diff options
Diffstat (limited to 'servers/rendering/renderer_rd')
3 files changed, 94 insertions, 4 deletions
diff --git a/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp b/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp index 948340f469..92f1286d52 100644 --- a/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp +++ b/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp @@ -3440,8 +3440,22 @@ void RendererSceneRenderRD::_setup_lights(const PagedArray<RID> &p_lights, const continue; } + const real_t distance = camera_plane.distance_to(li->transform.origin); + + if (storage->light_is_distance_fade_enabled(li->light)) { + const float fade_begin = storage->light_get_distance_fade_begin(li->light); + const float fade_length = storage->light_get_distance_fade_length(li->light); + + if (distance > fade_begin) { + if (distance > fade_begin + fade_length) { + // Out of range, don't draw this light to improve performance. + continue; + } + } + } + cluster.omni_light_sort[cluster.omni_light_count].instance = li; - cluster.omni_light_sort[cluster.omni_light_count].depth = camera_plane.distance_to(li->transform.origin); + cluster.omni_light_sort[cluster.omni_light_count].depth = distance; cluster.omni_light_count++; } break; case RS::LIGHT_SPOT: { @@ -3449,8 +3463,22 @@ void RendererSceneRenderRD::_setup_lights(const PagedArray<RID> &p_lights, const continue; } + const real_t distance = camera_plane.distance_to(li->transform.origin); + + if (storage->light_is_distance_fade_enabled(li->light)) { + const float fade_begin = storage->light_get_distance_fade_begin(li->light); + const float fade_length = storage->light_get_distance_fade_length(li->light); + + if (distance > fade_begin) { + if (distance > fade_begin + fade_length) { + // Out of range, don't draw this light to improve performance. + continue; + } + } + } + cluster.spot_light_sort[cluster.spot_light_count].instance = li; - cluster.spot_light_sort[cluster.spot_light_count].depth = camera_plane.distance_to(li->transform.origin); + cluster.spot_light_sort[cluster.spot_light_count].depth = distance; cluster.spot_light_count++; } break; } @@ -3494,7 +3522,24 @@ void RendererSceneRenderRD::_setup_lights(const PagedArray<RID> &p_lights, const light_data.attenuation = storage->light_get_param(base, RS::LIGHT_PARAM_ATTENUATION); - float energy = sign * storage->light_get_param(base, RS::LIGHT_PARAM_ENERGY) * Math_PI; + // Reuse fade begin, fade length and distance for shadow LOD determination later. + float fade_begin = 0.0; + float fade_length = 0.0; + real_t distance = 0.0; + + float fade = 1.0; + if (storage->light_is_distance_fade_enabled(li->light)) { + fade_begin = storage->light_get_distance_fade_begin(li->light); + fade_length = storage->light_get_distance_fade_length(li->light); + distance = camera_plane.distance_to(li->transform.origin); + + if (distance > fade_begin) { + // Use `smoothstep()` to make opacity changes more gradual and less noticeable to the player. + fade = Math::smoothstep(0.0f, 1.0f, 1.0f - float(distance - fade_begin) / fade_length); + } + } + + float energy = sign * storage->light_get_param(base, RS::LIGHT_PARAM_ENERGY) * Math_PI * fade; light_data.color[0] = linear_col.r * energy; light_data.color[1] = linear_col.g * energy; @@ -3555,7 +3600,17 @@ void RendererSceneRenderRD::_setup_lights(const PagedArray<RID> &p_lights, const light_data.projector_rect[3] = 0; } - if (shadow_atlas && shadow_atlas->shadow_owners.has(li->self)) { + const bool needs_shadow = shadow_atlas && shadow_atlas->shadow_owners.has(li->self); + + bool