forked from bartvdbraak/blender
57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
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/*
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* Copyright 2013, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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CCL_NAMESPACE_BEGIN
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__device void svm_node_combine_hsv(KernelGlobals *kg, ShaderData *sd, float *stack, uint hue_in, uint saturation_in, uint value_in, int *offset)
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{
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uint4 node1 = read_node(kg, offset);
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uint color_out = node1.y;
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float hue = stack_load_float(stack, hue_in);
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float saturation = stack_load_float(stack, saturation_in);
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float value = stack_load_float(stack, value_in);
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/* Combine, and convert back to RGB */
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float3 color = hsv_to_rgb(make_float3(hue, saturation, value));
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if (stack_valid(color_out))
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stack_store_float3(stack, color_out, color);
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}
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__device void svm_node_separate_hsv(KernelGlobals *kg, ShaderData *sd, float *stack, uint color_in, uint hue_out, uint saturation_out, int *offset)
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{
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uint4 node1 = read_node(kg, offset);
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uint value_out = node1.y;
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float3 color = stack_load_float3(stack, color_in);
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/* Convert to HSV */
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color = rgb_to_hsv(color);
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if (stack_valid(hue_out))
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stack_store_float(stack, hue_out, color.x);
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if (stack_valid(saturation_out))
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stack_store_float(stack, saturation_out, color.y);
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if (stack_valid(value_out))
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stack_store_float(stack, value_out, color.z);
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}
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CCL_NAMESPACE_END
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