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/*
* 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.
*/
#pragma once
#include "util/util_color.h"
CCL_NAMESPACE_BEGIN
ccl_device float3 xyz_to_rgb(const KernelGlobals *kg, float3 xyz)
{
return make_float3(dot(float4_to_float3(kernel_data.film.xyz_to_r), xyz),
dot(float4_to_float3(kernel_data.film.xyz_to_g), xyz),
dot(float4_to_float3(kernel_data.film.xyz_to_b), xyz));
}
ccl_device float linear_rgb_to_gray(const KernelGlobals *kg, float3 c)
{
return dot(c, float4_to_float3(kernel_data.film.rgb_to_y));
}
CCL_NAMESPACE_END
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