From fdeeaba9d8a1dd322e95ed68d97fe94d3d1b3d75 Mon Sep 17 00:00:00 2001
From: huangdarwin <huangdarwin@google.com>
Date: Wed, 26 Apr 2023 18:21:26 +0100
Subject: [PATCH] Effect: Call glFinish before providing VFP output texture

glFinish should be called before reading from a texture, to make sure it's been
properly rendered to.

PiperOrigin-RevId: 527302946
---
 .../java/androidx/media3/effect/FinalShaderProgramWrapper.java   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/effect/src/main/java/androidx/media3/effect/FinalShaderProgramWrapper.java b/libraries/effect/src/main/java/androidx/media3/effect/FinalShaderProgramWrapper.java
index d06a3ac044..cbf040e18b 100644
--- a/libraries/effect/src/main/java/androidx/media3/effect/FinalShaderProgramWrapper.java
+++ b/libraries/effect/src/main/java/androidx/media3/effect/FinalShaderProgramWrapper.java
@@ -341,6 +341,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
         outputTexture.fboId, outputTexture.width, outputTexture.height);
     GlUtil.clearOutputFrame();
     checkNotNull(defaultShaderProgram).drawFrame(inputTexture.texId, presentationTimeUs);
+    GLES20.glFinish();
     checkNotNull(textureOutputListener).onTextureRendered(outputTexture, presentationTimeUs);
   }