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Properly transform light rect and occluder rect to perform light2d culling in canvas space

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This commit is contained in:
clayjohn 2024-12-20 16:58:02 -07:00
parent 89001f91d2
commit 30801af298
3 changed files with 11 additions and 8 deletions
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9
servers/rendering/renderer_viewport.cpp
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@ -413,7 +413,9 @@ void RendererViewport::_draw_viewport(Viewport *p_viewport) {
cl->xform_cache = xf * cl->xform_cache;
}
if (clip_rect.intersects_transformed(cl->xform_cache, cl->rect_cache)) {
Rect2 temp_rect = cl->xform_cache.xform(cl->rect_cache);
if (clip_rect.intersects(temp_rect)) {
cl->filter_next_ptr = lights;
lights = cl;
Transform2D scale;
@ -423,12 +425,13 @@ void RendererViewport::_draw_viewport(Viewport *p_viewport) {
if (cl->use_shadow) {
cl->shadows_next_ptr = lights_with_shadow;
if (lights_with_shadow == nullptr) {
shadow_rect = cl->xform_cache.xform(cl->rect_cache);
shadow_rect = temp_rect;
} else {
shadow_rect = shadow_rect.merge(cl->xform_cache.xform(cl->rect_cache));
shadow_rect = shadow_rect.merge(temp_rect);
}
lights_with_shadow = cl;
cl->radius_cache = cl->rect_cache.size.length();
cl->rect_cache = temp_rect;
}
}
}