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