diff options
Diffstat (limited to 'intern/cycles/kernel/svm/svm_wood.h')
-rw-r--r-- | intern/cycles/kernel/svm/svm_wood.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/svm_wood.h b/intern/cycles/kernel/svm/svm_wood.h new file mode 100644 index 00000000000..5c94a9fa3a2 --- /dev/null +++ b/intern/cycles/kernel/svm/svm_wood.h @@ -0,0 +1,69 @@ +/* + * 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 + +/* Wood */ + +__device float svm_wood(float3 p, float size, NodeWoodType type, NodeWaveType wave, NodeNoiseBasis basis, uint hard, float turb) +{ + float x = p.x; + float y = p.y; + float z = p.z; + + if(type == NODE_WOOD_BANDS) { + return noise_wave(wave, (x + y + z)*10.0f); + } + else if(type == NODE_WOOD_RINGS) { + return noise_wave(wave, sqrt(x*x + y*y + z*z)*20.0f); + } + else if (type == NODE_WOOD_BAND_NOISE) { + float wi = turb*noise_basis_hard(p/size, basis, hard); + return noise_wave(wave, (x + y + z)*10.0f + wi); + } + else if (type == NODE_WOOD_RING_NOISE) { + float wi = turb*noise_basis_hard(p/size, basis, hard); + return noise_wave(wave, sqrt(x*x + y*y + z*z)*20.0f + wi); + } + + return 0.0f; +} + +__device void svm_node_tex_wood(KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node, int *offset) +{ + uint4 node2 = read_node(kg, offset); + + uint type, wave, basis, hard; + uint co_offset, size_offset, turbulence_offset, fac_offset; + + decode_node_uchar4(node.y, &type, &wave, &basis, &hard); + decode_node_uchar4(node.z, &co_offset, &size_offset, &turbulence_offset, &fac_offset); + + float3 co = stack_load_float3(stack, co_offset); + float size = stack_load_float_default(stack, size_offset, node2.y); + float turbulence = stack_load_float_default(stack, turbulence_offset, node2.z); + size = nonzerof(size, 1e-5f); + + float f = svm_wood(co, size, (NodeWoodType)type, (NodeWaveType)wave, + (NodeNoiseBasis)basis, hard, turbulence); + + stack_store_float(stack, fac_offset, f); +} + +CCL_NAMESPACE_END + |