diff options
| author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2017-08-23 04:57:27 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2017-09-28 16:18:43 +0300 |
| commit | 400e6f37b80dde3910b8d7a9d5e619b778a1c1ff (patch) | |
| tree | 61ecd35d2231c0f7585dc0148638de00819638b5 /intern/cycles/kernel/kernel_path_surface.h | |
| parent | 9ddee885aea4d026bb0409a51a137706c95d318b (diff) | |
Cycles: reduce subsurface stack memory usage.
This is done by storing only a subset of PathRadiance, and by storing
direct light immediately in the main PathRadiance. Saves about 10% of
CUDA stack memory, and simplifies subsurface indirect ray code.
Diffstat (limited to 'intern/cycles/kernel/kernel_path_surface.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_path_surface.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/intern/cycles/kernel/kernel_path_surface.h b/intern/cycles/kernel/kernel_path_surface.h index e798fcc6a2c..7b566b01b04 100644 --- a/intern/cycles/kernel/kernel_path_surface.h +++ b/intern/cycles/kernel/kernel_path_surface.h @@ -150,7 +150,7 @@ ccl_device bool kernel_branched_path_surface_bounce( int num_samples, ccl_addr_space float3 *throughput, ccl_addr_space PathState *state, - PathRadiance *L, + PathRadianceState *L_state, ccl_addr_space Ray *ray, float sum_sample_weight) { @@ -170,7 +170,7 @@ ccl_device bool kernel_branched_path_surface_bounce( return false; /* modify throughput */ - path_radiance_bsdf_bounce(L, throughput, &bsdf_eval, bsdf_pdf, state->bounce, label); + path_radiance_bsdf_bounce(kg, L_state, throughput, &bsdf_eval, bsdf_pdf, state->bounce, label); #ifdef __DENOISING_FEATURES__ state->denoising_feature_weight *= sc->sample_weight / (sum_sample_weight * num_samples); @@ -271,7 +271,7 @@ ccl_device bool kernel_path_surface_bounce(KernelGlobals *kg, ShaderData *sd, ccl_addr_space float3 *throughput, ccl_addr_space PathState *state, - PathRadiance *L, + PathRadianceState *L_state, ccl_addr_space Ray *ray) { /* no BSDF? we can stop here */ @@ -292,7 +292,7 @@ ccl_device bool kernel_path_surface_bounce(KernelGlobals *kg, return false; /* modify throughput */ - path_radiance_bsdf_bounce(L, throughput, &bsdf_eval, bsdf_pdf, state->bounce, label); + path_radiance_bsdf_bounce(kg, L_state, throughput, &bsdf_eval, bsdf_pdf, state->bounce, label); /* set labels */ if(!(label & LABEL_TRANSPARENT)) { |