commit 32e96fff3b3d2a642c70fe847370fddae1dd08c5
Author: Leszek Koltunski <leszek@koltunski.pl>
Date:   Tue Nov 15 12:54:18 2022 +0100

    Partly merge the 'iap' branch.

diff --git a/src/main/java/org/distorted/examples/glow/GlowRenderer.java b/src/main/java/org/distorted/examples/glow/GlowRenderer.java
index b8c7ceb..ad37b41 100644
--- a/src/main/java/org/distorted/examples/glow/GlowRenderer.java
+++ b/src/main/java/org/distorted/examples/glow/GlowRenderer.java
@@ -48,13 +48,13 @@ class GlowRenderer implements GLSurfaceView.Renderer, DistortedLibrary.Exception
 {
    private static final float HALO_TO_RADIUS = 0.2f;
 
-   private GLSurfaceView mView;
-   private DistortedTexture mLeaf;
-   private DistortedScreen mScreen;
-   private PostprocessEffectGlow mGlow;
-   private Static3D mScale;
-   private Static2D mHaloRadius;
-   private Static4D mColor;
+   private final GLSurfaceView mView;
+   private final DistortedTexture mLeaf;
+   private final DistortedScreen mScreen;
+   private final PostprocessEffectGlow mGlow;
+   private final Static3D mScale;
+   private final Static2D mHaloRadius;
+   private final Static4D mColor;
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////