hg: openjfx/8u-dev/rt: RT-39666: Add GL_FRAGMENT_PRECISION_HIGH check to existing 2D shaders before setting precision to highp

[chien.yang at oracle.com]

Changeset: 60b240938e06
Author:    Chien Yang <chien.yang at oracle.com>
Date:      2014-12-19 09:34 -0800
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/60b240938e06

RT-39666: Add GL_FRAGMENT_PRECISION_HIGH check to existing 2D shaders before setting precision to highp
Reviewed-by: ddhill, kcr

! buildSrc/src/main/java/com/sun/scenario/effect/compiler/backend/hw/ES2Backend.java