Khronos introduced a new macro (suggested by Google) to avoid using
C-style casts in C++ code, as those generate warnings.
Khronos Bugzilla: https://cvs.khronos.org/bugzilla/show_bug.cgi?id=16113
Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Chad Versace <chadversary@chromium.org>