diff --git a/mediapipe/java/com/google/mediapipe/components/GlSurfaceViewRenderer.java b/mediapipe/java/com/google/mediapipe/components/GlSurfaceViewRenderer.java
index 7732ed17d..9321e82b4 100644
--- a/mediapipe/java/com/google/mediapipe/components/GlSurfaceViewRenderer.java
+++ b/mediapipe/java/com/google/mediapipe/components/GlSurfaceViewRenderer.java
@@ -231,7 +231,7 @@ public class GlSurfaceViewRenderer implements GLSurfaceView.Renderer {
   }
 
   /** Returns the texture left, right, bottom, and top visible boundaries. */
-  protected float[] calculateTextureBoundary() {
+  public float[] calculateTextureBoundary() {
     // TODO: compute scale from surfaceTexture size.
     float scaleWidth = frameWidth > 0 ? (float) surfaceWidth / (float) frameWidth : 1.0f;
     float scaleHeight = frameHeight > 0 ? (float) surfaceHeight / (float) frameHeight : 1.0f;