diff options
Diffstat (limited to 'intern/cycles/kernel/svm/mapping_util.h')
-rw-r--r-- | intern/cycles/kernel/svm/mapping_util.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/mapping_util.h b/intern/cycles/kernel/svm/mapping_util.h new file mode 100644 index 00000000000..51b13c0c264 --- /dev/null +++ b/intern/cycles/kernel/svm/mapping_util.h @@ -0,0 +1,41 @@ +/* + * Copyright 2011-2014 Blender Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +CCL_NAMESPACE_BEGIN + +ccl_device float3 +svm_mapping(NodeMappingType type, float3 vector, float3 location, float3 rotation, float3 scale) +{ + Transform rotationTransform = euler_to_transform(rotation); + switch (type) { + case NODE_MAPPING_TYPE_POINT: + return transform_direction(&rotationTransform, (vector * scale)) + location; + case NODE_MAPPING_TYPE_TEXTURE: + return safe_divide_float3_float3( + transform_direction_transposed(&rotationTransform, (vector - location)), scale); + case NODE_MAPPING_TYPE_VECTOR: + return transform_direction(&rotationTransform, (vector * scale)); + case NODE_MAPPING_TYPE_NORMAL: + return safe_normalize( + transform_direction(&rotationTransform, safe_divide_float3_float3(vector, scale))); + default: + return make_float3(0.0f, 0.0f, 0.0f); + } +} + +CCL_NAMESPACE_END |