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DESCRIPTION:
When running the opengles2 driver on windows with ANGLE (and using at an error+ logging priority), i get the following dumped message when calling SDL_CreateWindow() with SDL_WINDOW_OPENGL enabled (and at a later point when i try to use SDL_CreateWindow() without SDL_WINDOW_OPENGL):

"ERROR: Failed loading eglChooseConfig: The specified procedure could not be found."


MINIMAL REPRO CODE (again, on windows using ANGLE):
SDL_Init(SDL_INIT_VIDEO);
SDL_SetHint(SDL_HINT_RENDER_DRIVER, "opengles2");
SDL_GL_SetAttribute(SDL_GL_CONTEXT_EGL, 1);
SDL_LogSetAllPriority(SDL_LOG_PRIORITY_ERROR);
SDL_CreateWindow("Window", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN);

FIX:
The issue is caused by the call to SDL_LoadFunction() with an invalid parameter (a null dll_handle) in SDL_EGL_LoadLibrary() in SDL_egl.c. 
 
One possible fix is to change line 185 in SDL_egl.c from:

 if (SDL_LoadFunction(dll_handle, "eglChooseConfig") == NULL) {

to:

 if (dll_handle == NULL || SDL_LoadFunction(dll_handle, "eglChooseConfig") == NULL) {