Call glFinish just before reallocating offscreen_saved_color_texture_

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 2509 matching lines @@
     glStencilMaskSeparate(GL_FRONT, -1);
     glStencilMaskSeparate(GL_BACK, -1);
     glClearDepth(0);
     glDepthMask(GL_TRUE);
     glDisable(GL_SCISSOR_TEST);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
     RestoreClearState();
   }
 
   // Workaround for NVIDIA driver bug on OS X; crbug.com/89557,
-  // crbug.com/94163. TODO(kbr): figure out reproduction so Apple will
+  // crbug.com/94103. TODO(kbr): figure out reproduction so Apple will
   // fix this.
-  if (needs_mac_nvidia_driver_workaround_)
+  if (needs_mac_nvidia_driver_workaround_) {
     offscreen_saved_frame_buffer_->Create();
+    glFinish();
+  }
 
   // Allocate the offscreen saved color texture.
   DCHECK(offscreen_saved_color_format_);
   offscreen_saved_color_texture_->AllocateStorage(
       offscreen_size_, offscreen_saved_color_format_);
 
   offscreen_saved_frame_buffer_->AttachRenderTexture(
       offscreen_saved_color_texture_.get());
   if (offscreen_saved_frame_buffer_->CheckStatus() !=
       GL_FRAMEBUFFER_COMPLETE) {
@@ skipping 4281 matching lines @@
   return false;
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu