From d802e8367e7709966747efbe57c90f1b8a08f83b Mon Sep 17 00:00:00 2001
From: Keuin <keuinx@gmail.com>
Date: Wed, 13 Apr 2022 14:52:46 +0800
Subject: Use basic_viewport8b if antialiasing is not enabled.

---
 viewport.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'viewport.h')

diff --git a/viewport.h b/viewport.h
index b4e4e56..74bdfcd 100644
--- a/viewport.h
+++ b/viewport.h
@@ -44,6 +44,7 @@ template<typename T>
 class viewport {
 public:
     virtual bitmap<T> render(const hitlist<T> &world, vec3d viewpoint, uint16_t image_width, uint16_t image_height) = 0;
+    virtual ~viewport() = default;
 };
 
 using viewport8b = viewport<uint8_t>;
-- 
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