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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2006 Blender Foundation. All rights reserved. */
/** \file
* \ingroup cmpnodes
*/
#include <cmath>
#include "UI_interface.h"
#include "UI_resources.h"
#include "GPU_material.h"
#include "COM_shader_node.hh"
#include "node_composite_util.hh"
/* ******************* Chroma Key ********************************************************** */
namespace blender::nodes::node_composite_chroma_matte_cc {
static void cmp_node_chroma_matte_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Color>(N_("Image"))
.default_value({1.0f, 1.0f, 1.0f, 1.0f})
.compositor_domain_priority(0);
b.add_input<decl::Color>(N_("Key Color"))
.default_value({1.0f, 1.0f, 1.0f, 1.0f})
.compositor_domain_priority(1);
b.add_output<decl::Color>(N_("Image"));
b.add_output<decl::Float>(N_("Matte"));
}
static void node_composit_init_chroma_matte(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeChroma *c = MEM_cnew<NodeChroma>(__func__);
node->storage = c;
c->t1 = DEG2RADF(30.0f);
c->t2 = DEG2RADF(10.0f);
c->t3 = 0.0f;
c->fsize = 0.0f;
c->fstrength = 1.0f;
}
static void node_composit_buts_chroma_matte(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
{
uiLayout *col;
col = uiLayoutColumn(layout, false);
uiItemR(col, ptr, "tolerance", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
uiItemR(col, ptr, "threshold", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
col = uiLayoutColumn(layout, true);
/* Removed for now. */
// uiItemR(col, ptr, "lift", UI_ITEM_R_SLIDER, nullptr, ICON_NONE);
uiItemR(col, ptr, "gain", UI_ITEM_R_SPLIT_EMPTY_NAME | UI_ITEM_R_SLIDER, nullptr, ICON_NONE);
/* Removed for now. */
// uiItemR(col, ptr, "shadow_adjust", UI_ITEM_R_SLIDER, nullptr, ICON_NONE);
}
using namespace blender::realtime_compositor;
class ChromaMatteShaderNode : public ShaderNode {
public:
using ShaderNode::ShaderNode;
void compile(GPUMaterial *material) override
{
GPUNodeStack *inputs = get_inputs_array();
GPUNodeStack *outputs = get_outputs_array();
const float acceptance = get_acceptance();
const float cutoff = get_cutoff();
const float falloff = get_falloff();
GPU_stack_link(material,
&bnode(),
"node_composite_chroma_matte",
inputs,
outputs,
GPU_uniform(&acceptance),
GPU_uniform(&cutoff),
GPU_uniform(&falloff));
}
NodeChroma *get_node_chroma()
{
return static_cast<NodeChroma *>(bnode().storage);
}
float get_acceptance()
{
return std::tan(get_node_chroma()->t1) / 2.0f;
}
float get_cutoff()
{
return get_node_chroma()->t2;
}
float get_falloff()
{
return get_node_chroma()->fstrength;
}
};
static ShaderNode *get_compositor_shader_node(DNode node)
{
return new ChromaMatteShaderNode(node);
}
} // namespace blender::nodes::node_composite_chroma_matte_cc
void register_node_type_cmp_chroma_matte()
{
namespace file_ns = blender::nodes::node_composite_chroma_matte_cc;
static bNodeType ntype;
cmp_node_type_base(&ntype, CMP_NODE_CHROMA_MATTE, "Chroma Key", NODE_CLASS_MATTE);
ntype.declare = file_ns::cmp_node_chroma_matte_declare;
ntype.draw_buttons = file_ns::node_composit_buts_chroma_matte;
ntype.flag |= NODE_PREVIEW;
node_type_init(&ntype, file_ns::node_composit_init_chroma_matte);
node_type_storage(&ntype, "NodeChroma", node_free_standard_storage, node_copy_standard_storage);
ntype.get_compositor_shader_node = file_ns::get_compositor_shader_node;
nodeRegisterType(&ntype);
}
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