hg: openjfx/8u-dev/rt: Fix RT-40533: Canvas rendering many small shapes has a lot of overhead on some GPUs

[james.graham at oracle.com]

Changeset: 1a4f260efa41
Author:    flar <James.Graham at oracle.com>
Date:      2015-04-19 21:50 -0700
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/1a4f260efa41

Fix RT-40533: Canvas rendering many small shapes has a lot of overhead on some GPUs
Reviewed by: chien

! modules/graphics/src/main/java/com/sun/prism/impl/BaseContext.java
! modules/graphics/src/main/java/com/sun/prism/impl/ps/BaseShaderGraphics.java