diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_displace.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_displace.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernel_displace.h b/intern/cycles/kernel/kernel_displace.h new file mode 100644 index 00000000000..ef6c3810a75 --- /dev/null +++ b/intern/cycles/kernel/kernel_displace.h @@ -0,0 +1,35 @@ +/* + * Copyright 2011, Blender Foundation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +CCL_NAMESPACE_BEGIN + +__device void kernel_displace(KernelGlobals *kg, uint4 *input, float3 *offset, int i) +{ + /* setup shader data */ + ShaderData sd; + uint4 in = input[i]; + shader_setup_from_displace(kg, &sd, in.x, in.y, __int_as_float(in.z), __int_as_float(in.w)); + + /* evaluate */ + float3 P = sd.P; + shader_eval_displacement(kg, &sd); + offset[i] = sd.P - P; +} + +CCL_NAMESPACE_END + |