blender/intern/cycles/kernel/svm/svm_convert.h

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