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/*
* Copyright 2011-2013 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
/* Don't inline intersect functions on GPU, this is faster */
#ifdef __KERNEL_GPU__
# define ccl_device_intersect ccl_device_forceinline
#else
# define ccl_device_intersect ccl_device_inline
#endif
/* bottom-most stack entry, indicating the end of traversal */
#define ENTRYPOINT_SENTINEL 0x76543210
/* 64 object BVH + 64 mesh BVH + 64 object node splitting */
#define BVH_STACK_SIZE 192
/* BVH intersection function variations */
#define BVH_MOTION 1
#define BVH_HAIR 2
#define BVH_POINTCLOUD 4
#define BVH_NAME_JOIN(x, y) x##_##y
#define BVH_NAME_EVAL(x, y) BVH_NAME_JOIN(x, y)
#define BVH_FUNCTION_FULL_NAME(prefix) BVH_NAME_EVAL(prefix, BVH_FUNCTION_NAME)
#define BVH_FEATURE(f) (((BVH_FUNCTION_FEATURES) & (f)) != 0)
CCL_NAMESPACE_END
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