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| author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2017-11-01 23:02:28 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2017-11-05 22:48:33 +0300 |
| commit | 8a72be7697f8fbfc8cb6cc9f3df049104e41d4a6 (patch) | |
| tree | c8997adcc23053eb6b4cfb7f499581644b23f61e /intern/cycles/kernel/kernel_types.h | |
| parent | c571be4e05788b8d3447a0bfe59942ebb4464750 (diff) | |
Cycles: reduce closure memory usage for emission/shadow shader data.
With a Titan Xp, reduces path trace local memory from 1092MB to 840MB.
Benchmark performance was within 1% with both RX 480 and Titan Xp.
Original patch was implemented by Sergey.
Differential Revision: https://developer.blender.org/D2249
Diffstat (limited to 'intern/cycles/kernel/kernel_types.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_types.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/intern/cycles/kernel/kernel_types.h b/intern/cycles/kernel/kernel_types.h index cac3ef226f9..6d177816a98 100644 --- a/intern/cycles/kernel/kernel_types.h +++ b/intern/cycles/kernel/kernel_types.h @@ -984,7 +984,7 @@ typedef ccl_addr_space struct ShaderData { /* Closure data, we store a fixed array of closures */ int num_closure; - int num_closure_extra; + int num_closure_left; float randb_closure; float3 svm_closure_weight; @@ -997,6 +997,11 @@ typedef ccl_addr_space struct ShaderData { struct ShaderClosure closure[MAX_CLOSURE]; } ShaderData; +typedef ccl_addr_space struct ShaderDataTinyStorage { + char pad[sizeof(ShaderData) - sizeof(ShaderClosure) * MAX_CLOSURE]; +} ShaderDataTinyStorage; +#define AS_SHADER_DATA(shader_data_tiny_storage) ((ShaderData*)shader_data_tiny_storage) + /* Path State */ #ifdef __VOLUME__ |