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/*
* $Id: SHD_rgb.c 36481 2011-05-04 11:42:25Z 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_rgb.c
* \ingroup shdnodes
*/
#include "node_shader_util.h"
/* **************** RGB ******************** */
static bNodeSocketTemplate sh_node_rgb_out[]= {
{ SOCK_RGBA, 0, "Color"},
{ -1, 0, "" }
};
static void node_shader_init_rgb(bNodeTree *UNUSED(ntree), bNode *node, bNodeTemplate *UNUSED(ntemp))
{
bNodeSocket *sock= node->outputs.first;
bNodeSocketValueRGBA *dval= (bNodeSocketValueRGBA*)sock->default_value;
/* uses the default value of the output socket, must be initialized here */
dval->value[0] = 0.5f;
dval->value[1] = 0.5f;
dval->value[2] = 0.5f;
dval->value[3] = 1.0f;
}
static void node_shader_exec_rgb(void *UNUSED(data), bNode *node, bNodeStack **UNUSED(in), bNodeStack **out)
{
bNodeSocket *sock= node->outputs.first;
float *col= ((bNodeSocketValueRGBA*)sock->default_value)->value;
VECCOPY(out[0]->vec, col);
}
static int gpu_shader_rgb(GPUMaterial *mat, bNode *node, GPUNodeStack *in, GPUNodeStack *out)
{
bNodeSocket *sock= node->outputs.first;
float *col= ((bNodeSocketValueRGBA*)sock->default_value)->value;
GPUNodeLink *vec = GPU_uniform(col);
return GPU_stack_link(mat, "set_rgba", in, out, vec);
}
void register_node_type_sh_rgb(ListBase *lb)
{
static bNodeType ntype;
node_type_base(&ntype, SH_NODE_RGB, "RGB", NODE_CLASS_INPUT, NODE_OPTIONS);
node_type_socket_templates(&ntype, NULL, sh_node_rgb_out);
node_type_init(&ntype, node_shader_init_rgb);
node_type_size(&ntype, 140, 80, 140);
node_type_exec(&ntype, node_shader_exec_rgb);
node_type_gpu(&ntype, gpu_shader_rgb);
nodeRegisterType(lb, &ntype);
}
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