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