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
66
67
68
69
70
71
72
73
74
75
76
|
/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2005 Blender Foundation. All rights reserved. */
#include "node_shader_util.hh"
#include "UI_interface.h"
#include "UI_resources.h"
namespace blender::nodes::node_shader_bsdf_anisotropic_cc {
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Color>(N_("Color")).default_value({0.8f, 0.8f, 0.8f, 1.0f});
b.add_input<decl::Float>(N_("Roughness"))
.default_value(0.5f)
.min(0.0f)
.max(1.0f)
.subtype(PROP_FACTOR);
b.add_input<decl::Float>(N_("Anisotropy")).default_value(0.5f).min(-1.0f).max(1.0f);
b.add_input<decl::Float>(N_("Rotation"))
.default_value(0.0f)
.min(0.0f)
.max(1.0f)
.subtype(PROP_FACTOR);
b.add_input<decl::Vector>(N_("Normal")).hide_value();
b.add_input<decl::Vector>(N_("Tangent")).hide_value();
b.add_input<decl::Float>(N_("Weight")).unavailable();
b.add_output<decl::Shader>(N_("BSDF"));
}
static void node_shader_buts_anisotropic(uiLayout *layout, bContext * /*C*/, PointerRNA *ptr)
{
uiItemR(layout, ptr, "distribution", UI_ITEM_R_SPLIT_EMPTY_NAME, "", ICON_NONE);
}
static void node_shader_init_anisotropic(bNodeTree * /*ntree*/, bNode *node)
{
node->custom1 = SHD_GLOSSY_GGX;
}
static int node_shader_gpu_bsdf_anisotropic(GPUMaterial *mat,
bNode *node,
bNodeExecData * /*execdata*/,
GPUNodeStack *in,
GPUNodeStack *out)
{
if (!in[4].link) {
GPU_link(mat, "world_normals_get", &in[4].link);
}
GPU_material_flag_set(mat, GPU_MATFLAG_GLOSSY);
float use_multi_scatter = (node->custom1 == SHD_GLOSSY_MULTI_GGX) ? 1.0f : 0.0f;
return GPU_stack_link(
mat, node, "node_bsdf_anisotropic", in, out, GPU_constant(&use_multi_scatter));
}
} // namespace blender::nodes::node_shader_bsdf_anisotropic_cc
/* node type definition */
void register_node_type_sh_bsdf_anisotropic()
{
namespace file_ns = blender::nodes::node_shader_bsdf_anisotropic_cc;
static bNodeType ntype;
sh_node_type_base(&ntype, SH_NODE_BSDF_ANISOTROPIC, "Anisotropic BSDF", NODE_CLASS_SHADER);
ntype.declare = file_ns::node_declare;
ntype.draw_buttons = file_ns::node_shader_buts_anisotropic;
node_type_size_preset(&ntype, NODE_SIZE_MIDDLE);
ntype.initfunc = file_ns::node_shader_init_anisotropic;
ntype.gpu_fn = file_ns::node_shader_gpu_bsdf_anisotropic;
nodeRegisterType(&ntype);
}
|