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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2006 Blender Foundation. All rights reserved. */
/** \file
* \ingroup cmpnodes
*/
#include "GPU_material.h"
#include "COM_shader_node.hh"
#include "node_composite_util.hh"
/* **************** NORMAL ******************** */
namespace blender::nodes::node_composite_normal_cc {
static void cmp_node_normal_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Vector>(N_("Normal"))
.default_value({0.0f, 0.0f, 1.0f})
.min(-1.0f)
.max(1.0f)
.subtype(PROP_DIRECTION)
.compositor_domain_priority(0);
b.add_output<decl::Vector>(N_("Normal"))
.default_value({0.0f, 0.0f, 1.0f})
.min(-1.0f)
.max(1.0f)
.subtype(PROP_DIRECTION);
b.add_output<decl::Float>(N_("Dot"));
}
using namespace blender::realtime_compositor;
class NormalShaderNode : public ShaderNode {
public:
using ShaderNode::ShaderNode;
void compile(GPUMaterial *material) override
{
GPUNodeStack *inputs = get_inputs_array();
GPUNodeStack *outputs = get_outputs_array();
GPU_stack_link(material,
&bnode(),
"node_composite_normal",
inputs,
outputs,
GPU_uniform(get_vector_value()));
}
/* The vector value is stored in the default value of the output socket. */
const float *get_vector_value()
{
return node()
.output_by_identifier("Normal")
->default_value_typed<bNodeSocketValueVector>()
->value;
}
};
static ShaderNode *get_compositor_shader_node(DNode node)
{
return new NormalShaderNode(node);
}
} // namespace blender::nodes::node_composite_normal_cc
void register_node_type_cmp_normal()
{
namespace file_ns = blender::nodes::node_composite_normal_cc;
static bNodeType ntype;
cmp_node_type_base(&ntype, CMP_NODE_NORMAL, "Normal", NODE_CLASS_OP_VECTOR);
ntype.declare = file_ns::cmp_node_normal_declare;
ntype.get_compositor_shader_node = file_ns::get_compositor_shader_node;
nodeRegisterType(&ntype);
}
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