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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_shader.h"
#include "COM_node_operation.hh"
#include "COM_utilities.hh"
#include "node_composite_util.hh"
/* **************** FILTER ******************** */
namespace blender::nodes::node_composite_despeckle_cc {
static void cmp_node_despeckle_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Float>(N_("Fac"))
.default_value(1.0f)
.min(0.0f)
.max(1.0f)
.subtype(PROP_FACTOR)
.compositor_domain_priority(1);
b.add_input<decl::Color>(N_("Image"))
.default_value({1.0f, 1.0f, 1.0f, 1.0f})
.compositor_domain_priority(0);
b.add_output<decl::Color>(N_("Image"));
}
static void node_composit_init_despeckle(bNodeTree * /*ntree*/, bNode *node)
{
node->custom3 = 0.5f;
node->custom4 = 0.5f;
}
static void node_composit_buts_despeckle(uiLayout *layout, bContext * /*C*/, PointerRNA *ptr)
{
uiLayout *col;
col = uiLayoutColumn(layout, false);
uiItemR(col, ptr, "threshold", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
uiItemR(col, ptr, "threshold_neighbor", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
}
using namespace blender::realtime_compositor;
class DespeckleOperation : public NodeOperation {
public:
using NodeOperation::NodeOperation;
void execute() override
{
const Result &input_image = get_input("Image");
/* Single value inputs can't be despeckled and are returned as is. */
if (input_image.is_single_value()) {
get_input("Image").pass_through(get_result("Image"));
return;
}
GPUShader *shader = shader_manager().get("compositor_despeckle");
GPU_shader_bind(shader);
GPU_shader_uniform_1f(shader, "threshold", get_threshold());
GPU_shader_uniform_1f(shader, "neighbor_threshold", get_neighbor_threshold());
input_image.bind_as_texture(shader, "input_tx");
const Result &factor_image = get_input("Fac");
factor_image.bind_as_texture(shader, "factor_tx");
const Domain domain = compute_domain();
Result &output_image = get_result("Image");
output_image.allocate_texture(domain);
output_image.bind_as_image(shader, "output_img");
compute_dispatch_threads_at_least(shader, domain.size);
GPU_shader_unbind();
output_image.unbind_as_image();
input_image.unbind_as_texture();
factor_image.unbind_as_texture();
}
float get_threshold()
{
return bnode().custom3;
}
float get_neighbor_threshold()
{
return bnode().custom4;
}
};
static NodeOperation *get_compositor_operation(Context &context, DNode node)
{
return new DespeckleOperation(context, node);
}
} // namespace blender::nodes::node_composite_despeckle_cc
void register_node_type_cmp_despeckle()
{
namespace file_ns = blender::nodes::node_composite_despeckle_cc;
static bNodeType ntype;
cmp_node_type_base(&ntype, CMP_NODE_DESPECKLE, "Despeckle", NODE_CLASS_OP_FILTER);
ntype.declare = file_ns::cmp_node_despeckle_declare;
ntype.draw_buttons = file_ns::node_composit_buts_despeckle;
ntype.flag |= NODE_PREVIEW;
ntype.initfunc = file_ns::node_composit_init_despeckle;
ntype.get_compositor_operation = file_ns::get_compositor_operation;
nodeRegisterType(&ntype);
}
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