diff options
Diffstat (limited to 'intern/cycles/kernel/split/kernel_path_init.h')
-rw-r--r-- | intern/cycles/kernel/split/kernel_path_init.h | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/intern/cycles/kernel/split/kernel_path_init.h b/intern/cycles/kernel/split/kernel_path_init.h deleted file mode 100644 index c686f46a0cd..00000000000 --- a/intern/cycles/kernel/split/kernel_path_init.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright 2011-2017 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. - */ - -CCL_NAMESPACE_BEGIN - -/* This kernel initializes structures needed in path-iteration kernels. - * This is the first kernel in ray-tracing logic. - * - * Ray state of rays outside the tile-boundary will be marked RAY_INACTIVE - */ -ccl_device void kernel_path_init(KernelGlobals *kg) -{ - int ray_index = ccl_global_id(0) + ccl_global_id(1) * ccl_global_size(0); - - /* This is the first assignment to ray_state; - * So we don't use ASSIGN_RAY_STATE macro. - */ - kernel_split_state.ray_state[ray_index] = RAY_ACTIVE; - - /* Get work. */ - ccl_global uint *work_pools = kernel_split_params.work_pools; - uint total_work_size = kernel_split_params.total_work_size; - uint work_index; - - if (!get_next_work(kg, work_pools, total_work_size, ray_index, &work_index)) { - /* No more work, mark ray as inactive */ - kernel_split_state.ray_state[ray_index] = RAY_INACTIVE; - - return; - } - - ccl_global WorkTile *tile = &kernel_split_params.tile; - uint x, y, sample; - get_work_pixel(tile, work_index, &x, &y, &sample); - - /* Store buffer offset for writing to passes. */ - uint buffer_offset = (tile->offset + x + y * tile->stride) * kernel_data.film.pass_stride; - kernel_split_state.buffer_offset[ray_index] = buffer_offset; - - /* Initialize random numbers and ray. */ - uint rng_hash; - kernel_path_trace_setup(kg, sample, x, y, &rng_hash, &kernel_split_state.ray[ray_index]); - - if (kernel_split_state.ray[ray_index].t != 0.0f) { - /* Initialize throughput, path radiance, Ray, PathState; - * These rays proceed with path-iteration. - */ - kernel_split_state.throughput[ray_index] = make_float3(1.0f, 1.0f, 1.0f); - path_radiance_init(kg, &kernel_split_state.path_radiance[ray_index]); - path_state_init(kg, - AS_SHADER_DATA(&kernel_split_state.sd_DL_shadow[ray_index]), - &kernel_split_state.path_state[ray_index], - rng_hash, - sample, - &kernel_split_state.ray[ray_index]); -#ifdef __SUBSURFACE__ - kernel_path_subsurface_init_indirect(&kernel_split_state.ss_rays[ray_index]); -#endif - } - else { - ASSIGN_RAY_STATE(kernel_split_state.ray_state, ray_index, RAY_TO_REGENERATE); - } -} - -CCL_NAMESPACE_END |