project for a (works on my devices) demo

SOURCES/graphics/library/application_context.c

@@ -0,0 +1,76 @@
+#include "application_context.h"
+
+#include "../os/WAYLAND/wl_context.h"
+#include "../os/EGL/egl_context.h"
+#include "../os/EGL/GLES_3_1_compatibility.h"
+#include <wayland-egl.h>
+
+
+#include <stdlib.h>
+#include <stdio.h>
+
+application_context* application_context_malloc(){
+	application_context *app = malloc( sizeof( application_context));
+	return app;
+}
+
+application_context* application_context_new( const char *title){
+	wl_context *wl;
+	egl_context *egl;
+	window *win;
+	application_context *app;
+
+	app = application_context_malloc();
+	/* get the builders and the display connection */
+	wl = wl_context_new();
+	app->w_context = wl;
+
+
+	/* builds the minimal for a running */
+	win = window_new( 
+		title, 
+		ui_dimensions_new(
+			wl_context_get(GLUT_SCREEN_WIDTH), 
+			wl_context_get(GLUT_SCREEN_HEIGHT)
+		), 
+		wl,
+		app
+	);
+
+	/* ??? allocates the required struct for binding a buffer to the wl_surface of the window's toplevel */
+	app->win = win;
+	app->running = 1;
+	win->egl_window = wl_egl_window_create( win->surface, win->dimensions->w, win->dimensions->h);
+
+	/* EGL_NO_SURFACE */
+	if (NULL == win->egl_window) {
+	    fprintf(stderr, "Couldn't create EGL window\n");
+	    exit(1);
+  	}
+
+	/* gets the context for GLES2 graphics API */
+	egl = egl_context_new( wl->display);
+	app->e_context = egl;
+
+	win->egl_surface = eglCreateWindowSurface(
+		egl->display,
+		egl->config,
+		(EGLNativeWindowType) win->egl_window, 
+		NULL
+	);
+	if( EGL_NO_SURFACE == win->egl_surface) {
+		fprintf(stderr, "Couldn't create EGL surface\n");
+		printEGLError();
+
+		exit(EXIT_FAILURE);
+	}
+
+	if( ! eglMakeCurrent(egl->display, win->egl_surface, win->egl_surface, egl->context)) {
+		fprintf(stderr, "Couldn't make EGL context current\n");
+		exit(EXIT_FAILURE);
+	}
+
+	GLES_3_1_compatibility_init();
+
+	return app;
+}