Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Use lower shadow normal bias for distant directional shadow splits #60178

Merged
merged 1 commit into from
Mar 17, 2025
+3 −1
Merged

Use lower shadow normal bias for distant directional shadow splits #60178

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion servers/rendering/renderer_rd/storage_rd/light_storage.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -714,7 +714,9 @@ void LightStorage::update_light_buffers(RenderDataRD *p_render_data, const Paged
light_data.shadow_split_offsets[j] = split;
float bias_scale = light_instance->shadow_transform[j].bias_scale * light_data.soft_shadow_scale;
light_data.shadow_bias[j] = light->param[RS::LIGHT_PARAM_SHADOW_BIAS] / 100.0 * bias_scale;
light_data.shadow_normal_bias[j] = light->param[RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS] * light_instance->shadow_transform[j].shadow_texel_size;
// Use lower shadow normal bias for distant splits, relative to the share taken by the split.
// This helps reduce peter-panning at a distance.
light_data.shadow_normal_bias[j] = light->param[RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS] * light_instance->shadow_transform[j].shadow_texel_size * light_data.shadow_split_offsets[0] / split;
light_data.shadow_transmittance_bias[j] = light->param[RS::LIGHT_PARAM_TRANSMITTANCE_BIAS] / 100.0 * bias_scale;
light_data.shadow_z_range[j] = light_instance->shadow_transform[j].farplane;
light_data.shadow_range_begin[j] = light_instance->shadow_transform[j].range_begin;
Expand Down