diff options
Diffstat (limited to 'intern/cycles/kernel/svm/svm_marble.h')
-rw-r--r-- | intern/cycles/kernel/svm/svm_marble.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/svm_marble.h b/intern/cycles/kernel/svm/svm_marble.h new file mode 100644 index 00000000000..4284688afb8 --- /dev/null +++ b/intern/cycles/kernel/svm/svm_marble.h @@ -0,0 +1,67 @@ +/* + * 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 + +/* Marble */ + +__device float svm_marble(float3 p, float size, NodeMarbleType type, NodeWaveType wave, NodeNoiseBasis basis, int hard, float turb, int depth) +{ + float x = p.x; + float y = p.y; + float z = p.z; + + float n = 5.0f * (x + y + z); + + float mi = n + turb * noise_turbulence(p/size, basis, depth, hard); + + mi = noise_wave(wave, mi); + + if(type == NODE_MARBLE_SHARP) + mi = sqrt(mi); + else if(type == NODE_MARBLE_SHARPER) + mi = sqrt(sqrt(mi)); + + return mi; +} + +__device void svm_node_tex_marble(KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node, int *offset) +{ + uint4 node2 = read_node(kg, offset); + + uint type, wave, basis, hard; + uint depth; + uint size_offset, turbulence_offset, co_offset, fac_offset; + + decode_node_uchar4(node.y, &type, &wave, &basis, &hard); + decode_node_uchar4(node.z, &depth, NULL, NULL, NULL); + decode_node_uchar4(node.w, &size_offset, &turbulence_offset, &co_offset, &fac_offset); + + float3 co = stack_load_float3(stack, co_offset); + float size = stack_load_float_default(stack, size_offset, node2.x); + float turbulence = stack_load_float_default(stack, turbulence_offset, node2.y); + size = nonzerof(size, 1e-5f); + + float f = svm_marble(co, size, (NodeMarbleType)type, (NodeWaveType)wave, + (NodeNoiseBasis)basis, hard, turbulence, depth); + + stack_store_float(stack, fac_offset, f); +} + +CCL_NAMESPACE_END + |