node_composite_sepcomb_ycca.cc

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/* SPDX-FileCopyrightText: 2006 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "BLI_assert.h"
 
#include "GPU_material.hh"
 
#include "COM_shader_node.hh"
 
#include "node_composite_util.hh"
 
/* **************** SEPARATE YCCA ******************** */
 
namespace blender::nodes::node_composite_separate_ycca_cc {
 
static void cmp_node_sepycca_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_output<decl::Float>("Y").translation_context(BLT_I18NCONTEXT_COLOR);
  b.add_output<decl::Float>("Cb");
  b.add_output<decl::Float>("Cr");
  b.add_output<decl::Float>("A").translation_context(BLT_I18NCONTEXT_COLOR);
}
 
static void node_composit_init_mode_sepycca(bNodeTree * /*ntree*/, bNode *node)
{
  node->custom1 = 1; /* BLI_YCC_ITU_BT709 */
}
 
using namespace blender::realtime_compositor;
 
class SeparateYCCAShaderNode : 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(), get_shader_function_name(), inputs, outputs);
  }
 
  int get_mode()
  {
    return bnode().custom1;
  }
 
  const char *get_shader_function_name()
  {
    switch (get_mode()) {
      case BLI_YCC_ITU_BT601:
        return "node_composite_separate_ycca_itu_601";
      case BLI_YCC_ITU_BT709:
        return "node_composite_separate_ycca_itu_709";
      case BLI_YCC_JFIF_0_255:
        return "node_composite_separate_ycca_jpeg";
    }
 
    BLI_assert_unreachable();
    return nullptr;
  }
};
 
static ShaderNode *get_compositor_shader_node(DNode node)
{
  return new SeparateYCCAShaderNode(node);
}
 
}  // namespace blender::nodes::node_composite_separate_ycca_cc
 
void register_node_type_cmp_sepycca()
{
  namespace file_ns = blender::nodes::node_composite_separate_ycca_cc;
 
  static blender::bke::bNodeType ntype;
 
  cmp_node_type_base(
      &ntype, CMP_NODE_SEPYCCA_LEGACY, "Separate YCbCrA (Legacy)", NODE_CLASS_CONVERTER);
  ntype.declare = file_ns::cmp_node_sepycca_declare;
  ntype.initfunc = file_ns::node_composit_init_mode_sepycca;
  ntype.gather_link_search_ops = nullptr;
  ntype.get_compositor_shader_node = file_ns::get_compositor_shader_node;
 
  blender::bke::node_register_type(&ntype);
}
 
/* **************** COMBINE YCCA ******************** */
 
namespace blender::nodes::node_composite_combine_ycca_cc {
 
static void cmp_node_combycca_declare(NodeDeclarationBuilder &b)
{
  b.add_input<decl::Float>("Y")
      .min(0.0f)
      .max(1.0f)
      .compositor_domain_priority(0)
      .translation_context(BLT_I18NCONTEXT_COLOR);
  b.add_input<decl::Float>("Cb")
      .default_value(0.5f)
      .min(0.0f)
      .max(1.0f)
      .compositor_domain_priority(1);
  b.add_input<decl::Float>("Cr")
      .default_value(0.5f)
      .min(0.0f)
      .max(1.0f)
      .compositor_domain_priority(2);
  b.add_input<decl::Float>("A")
      .default_value(1.0f)
      .min(0.0f)
      .max(1.0f)
      .compositor_domain_priority(3)
      .translation_context(BLT_I18NCONTEXT_COLOR);
  b.add_output<decl::Color>("Image");
}
 
static void node_composit_init_mode_combycca(bNodeTree * /*ntree*/, bNode *node)
{
  node->custom1 = 1; /* BLI_YCC_ITU_BT709 */
}
 
using namespace blender::realtime_compositor;
 
class CombineYCCAShaderNode : 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(), get_shader_function_name(), inputs, outputs);
  }
 
  int get_mode()
  {
    return bnode().custom1;
  }
 
  const char *get_shader_function_name()
  {
    switch (get_mode()) {
      case BLI_YCC_ITU_BT601:
        return "node_composite_combine_ycca_itu_601";
      case BLI_YCC_ITU_BT709:
        return "node_composite_combine_ycca_itu_709";
      case BLI_YCC_JFIF_0_255:
        return "node_composite_combine_ycca_jpeg";
    }
 
    BLI_assert_unreachable();
    return nullptr;
  }
};
 
static ShaderNode *get_compositor_shader_node(DNode node)
{
  return new CombineYCCAShaderNode(node);
}
 
}  // namespace blender::nodes::node_composite_combine_ycca_cc
 
void register_node_type_cmp_combycca()
{
  namespace file_ns = blender::nodes::node_composite_combine_ycca_cc;
 
  static blender::bke::bNodeType ntype;
 
  cmp_node_type_base(
      &ntype, CMP_NODE_COMBYCCA_LEGACY, "Combine YCbCrA (Legacy)", NODE_CLASS_CONVERTER);
  ntype.declare = file_ns::cmp_node_combycca_declare;
  ntype.initfunc = file_ns::node_composit_init_mode_combycca;
  ntype.gather_link_search_ops = nullptr;
  ntype.get_compositor_shader_node = file_ns::get_compositor_shader_node;
 
  blender::bke::node_register_type(&ntype);
}