diff options
Diffstat (limited to 'source/blender/nodes/shader/nodes/node_shader_bsdf_glossy.cc')
-rw-r--r-- | source/blender/nodes/shader/nodes/node_shader_bsdf_glossy.cc | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_bsdf_glossy.cc b/source/blender/nodes/shader/nodes/node_shader_bsdf_glossy.cc new file mode 100644 index 00000000000..03a3e634f56 --- /dev/null +++ b/source/blender/nodes/shader/nodes/node_shader_bsdf_glossy.cc @@ -0,0 +1,84 @@ +/* + * 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); +} |