Add a transform feedback workaround for Intel GPUs on MacOSX

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // Copyright (c) 2012 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 <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
@@ skipping 5653 matching lines @@
 }
 
 void GLES2DecoderImpl::DoResumeTransformFeedback() {
   DCHECK(state_.bound_transform_feedback.get());
   if (!state_.bound_transform_feedback->active() ||
       !state_.bound_transform_feedback->paused()) {
     LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION, "glResumeTransformFeedback",
                        "transform feedback is not active or not paused");
     return;
   }
+  if (feature_info_->workarounds().rebind_transform_feedback_before_resume) {
+    glBindTransformFeedback(GL_TRANSFORM_FEEDBACK, 0);
+    glBindTransformFeedback(GL_TRANSFORM_FEEDBACK,
+        state_.bound_transform_feedback->service_id());
+  }
   state_.bound_transform_feedback->DoResumeTransformFeedback();
 }
 
 void GLES2DecoderImpl::DoDisableVertexAttribArray(GLuint index) {
   if (state_.vertex_attrib_manager->Enable(index, false)) {
     if (index != 0 || gl_version_info().BehavesLikeGLES()) {
       glDisableVertexAttribArray(index);
     }
   } else {
     LOCAL_SET_GL_ERROR(
@@ skipping 12029 matching lines @@
 }
 
 // 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 "base/macros.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu