forked from bartvdbraak/blender
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
|
|
* Copyright 2011-2013 Blender Foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
CCL_NAMESPACE_BEGIN
|
|
|
|
/* Conversion Nodes */
|
|
|
|
ccl_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, float_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 = average(f);
|
|
stack_store_float(stack, to, g);
|
|
break;
|
|
}
|
|
case NODE_CONVERT_VI: {
|
|
float3 f = stack_load_float3(stack, from);
|
|
int i = (int)average(f);
|
|
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
|
|
|