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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2006 Blender Foundation. All rights reserved. */
/** \file
* \ingroup cmpnodes
*/
#include "UI_interface.h"
#include "UI_resources.h"
#include "GPU_material.h"
#include "COM_shader_node.hh"
#include "node_composite_util.hh"
/* ******************* Color Matte ********************************************************** */
namespace blender::nodes::node_composite_color_matte_cc {
static void cmp_node_color_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_color_matte(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeChroma *c = MEM_cnew<NodeChroma>(__func__);
node->storage = c;
c->t1 = 0.01f;
c->t2 = 0.1f;
c->t3 = 0.1f;
c->fsize = 0.0f;
c->fstrength = 1.0f;
}
static void node_composit_buts_color_matte(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
{
uiLayout *col;
col = uiLayoutColumn(layout, true);
uiItemR(
col, ptr, "color_hue", UI_ITEM_R_SPLIT_EMPTY_NAME | UI_ITEM_R_SLIDER, nullptr, ICON_NONE);
uiItemR(col,
ptr,
"color_saturation",
UI_ITEM_R_SPLIT_EMPTY_NAME | UI_ITEM_R_SLIDER,
nullptr,
ICON_NONE);
uiItemR(
col, ptr, "color_value", UI_ITEM_R_SPLIT_EMPTY_NAME | UI_ITEM_R_SLIDER, nullptr, ICON_NONE);
}
using namespace blender::realtime_compositor;
class ColorMatteShaderNode : public ShaderNode {
public:
using ShaderNode::ShaderNode;
void compile(GPUMaterial *material) override
{
GPUNodeStack *inputs = get_inputs_array();
GPUNodeStack *outputs = get_outputs_array();
const float hue_epsilon = get_hue_epsilon();
const float saturation_epsilon = get_saturation_epsilon();
const float value_epsilon = get_value_epsilon();
GPU_stack_link(material,
&bnode(),
"node_composite_color_matte",
inputs,
outputs,
GPU_uniform(&hue_epsilon),
GPU_uniform(&saturation_epsilon),
GPU_uniform(&value_epsilon));
}
NodeChroma *get_node_chroma()
{
return static_cast<NodeChroma *>(bnode().storage);
}
float get_hue_epsilon()
{
/* Divide by 2 because the hue wraps around. */
return get_node_chroma()->t1 / 2.0f;
}
float get_saturation_epsilon()
{
return get_node_chroma()->t2;
}
float get_value_epsilon()
{
return get_node_chroma()->t3;
}
};
static ShaderNode *get_compositor_shader_node(DNode node)
{
return new ColorMatteShaderNode(node);
}
} // namespace blender::nodes::node_composite_color_matte_cc
void register_node_type_cmp_color_matte()
{
namespace file_ns = blender::nodes::node_composite_color_matte_cc;
static bNodeType ntype;
cmp_node_type_base(&ntype, CMP_NODE_COLOR_MATTE, "Color Key", NODE_CLASS_MATTE);
ntype.declare = file_ns::cmp_node_color_matte_declare;
ntype.draw_buttons = file_ns::node_composit_buts_color_matte;
ntype.flag |= NODE_PREVIEW;
node_type_init(&ntype, file_ns::node_composit_init_color_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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