diff options
Diffstat (limited to 'intern/cycles/kernel/osl/shaders/node_vertex_color.osl')
-rw-r--r-- | intern/cycles/kernel/osl/shaders/node_vertex_color.osl | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/intern/cycles/kernel/osl/shaders/node_vertex_color.osl b/intern/cycles/kernel/osl/shaders/node_vertex_color.osl new file mode 100644 index 00000000000..ffaf7a2f720 --- /dev/null +++ b/intern/cycles/kernel/osl/shaders/node_vertex_color.osl @@ -0,0 +1,50 @@ +/* + * Copyright 2011-2013 Blender Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "stdcycles.h" + +shader node_vertex_color(string bump_offset = "center", + string layer_name = "", + output color Color = 0.0, + output float Alpha = 0.0) +{ + float vertex_color[4]; + string vertex_color_layer; + + if (layer_name == "") { + vertex_color_layer = "geom:vertex_color"; + } + else { + vertex_color_layer = layer_name; + } + + if (getattribute(vertex_color_layer, vertex_color)) { + Color = color(vertex_color[0], vertex_color[1], vertex_color[2]); + Alpha = vertex_color[3]; + + if (bump_offset == "dx") { + Color += Dx(Color); + Alpha += Dx(Alpha); + } + else if (bump_offset == "dy") { + Color += Dy(Color); + Alpha += Dy(Alpha); + } + } + else { + warning("%s", "Invalid attribute."); + } +} |