ported the University CGI demo from WINDOWS + GLUT + GLEW + GLU + OpenGL 4 to LINUX WAYLAND + EGL + GLES 2 with minimal cuts

resources/vertexShader_lines.glsl

@@ -0,0 +1,19 @@
+#version 300 es
+
+/*this will affect all the float guys (float, vecN, matN )*/
+precision mediump float;
+
+layout (location = 0) in vec3 vertPos;   // Attributo Posizione
+
+ uniform mat4 Model;
+ uniform mat4 Projection;
+ uniform mat4 View;
+
+ out vec3 fragPos;
+
+
+void main()
+{   
+    fragPos=(Model*vec4(vertPos,1)).xyz;
+    gl_Position=Projection*View*Model*vec4(vertPos,1);
+}