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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 "BLI_math_vec_types.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"
/* **************** SCALAR MATH ******************** */
namespace blender::nodes::node_composite_boxmask_cc {
NODE_STORAGE_FUNCS(NodeBoxMask)
static void cmp_node_boxmask_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Float>(N_("Mask")).default_value(0.0f).min(0.0f).max(1.0f);
b.add_input<decl::Float>(N_("Value")).default_value(1.0f).min(0.0f).max(1.0f);
b.add_output<decl::Float>(N_("Mask"));
}
static void node_composit_init_boxmask(bNodeTree * /*ntree*/, bNode *node)
{
NodeBoxMask *data = MEM_cnew<NodeBoxMask>(__func__);
data->x = 0.5;
data->y = 0.5;
data->width = 0.2;
data->height = 0.1;
data->rotation = 0.0;
node->storage = data;
}
static void node_composit_buts_boxmask(uiLayout *layout, bContext * /*C*/, PointerRNA *ptr)
{
uiLayout *row;
row = uiLayoutRow(layout, true);
uiItemR(row, ptr, "x", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
uiItemR(row, ptr, "y", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
row = uiLayoutRow(layout, true);
uiItemR(row, ptr, "width", UI_ITEM_R_SPLIT_EMPTY_NAME | UI_ITEM_R_SLIDER, nullptr, ICON_NONE);
uiItemR(row, ptr, "height", UI_ITEM_R_SPLIT_EMPTY_NAME | UI_ITEM_R_SLIDER, nullptr, ICON_NONE);
uiItemR(layout, ptr, "rotation", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
uiItemR(layout, ptr, "mask_type", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
}
using namespace blender::realtime_compositor;
class BoxMaskOperation : public NodeOperation {
public:
using NodeOperation::NodeOperation;
void execute() override
{
GPUShader *shader = shader_manager().get(get_shader_name());
GPU_shader_bind(shader);
const Domain domain = compute_domain();
GPU_shader_uniform_2iv(shader, "domain_size", domain.size);
GPU_shader_uniform_2fv(shader, "location", get_location());
GPU_shader_uniform_2fv(shader, "size", get_size() / 2.0f);
GPU_shader_uniform_1f(shader, "cos_angle", std::cos(get_angle()));
GPU_shader_uniform_1f(shader, "sin_angle", std::sin(get_angle()));
const Result &input_mask = get_input("Mask");
input_mask.bind_as_texture(shader, "base_mask_tx");
const Result &value = get_input("Value");
value.bind_as_texture(shader, "mask_value_tx");
Result &output_mask = get_result("Mask");
output_mask.allocate_texture(domain);
output_mask.bind_as_image(shader, "output_mask_img");
compute_dispatch_threads_at_least(shader, domain.size);
input_mask.unbind_as_texture();
value.unbind_as_texture();
output_mask.unbind_as_image();
GPU_shader_unbind();
}
Domain compute_domain() override
{
if (get_input("Mask").is_single_value()) {
return Domain(context().get_output_size());
}
return get_input("Mask").domain();
}
CMPNodeMaskType get_mask_type()
{
return (CMPNodeMaskType)bnode().custom1;
}
const char *get_shader_name()
{
switch (get_mask_type()) {
default:
case CMP_NODE_MASKTYPE_ADD:
return "compositor_box_mask_add";
case CMP_NODE_MASKTYPE_SUBTRACT:
return "compositor_box_mask_subtract";
case CMP_NODE_MASKTYPE_MULTIPLY:
return "compositor_box_mask_multiply";
case CMP_NODE_MASKTYPE_NOT:
return "compositor_box_mask_not";
}
}
float2 get_location()
{
return float2(node_storage(bnode()).x, node_storage(bnode()).y);
}
float2 get_size()
{
return float2(node_storage(bnode()).width, node_storage(bnode()).height);
}
float get_angle()
{
return node_storage(bnode()).rotation;
}
};
static NodeOperation *get_compositor_operation(Context &context, DNode node)
{
return new BoxMaskOperation(context, node);
}
} // namespace blender::nodes::node_composite_boxmask_cc
void register_node_type_cmp_boxmask()
{
namespace file_ns = blender::nodes::node_composite_boxmask_cc;
static bNodeType ntype;
cmp_node_type_base(&ntype, CMP_NODE_MASK_BOX, "Box Mask", NODE_CLASS_MATTE);
ntype.declare = file_ns::cmp_node_boxmask_declare;
ntype.draw_buttons = file_ns::node_composit_buts_boxmask;
ntype.initfunc = file_ns::node_composit_init_boxmask;
node_type_storage(&ntype, "NodeBoxMask", node_free_standard_storage, node_copy_standard_storage);
ntype.get_compositor_operation = file_ns::get_compositor_operation;
nodeRegisterType(&ntype);
}
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