diff options
Diffstat (limited to 'source/blender/nodes/shader/nodes/node_shader_hueSatVal.c')
| -rw-r--r-- | source/blender/nodes/shader/nodes/node_shader_hueSatVal.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_hueSatVal.c b/source/blender/nodes/shader/nodes/node_shader_hueSatVal.c new file mode 100644 index 00000000000..ef1434b82ca --- /dev/null +++ b/source/blender/nodes/shader/nodes/node_shader_hueSatVal.c @@ -0,0 +1,99 @@ +/* + * + * + * ***** 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) 2006 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): Juho Vepsäläinen + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/nodes/shader/nodes/node_shader_hueSatVal.c + * \ingroup shdnodes + */ + + +#include "node_shader_util.h" + + +/* **************** Hue Saturation ******************** */ +static bNodeSocketTemplate sh_node_hue_sat_in[]= { + { SOCK_FLOAT, 1, "Hue", 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE}, + { SOCK_FLOAT, 1, "Saturation", 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 2.0f, PROP_FACTOR}, + { SOCK_FLOAT, 1, "Value", 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 2.0f, PROP_FACTOR}, + { SOCK_FLOAT, 1, "Fac", 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR}, + { SOCK_RGBA, 1, "Color", 0.8f, 0.8f, 0.8f, 1.0f}, + { -1, 0, "" } +}; +static bNodeSocketTemplate sh_node_hue_sat_out[]= { + { SOCK_RGBA, 0, "Color"}, + { -1, 0, "" } +}; + +/* note: it would be possible to use CMP version for both nodes */ +static void do_hue_sat_fac(bNode *UNUSED(node), float *out, float *hue, float *sat, float *val, float *in, float *fac) +{ + if(*fac!=0.0f && (*hue!=0.5f || *sat!=1.0f || *val!=1.0f)) { + float col[3], hsv[3], mfac= 1.0f - *fac; + + rgb_to_hsv(in[0], in[1], in[2], hsv, hsv+1, hsv+2); + hsv[0]+= (*hue - 0.5f); + if(hsv[0]>1.0f) hsv[0]-=1.0f; else if(hsv[0]<0.0f) hsv[0]+= 1.0f; + hsv[1]*= *sat; + hsv[2]*= *val; + hsv_to_rgb(hsv[0], hsv[1], hsv[2], col, col+1, col+2); + + out[0]= mfac*in[0] + *fac*col[0]; + out[1]= mfac*in[1] + *fac*col[1]; + out[2]= mfac*in[2] + *fac*col[2]; + } + else { + QUATCOPY(out, in); + } +} + +static void node_shader_exec_hue_sat(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out) +{ + do_hue_sat_fac(node, out[0]->vec, in[0]->vec, in[1]->vec, in[2]->vec, in[4]->vec, in[3]->vec); +} + + +static int gpu_shader_hue_sat(GPUMaterial *mat, bNode *UNUSED(node), GPUNodeStack *in, GPUNodeStack *out) +{ + return GPU_stack_link(mat, "hue_sat", in, out); +} + +void register_node_type_sh_hue_sat(ListBase *lb) +{ + static bNodeType ntype; + + node_type_base(&ntype, SH_NODE_HUE_SAT, "Hue Saturation Value", NODE_CLASS_OP_COLOR, NODE_OPTIONS); + node_type_socket_templates(&ntype, sh_node_hue_sat_in, sh_node_hue_sat_out); + node_type_size(&ntype, 150, 80, 250); + node_type_exec(&ntype, node_shader_exec_hue_sat); + node_type_gpu(&ntype, gpu_shader_hue_sat); + + nodeRegisterType(lb, &ntype); +} + + + |