From 3b2eab1cf9b2f82a0071fb9cf9497b050ee9b82c Mon Sep 17 00:00:00 2001
From: Alexander Rose <alex.rose@rcsb.org>
Date: Wed, 3 Apr 2019 15:54:23 -0700
Subject: [PATCH] ensure no framebuffer is bound in
 waitForGpuCommandsCompleteSync

---
 src/mol-gl/webgl/context.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mol-gl/webgl/context.ts b/src/mol-gl/webgl/context.ts
index 2ec22c992..2bb18df68 100644
--- a/src/mol-gl/webgl/context.ts
+++ b/src/mol-gl/webgl/context.ts
@@ -107,6 +107,7 @@ function waitForGpuCommandsComplete(gl: GLRenderingContext): Promise<void> {
 }
 
 function waitForGpuCommandsCompleteSync(gl: GLRenderingContext): void {
+    gl.bindFramebuffer(gl.FRAMEBUFFER, null)
     gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, tmpPixel)
 }
 
-- 
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