diff options
Diffstat (limited to 'source/blender/nodes/shader/nodes/node_shader_invert.c')
| -rw-r--r-- | source/blender/nodes/shader/nodes/node_shader_invert.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_invert.c b/source/blender/nodes/shader/nodes/node_shader_invert.c new file mode 100644 index 00000000000..bd7e571f073 --- /dev/null +++ b/source/blender/nodes/shader/nodes/node_shader_invert.c @@ -0,0 +1,90 @@ +/* + * $Id: SHD_invert.c 36593 2011-05-10 11:19:26Z 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_invert.c + * \ingroup shdnodes + */ + + +#include "node_shader_util.h" + + + +/* **************** INVERT ******************** */ +static bNodeSocketTemplate sh_node_invert_in[]= { + { SOCK_FLOAT, 1, "Fac", 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR}, + { SOCK_RGBA, 1, "Color", 0.0f, 0.0f, 0.0f, 1.0f}, + { -1, 0, "" } +}; + +static bNodeSocketTemplate sh_node_invert_out[]= { + { SOCK_RGBA, 0, "Color"}, + { -1, 0, "" } +}; + +static void node_shader_exec_invert(void *UNUSED(data), bNode *UNUSED(node), bNodeStack **in, +bNodeStack **out) +{ + float col[3], facm; + + col[0] = 1.0f - in[1]->vec[0]; + col[1] = 1.0f - in[1]->vec[1]; + col[2] = 1.0f - in[1]->vec[2]; + + /* if fac, blend result against original input */ + if (in[0]->vec[0] < 1.0f) { + facm = 1.0f - in[0]->vec[0]; + + col[0] = in[0]->vec[0]*col[0] + (facm*in[1]->vec[0]); + col[1] = in[0]->vec[0]*col[1] + (facm*in[1]->vec[1]); + col[2] = in[0]->vec[0]*col[2] + (facm*in[1]->vec[2]); + } + + VECCOPY(out[0]->vec, col); +} + +static int gpu_shader_invert(GPUMaterial *mat, bNode *UNUSED(node), GPUNodeStack *in, GPUNodeStack *out) +{ + return GPU_stack_link(mat, "invert", in, out); +} + +void register_node_type_sh_invert(ListBase *lb) +{ + static bNodeType ntype; + + node_type_base(&ntype, SH_NODE_INVERT, "Invert", NODE_CLASS_OP_COLOR, NODE_OPTIONS); + node_type_socket_templates(&ntype, sh_node_invert_in, sh_node_invert_out); + node_type_size(&ntype, 90, 80, 100); + node_type_exec(&ntype, node_shader_exec_invert); + node_type_gpu(&ntype, gpu_shader_invert); + + nodeRegisterType(lb, &ntype); +} + + |