Connect up --disable-gl-multisampling to command buffer

chrome/gpu/gpu_channel.cc

 // Copyright (c) 2010 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.
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "chrome/gpu/gpu_channel.h"
 
@@ skipping 14 matching lines @@
 GpuChannel::GpuChannel(GpuThread* gpu_thread,
                        int renderer_id)
     : gpu_thread_(gpu_thread),
       renderer_id_(renderer_id),
       renderer_process_(NULL),
       renderer_pid_(NULL) {
   DCHECK(gpu_thread);
   DCHECK(renderer_id);
   const CommandLine* command_line = CommandLine::ForCurrentProcess();
   log_messages_ = command_line->HasSwitch(switches::kLogPluginMessages);
+  disallowed_extensions_.multisampling =
+      command_line->HasSwitch(switches::kDisableGLMultisampling);
 }
 
 GpuChannel::~GpuChannel() {
 #if defined(OS_WIN)
   if (renderer_process_)
     CloseHandle(renderer_process_);
 #endif
 }
 
 bool GpuChannel::OnMessageReceived(const IPC::Message& message) {
@@ skipping 43 matching lines @@
 void GpuChannel::CreateViewCommandBuffer(
     gfx::PluginWindowHandle window,
     int32 render_view_id,
     const GPUCreateCommandBufferConfig& init_params,
     int32* route_id) {
   *route_id = MSG_ROUTING_NONE;
 
 #if defined(ENABLE_GPU)
   *route_id = GenerateRouteID();
   scoped_ptr<GpuCommandBufferStub> stub(new GpuCommandBufferStub(
-      this, window, NULL, gfx::Size(), init_params.allowed_extensions,
+      this, window, NULL, gfx::Size(), disallowed_extensions_,
+      init_params.allowed_extensions,
       init_params.attribs, 0, *route_id, renderer_id_, render_view_id));
   router_.AddRoute(*route_id, stub.get());
   stubs_.AddWithID(stub.release(), *route_id);
 #endif  // ENABLE_GPU
 }
 
 #if defined(OS_MACOSX)
 void GpuChannel::AcceleratedSurfaceBuffersSwapped(
     int32 route_id, uint64 swap_buffers_count) {
   GpuCommandBufferStub* stub = stubs_.Lookup(route_id);
@@ skipping 58 matching lines @@
   *route_id = GenerateRouteID();
   GpuCommandBufferStub* parent_stub = NULL;
   if (parent_route_id != 0)
     parent_stub = stubs_.Lookup(parent_route_id);
 
   scoped_ptr<GpuCommandBufferStub> stub(new GpuCommandBufferStub(
       this,
       gfx::kNullPluginWindow,
       parent_stub,
       size,
+      disallowed_extensions_,
       init_params.allowed_extensions,
       init_params.attribs,
       parent_texture_id,
       *route_id,
       0, 0));
   router_.AddRoute(*route_id, stub.get());
   stubs_.AddWithID(stub.release(), *route_id);
 #else
   *route_id = MSG_ROUTING_NONE;
 #endif
@@ skipping 65 matching lines @@
 #if defined(OS_POSIX)
 int GpuChannel::GetRendererFileDescriptor() {
   int fd = -1;
   if (channel_.get()) {
     fd = channel_->GetClientFileDescriptor();
   }
   return fd;
 }
 #endif  // defined(OS_POSIX)