39 lines
1002 B
C
39 lines
1002 B
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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ccl_device_noinline void svm_node_camera(KernelGlobals kg,
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ccl_private ShaderData *sd,
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ccl_private float *stack,
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uint out_vector,
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uint out_zdepth,
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uint out_distance)
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{
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float distance;
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float zdepth;
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float3 vector;
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Transform tfm = kernel_data.cam.worldtocamera;
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vector = transform_point(&tfm, sd->P);
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zdepth = vector.z;
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distance = len(vector);
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if (stack_valid(out_vector)) {
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stack_store_float3(stack, out_vector, normalize(vector));
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}
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if (stack_valid(out_zdepth)) {
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stack_store_float(stack, out_zdepth, zdepth);
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}
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if (stack_valid(out_distance)) {
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stack_store_float(stack, out_distance, distance);
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}
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}
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CCL_NAMESPACE_END
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