df625253ac
* Add max diffuse/glossy/transmission bounces * Add separate min/max for transparent depth * Updated/added some presets that use these options * Add ray visibility options for objects, to hide them from camera/diffuse/glossy/transmission/shadow rays * Is singular ray output for light path node Details here: http://wiki.blender.org/index.php/Dev:2.5/Source/Render/Cycles/LightPaths
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/*
|
|
* Copyright 2011, Blender Foundation.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
CCL_NAMESPACE_BEGIN
|
|
|
|
/* Light Path Node */
|
|
|
|
__device void svm_node_light_path(ShaderData *sd, float *stack, uint type, uint out_offset, int path_flag)
|
|
{
|
|
float info = 0.0f;
|
|
|
|
switch(type) {
|
|
case NODE_LP_camera: info = (path_flag & PATH_RAY_CAMERA)? 1.0f: 0.0f; break;
|
|
case NODE_LP_shadow: info = (path_flag & PATH_RAY_SHADOW)? 1.0f: 0.0f; break;
|
|
case NODE_LP_diffuse: info = (path_flag & PATH_RAY_DIFFUSE)? 1.0f: 0.0f; break;
|
|
case NODE_LP_glossy: info = (path_flag & PATH_RAY_GLOSSY)? 1.0f: 0.0f; break;
|
|
case NODE_LP_singular: info = (path_flag & PATH_RAY_SINGULAR)? 1.0f: 0.0f; break;
|
|
case NODE_LP_reflection: info = (path_flag & PATH_RAY_REFLECT)? 1.0f: 0.0f; break;
|
|
case NODE_LP_transmission: info = (path_flag & PATH_RAY_TRANSMIT)? 1.0f: 0.0f; break;
|
|
case NODE_LP_backfacing: info = (sd->flag & SD_BACKFACING)? 1.0f: 0.0f; break;
|
|
}
|
|
|
|
stack_store_float(stack, out_offset, info);
|
|
}
|
|
|
|
CCL_NAMESPACE_END
|
|
|