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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2005 Blender Foundation. All rights reserved. */
#include "node_shader_util.hh"
namespace blender::nodes::node_shader_hair_info_cc {
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_output<decl::Float>(N_("Is Strand"));
b.add_output<decl::Float>(N_("Intercept"));
b.add_output<decl::Float>(N_("Length"));
b.add_output<decl::Float>(N_("Thickness"));
b.add_output<decl::Vector>(N_("Tangent Normal"));
b.add_output<decl::Float>(N_("Random"));
}
static int node_shader_gpu_hair_info(GPUMaterial *mat,
bNode *node,
bNodeExecData * /*execdata*/,
GPUNodeStack *in,
GPUNodeStack *out)
{
/* Length: don't request length if not needed. */
static const float zero = 0;
GPUNodeLink *length_link = out[2].hasoutput ? GPU_attribute(mat, CD_HAIRLENGTH, "") :
GPU_constant(&zero);
return GPU_stack_link(mat, node, "node_hair_info", in, out, length_link);
}
} // namespace blender::nodes::node_shader_hair_info_cc
/* node type definition */
void register_node_type_sh_hair_info()
{
namespace file_ns = blender::nodes::node_shader_hair_info_cc;
static bNodeType ntype;
sh_node_type_base(&ntype, SH_NODE_HAIR_INFO, "Curves Info", NODE_CLASS_INPUT);
ntype.declare = file_ns::node_declare;
ntype.gpu_fn = file_ns::node_shader_gpu_hair_info;
nodeRegisterType(&ntype);
}
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