vrend: Get the glsl version return by OpenGL ES

Signed-off-by: Elie Tournier <elie.tournier@collabora.com>
Signed-off-by: Jakob Bornecrantz <jakob.bornecrantz@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

src/vrend_renderer.c

@@ -6265,9 +6265,16 @@ static void vrender_get_glsl_version(int *glsl_version)
    int version;
 
    version_str = glGetString(GL_SHADING_LANGUAGE_VERSION);
+   if (vrend_state.use_gles) {
+      char tmp[20];
+      c = sscanf((const char *)version_str, "%s %s %s %s %i.%i",
+                  tmp, tmp, tmp, tmp, &major_local, &minor_local);
+      assert(c == 6);
+   } else {
       c = sscanf((const char *)version_str, "%i.%i",
                   &major_local, &minor_local);
       assert(c == 2);
+   }
 
    version = (major_local * 100) + minor_local;
    if (glsl_version)