Blender V2.61 - r43446

svm_sepcomb_rgb.h

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00001 /*
00002  * Copyright 2011, Blender Foundation.
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License
00006  * as published by the Free Software Foundation; either version 2
00007  * of the License, or (at your option) any later version.
00008  *
00009  * This program is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  * GNU General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software Foundation,
00016  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00017  */
00018 
00019 CCL_NAMESPACE_BEGIN
00020 
00021 __device void svm_node_combine_rgb(ShaderData *sd, float *stack, uint in_offset, uint color_index, uint out_offset)
00022 {
00023     float color = stack_load_float(stack, in_offset);
00024 
00025     if (stack_valid(out_offset))
00026         stack_store_float(stack, out_offset+color_index, color);
00027 }
00028 
00029 __device void svm_node_separate_rgb(ShaderData *sd, float *stack, uint icolor_offset, uint color_index, uint out_offset)
00030 {
00031     float3 color = stack_load_float3(stack, icolor_offset);
00032 
00033     if (stack_valid(out_offset)) {
00034         if (color_index == 0)
00035             stack_store_float(stack, out_offset, color.x);
00036         else if (color_index == 1)
00037             stack_store_float(stack, out_offset, color.y);
00038         else
00039             stack_store_float(stack, out_offset, color.z);
00040     }
00041 }
00042 
00043 CCL_NAMESPACE_END
00044