38 lines
1.0 KiB
C
38 lines
1.0 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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#include "kernel/globals.h"
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#include "kernel/svm/node_types.h"
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#include "kernel/svm/util.h"
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CCL_NAMESPACE_BEGIN
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ccl_device_noinline void svm_node_camera(KernelGlobals kg,
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ccl_private ShaderData *sd,
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ccl_private float *ccl_restrict stack,
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const ccl_global SVMNodeCamera &ccl_restrict node)
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{
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const Transform tfm = kernel_data.cam.worldtocamera;
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const float3 vector = transform_point(&tfm, sd->P);
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const float zdepth = vector.z;
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const float distance = len(vector);
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if (stack_valid(node.vector_offset)) {
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stack_store_float3(stack, node.vector_offset, normalize(vector));
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}
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if (stack_valid(node.zdepth_offset)) {
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stack_store_float(stack, node.zdepth_offset, zdepth);
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}
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if (stack_valid(node.distance_offset)) {
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stack_store_float(stack, node.distance_offset, distance);
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}
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}
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CCL_NAMESPACE_END
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