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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"
/* **************** SET ALPHA ******************** */
namespace blender::nodes::node_composite_setalpha_cc {
NODE_STORAGE_FUNCS(NodeSetAlpha)
static void cmp_node_setalpha_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::Float>(N_("Alpha"))
.default_value(1.0f)
.min(0.0f)
.max(1.0f)
.compositor_domain_priority(1);
b.add_output<decl::Color>(N_("Image"));
}
static void node_composit_init_setalpha(bNodeTree * /*ntree*/, bNode *node)
{
NodeSetAlpha *settings = MEM_cnew<NodeSetAlpha>(__func__);
node->storage = settings;
settings->mode = CMP_NODE_SETALPHA_MODE_APPLY;
}
static void node_composit_buts_set_alpha(uiLayout *layout, bContext * /*C*/, PointerRNA *ptr)
{
uiItemR(layout, ptr, "mode", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
}
using namespace blender::realtime_compositor;
class SetAlphaShaderNode : public ShaderNode {
public:
using ShaderNode::ShaderNode;
void compile(GPUMaterial *material) override
{
GPUNodeStack *inputs = get_inputs_array();
GPUNodeStack *outputs = get_outputs_array();
if (node_storage(bnode()).mode == CMP_NODE_SETALPHA_MODE_APPLY) {
GPU_stack_link(material, &bnode(), "node_composite_set_alpha_apply", inputs, outputs);
return;
}
GPU_stack_link(material, &bnode(), "node_composite_set_alpha_replace", inputs, outputs);
}
};
static ShaderNode *get_compositor_shader_node(DNode node)
{
return new SetAlphaShaderNode(node);
}
} // namespace blender::nodes::node_composite_setalpha_cc
void register_node_type_cmp_setalpha()
{
namespace file_ns = blender::nodes::node_composite_setalpha_cc;
static bNodeType ntype;
cmp_node_type_base(&ntype, CMP_NODE_SETALPHA, "Set Alpha", NODE_CLASS_CONVERTER);
ntype.declare = file_ns::cmp_node_setalpha_declare;
ntype.draw_buttons = file_ns::node_composit_buts_set_alpha;
node_type_init(&ntype, file_ns::node_composit_init_setalpha);
node_type_storage(
&ntype, "NodeSetAlpha", 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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