Provide environment Setting for OpenGL

- no .drirc needad anymore

openglosd.cpp

@@ -26,7 +26,7 @@ const char *glversion = "#version 330 core ";
 #ifdef RASPI
 const char *glversion = "#version 300 es";
 #else
-const char *glversion = " ";
+const char *glversion = "#version 320 es  ";
 #endif
 #endif
 

shaders.h

@@ -6,7 +6,7 @@ const char *gl_version = "#version 330";
 #ifdef RASPI
 const char *gl_version = "#version 300 es";
 #else
-const char *gl_version = " ";
+const char *gl_version = "#version 320 es ";
 #endif
 #endif
 

video.c

@@ -1161,6 +1161,7 @@ static void EglInit(void)
     EGLContext context;
 
     // create egl context
+    setenv("MESA_GL_VERSION_OVERRIDE","3.3",0); 
     make_egl();
     GLenum err = glewInit();