diff options
Diffstat (limited to 'intern/cycles/kernel/split/kernel_split_data.h')
-rw-r--r-- | intern/cycles/kernel/split/kernel_split_data.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/intern/cycles/kernel/split/kernel_split_data.h b/intern/cycles/kernel/split/kernel_split_data.h new file mode 100644 index 00000000000..17e6587883a --- /dev/null +++ b/intern/cycles/kernel/split/kernel_split_data.h @@ -0,0 +1,75 @@ +/* + * Copyright 2011-2016 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 __KERNEL_SPLIT_DATA_H__ +#define __KERNEL_SPLIT_DATA_H__ + +#include "kernel/split/kernel_split_data_types.h" +#include "kernel/kernel_globals.h" + +CCL_NAMESPACE_BEGIN + +ccl_device_inline uint64_t split_data_buffer_size(KernelGlobals *kg, size_t num_elements) +{ + (void)kg; /* Unused on CPU. */ + + uint64_t size = 0; +#define SPLIT_DATA_ENTRY(type, name, num) + align_up(num_elements * num * sizeof(type), 16) + size = size SPLIT_DATA_ENTRIES; +#undef SPLIT_DATA_ENTRY + +#ifdef __SUBSURFACE__ + size += align_up(num_elements * sizeof(SubsurfaceIndirectRays), 16); /* ss_rays */ +#endif + +#ifdef __VOLUME__ + size += align_up(2 * num_elements * sizeof(PathState), 16); /* state_shadow */ +#endif + + return size; +} + +ccl_device_inline void split_data_init(KernelGlobals *kg, + ccl_global SplitData *split_data, + size_t num_elements, + ccl_global void *data, + ccl_global char *ray_state) +{ + (void)kg; /* Unused on CPU. */ + + ccl_global char *p = (ccl_global char*)data; + +#define SPLIT_DATA_ENTRY(type, name, num) \ + split_data->name = (type*)p; p += align_up(num_elements * num * sizeof(type), 16); + SPLIT_DATA_ENTRIES; +#undef SPLIT_DATA_ENTRY + +#ifdef __SUBSURFACE__ + split_data->ss_rays = (ccl_global SubsurfaceIndirectRays*)p; + p += align_up(num_elements * sizeof(SubsurfaceIndirectRays), 16); +#endif + +#ifdef __VOLUME__ + split_data->state_shadow = (ccl_global PathState*)p; + p += align_up(2 * num_elements * sizeof(PathState), 16); +#endif + + split_data->ray_state = ray_state; +} + +CCL_NAMESPACE_END + +#endif /* __KERNEL_SPLIT_DATA_H__ */ |