Fix point sprites.

Change-Id: Ic9438daaf25f3969a0dd5b634b7cceccbbbfb27b
diff --git a/libs/rs/rsProgramFragment.cpp b/libs/rs/rsProgramFragment.cpp
index 0adce75..6cf64a4 100644
--- a/libs/rs/rsProgramFragment.cpp
+++ b/libs/rs/rsProgramFragment.cpp
@@ -56,6 +56,11 @@
 
         glEnable(GL_TEXTURE_2D);
         if (rsc->checkVersion1_1()) {
+            if (mPointSpriteEnable) {
+                glEnable(GL_POINT_SPRITE_OES);
+            } else {
+                glDisable(GL_POINT_SPRITE_OES);
+            }
             glTexEnvi(GL_POINT_SPRITE_OES, GL_COORD_REPLACE_OES, mPointSpriteEnable);
         }
         glBindTexture(GL_TEXTURE_2D, mTextures[ct]->getTextureID());