9cfc7967dd
* Replace license text in headers with SPDX identifiers. * Remove specific license info from outdated readme.txt, instead leave details to the source files. * Add list of SPDX license identifiers used, and corresponding license texts. * Update copyright dates while we're at it. Ref D14069, T95597
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/* SPDX-License-Identifier: Apache-2.0
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* Copyright 2011-2022 Blender Foundation */
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#pragma once
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CCL_NAMESPACE_BEGIN
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/* Clamp Node */
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ccl_device_noinline int svm_node_clamp(KernelGlobals kg,
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ccl_private ShaderData *sd,
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ccl_private float *stack,
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uint value_stack_offset,
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uint parameters_stack_offsets,
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uint result_stack_offset,
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int offset)
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{
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uint min_stack_offset, max_stack_offset, type;
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svm_unpack_node_uchar3(parameters_stack_offsets, &min_stack_offset, &max_stack_offset, &type);
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uint4 defaults = read_node(kg, &offset);
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float value = stack_load_float(stack, value_stack_offset);
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float min = stack_load_float_default(stack, min_stack_offset, defaults.x);
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float max = stack_load_float_default(stack, max_stack_offset, defaults.y);
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if (type == NODE_CLAMP_RANGE && (min > max)) {
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stack_store_float(stack, result_stack_offset, clamp(value, max, min));
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}
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else {
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stack_store_float(stack, result_stack_offset, clamp(value, min, max));
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}
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return offset;
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}
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CCL_NAMESPACE_END
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