forked from bartvdbraak/blender
36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
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/*
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* Copyright 2011, 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 kernel_displace(KernelGlobals *kg, uint4 *input, float3 *offset, int i)
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{
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/* setup shader data */
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ShaderData sd;
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uint4 in = input[i];
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shader_setup_from_displace(kg, &sd, in.x, in.y, __int_as_float(in.z), __int_as_float(in.w));
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/* evaluate */
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float3 P = sd.P;
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shader_eval_displacement(kg, &sd);
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offset[i] = sd.P - P;
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}
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CCL_NAMESPACE_END
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