Add CommandBuffer::SetGetBuffer

gpu/command_buffer/client/cmd_buffer_helper_test.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.
 
 // Tests for the Command Buffer Helper.
 
 #include "base/callback.h"
 #include "base/message_loop.h"
 #include "gpu/command_buffer/client/cmd_buffer_helper.h"
 #include "gpu/command_buffer/service/mocks.h"
@@ skipping 47 matching lines @@
   };
 
   virtual void SetUp() {
     api_mock_.reset(new AsyncAPIMock);
     // ignore noops in the mock - we don't want to inspect the internals of the
     // helper.
     EXPECT_CALL(*api_mock_, DoCommand(cmd::kNoop, _, _))
         .WillRepeatedly(Return(error::kNoError));
 
     command_buffer_.reset(new CommandBufferService);
-    command_buffer_->Initialize(kCommandBufferSizeBytes);
-    Buffer ring_buffer = command_buffer_->GetRingBuffer();
+    command_buffer_->Initialize();
 
-    parser_ = new CommandParser(ring_buffer.ptr,
-                                ring_buffer.size,
-                                0,
-                                ring_buffer.size,
-                                0,
-                                api_mock_.get());
+    parser_ = new CommandParser(api_mock_.get());
 
     do_jump_command_.reset(new DoJumpCommand(parser_));
     EXPECT_CALL(*api_mock_, DoCommand(cmd::kJump, _, _))
         .WillRepeatedly(
             Invoke(do_jump_command_.get(), &DoJumpCommand::DoCommand));
 
     gpu_scheduler_.reset(new GpuScheduler(
         command_buffer_.get(), NULL, parser_));
     command_buffer_->SetPutOffsetChangeCallback(NewCallback(
         gpu_scheduler_.get(), &GpuScheduler::PutChanged));
 
     api_mock_->set_engine(gpu_scheduler_.get());
 
     helper_.reset(new CommandBufferHelper(command_buffer_.get()));
     helper_->Initialize(kCommandBufferSizeBytes);
+
+    // Note: parser->SetBuffer would normally be called through
+    // helper_->Initialize but currently it needs a GpuCommandBufferStub as the
+    // CommandBuffer instead of the CommandBufferService for that to happen.
+    Buffer ring_buffer = helper_->get_ring_buffer();
+    parser_->SetBuffer(ring_buffer.ptr, ring_buffer.size, 0, ring_buffer.size);
   }
 
   virtual void TearDown() {
     // If the GpuScheduler posts any tasks, this forces them to run.
     MessageLoop::current()->RunAllPending();
   }
 
   // Adds a command to the buffer through the helper, while adding it as an
   // expected call on the API mock.
   void AddCommandWithExpect(error::Error _return,
@@ skipping 200 matching lines @@
   helper_->Finish();
 
   // Check that the commands did happen.
   Mock::VerifyAndClearExpectations(api_mock_.get());
 
   // Check the error status.
   EXPECT_EQ(error::kNoError, GetError());
 }
 
 }  // namespace gpu