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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 *****
*/
/** \file blender/nodes/shader/nodes/node_shader_valToRgb.c
* \ingroup shdnodes
*/
#include "node_shader_util.h"
/* **************** VALTORGB ******************** */
static bNodeSocketTemplate sh_node_valtorgb_in[]= {
{ SOCK_FLOAT, 1, "Fac", 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ -1, 0, "" }
};
static bNodeSocketTemplate sh_node_valtorgb_out[]= {
{ SOCK_RGBA, 0, "Color"},
{ SOCK_FLOAT, 0, "Alpha"},
{ -1, 0, "" }
};
static void node_shader_exec_valtorgb(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
{
/* stack order in: fac */
/* stack order out: col, alpha */
if(node->storage) {
float fac;
nodestack_get_vec(&fac, SOCK_FLOAT, in[0]);
do_colorband(node->storage, fac, out[0]->vec);
out[1]->vec[0]= out[0]->vec[3];
}
}
static void node_shader_init_valtorgb(bNodeTree *UNUSED(ntree), bNode* node, bNodeTemplate *UNUSED(ntemp))
{
node->storage= add_colorband(1);
}
static int gpu_shader_valtorgb(GPUMaterial *mat, bNode *node, GPUNodeStack *in, GPUNodeStack *out)
{
float *array;
int size;
colorband_table_RGBA(node->storage, &array, &size);
return GPU_stack_link(mat, "valtorgb", in, out, GPU_texture(size, array));
}
void register_node_type_sh_valtorgb(bNodeTreeType *ttype)
{
static bNodeType ntype;
node_type_base(ttype, &ntype, SH_NODE_VALTORGB, "ColorRamp", NODE_CLASS_CONVERTOR, NODE_OPTIONS);
node_type_compatibility(&ntype, NODE_OLD_SHADING);
node_type_socket_templates(&ntype, sh_node_valtorgb_in, sh_node_valtorgb_out);
node_type_size(&ntype, 240, 200, 300);
node_type_init(&ntype, node_shader_init_valtorgb);
node_type_storage(&ntype, "ColorBand", node_free_standard_storage, node_copy_standard_storage);
node_type_exec(&ntype, node_shader_exec_valtorgb);
node_type_gpu(&ntype, gpu_shader_valtorgb);
nodeRegisterType(ttype, &ntype);
}
/* **************** RGBTOBW ******************** */
static bNodeSocketTemplate sh_node_rgbtobw_in[]= {
{ SOCK_RGBA, 1, "Color", 0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketTemplate sh_node_rgbtobw_out[]= {
{ SOCK_FLOAT, 0, "Val", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static void node_shader_exec_rgbtobw(void *UNUSED(data), bNode *UNUSED(node), bNodeStack **in, bNodeStack **out)
{
/* stack order out: bw */
/* stack order in: col */
out[0]->vec[0]= in[0]->vec[0]*0.35f + in[0]->vec[1]*0.45f + in[0]->vec[2]*0.2f;
}
static int gpu_shader_rgbtobw(GPUMaterial *mat, bNode *UNUSED(node), GPUNodeStack *in, GPUNodeStack *out)
{
return GPU_stack_link(mat, "rgbtobw", in, out);
}
void register_node_type_sh_rgbtobw(bNodeTreeType *ttype)
{
static bNodeType ntype;
node_type_base(ttype, &ntype, SH_NODE_RGBTOBW, "RGB to BW", NODE_CLASS_CONVERTOR, 0);
node_type_compatibility(&ntype, NODE_OLD_SHADING|NODE_NEW_SHADING);
node_type_socket_templates(&ntype, sh_node_rgbtobw_in, sh_node_rgbtobw_out);
node_type_size(&ntype, 80, 40, 120);
node_type_exec(&ntype, node_shader_exec_rgbtobw);
node_type_gpu(&ntype, gpu_shader_rgbtobw);
nodeRegisterType(ttype, &ntype);
}
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