HW draw workarounds

webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.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 "webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
 
 #include <GLES2/gl2.h>
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
 #endif
@@ skipping 633 matching lines @@
       LOG(ERROR) << "Could not make context current.";
       Destroy();
       return false;
     }
 
     ::gpu::gles2::DisallowedFeatures disallowed_features;
     disallowed_features.swap_buffer_complete_callback = true;
     disallowed_features.gpu_memory_manager = true;
     if (!decoder_->Initialize(surface_,
                               context_,
-                              true,
+                              is_offscreen,
                               size,
                               disallowed_features,
                               allowed_extensions,
                               attribs)) {
       LOG(ERROR) << "Could not initialize decoder.";
       Destroy();
       return false;
     }
   }
 
@@ skipping 1319 matching lines @@
 DELEGATE_TO_GL_1(waitAsyncTexImage2DCHROMIUM, WaitAsyncTexImage2DCHROMIUM,
     WGC3Denum)
 
 void WebGraphicsContext3DInProcessCommandBufferImpl::SetGpuMemoryBufferCreator(
     GpuMemoryBufferCreator* creator) {
   g_gpu_memory_buffer_creator = creator;
 }
 
 }  // namespace gpu
 }  // namespace webkit