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blender/intern/cycles/kernel/shaders/node_separate_hsv.osl
Sergey Sharybin 1549fea999 Fix T42888: Separate and Combine HSV distorts the hue value
These nodes were assuming sRGB input/output which is for sure wrong for the
shader pipeline which works in the linear space.

So now conversion to/from linear space happens in these nodes which makes them
making sence in the shader context but which might change look and feel of
existing scenes.
2014-12-16 20:06:25 +05:00

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/*
* 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"
#include "node_color.h"
shader node_separate_hsv(
color Color = 0.8,
output float H = 0.0,
output float S = 0.0,
output float V = 0.0)
{
color col = rgb_to_hsv(color_scene_linear_to_srgb(Color));
H = col[0];
S = col[1];
V = col[2];
}