forked from bartvdbraak/blender
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
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* Copyright 2011, Blender Foundation.
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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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CCL_NAMESPACE_BEGIN
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/* Conversion Nodes */
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__device void svm_node_convert(ShaderData *sd, float *stack, uint type, uint from, uint to)
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{
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switch(type) {
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case NODE_CONVERT_FI: {
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float f = stack_load_float(stack, from);
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stack_store_int(stack, to, (int)f);
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break;
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}
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case NODE_CONVERT_FV: {
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float f = stack_load_float(stack, from);
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stack_store_float3(stack, to, make_float3(f, f, f));
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break;
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}
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case NODE_CONVERT_CF: {
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float3 f = stack_load_float3(stack, from);
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float g = linear_rgb_to_gray(f);
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stack_store_float(stack, to, g);
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break;
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}
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case NODE_CONVERT_CI: {
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float3 f = stack_load_float3(stack, from);
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int i = (int)linear_rgb_to_gray(f);
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stack_store_int(stack, to, i);
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break;
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}
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case NODE_CONVERT_VF: {
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float3 f = stack_load_float3(stack, from);
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float g = (f.x + f.y + f.z)*(1.0f/3.0f);
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stack_store_float(stack, to, g);
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break;
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}
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case NODE_CONVERT_VI: {
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float3 f = stack_load_float3(stack, from);
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int i = (f.x + f.y + f.z)*(1.0f/3.0f);
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stack_store_int(stack, to, i);
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break;
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}
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case NODE_CONVERT_IF: {
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float f = (float)stack_load_int(stack, from);
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stack_store_float(stack, to, f);
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break;
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}
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case NODE_CONVERT_IV: {
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float f = (float)stack_load_int(stack, from);
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stack_store_float3(stack, to, make_float3(f, f, f));
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break;
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}
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}
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}
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CCL_NAMESPACE_END
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