Differential D15160 Diff 53450 source/blender/nodes/shader/nodes/node_shader_vertex_color.cc

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source/blender/nodes/shader/nodes/node_shader_vertex_color.cc

/* SPDX-License-Identifier: GPL-2.0-or-later		/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2005 Blender Foundation. All rights reserved. */		* Copyright 2005 Blender Foundation. All rights reserved. */

#include "node_shader_util.hh"		#include "node_shader_util.hh"

		#include "NOD_geometry_exec.hh"

#include "BKE_context.h"		#include "BKE_context.h"

#include "UI_interface.h"		#include "UI_interface.h"
#include "UI_resources.h"		#include "UI_resources.h"

namespace blender::nodes::node_shader_vertex_color_cc {		namespace blender::nodes::node_shader_vertex_color_cc {

static void node_declare(NodeDeclarationBuilder &b)		static void node_declare(NodeDeclarationBuilder &b)
Show All 40 Lines	static int node_shader_gpu_vertex_color(GPUMaterial *mat,
}		}
else { /* Fall back on active render color attribute. */		else { /* Fall back on active render color attribute. */
vertexColorLink = GPU_attribute(mat, CD_MCOL, vertexColor->layer_name);		vertexColorLink = GPU_attribute(mat, CD_MCOL, vertexColor->layer_name);
}		}

return GPU_stack_link(mat, node, "node_vertex_color", in, out, vertexColorLink);		return GPU_stack_link(mat, node, "node_vertex_color", in, out, vertexColorLink);
}		}

		static void node_geo_exec(GeoNodeExecParams params)
		{
		const NodeShaderVertexColor attr = static_cast<const NodeShaderVertexColor >(
		params.node().storage);

		if (params.output_is_required("Color")) {
		Field<ColorGeometry4f> field{AttributeFieldInput::Create<ColorGeometry4f>(
		(attr->layer_name[0]) ? attr->layer_name : ".color_active")};
		params.set_output("Color", std::move(field));
		}
		if (params.output_is_required("Alpha")) {
		/* TODO: how to extract alpha channel? */
		}
		}

} // namespace blender::nodes::node_shader_vertex_color_cc		} // namespace blender::nodes::node_shader_vertex_color_cc

void register_node_type_sh_vertex_color()		void register_node_type_sh_vertex_color()
{		{
namespace file_ns = blender::nodes::node_shader_vertex_color_cc;		namespace file_ns = blender::nodes::node_shader_vertex_color_cc;

static bNodeType ntype;		static bNodeType ntype;

sh_node_type_base(&ntype, SH_NODE_VERTEX_COLOR, "Color Attribute", NODE_CLASS_INPUT);		sh_fn_node_type_base(&ntype, SH_NODE_VERTEX_COLOR, "Color Attribute", NODE_CLASS_INPUT);
ntype.declare = file_ns::node_declare;		ntype.declare = file_ns::node_declare;
ntype.draw_buttons = file_ns::node_shader_buts_vertex_color;		ntype.draw_buttons = file_ns::node_shader_buts_vertex_color;
node_type_init(&ntype, file_ns::node_shader_init_vertex_color);		node_type_init(&ntype, file_ns::node_shader_init_vertex_color);
node_type_storage(		node_type_storage(
&ntype, "NodeShaderVertexColor", node_free_standard_storage, node_copy_standard_storage);		&ntype, "NodeShaderVertexColor", node_free_standard_storage, node_copy_standard_storage);
node_type_gpu(&ntype, file_ns::node_shader_gpu_vertex_color);		node_type_gpu(&ntype, file_ns::node_shader_gpu_vertex_color);
		ntype.geometry_node_execute = file_ns::node_geo_exec;

nodeRegisterType(&ntype);		nodeRegisterType(&ntype);
}		}