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blender-archive/source/blender/nodes/shader/nodes/node_shader_output_material.cc

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C++

/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2005 Blender Foundation.
* All rights reserved.
*/
#include "node_shader_util.hh"
#include "BKE_scene.h"
namespace blender::nodes::node_shader_output_material_cc {
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Shader>(N_("Surface"));
b.add_input<decl::Shader>(N_("Volume"));
b.add_input<decl::Vector>(N_("Displacement")).hide_value();
}
static int node_shader_gpu_output_material(GPUMaterial *mat,
bNode *node,
bNodeExecData *UNUSED(execdata),
GPUNodeStack *in,
GPUNodeStack *out)
{
GPUNodeLink *outlink, *alpha_threshold_link, *shadow_threshold_link;
Material *ma = GPU_material_get_material(mat);
static float no_alpha_threshold = -1.0f;
if (ma) {
alpha_threshold_link = GPU_uniform((ma->blend_method == MA_BM_CLIP) ? &ma->alpha_threshold :
&no_alpha_threshold);
shadow_threshold_link = GPU_uniform((ma->blend_shadow == MA_BS_CLIP) ? &ma->alpha_threshold :
&no_alpha_threshold);
}
else {
alpha_threshold_link = GPU_uniform(&no_alpha_threshold);
shadow_threshold_link = GPU_uniform(&no_alpha_threshold);
}
GPU_stack_link(mat,
node,
"node_output_material",
in,
out,
alpha_threshold_link,
shadow_threshold_link,
&outlink);
GPU_material_output_link(mat, outlink);
return true;
}
} // namespace blender::nodes::node_shader_output_material_cc
/* node type definition */
void register_node_type_sh_output_material()
{
namespace file_ns = blender::nodes::node_shader_output_material_cc;
static bNodeType ntype;
sh_node_type_base(&ntype, SH_NODE_OUTPUT_MATERIAL, "Material Output", NODE_CLASS_OUTPUT);
ntype.declare = file_ns::node_declare;
node_type_gpu(&ntype, file_ns::node_shader_gpu_output_material);
ntype.no_muting = true;
nodeRegisterType(&ntype);
}