75d17b1db5
Move all header file into namespace. Unnecessary namespaces was removed from implementations file. Part of forward declarations in header was moved in the top part of file just to do not have a lot of separate namespaces. Pull Request: https://projects.blender.org/blender/blender/pulls/121637
101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/* SPDX-FileCopyrightText: 2005 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#include "node_shader_util.hh"
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namespace blender::nodes::node_shader_geometry_cc {
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static void node_declare(NodeDeclarationBuilder &b)
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{
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b.add_output<decl::Vector>("Position");
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b.add_output<decl::Vector>("Normal");
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b.add_output<decl::Vector>("Tangent");
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b.add_output<decl::Vector>("True Normal");
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b.add_output<decl::Vector>("Incoming");
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b.add_output<decl::Vector>("Parametric");
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b.add_output<decl::Float>("Backfacing");
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b.add_output<decl::Float>("Pointiness");
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b.add_output<decl::Float>("Random Per Island");
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}
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static int node_shader_gpu_geometry(GPUMaterial *mat,
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bNode *node,
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bNodeExecData * /*execdata*/,
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GPUNodeStack *in,
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GPUNodeStack *out)
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{
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/* HACK: Don't request GPU_MATFLAG_BARYCENTRIC if not used because it will
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* trigger the use of geometry shader (and the performance penalty it implies). */
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if (out[5].hasoutput) {
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GPU_material_flag_set(mat, GPU_MATFLAG_BARYCENTRIC);
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}
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/* Optimization: don't request orco if not needed. */
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const float val[4] = {0.0f, 0.0f, 0.0f, 0.0f};
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GPUNodeLink *orco_link = out[2].hasoutput ? GPU_attribute(mat, CD_ORCO, "") : GPU_constant(val);
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const bool success = GPU_stack_link(mat, node, "node_geometry", in, out, orco_link);
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int i;
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LISTBASE_FOREACH_INDEX (bNodeSocket *, sock, &node->outputs, i) {
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node_shader_gpu_bump_tex_coord(mat, node, &out[i].link);
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/* Normalize some vectors after dFdx/dFdy offsets.
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* This is the case for interpolated, non linear functions.
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* The resulting vector can still be a bit wrong but not as much.
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* (see #70644) */
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if (ELEM(i, 1, 2, 4)) {
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GPU_link(mat,
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"vector_math_normalize",
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out[i].link,
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out[i].link,
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out[i].link,
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out[i].link,
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&out[i].link,
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nullptr);
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}
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}
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return success;
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}
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NODE_SHADER_MATERIALX_BEGIN
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#ifdef WITH_MATERIALX
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{
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/* NOTE: Some outputs aren't supported by MaterialX. */
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NodeItem res = empty();
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std::string name = socket_out_->name;
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if (name == "Position") {
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res = create_node("position", NodeItem::Type::Vector3, {{"space", val(std::string("world"))}});
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}
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else if (name == "Normal") {
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res = create_node("normal", NodeItem::Type::Vector3, {{"space", val(std::string("world"))}});
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}
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else if (ELEM(name, "Tangent", "True Normal")) {
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res = create_node("tangent", NodeItem::Type::Vector3, {{"space", val(std::string("world"))}});
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}
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else {
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res = get_output_default(name, NodeItem::Type::Any);
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}
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return res;
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}
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#endif
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NODE_SHADER_MATERIALX_END
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} // namespace blender::nodes::node_shader_geometry_cc
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/* node type definition */
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void register_node_type_sh_geometry()
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{
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namespace file_ns = blender::nodes::node_shader_geometry_cc;
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static blender::bke::bNodeType ntype;
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sh_node_type_base(&ntype, SH_NODE_NEW_GEOMETRY, "Geometry", NODE_CLASS_INPUT);
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ntype.declare = file_ns::node_declare;
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ntype.gpu_fn = file_ns::node_shader_gpu_geometry;
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ntype.materialx_fn = file_ns::node_shader_materialx;
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blender::bke::nodeRegisterType(&ntype);
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}
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