commit 82266bf9494bbc751c5d727835bf0988a6c51004
author boliu <boliu@chromium.org> Thu Nov 20 11:09:10 2014 -0800
committer Bo Liu <boliu@google.com> Fri Nov 21 14:19:07 2014 -0800
tree 323b9de4b3da04d67f42090a08006fcf1c5a0e75
parent 7fdf670743d19bfce95eb5e80719548002ff0bc8

Cherry-pick: aw: Workaround qualcomm driver bug

Clean cherry-pick of chromium
crrev.com/18abdf1afb8034be81213b23d9e05d34e92bc8d3

BUG: 18386625

Original description:

This is a small webview-specific workaround that affects all drivers.
Will need a better driver/version specific workaround later.

Change-Id: Iec566f9f166397a104badb8b549cc59e6173faac

android_webview/browser/scoped_app_gl_state_restore.cc

diff --git a/android_webview/browser/scoped_app_gl_state_restore.cc b/android_webview/browser/scoped_app_gl_state_restore.cc
index a36e061..c0226d1 100644
--- a/android_webview/browser/scoped_app_gl_state_restore.cc
+++ b/android_webview/browser/scoped_app_gl_state_restore.cc
@@ -294,6 +294,9 @@
     glGetVertexAttribfv(
         i, GL_CURRENT_VERTEX_ATTRIB, vertex_attrib_[i].current_vertex_attrib);
   }
+
+  // Android 5.0.0 specific qualcomm workaround. See crbug.com/434570.
+  glBindRenderbufferEXT(GL_RENDERBUFFER, 0);
   DCHECK(ClearGLErrors(false, NULL));
 }