diff options
Diffstat (limited to 'intern/cycles/kernel/split/kernel_adaptive_stopping.h')
| -rw-r--r-- | intern/cycles/kernel/split/kernel_adaptive_stopping.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/intern/cycles/kernel/split/kernel_adaptive_stopping.h b/intern/cycles/kernel/split/kernel_adaptive_stopping.h new file mode 100644 index 00000000000..c8eb1ebd705 --- /dev/null +++ b/intern/cycles/kernel/split/kernel_adaptive_stopping.h @@ -0,0 +1,37 @@ +/* + * Copyright 2019 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 + +ccl_device void kernel_adaptive_stopping(KernelGlobals *kg) +{ + int pixel_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0); + if (pixel_index < kernel_split_params.tile.w * kernel_split_params.tile.h && + kernel_split_params.tile.start_sample + kernel_split_params.tile.num_samples >= + kernel_data.integrator.adaptive_min_samples) { + int x = kernel_split_params.tile.x + pixel_index % kernel_split_params.tile.w; + int y = kernel_split_params.tile.y + pixel_index / kernel_split_params.tile.w; + int buffer_offset = (kernel_split_params.tile.offset + x + + y * kernel_split_params.tile.stride) * + kernel_data.film.pass_stride; + ccl_global float *buffer = kernel_split_params.tile.buffer + buffer_offset; + kernel_do_adaptive_stopping(kg, + buffer, + kernel_split_params.tile.start_sample + + kernel_split_params.tile.num_samples - 1); + } +} +CCL_NAMESPACE_END |