Brecht Van Lommel
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 * Remove specific license info from outdated readme.txt, instead leave details to the source files.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
97 lines
3.0 KiB
C++
97 lines
3.0 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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/* Vector Transform */
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ccl_device_noinline void svm_node_vector_transform(KernelGlobals kg,
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ccl_private ShaderData *sd,
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ccl_private float *stack,
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uint4 node)
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{
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uint itype, ifrom, ito;
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uint vector_in, vector_out;
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svm_unpack_node_uchar3(node.y, &itype, &ifrom, &ito);
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svm_unpack_node_uchar2(node.z, &vector_in, &vector_out);
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float3 in = stack_load_float3(stack, vector_in);
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NodeVectorTransformType type = (NodeVectorTransformType)itype;
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NodeVectorTransformConvertSpace from = (NodeVectorTransformConvertSpace)ifrom;
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NodeVectorTransformConvertSpace to = (NodeVectorTransformConvertSpace)ito;
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Transform tfm;
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bool is_object = (sd->object != OBJECT_NONE);
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bool is_direction = (type == NODE_VECTOR_TRANSFORM_TYPE_VECTOR ||
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type == NODE_VECTOR_TRANSFORM_TYPE_NORMAL);
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/* From world */
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if (from == NODE_VECTOR_TRANSFORM_CONVERT_SPACE_WORLD) {
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if (to == NODE_VECTOR_TRANSFORM_CONVERT_SPACE_CAMERA) {
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tfm = kernel_data.cam.worldtocamera;
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if (is_direction)
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in = transform_direction(&tfm, in);
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else
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in = transform_point(&tfm, in);
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}
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else if (to == NODE_VECTOR_TRANSFORM_CONVERT_SPACE_OBJECT && is_object) {
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if (is_direction)
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object_inverse_dir_transform(kg, sd, &in);
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else
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object_inverse_position_transform(kg, sd, &in);
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}
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}
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/* From camera */
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else if (from == NODE_VECTOR_TRANSFORM_CONVERT_SPACE_CAMERA) {
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if (to == NODE_VECTOR_TRANSFORM_CONVERT_SPACE_WORLD ||
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to == NODE_VECTOR_TRANSFORM_CONVERT_SPACE_OBJECT) {
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tfm = kernel_data.cam.cameratoworld;
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if (is_direction)
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in = transform_direction(&tfm, in);
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else
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in = transform_point(&tfm, in);
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}
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if (to == NODE_VECTOR_TRANSFORM_CONVERT_SPACE_OBJECT && is_object) {
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if (is_direction)
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object_inverse_dir_transform(kg, sd, &in);
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else
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object_inverse_position_transform(kg, sd, &in);
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}
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}
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/* From object */
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else if (from == NODE_VECTOR_TRANSFORM_CONVERT_SPACE_OBJECT) {
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if ((to == NODE_VECTOR_TRANSFORM_CONVERT_SPACE_WORLD ||
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to == NODE_VECTOR_TRANSFORM_CONVERT_SPACE_CAMERA) &&
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is_object) {
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if (is_direction)
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object_dir_transform(kg, sd, &in);
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else
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object_position_transform(kg, sd, &in);
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}
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if (to == NODE_VECTOR_TRANSFORM_CONVERT_SPACE_CAMERA) {
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tfm = kernel_data.cam.worldtocamera;
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if (is_direction)
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in = transform_direction(&tfm, in);
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else
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in = transform_point(&tfm, in);
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}
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}
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/* Normalize Normal */
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if (type == NODE_VECTOR_TRANSFORM_TYPE_NORMAL)
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in = normalize(in);
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/* Output */
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if (stack_valid(vector_out)) {
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stack_store_float3(stack, vector_out, in);
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}
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}
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CCL_NAMESPACE_END
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