diff options
| author | Clément Foucault <foucault.clem@gmail.com> | 2018-01-16 15:13:30 +0300 |
|---|---|---|
| committer | Clément Foucault <foucault.clem@gmail.com> | 2018-01-16 20:22:24 +0300 |
| commit | 2221cdb5179467e5b654a41b4c24796bcd66cb93 (patch) | |
| tree | 07f0d1e57607a7eefd775b60add19023305e4d56 /source/blender/draw/engines/eevee/eevee_screen_raytrace.c | |
| parent | 3cb2b2956b140b840ba8a481ad15df1b567d9c07 (diff) | |
Eevee: SSR: Optimise Texture fetches and solve noise issue.
There was some remaining issue caused by neighbor re-use. Randomizing them every _prime_number_ of iterations fixes this.
Diffstat (limited to 'source/blender/draw/engines/eevee/eevee_screen_raytrace.c')
| -rw-r--r-- | source/blender/draw/engines/eevee/eevee_screen_raytrace.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/source/blender/draw/engines/eevee/eevee_screen_raytrace.c b/source/blender/draw/engines/eevee/eevee_screen_raytrace.c index 27e72b9e8d6..568b34db088 100644 --- a/source/blender/draw/engines/eevee/eevee_screen_raytrace.c +++ b/source/blender/draw/engines/eevee/eevee_screen_raytrace.c @@ -249,6 +249,7 @@ void EEVEE_screen_raytrace_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *v DRW_shgroup_uniform_buffer(grp, "planarDepth", &vedata->txl->planar_depth); DRW_shgroup_uniform_buffer(grp, "hitBuffer", &vedata->txl->ssr_hit_output); DRW_shgroup_uniform_buffer(grp, "pdfBuffer", &stl->g_data->ssr_pdf_output); + DRW_shgroup_uniform_int(grp, "neighborOffset", &effects->ssr_neighbor_ofs, 1); DRW_shgroup_uniform_vec4(grp, "aoParameters[0]", &effects->ao_dist, 2); if (effects->use_ao) { @@ -305,6 +306,10 @@ void EEVEE_reflection_compute(EEVEE_ViewLayerData *UNUSED(sldata), EEVEE_Data *v EEVEE_downsample_buffer(vedata, fbl->downsample_fb, txl->color_double_buffer, 9); /* Resolve at fullres */ + int sample = (DRW_state_is_image_render()) ? effects->taa_render_sample : effects->taa_current_sample; + /* Doing a neighbor shift only after a few iteration. We wait for a prime number of cycles to avoid + * noise correlation. This reduces variance faster. */ + effects->ssr_neighbor_ofs = ((sample / 5) % 8) * 4; DRW_framebuffer_texture_detach(dtxl->depth); DRW_framebuffer_texture_detach(txl->ssr_normal_input); DRW_framebuffer_texture_detach(txl->ssr_specrough_input); |