diff options
| author | Lukas Stockner <lukas.stockner@freenet.de> | 2016-10-30 01:56:39 +0300 |
|---|---|---|
| committer | Lukas Stockner <lukas.stockner@freenet.de> | 2016-10-30 13:51:20 +0300 |
| commit | 4e68f48227e228fbf75736005ceed4cf1cb55215 (patch) | |
| tree | 5bc3cf3e92d1b63714055cabd3d73eb971d1bcaa /intern/cycles/kernel/kernel_path_common.h | |
| parent | 26bf230920cb9ca0aa9626430169967f9e120482 (diff) | |
Cycles: Initialize the RNG state from the kernel instead of the host
This allows to save a memory copy, which will be particularly useful for network rendering.
Reviewers: sergey, brecht, dingto, juicyfruit, maiself
Differential Revision: https://developer.blender.org/D2323
Diffstat (limited to 'intern/cycles/kernel/kernel_path_common.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_path_common.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernel_path_common.h b/intern/cycles/kernel/kernel_path_common.h index 1912dfa16ed..13597eab287 100644 --- a/intern/cycles/kernel/kernel_path_common.h +++ b/intern/cycles/kernel/kernel_path_common.h @@ -14,6 +14,8 @@ * limitations under the License. */ +#include "util_hash.h" + CCL_NAMESPACE_BEGIN ccl_device_inline void kernel_path_trace_setup(KernelGlobals *kg, @@ -28,6 +30,10 @@ ccl_device_inline void kernel_path_trace_setup(KernelGlobals *kg, int num_samples = kernel_data.integrator.aa_samples; + if(sample == 0) { + *rng_state = hash_int_2d(x, y); + } + path_rng_init(kg, rng_state, sample, num_samples, rng, x, y, &filter_u, &filter_v); /* sample camera ray */ |