Files
goo-engine/intern/cycles/kernel/shaders/node_ambient_occlusion.osl
T
Lukas Stockner 799779d432 Cycles: change Ambient Occlusion shader to output colors.
This means the shader can now be used for procedural texturing. New
settings on the node are Samples, Inside, Local Only and Distance.

Original patch by Lukas with further changes by Brecht.

Differential Revision: https://developer.blender.org/D3479
2018-06-15 22:16:06 +02:00

36 lines
1.1 KiB
Plaintext

/*
* Copyright 2011-2018 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 "stdosl.h"
shader node_ambient_occlusion(
color ColorIn = color(0.8, 0.8, 0.8),
int samples = 8,
float Distance = 1.0,
normal Normal = N,
int inside = 0,
int only_local = 1,
output color ColorOut = color(0.8, 0.8, 0.8),
output float AO = 1.0)
{
int global_radius = (Distance == 0.0 && !isconnected(Distance));
/* Abuse texture call with special @ao token. */
AO = texture("@ao", samples, Distance, Normal[0], Normal[1], Normal[2], inside, "sblur", only_local, "tblur", global_radius);
ColorOut = ColorIn * AO;
}