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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2006 Blender Foundation. All rights reserved. */
/** \file
* \ingroup cmpnodes
*/
#include "BLI_math_base.hh"
#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"
/* **************** BILATERALBLUR ******************** */
namespace blender::nodes::node_composite_bilateralblur_cc {
NODE_STORAGE_FUNCS(NodeBilateralBlurData)
static void cmp_node_bilateralblur_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_("Determinator"))
.default_value({1.0f, 1.0f, 1.0f, 1.0f})
.compositor_domain_priority(1);
b.add_output<decl::Color>(N_("Image"));
}
static void node_composit_init_bilateralblur(bNodeTree * /*ntree*/, bNode *node)
{
NodeBilateralBlurData *nbbd = MEM_cnew<NodeBilateralBlurData>(__func__);
node->storage = nbbd;
nbbd->iter = 1;
nbbd->sigma_color = 0.3;
nbbd->sigma_space = 5.0;
}
static void node_composit_buts_bilateralblur(uiLayout *layout, bContext * /*C*/, PointerRNA *ptr)
{
uiLayout *col;
col = uiLayoutColumn(layout, true);
uiItemR(col, ptr, "iterations", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
uiItemR(col, ptr, "sigma_color", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
uiItemR(col, ptr, "sigma_space", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
}
using namespace blender::realtime_compositor;
class BilateralBlurOperation : public NodeOperation {
public:
using NodeOperation::NodeOperation;
void execute() override
{
const Result &input_image = get_input("Image");
/* Single value inputs can't be blurred 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_bilateral_blur");
GPU_shader_bind(shader);
GPU_shader_uniform_1i(shader, "radius", get_blur_radius());
GPU_shader_uniform_1f(shader, "threshold", get_threshold());
input_image.bind_as_texture(shader, "input_tx");
const Result &determinator_image = get_input("Determinator");
determinator_image.bind_as_texture(shader, "determinator_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();
determinator_image.unbind_as_texture();
}
int get_blur_radius()
{
return math::ceil(node_storage(bnode()).iter + node_storage(bnode()).sigma_space);
}
float get_threshold()
{
return node_storage(bnode()).sigma_color;
}
};
static NodeOperation *get_compositor_operation(Context &context, DNode node)
{
return new BilateralBlurOperation(context, node);
}
} // namespace blender::nodes::node_composite_bilateralblur_cc
void register_node_type_cmp_bilateralblur()
{
namespace file_ns = blender::nodes::node_composite_bilateralblur_cc;
static bNodeType ntype;
cmp_node_type_base(&ntype, CMP_NODE_BILATERALBLUR, "Bilateral Blur", NODE_CLASS_OP_FILTER);
ntype.declare = file_ns::cmp_node_bilateralblur_declare;
ntype.draw_buttons = file_ns::node_composit_buts_bilateralblur;
ntype.initfunc = file_ns::node_composit_init_bilateralblur;
node_type_storage(
&ntype, "NodeBilateralBlurData", node_free_standard_storage, node_copy_standard_storage);
ntype.get_compositor_operation = file_ns::get_compositor_operation;
nodeRegisterType(&ntype);
}
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