1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* 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_noinline float svm_wave(NodeWoodType type, float3 p, float scale, float detail, float distortion, float dscale)
{
float w, n;
p *= scale;
if(type == NODE_WAVE_BANDS)
n= (p.x + p.x + p.z)*10.0f;
else /* if(type == NODE_WAVE_RINGS) */
n= len(p)*20.0f;
if(distortion != 0.0f)
n += distortion * noise_turbulence(p*dscale, NODE_NOISE_PERLIN, detail, 0);
w = noise_wave(NODE_WAVE_SINE, n);
return w;
}
__device void svm_node_tex_wave(KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node, int *offset)
{
uint4 node2 = read_node(kg, offset);
uint type;
uint co_offset, scale_offset, detail_offset, dscale_offset, distortion_offset, color_offset, fac_offset;
decode_node_uchar4(node.y, &type, &color_offset, &fac_offset, &dscale_offset);
decode_node_uchar4(node.z, &co_offset, &scale_offset, &detail_offset, &distortion_offset);
float3 co = stack_load_float3(stack, co_offset);
float scale = stack_load_float_default(stack, scale_offset, node2.x);
float detail = stack_load_float_default(stack, detail_offset, node2.y);
float distortion = stack_load_float_default(stack, distortion_offset, node2.z);
float dscale = stack_load_float_default(stack, dscale_offset, node2.w);
float f = svm_wave((NodeWoodType)type, co, scale, detail, distortion, dscale);
if(stack_valid(fac_offset)) stack_store_float(stack, fac_offset, f);
if(stack_valid(color_offset)) stack_store_float3(stack, color_offset, make_float3(f, f, f));
}
CCL_NAMESPACE_END
|
