// precalc 1.0 / uInsideCircleSizeScale on CPU to save shader insns, using constraint to tie to the normal property
Dali::Property::Index insideCircleSizeScalePropertyIndex = handle.GetPropertyIndex(SOFT_BUTTON_INSIDE_SHAPE_SIZE_SCALE_PROPERTY_NAME);
Dali::Property::Index recipInsideCircleSizeScalePropertyIndex = handle.GetPropertyIndex(SOFT_BUTTON_RECIP_INSIDE_SHAPE_SIZE_SCALE_PROPERTY_NAME);
// precalc 1.0 / uInsideCircleSizeScale on CPU to save shader insns, using constraint to tie to the normal property
Dali::Property::Index insideCircleSizeScalePropertyIndex = handle.GetPropertyIndex(SOFT_BUTTON_INSIDE_SHAPE_SIZE_SCALE_PROPERTY_NAME);
Dali::Property::Index recipInsideCircleSizeScalePropertyIndex = handle.GetPropertyIndex(SOFT_BUTTON_RECIP_INSIDE_SHAPE_SIZE_SCALE_PROPERTY_NAME);