Clément Foucault
7ec7888ff3
Making them world space by default remove a lot of legacy conversion from viewspace.
86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2005 Blender Foundation.
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* All rights reserved.
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*/
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#include "../node_shader_util.h"
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/* **************** OUTPUT ******************** */
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static bNodeSocketTemplate sh_node_tangent_out[] = {
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{SOCK_VECTOR, 0, N_("Tangent"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
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{-1, 0, ""},
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};
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static void node_shader_init_tangent(bNodeTree *UNUSED(ntree), bNode *node)
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{
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NodeShaderTangent *attr = MEM_callocN(sizeof(NodeShaderTangent), "NodeShaderTangent");
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attr->axis = SHD_TANGENT_AXIS_Z;
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node->storage = attr;
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}
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static int node_shader_gpu_tangent(GPUMaterial *mat,
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bNode *node,
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bNodeExecData *UNUSED(execdata),
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GPUNodeStack *in,
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GPUNodeStack *out)
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{
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NodeShaderTangent *attr = node->storage;
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if (attr->direction_type == SHD_TANGENT_UVMAP) {
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return GPU_stack_link(mat, node, "node_tangentmap", in, out, GPU_attribute(CD_TANGENT, ""));
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}
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else {
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GPUNodeLink *orco = GPU_attribute(CD_ORCO, "");
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if (attr->axis == SHD_TANGENT_AXIS_X) {
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GPU_link(mat, "tangent_orco_x", orco, &orco);
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}
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else if (attr->axis == SHD_TANGENT_AXIS_Y) {
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GPU_link(mat, "tangent_orco_y", orco, &orco);
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}
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else {
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GPU_link(mat, "tangent_orco_z", orco, &orco);
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}
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return GPU_stack_link(mat,
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node,
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"node_tangent",
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in,
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out,
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GPU_builtin(GPU_WORLD_NORMAL),
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orco,
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GPU_builtin(GPU_OBJECT_MATRIX));
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}
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}
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/* node type definition */
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void register_node_type_sh_tangent(void)
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{
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static bNodeType ntype;
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sh_node_type_base(&ntype, SH_NODE_TANGENT, "Tangent", NODE_CLASS_INPUT, 0);
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node_type_socket_templates(&ntype, NULL, sh_node_tangent_out);
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node_type_size_preset(&ntype, NODE_SIZE_MIDDLE);
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node_type_init(&ntype, node_shader_init_tangent);
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node_type_gpu(&ntype, node_shader_gpu_tangent);
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node_type_storage(
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&ntype, "NodeShaderTangent", node_free_standard_storage, node_copy_standard_storage);
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nodeRegisterType(&ntype);
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}
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