node_composite_gamma.cc

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/* SPDX-FileCopyrightText: 2006 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#include "GPU_material.hh"
 
#include "COM_shader_node.hh"
 
#include "node_composite_util.hh"
 
/* **************** Gamma Tools  ******************** */
 
namespace blender::nodes::node_composite_gamma_cc {
 
static void cmp_node_gamma_declare(NodeDeclarationBuilder &b)
{
  b.add_input<decl::Color>("Image")
      .default_value({1.0f, 1.0f, 1.0f, 1.0f})
      .compositor_domain_priority(0);
  b.add_input<decl::Float>("Gamma")
      .default_value(1.0f)
      .min(0.001f)
      .max(10.0f)
      .subtype(PROP_UNSIGNED)
      .compositor_domain_priority(1);
  b.add_output<decl::Color>("Image");
}
 
using namespace blender::realtime_compositor;
 
class GammaShaderNode : 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_gamma", inputs, outputs);
  }
};
 
static ShaderNode *get_compositor_shader_node(DNode node)
{
  return new GammaShaderNode(node);
}
 
}  // namespace blender::nodes::node_composite_gamma_cc
 
void register_node_type_cmp_gamma()
{
  namespace file_ns = blender::nodes::node_composite_gamma_cc;
 
  static blender::bke::bNodeType ntype;
 
  cmp_node_type_base(&ntype, CMP_NODE_GAMMA, "Gamma", NODE_CLASS_OP_COLOR);
  ntype.declare = file_ns::cmp_node_gamma_declare;
  ntype.get_compositor_shader_node = file_ns::get_compositor_shader_node;
 
  blender::bke::node_register_type(&ntype);
}