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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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8
servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
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@@ -1035,14 +1035,14 @@ void RendererCanvasRenderRD::light_update_shadow(RID p_rid, int p_shadow_index,
while (instance) {
OccluderPolygon *co = occluder_polygon_owner.get_or_null(instance->occluder);
occluder_count++;
if (!co || co->index_array.is_null()) {
instance = instance->next;
continue;
}
occluder_count++;
if (!(p_light_mask & instance->light_mask) || !p_light_rect.intersects(instance->aabb_cache)) {
if (!(p_light_mask & instance->light_mask) || !p_light_rect.intersects_transformed(instance->xform_cache, instance->aabb_cache)) {
instance = instance->next;
continue;
}
@@ -2353,7 +2353,7 @@ void RendererCanvasRenderRD::_record_item_commands(const Item *p_item, RenderTar
Light *light = p_lights;
while (light) {
if (light->render_index_cache >= 0 && p_item->light_mask & light->item_mask && p_item->z_final >= light->z_min && p_item->z_final <= light->z_max && p_item->global_rect_cache.intersects_transformed(light->xform_cache, light->rect_cache)) {
if (light->render_index_cache >= 0 && p_item->light_mask & light->item_mask && p_item->z_final >= light->z_min && p_item->z_final <= light->z_max && p_item->global_rect_cache.intersects(light->rect_cache)) {
uint32_t light_index = light->render_index_cache;
lights[light_count >> 2] |= light_index << ((light_count & 3) * 8);