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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2006 Blender Foundation. All rights reserved. */
/** \file
* \ingroup cmpnodes
*/
#include "BKE_texture.h"
#include "RNA_access.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "GPU_material.h"
#include "COM_shader_node.hh"
#include "node_composite_util.hh"
/* **************** MAP VALUE ******************** */
namespace blender::nodes::node_composite_map_value_cc {
NODE_STORAGE_FUNCS(TexMapping)
static void cmp_node_map_value_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Float>(N_("Value"))
.default_value(1.0f)
.min(0.0f)
.max(1.0f)
.compositor_domain_priority(0);
b.add_output<decl::Float>(N_("Value"));
}
static void node_composit_init_map_value(bNodeTree * /*ntree*/, bNode *node)
{
node->storage = BKE_texture_mapping_add(TEXMAP_TYPE_POINT);
}
static void node_composit_buts_map_value(uiLayout *layout, bContext * /*C*/, PointerRNA *ptr)
{
uiLayout *sub, *col;
col = uiLayoutColumn(layout, true);
uiItemR(col, ptr, "offset", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
uiItemR(col, ptr, "size", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
col = uiLayoutColumn(layout, true);
uiItemR(col, ptr, "use_min", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
sub = uiLayoutColumn(col, false);
uiLayoutSetActive(sub, RNA_boolean_get(ptr, "use_min"));
uiItemR(sub, ptr, "min", UI_ITEM_R_SPLIT_EMPTY_NAME, "", ICON_NONE);
col = uiLayoutColumn(layout, true);
uiItemR(col, ptr, "use_max", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
sub = uiLayoutColumn(col, false);
uiLayoutSetActive(sub, RNA_boolean_get(ptr, "use_max"));
uiItemR(sub, ptr, "max", UI_ITEM_R_SPLIT_EMPTY_NAME, "", ICON_NONE);
}
using namespace blender::realtime_compositor;
class MapValueShaderNode : public ShaderNode {
public:
using ShaderNode::ShaderNode;
void compile(GPUMaterial *material) override
{
GPUNodeStack *inputs = get_inputs_array();
GPUNodeStack *outputs = get_outputs_array();
const TexMapping &texture_mapping = node_storage(bnode());
const float use_min = get_use_min();
const float use_max = get_use_max();
GPU_stack_link(material,
&bnode(),
"node_composite_map_value",
inputs,
outputs,
GPU_uniform(texture_mapping.loc),
GPU_uniform(texture_mapping.size),
GPU_constant(&use_min),
GPU_uniform(texture_mapping.min),
GPU_constant(&use_max),
GPU_uniform(texture_mapping.max));
}
bool get_use_min()
{
return node_storage(bnode()).flag & TEXMAP_CLIP_MIN;
}
bool get_use_max()
{
return node_storage(bnode()).flag & TEXMAP_CLIP_MAX;
}
};
static ShaderNode *get_compositor_shader_node(DNode node)
{
return new MapValueShaderNode(node);
}
} // namespace blender::nodes::node_composite_map_value_cc
void register_node_type_cmp_map_value()
{
namespace file_ns = blender::nodes::node_composite_map_value_cc;
static bNodeType ntype;
cmp_node_type_base(&ntype, CMP_NODE_MAP_VALUE, "Map Value", NODE_CLASS_OP_VECTOR);
ntype.declare = file_ns::cmp_node_map_value_declare;
ntype.draw_buttons = file_ns::node_composit_buts_map_value;
ntype.initfunc = file_ns::node_composit_init_map_value;
node_type_storage(&ntype, "TexMapping", 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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