diff options
Diffstat (limited to 'intern/cycles/kernel/split')
| -rw-r--r-- | intern/cycles/kernel/split/kernel_data_init.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/intern/cycles/kernel/split/kernel_data_init.h b/intern/cycles/kernel/split/kernel_data_init.h index c22703e5abd..785103a79ac 100644 --- a/intern/cycles/kernel/split/kernel_data_init.h +++ b/intern/cycles/kernel/split/kernel_data_init.h @@ -126,7 +126,7 @@ void KERNEL_FUNCTION_FULL_NAME(data_init)( *use_queues_flag = 0; } - /* zero the tiles pixels if this is the first sample */ + /* zero the tiles pixels and initialize rng_state if this is the first sample */ if(start_sample == 0) { parallel_for(kg, i, sw * sh * kernel_data.film.pass_stride) { int pixel = i / kernel_data.film.pass_stride; @@ -139,6 +139,14 @@ void KERNEL_FUNCTION_FULL_NAME(data_init)( *(buffer + index) = 0.0f; } + + parallel_for(kg, i, sw * sh) { + int x = sx + i % sw; + int y = sy + i / sw; + + int index = (offset + x + y*stride); + *(rng_state + index) = hash_int_2d(x, y); + } } } |