From 70040e7b0b683f2ff6ac30b20a8e426bab294e67 Mon Sep 17 00:00:00 2001 From: Alexander Gavrilov Date: Mon, 26 Oct 2020 18:32:48 +0100 Subject: Cycles: internal support for alpha output for attribute node Not exposed in Blender yet. Ref D2057 --- intern/cycles/kernel/shaders/node_attribute.osl | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'intern/cycles/kernel/shaders') diff --git a/intern/cycles/kernel/shaders/node_attribute.osl b/intern/cycles/kernel/shaders/node_attribute.osl index abec8ebfbf0..205d0a21bed 100644 --- a/intern/cycles/kernel/shaders/node_attribute.osl +++ b/intern/cycles/kernel/shaders/node_attribute.osl @@ -20,20 +20,26 @@ shader node_attribute(string bump_offset = "center", string name = "", output point Vector = point(0.0, 0.0, 0.0), output color Color = 0.0, - output float Fac = 0.0) + output float Fac = 0.0, + output float Alpha = 0.0) { - getattribute(name, Color); + float data[4]; + getattribute(name, data); + Color = color(data[0], data[1], data[2]); Vector = point(Color); getattribute(name, Fac); + Alpha = data[3]; if (bump_offset == "dx") { Color += Dx(Color); Vector += Dx(Vector); Fac += Dx(Fac); + Alpha += Dx(Alpha); } else if (bump_offset == "dy") { Color += Dy(Color); Vector += Dy(Vector); Fac += Dy(Fac); + Alpha += Dy(Alpha); } } -- cgit v1.2.3