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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "../node_shader_util.h"
/* **************** OUTPUT ******************** */
static bNodeSocketTemplate sh_node_bsdf_principled_in[] = {
{ SOCK_RGBA, 1, N_("Base Color"), 0.8f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f},
{ SOCK_FLOAT, 1, N_("Subsurface"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_VECTOR, 1, N_("Subsurface Radius"), 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 100.0f},
{ SOCK_RGBA, 1, N_("Subsurface Color"), 0.7f, 0.1f, 0.1f, 1.0f, 0.0f, 1.0f},
{ SOCK_FLOAT, 1, N_("Metallic"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_FLOAT, 1, N_("Specular"), 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_FLOAT, 1, N_("Specular Tint"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_FLOAT, 1, N_("Roughness"), 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_FLOAT, 1, N_("Anisotropic"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_FLOAT, 1, N_("Anisotropic Rotation"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_FLOAT, 1, N_("Sheen"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_FLOAT, 1, N_("Sheen Tint"), 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_FLOAT, 1, N_("Clearcoat"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_FLOAT, 1, N_("Clearcoat Gloss"), 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_FLOAT, 1, N_("IOR"), 1.45f, 0.0f, 0.0f, 0.0f, 0.0f, 1000.0f},
{ SOCK_FLOAT, 1, N_("Transparency"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_FLOAT, 1, N_("Refraction Roughness"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_VECTOR, 1, N_("Normal"), 0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
{ SOCK_VECTOR, 1, N_("Clearcoat Normal"), 0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
{ SOCK_VECTOR, 1, N_("Tangent"), 0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
{ -1, 0, "" }
};
static bNodeSocketTemplate sh_node_bsdf_principled_out[] = {
{ SOCK_SHADER, 0, N_("BSDF")},
{ -1, 0, "" }
};
static void node_shader_init_principled(bNodeTree *UNUSED(ntree), bNode *node)
{
node->custom1 = SHD_GLOSSY_MULTI_GGX;
}
static int node_shader_gpu_bsdf_principled(GPUMaterial *mat, bNode *UNUSED(node), bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
// normal
if (!in[17].link)
in[17].link = GPU_builtin(GPU_VIEW_NORMAL);
else
GPU_link(mat, "direction_transform_m4v3", in[17].link, GPU_builtin(GPU_VIEW_MATRIX), &in[17].link);
// clearcoat normal
if (!in[18].link)
in[18].link = GPU_builtin(GPU_VIEW_NORMAL);
else
GPU_link(mat, "direction_transform_m4v3", in[18].link, GPU_builtin(GPU_VIEW_MATRIX), &in[18].link);
return GPU_stack_link(mat, "node_bsdf_principled", in, out, GPU_builtin(GPU_VIEW_POSITION));
}
static void node_shader_update_principled(bNodeTree *UNUSED(ntree), bNode *node)
{
bNodeSocket *sock;
int distribution = node->custom1;
for (sock = node->inputs.first; sock; sock = sock->next) {
if (STREQ(sock->name, "Refraction Roughness")) {
if (distribution == SHD_GLOSSY_GGX)
sock->flag &= ~SOCK_UNAVAIL;
else
sock->flag |= SOCK_UNAVAIL;
}
}
}
/* node type definition */
void register_node_type_sh_bsdf_principled(void)
{
static bNodeType ntype;
sh_node_type_base(&ntype, SH_NODE_BSDF_PRINCIPLED, "Principled BSDF", NODE_CLASS_SHADER, 0);
node_type_compatibility(&ntype, NODE_NEW_SHADING);
node_type_socket_templates(&ntype, sh_node_bsdf_principled_in, sh_node_bsdf_principled_out);
node_type_size_preset(&ntype, NODE_SIZE_MIDDLE);
node_type_init(&ntype, node_shader_init_principled);
node_type_storage(&ntype, "", NULL, NULL);
node_type_gpu(&ntype, node_shader_gpu_bsdf_principled);
node_type_update(&ntype, node_shader_update_principled, NULL);
nodeRegisterType(&ntype);
}
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