diff options
| 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_subsurface.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_subsurface.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_subsurface.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/intern/cycles/kernel/kernel_subsurface.h b/intern/cycles/kernel/kernel_subsurface.h index 23a09e5e2ca..6f75601d8c6 100644 --- a/intern/cycles/kernel/kernel_subsurface.h +++ b/intern/cycles/kernel/kernel_subsurface.h @@ -80,7 +80,7 @@ ccl_device void subsurface_scatter_setup_diffuse_bsdf(ShaderData *sd, const Shad { sd->flag &= ~SD_CLOSURE_FLAGS; sd->num_closure = 0; - sd->num_closure_extra = 0; + sd->num_closure_left = MAX_CLOSURE; if(hit) { Bssrdf *bssrdf = (Bssrdf *)sc; @@ -154,7 +154,7 @@ ccl_device void subsurface_color_bump_blur(KernelGlobals *kg, if(bump || texture_blur > 0.0f) { /* average color and normal at incoming point */ - shader_eval_surface(kg, sd, state, state_flag); + shader_eval_surface(kg, sd, state, state_flag, MAX_CLOSURE); float3 in_color = shader_bssrdf_sum(sd, (bump)? N: NULL, NULL); /* we simply divide out the average color and multiply with the average |