diff options
author | OmarSquircleArt <omar.squircleart@gmail.com> | 2019-08-13 17:29:32 +0300 |
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committer | OmarSquircleArt <omar.squircleart@gmail.com> | 2019-08-13 17:38:56 +0300 |
commit | 71641ab56d0f0cb52c301b83ff499699029fa032 (patch) | |
tree | 18029c373c2ec777e8c151e888bc708aa2537988 /intern/cycles/kernel/shaders | |
parent | aef08fda3ade2d0223b77d4c9c0dd5e9fcabe7b2 (diff) |
Shading: Add Map Range node to Cycles and EEVEE.
This patch adds a new Map Range node that linearly remaps an input
value from a range to another. This node is similar to the compositor's
Map Range node.
Reviewers: brecht, JacquesLucke
Differential Revision: https://developer.blender.org/D5471
Diffstat (limited to 'intern/cycles/kernel/shaders')
-rw-r--r-- | intern/cycles/kernel/shaders/CMakeLists.txt | 1 | ||||
-rw-r--r-- | intern/cycles/kernel/shaders/node_map_range.osl | 25 |
2 files changed, 26 insertions, 0 deletions
diff --git a/intern/cycles/kernel/shaders/CMakeLists.txt b/intern/cycles/kernel/shaders/CMakeLists.txt index b42b9b2fe64..2a84d89f9be 100644 --- a/intern/cycles/kernel/shaders/CMakeLists.txt +++ b/intern/cycles/kernel/shaders/CMakeLists.txt @@ -46,6 +46,7 @@ set(SRC_OSL node_light_falloff.osl node_light_path.osl node_magic_texture.osl + node_map_range.osl node_mapping.osl node_math.osl node_mix.osl diff --git a/intern/cycles/kernel/shaders/node_map_range.osl b/intern/cycles/kernel/shaders/node_map_range.osl new file mode 100644 index 00000000000..417d2ae50a8 --- /dev/null +++ b/intern/cycles/kernel/shaders/node_map_range.osl @@ -0,0 +1,25 @@ +/* + * 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 "stdosl.h" + +shader node_map_range(float Value = 1.0, float FromMin = 0.0, float FromMax = 1.0, + float ToMin = 0.0, float ToMax = 1.0, output float Result = 0.0) +{ + if (FromMax != FromMin) { + Result = ToMin + ((Value - FromMin) / (FromMax - FromMin)) * (ToMax - ToMin); + } +} |