change hint to DISABLE_OPTIMIZED_STROKE (issue #1302)

core/src/processing/opengl/PShapeOpenGL.java

@@ -4225,7 +4225,7 @@ public class PShapeOpenGL extends PShape {
   // Or accurate 2D mode is enabled, which forces each
   // shape to be rendered separately.
   protected boolean fragmentedGroup(PGraphicsOpenGL g) {
-    return g.getHint(ENABLE_ACCURATE_2D) ||
+    return g.getHint(DISABLE_OPTIMIZED_STROKE) ||
            (textures != null && 1 < textures.size()) ||
            strokedTexture;
   }