diff options
Diffstat (limited to 'intern/cycles/kernel/bvh/bvh_types.h')
-rw-r--r-- | intern/cycles/kernel/bvh/bvh_types.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/intern/cycles/kernel/bvh/bvh_types.h b/intern/cycles/kernel/bvh/bvh_types.h new file mode 100644 index 00000000000..bcba6e65fe5 --- /dev/null +++ b/intern/cycles/kernel/bvh/bvh_types.h @@ -0,0 +1,73 @@ +/* + * Adapted from code Copyright 2009-2010 NVIDIA Corporation + * Modifications Copyright 2011, 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. + */ + +#ifndef __BVH_TYPES__ +#define __BVH_TYPES__ + +CCL_NAMESPACE_BEGIN + +/* Don't inline intersect functions on GPU, this is faster */ +#ifdef __KERNEL_GPU__ +# define ccl_device_intersect ccl_device_noinline +#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 +#define BVH_QSTACK_SIZE 384 + +/* BVH intersection function variations */ + +#define BVH_INSTANCING 1 +#define BVH_MOTION 2 +#define BVH_HAIR 4 +#define BVH_HAIR_MINIMUM_WIDTH 8 + +#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) + +/* Debugging heleprs */ +#ifdef __KERNEL_DEBUG__ +# define BVH_DEBUG_INIT() \ + do { \ + isect->num_traversal_steps = 0; \ + isect->num_traversed_instances = 0; \ + } while(0) +# define BVH_DEBUG_NEXT_STEP() \ + do { \ + ++isect->num_traversal_steps; \ + } while(0) +# define BVH_DEBUG_NEXT_INSTANCE() \ + do { \ + ++isect->num_traversed_instances; \ + } while(0) +#else /* __KERNEL_DEBUG__ */ +# define BVH_DEBUG_INIT() +# define BVH_DEBUG_NEXT_STEP() +# define BVH_DEBUG_NEXT_INSTANCE() +#endif /* __KERNEL_DEBUG__ */ + +CCL_NAMESPACE_END + +#endif /* __BVH_TYPES__ */ |