This is relatively expensive and as per the OSL spec, this value is not expected to be meaningful for non-light shaders. This makes viewport updates a little faster. As a side effect also fixes T82723, viewport refresh issue with volume density.
This is relatively expensive and as per the OSL spec, this value is not expected to be meaningful for non-light shaders. This makes viewport updates a little faster. As a side effect also fixes T82723, viewport refresh issue with volume density.