Fix: EEVEE-Next: Shadow broken for transmission BSDFs

Was not inverting the normal for `shadow_ray_above_horizon_ensure`.
2024-04-13 10:50:33 +02:00
parent ba0921e75e
commit a4e9224317
1 changed files with 1 additions and 0 deletions
--- a/source/blender/draw/engines/eevee_next/shaders/eevee_shadow_tracing_lib.glsl
+++ b/source/blender/draw/engines/eevee_next/shaders/eevee_shadow_tracing_lib.glsl
@@ -547,6 +547,7 @@ ShadowEvalResult shadow_eval(LightData light,
  vec3 lP = is_directional ? light_world_to_local(light, P) :
                             light_world_to_local(light, P - light._position);
  vec3 lNg = light_world_to_local(light, Ng);
+  lNg = is_transmission ? -Ng : Ng;

  float surface_hit = 0.0;
  for (int ray_index = 0; ray_index < ray_count && ray_index < SHADOW_MAX_RAY; ray_index++) {