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/*
* 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.
*
* The Original Code is Copyright (C) 2005 Blender Foundation.
* All rights reserved.
*/
#include "node_shader_util.hh"
namespace blender::nodes::node_shader_bsdf_glossy_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::Vector>(N_("Normal")).hide_value();
b.add_output<decl::Shader>(N_("BSDF"));
}
static void node_shader_init_glossy(bNodeTree *UNUSED(ntree), bNode *node)
{
node->custom1 = SHD_GLOSSY_GGX;
}
static int node_shader_gpu_bsdf_glossy(GPUMaterial *mat,
bNode *node,
bNodeExecData *UNUSED(execdata),
GPUNodeStack *in,
GPUNodeStack *out)
{
if (!in[2].link) {
GPU_link(mat, "world_normals_get", &in[2].link);
}
if (node->custom1 == SHD_GLOSSY_SHARP) {
GPU_link(mat, "set_value_zero", &in[1].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_glossy",
in,
out,
GPU_constant(&use_multi_scatter),
GPU_constant(&node->ssr_id));
}
} // namespace blender::nodes::node_shader_bsdf_glossy_cc
/* node type definition */
void register_node_type_sh_bsdf_glossy()
{
namespace file_ns = blender::nodes::node_shader_bsdf_glossy_cc;
static bNodeType ntype;
sh_node_type_base(&ntype, SH_NODE_BSDF_GLOSSY, "Glossy BSDF", NODE_CLASS_SHADER);
ntype.declare = file_ns::node_declare;
node_type_size_preset(&ntype, NODE_SIZE_MIDDLE);
node_type_init(&ntype, file_ns::node_shader_init_glossy);
node_type_gpu(&ntype, file_ns::node_shader_gpu_bsdf_glossy);
nodeRegisterType(&ntype);
}
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