09ed97afc5
Storing this list in the node has the advantage of requiring far fewer calls to the potentially expensive internal_connect callback. This was called on every node redraw ... Also it will allow Cycles to properly use the internal links for muted nodes, which ensures consistent behavior. The previous method was not applicable in Cycles because transient list return values are not supported well in the RNA and particularly the C++ API implementation.
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2005 Blender Foundation.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): Robin Allen
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/nodes/texture/nodes/node_texture_viewer.c
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* \ingroup texnodes
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*/
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#include "node_texture_util.h"
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#include "NOD_texture.h"
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#include <math.h>
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static bNodeSocketTemplate inputs[] = {
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{ SOCK_RGBA, 1, N_("Color"), 1.0f, 0.0f, 0.0f, 1.0f },
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{ -1, 0, "" }
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};
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static bNodeSocketTemplate outputs[] = {
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{ -1, 0, "" }
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};
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static void exec(void *data, bNode *node, bNodeStack **in, bNodeStack **UNUSED(out))
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{
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TexCallData *cdata = (TexCallData *)data;
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if (cdata->do_preview) {
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TexParams params;
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float col[4];
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params_from_cdata(¶ms, cdata);
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tex_input_rgba(col, in[0], ¶ms, cdata->thread);
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tex_do_preview(node, params.previewco, col);
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}
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}
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void register_node_type_tex_viewer(bNodeTreeType *ttype)
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{
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static bNodeType ntype;
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node_type_base(ttype, &ntype, TEX_NODE_VIEWER, "Viewer", NODE_CLASS_OUTPUT, NODE_PREVIEW);
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node_type_socket_templates(&ntype, inputs, outputs);
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node_type_size(&ntype, 100, 60, 150);
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node_type_exec(&ntype, exec);
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/* Do not allow muting viewer node. */
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node_type_internal_links(&ntype, NULL);
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nodeRegisterType(ttype, &ntype);
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}
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