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Merge pull request #58512 from Calinou/light3d-add-distance-fade

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This commit is contained in:
Rémi Verschelde
2022-03-04 12:26:29 +01:00
committed by GitHub
parent 0ff45dd3a7 b1a295b739
commit 3078b92dff
14 changed files with 214 additions and 6 deletions
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63
servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
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@@ -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;