diff options
Diffstat (limited to 'source/blender/nodes/shader/nodes/node_shader_value.c')
-rw-r--r-- | source/blender/nodes/shader/nodes/node_shader_value.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_value.c b/source/blender/nodes/shader/nodes/node_shader_value.c new file mode 100644 index 00000000000..21ff565306d --- /dev/null +++ b/source/blender/nodes/shader/nodes/node_shader_value.c @@ -0,0 +1,82 @@ +/* + * $Id: SHD_value.c 36536 2011-05-07 13:27:27Z lukastoenne $ + * + * ***** 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 ***** + */ + +/** \file blender/nodes/shader/nodes/node_shader_value.c + * \ingroup shdnodes + */ + + +#include "node_shader_util.h" + +/* **************** VALUE ******************** */ +static bNodeSocketTemplate sh_node_value_out[]= { + { SOCK_FLOAT, 0, "Value"}, + { -1, 0, "" } +}; + +static void node_shader_init_value(bNodeTree *UNUSED(ntree), bNode *node, bNodeTemplate *UNUSED(ntemp)) +{ + bNodeSocket *sock= node->outputs.first; + bNodeSocketValueFloat *dval= (bNodeSocketValueFloat*)sock->default_value; + /* uses the default value of the output socket, must be initialized here */ + dval->value = 0.5f; +} + +static void node_shader_exec_value(void *UNUSED(data), bNode *node, bNodeStack **UNUSED(in), bNodeStack **out) +{ + bNodeSocket *sock= node->outputs.first; + float val= ((bNodeSocketValueFloat*)sock->default_value)->value; + + out[0]->vec[0]= val; +} + +static int gpu_shader_value(GPUMaterial *mat, bNode *node, GPUNodeStack *in, GPUNodeStack *out) +{ + bNodeSocket *sock= node->outputs.first; + float *val= &((bNodeSocketValueFloat*)sock->default_value)->value; + GPUNodeLink *vec = GPU_uniform(val); + + return GPU_stack_link(mat, "set_value", in, out, vec); +} + +void register_node_type_sh_value(ListBase *lb) +{ + static bNodeType ntype; + + node_type_base(&ntype, SH_NODE_VALUE, "Value", NODE_CLASS_INPUT, NODE_OPTIONS); + node_type_socket_templates(&ntype, NULL, sh_node_value_out); + node_type_init(&ntype, node_shader_init_value); + node_type_size(&ntype, 80, 50, 120); + node_type_exec(&ntype, node_shader_exec_value); + node_type_gpu(&ntype, gpu_shader_value); + + nodeRegisterType(lb, &ntype); +} + + |