in_shadow_range = true; + if (needs_shadow && storage->light_is_distance_fade_enabled(li->light)) { + if (distance > storage->light_get_distance_fade_shadow(li->light)) { + // Out of range, don't draw shadows to improve performance. + in_shadow_range = false; + } + } + + if (needs_shadow && in_shadow_range) { // fill in the shadow information light_data.shadow_enabled = true; diff --git a/servers/rendering/renderer_rd/renderer_storage_rd.cpp b/servers/rendering/renderer_rd/renderer_storage_rd.cpp index 1473a92a1a..35aa0f1f31 100644 --- a/servers/rendering/renderer_rd/renderer_storage_rd.cpp +++ b/servers/rendering/renderer_rd/renderer_storage_rd.cpp @@ -6600,6 +6600,16 @@ void RendererStorageRD::light_set_cull_mask(RID p_light, uint32_t p_mask) { light->dependency.changed_notify(DEPENDENCY_CHANGED_LIGHT); } +void RendererStorageRD::light_set_distance_fade(RID p_light, bool p_enabled, float p_begin, float p_shadow, float p_length) { + Light *light = light_owner.get_or_null(p_light); + ERR_FAIL_COND(!light); + + light->distance_fade = p_enabled; + light->distance_fade_begin = p_begin; + light->distance_fade_shadow = p_shadow; + light->distance_fade_length = p_length; +} + void RendererStorageRD::light_set_reverse_cull_face_mode(RID p_light, bool p_enabled) { Light *light = light_owner.get_or_null(p_light); ERR_FAIL_COND(!light); diff --git a/servers/rendering/renderer_rd/renderer_storage_rd.h b/servers/rendering/renderer_rd/renderer_storage_rd.h index 33a3b8e229..cb35c2bf65 100644 --- a/servers/rendering/renderer_rd/renderer_storage_rd.h +++ b/servers/rendering/renderer_rd/renderer_storage_rd.h @@ -1033,6 +1033,10 @@ private: RS::LightBakeMode bake_mode = RS::LIGHT_BAKE_DYNAMIC; uint32_t max_sdfgi_cascade = 2; uint32_t cull_mask = 0xFFFFFFFF; + bool distance_fade = false; + real_t distance_fade_begin = 40.0; + real_t distance_fade_shadow = 50.0; + real_t distance_fade_length = 10.0; RS::LightOmniShadowMode omni_shadow_mode = RS::LIGHT_OMNI_SHADOW_DUAL_PARABOLOID; RS::LightDirectionalShadowMode directional_shadow_mode = RS::LIGHT_DIRECTIONAL_SHADOW_ORTHOGONAL; bool directional_blend_splits = false; @@ -1841,6 +1845,7 @@ public: void light_set_projector(RID p_light, RID p_texture); void light_set_negative(RID p_light, bool p_enable); void light_set_cull_mask(RID p_light, uint32_t p_mask); + void light_set_distance_fade(RID p_light, bool p_enabled, float p_begin, float p_shadow, float p_length); void light_set_reverse_cull_face_mode(RID p_light, bool p_enabled); void light_set_bake_mode(RID p_light, RS::LightBakeMode p_bake_mode); void light_set_max_sdfgi_cascade(RID p_light, uint32_t p_cascade); @@ -1899,6 +1904,26 @@ public: return light->cull_mask; } + _FORCE_INLINE_ bool light_is_distance_fade_enabled(RID p_light) { + const Light *light = light_owner.get_or_null(p_light); + return light->distance_fade; + } + + _FORCE_INLINE_ float light_get_distance_fade_begin(RID p_light) { + const Light *light = light_owner.get_or_null(p_light); + return light->distance_fade_begin; + } + + _FORCE_INLINE_ float light_get_distance_fade_shadow(RID p_light) { + const Light *light = light_owner.get_or_null(p_light); + return light->distance_fade_shadow; + } + + _FORCE_INLINE_ float light_get_distance_fade_length(RID p_light) { + const Light *light = light_owner.get_or_null(p_light); + return light->distance_fade_length; + } + _FORCE_INLINE_ bool light_has_shadow(RID p_light) const { const Light *light = light_owner.get_or_null(p_light); ERR_FAIL_COND_V(!light, RS::LIGHT_DIRECTIONAL); |