1 /*
2 * Copyright 2011-2018 Blender Foundation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #ifndef __KERNEL_COLOR_H__
18 #define __KERNEL_COLOR_H__
19
20 #include "util/util_color.h"
21
22 CCL_NAMESPACE_BEGIN
23
xyz_to_rgb(KernelGlobals * kg,float3 xyz)24 ccl_device float3 xyz_to_rgb(KernelGlobals *kg, float3 xyz)
25 {
26 return make_float3(dot(float4_to_float3(kernel_data.film.xyz_to_r), xyz),
27 dot(float4_to_float3(kernel_data.film.xyz_to_g), xyz),
28 dot(float4_to_float3(kernel_data.film.xyz_to_b), xyz));
29 }
30
linear_rgb_to_gray(KernelGlobals * kg,float3 c)31 ccl_device float linear_rgb_to_gray(KernelGlobals *kg, float3 c)
32 {
33 return dot(c, float4_to_float3(kernel_data.film.rgb_to_y));
34 }
35
36 CCL_NAMESPACE_END
37
38 #endif /* __KERNEL_COLOR_H__ */
39