From 01cf05cfa6219af5fcc0bc14710c79e54066fca6 Mon Sep 17 00:00:00 2001
From: Mattia Iavarone <mat.iavarone@gmail.com>
Date: Thu, 23 Jan 2020 14:51:08 -0300
Subject: [PATCH] Improve BaseFilter

---
 .../otaliastudios/cameraview/filter/BaseFilter.java  | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/cameraview/src/main/java/com/otaliastudios/cameraview/filter/BaseFilter.java b/cameraview/src/main/java/com/otaliastudios/cameraview/filter/BaseFilter.java
index 1fa2d937..b7aa2cc7 100644
--- a/cameraview/src/main/java/com/otaliastudios/cameraview/filter/BaseFilter.java
+++ b/cameraview/src/main/java/com/otaliastudios/cameraview/filter/BaseFilter.java
@@ -89,7 +89,7 @@ public abstract class BaseFilter implements Filter {
     }
 
     @VisibleForTesting GlTextureProgram program = null;
-    private final GlDrawable programDrawable = new GlRect();
+    private GlDrawable programDrawable = null;
     @VisibleForTesting Size size;
 
     @SuppressWarnings("WeakerAccess")
@@ -121,17 +121,12 @@ public abstract class BaseFilter implements Filter {
 
     @Override
     public void onCreate(int programHandle) {
-        program = onCreateProgram(programHandle);
-    }
-
-    @SuppressWarnings("WeakerAccess")
-    @NonNull
-    protected GlTextureProgram onCreateProgram(int programHandle) {
-        return new GlTextureProgram(programHandle,
+        program = new GlTextureProgram(programHandle,
                 vertexPositionName,
                 vertexModelViewProjectionMatrixName,
                 vertexTextureCoordinateName,
                 vertexTransformMatrixName);
+        programDrawable = new GlRect();
     }
 
     @Override
@@ -142,6 +137,7 @@ public abstract class BaseFilter implements Filter {
         // would cause an error.
         program.release();
         program = null;
+        programDrawable = null;
     }
 
     @NonNull