diff options
Diffstat (limited to 'source/blender/nodes/shader/nodes/node_shader_layer_weight.c')
-rw-r--r-- | source/blender/nodes/shader/nodes/node_shader_layer_weight.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_layer_weight.c b/source/blender/nodes/shader/nodes/node_shader_layer_weight.c new file mode 100644 index 00000000000..c26b40b081c --- /dev/null +++ b/source/blender/nodes/shader/nodes/node_shader_layer_weight.c @@ -0,0 +1,75 @@ +/* + * 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.h" + +/* **************** Layer Weight ******************** */ + +static bNodeSocketTemplate sh_node_layer_weight_in[] = { + {SOCK_FLOAT, N_("Blend"), 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f}, + {SOCK_VECTOR, N_("Normal"), 0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE}, + {-1, ""}, +}; + +static bNodeSocketTemplate sh_node_layer_weight_out[] = { + {SOCK_FLOAT, N_("Fresnel"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f}, + {SOCK_FLOAT, N_("Facing"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f}, + {-1, ""}, +}; + +static int node_shader_gpu_layer_weight(GPUMaterial *mat, + bNode *node, + bNodeExecData *UNUSED(execdata), + GPUNodeStack *in, + GPUNodeStack *out) +{ + if (!in[1].link) { + in[1].link = GPU_builtin(GPU_VIEW_NORMAL); + } + else { + GPU_link( + mat, "direction_transform_m4v3", in[1].link, GPU_builtin(GPU_VIEW_MATRIX), &in[1].link); + } + + return GPU_stack_link(mat, node, "node_layer_weight", in, out, GPU_builtin(GPU_VIEW_POSITION)); +} + +static void node_shader_exec_layer_weight(void *UNUSED(data), + int UNUSED(thread), + bNode *UNUSED(node), + bNodeExecData *UNUSED(execdata), + bNodeStack **UNUSED(in), + bNodeStack **UNUSED(out)) +{ +} + +/* node type definition */ +void register_node_type_sh_layer_weight(void) +{ + static bNodeType ntype; + + sh_node_type_base(&ntype, SH_NODE_LAYER_WEIGHT, "Layer Weight", NODE_CLASS_INPUT, 0); + node_type_socket_templates(&ntype, sh_node_layer_weight_in, sh_node_layer_weight_out); + node_type_init(&ntype, NULL); + node_type_storage(&ntype, "", NULL, NULL); + node_type_gpu(&ntype, node_shader_gpu_layer_weight); + node_type_exec(&ntype, NULL, NULL, node_shader_exec_layer_weight); + + nodeRegisterType(&ntype); +} |