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/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#pragma once
CCL_NAMESPACE_BEGIN
/* Vector combine / separate, used for the RGB and XYZ nodes */
ccl_device void svm_node_combine_vector(ccl_private ShaderData *sd,
ccl_private float *stack,
uint in_offset,
uint vector_index,
uint out_offset)
{
float vector = stack_load_float(stack, in_offset);
if (stack_valid(out_offset))
stack_store_float(stack, out_offset + vector_index, vector);
}
ccl_device void svm_node_separate_vector(ccl_private ShaderData *sd,
ccl_private float *stack,
uint ivector_offset,
uint vector_index,
uint out_offset)
{
float3 vector = stack_load_float3(stack, ivector_offset);
if (stack_valid(out_offset)) {
if (vector_index == 0)
stack_store_float(stack, out_offset, vector.x);
else if (vector_index == 1)
stack_store_float(stack, out_offset, vector.y);
else
stack_store_float(stack, out_offset, vector.z);
}
}
CCL_NAMESPACE_END
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