Redesigned CommandBuffer and NPDevice3D interfaces

gpu/command_buffer/service/gpu_processor.cc

 // Copyright (c) 2009 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 "base/message_loop.h"
 #include "gpu/command_buffer/service/gpu_processor.h"
 
 using ::base::SharedMemory;
 
 namespace gpu {
@@ skipping 14 matching lines @@
       commands_per_update_(commands_per_update) {
   DCHECK(command_buffer);
   decoder_.reset(decoder);
   parser_.reset(parser);
 }
 
 GPUProcessor::~GPUProcessor() {
 }
 
 void GPUProcessor::ProcessCommands() {
-  if (command_buffer_->GetErrorStatus())
+  CommandBuffer::State state = command_buffer_->GetState();
+  if (state.error != parse_error::kParseNoError)
     return;
 
   if (decoder_.get()) {
     // TODO(apatrick): need to do more than this on failure.
     if (!decoder_->MakeCurrent())
       return;
   }
 
-  parser_->set_put(command_buffer_->GetPutOffset());
+  parser_->set_put(state.put_offset);
 
   int commands_processed = 0;
   while (commands_processed < commands_per_update_ && !parser_->IsEmpty()) {
     parse_error::ParseError parse_error = parser_->ProcessCommand();
-    switch (parse_error) {
-      case parse_error::kParseUnknownCommand:
-      case parse_error::kParseInvalidArguments:
-        command_buffer_->SetParseError(parse_error);
-        break;
-
-      case parse_error::kParseInvalidSize:
-      case parse_error::kParseOutOfBounds:
-        command_buffer_->SetParseError(parse_error);
-        command_buffer_->RaiseErrorStatus();
-        return;
-      case gpu::parse_error::kParseNoError:
-        break;
+    if (parse_error != parse_error::kParseNoError) {
+      command_buffer_->SetParseError(parse_error);
+      return;
     }
-
     ++commands_processed;
   }
 
   command_buffer_->SetGetOffset(static_cast<int32>(parser_->get()));
 
   if (!parser_->IsEmpty()) {
     MessageLoop::current()->PostTask(
         FROM_HERE, NewRunnableMethod(this, &GPUProcessor::ProcessCommands));
   }
 }
 
 Buffer GPUProcessor::GetSharedMemoryBuffer(int32 shm_id) {
   return command_buffer_->GetTransferBuffer(shm_id);
 }
 
 void GPUProcessor::set_token(int32 token) {
   command_buffer_->SetToken(token);
 }
 
 }  // namespace gpu