75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/**
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* $Id$
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*
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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): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#include "../SHD_util.h"
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/* **************** CAMERA INFO ******************** */
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static bNodeSocketType sh_node_camera_out[]= {
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{ SOCK_VECTOR, 0, "View Vector", 1.0f, 0.0f, 0.0f, 0.0f, -1.0f, 1.0f}, /* None of these actually */
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{ SOCK_VALUE, 0, "View Z Depth", 0.f, 0.0f, 0.0f, 0.0f, 0.0f, 99999999999.0f}, /* have any limits on their */
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{ SOCK_VALUE, 0, "View Distance", 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 99999999999.0f}, /* values. */
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{ -1, 0, "" }
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};
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static void node_shader_exec_camera(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
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{
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if(data) {
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ShadeInput *shi= ((ShaderCallData *)data)->shi; /* Data we need for shading. */
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VECCOPY(out[0]->vec, shi->co); /* get view vector */
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out[1]->vec[0]= fabs(shi->co[2]); /* get view z-depth */
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out[2]->vec[0]= normalize_v3(out[0]->vec); /* get view distance */
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}
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}
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static int gpu_shader_camera(GPUMaterial *mat, bNode *node, GPUNodeStack *in, GPUNodeStack *out)
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{
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return GPU_stack_link(mat, "camera", in, out, GPU_builtin(GPU_VIEW_POSITION));
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}
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bNodeType sh_node_camera= {
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/* *next,*prev */ NULL, NULL,
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/* type code */ SH_NODE_CAMERA,
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/* name */ "Camera Data",
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/* width+range */ 95, 95, 120,
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/* class+opts */ NODE_CLASS_INPUT, 0,
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/* input sock */ NULL,
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/* output sock */ sh_node_camera_out,
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/* storage */ "node_camera",
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/* execfunc */ node_shader_exec_camera,
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/* butfunc */ NULL,
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/* initfunc */ NULL,
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/* freestoragefunc */ NULL,
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/* copystoragefunc */ NULL,
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/* id */ NULL, NULL, NULL,
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/* gpufunc */ gpu_shader_camera
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};
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