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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_curves.c
* \ingroup shdnodes
*/
#include "node_shader_util.h"
/* **************** CURVE VEC ******************** */
static bNodeSocketTemplate sh_node_curve_vec_in[] = {
{ SOCK_FLOAT, 0, N_("Fac"), 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_VECTOR, 1, N_("Vector"), 0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f, PROP_NONE},
{ -1, 0, "" }
};
static bNodeSocketTemplate sh_node_curve_vec_out[] = {
{ SOCK_VECTOR, 0, N_("Vector")},
{ -1, 0, "" }
};
static void node_shader_exec_curve_vec(void *UNUSED(data), int UNUSED(thread), bNode *node, bNodeExecData *UNUSED(execdata), bNodeStack **in, bNodeStack **out)
{
float vec[3];
/* stack order input: vec */
/* stack order output: vec */
nodestack_get_vec(vec, SOCK_VECTOR, in[1]);
curvemapping_evaluate3F(node->storage, out[0]->vec, vec);
}
static void node_shader_init_curve_vec(bNodeTree *UNUSED(ntree), bNode *node)
{
node->storage = curvemapping_add(3, -1.0f, -1.0f, 1.0f, 1.0f);
}
static int gpu_shader_curve_vec(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
float *array;
int size;
curvemapping_table_RGBA(node->storage, &array, &size);
return GPU_stack_link(mat, node, "curves_vec", in, out, GPU_texture(size, array));
}
void register_node_type_sh_curve_vec(void)
{
static bNodeType ntype;
sh_node_type_base(&ntype, SH_NODE_CURVE_VEC, "Vector Curves", NODE_CLASS_OP_VECTOR, 0);
node_type_socket_templates(&ntype, sh_node_curve_vec_in, sh_node_curve_vec_out);
node_type_init(&ntype, node_shader_init_curve_vec);
node_type_size_preset(&ntype, NODE_SIZE_LARGE);
node_type_storage(&ntype, "CurveMapping", node_free_curves, node_copy_curves);
node_type_exec(&ntype, node_initexec_curves, NULL, node_shader_exec_curve_vec);
node_type_gpu(&ntype, gpu_shader_curve_vec);
nodeRegisterType(&ntype);
}
/* **************** CURVE RGB ******************** */
static bNodeSocketTemplate sh_node_curve_rgb_in[] = {
{ SOCK_FLOAT, 1, N_("Fac"), 1.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f, PROP_FACTOR},
{ SOCK_RGBA, 1, N_("Color"), 0.0f, 0.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketTemplate sh_node_curve_rgb_out[] = {
{ SOCK_RGBA, 0, N_("Color")},
{ -1, 0, "" }
};
static void node_shader_exec_curve_rgb(void *UNUSED(data), int UNUSED(thread), bNode *node, bNodeExecData *UNUSED(execdata), bNodeStack **in, bNodeStack **out)
{
float vec[3];
float fac;
/* stack order input: vec */
/* stack order output: vec */
nodestack_get_vec(&fac, SOCK_FLOAT, in[0]);
nodestack_get_vec(vec, SOCK_VECTOR, in[1]);
curvemapping_evaluateRGBF(node->storage, out[0]->vec, vec);
if (fac != 1.0f) {
interp_v3_v3v3(out[0]->vec, vec, out[0]->vec, fac);
}
}
static void node_shader_init_curve_rgb(bNodeTree *UNUSED(ntree), bNode *node)
{
node->storage = curvemapping_add(4, 0.0f, 0.0f, 1.0f, 1.0f);
}
static int gpu_shader_curve_rgb(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
float *array;
int size;
curvemapping_initialize(node->storage);
curvemapping_table_RGBA(node->storage, &array, &size);
return GPU_stack_link(mat, node, "curves_rgb", in, out, GPU_texture(size, array));
}
void register_node_type_sh_curve_rgb(void)
{
static bNodeType ntype;
sh_node_type_base(&ntype, SH_NODE_CURVE_RGB, "RGB Curves", NODE_CLASS_OP_COLOR, 0);
node_type_socket_templates(&ntype, sh_node_curve_rgb_in, sh_node_curve_rgb_out);
node_type_init(&ntype, node_shader_init_curve_rgb);
node_type_size_preset(&ntype, NODE_SIZE_LARGE);
node_type_storage(&ntype, "CurveMapping", node_free_curves, node_copy_curves);
node_type_exec(&ntype, node_initexec_curves, NULL, node_shader_exec_curve_rgb);
node_type_gpu(&ntype, gpu_shader_curve_rgb);
nodeRegisterType(&ntype);
}
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