blender/intern/cycles/bvh/metal.mm
Michael Jones 9558fa5196 Cycles: Metal host-side code
This patch adds the Metal host-side code:

- Add all core host-side Metal backend files (device_impl, queue, etc)
- Add MetalRT BVH setup files
- Integrate with Cycles device enumeration code
- Revive `path_source_replace_includes` in util/path (required for MSL compilation)

This patch also includes a couple of small kernel-side fixes:

- Add an implementation of `lgammaf` for Metal [Nemes, Gergő (2010), "New asymptotic expansion for the Gamma function", Archiv der Mathematik](https://users.renyi.hu/~gergonemes/)
- include "work_stealing.h" inside the Metal context class because it accesses state now

Ref T92212

Reviewed By: brecht

Maniphest Tasks: T92212

Differential Revision: https://developer.blender.org/D13423
2021-12-07 15:52:21 +00:00

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/*
* Copyright 2021 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.
*/
#ifdef WITH_METAL
# include "device/metal/bvh.h"
CCL_NAMESPACE_BEGIN
BVH *bvh_metal_create(const BVHParams &params,
const vector<Geometry *> &geometry,
const vector<Object *> &objects,
Device *device)
{
return new BVHMetal(params, geometry, objects, device);
}
CCL_NAMESPACE_END
#endif /* WITH_METAL */