl_data->eglGetError())
+
+/* A few of useful macros */
+
+#define SDL_EGL_SwapWindow_impl(BACKEND) int \
+BACKEND ## _GLES_SwapWindow(_THIS, SDL_Window * window) \
+{\
+    return SDL_EGL_SwapBuffers(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);\
+}
+
+#define SDL_EGL_MakeCurrent_impl(BACKEND) int \
+BACKEND ## _GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context) \
+{\
+    if (window && context) { \
+        return SDL_EGL_MakeCurrent(_this, ((SDL_WindowData *) window->driverdata)->egl_surface, context); \
+    }\
+    else {\
+        return SDL_EGL_MakeCurrent(_this, NULL, NULL);\
+    }\
+}
+
+#define SDL_EGL_CreateContext_impl(BACKEND) SDL_GLContext \
+BACKEND ## _GLES_CreateContext(_THIS, SDL_Window * window) \
+{\
+    return SDL_EGL_CreateContext(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);\
+}
+
+#endif /* SDL_VIDEO_OPENGL_EGL */
+
+#endif /* SDL_egl_h_ */
+
+/* vi: set ts=4 sw=4 expandtab: */