Call xglMakeCurrent for each command buffer to allow for multiple GL contexts...

gpu/command_buffer/service/gpu_processor_unittest.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/at_exit.h"
 #include "base/message_loop.h"
 #include "gpu/command_buffer/common/command_buffer_mock.h"
 #include "gpu/command_buffer/service/mocks.h"
 #include "gpu/command_buffer/service/gpu_processor.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
+#include "gpu/command_buffer/service/gles2_cmd_decoder_mock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 using testing::_;
 using testing::DoAll;
 using testing::Invoke;
 using testing::NiceMock;
 using testing::Return;
 using testing::SetArgumentPointee;
 using testing::StrictMock;
@@ skipping 15 matching lines @@
     memset(buffer_, 0, kRingBufferSize);
 
     command_buffer_.reset(new MockCommandBuffer);
     ON_CALL(*command_buffer_.get(), GetRingBuffer())
       .WillByDefault(Return(shared_memory_buffer_));
     ON_CALL(*command_buffer_.get(), GetSize())
       .WillByDefault(Return(kRingBufferEntries));
 
     async_api_.reset(new StrictMock<AsyncAPIMock>);
 
-    decoder_ = gles2::GLES2Decoder::Create();
+    decoder_ = new gles2::MockGLES2Decoder();
 
     parser_ = new CommandParser(buffer_,
                                 kRingBufferEntries,
                                 0,
                                 kRingBufferEntries,
                                 0,
                                 async_api_.get());
 
     processor_ = new GPUProcessor(command_buffer_.get(),
                                   decoder_,
                                   parser_,
                                   2);
   }
 
   virtual void TearDown() {
     // Ensure that any unexpected tasks posted by the GPU processor are executed
     // in order to fail the test.
     MessageLoop::current()->RunAllPending();
   }
 
   base::AtExitManager at_exit_manager;
   MessageLoop message_loop;
   scoped_ptr<MockCommandBuffer> command_buffer_;
   scoped_ptr<::base::SharedMemory> shared_memory_;
   Buffer shared_memory_buffer_;
   int32* buffer_;
-  gles2::GLES2Decoder* decoder_;
+  gles2::MockGLES2Decoder* decoder_;
   CommandParser* parser_;
   scoped_ptr<AsyncAPIMock> async_api_;
   scoped_refptr<GPUProcessor> processor_;
 };
 
 TEST_F(GPUProcessorTest, ProcessorDoesNothingIfRingBufferIsEmpty) {
   EXPECT_CALL(*command_buffer_, GetPutOffset())
     .WillOnce(Return(0));
   EXPECT_CALL(*command_buffer_, SetGetOffset(0));
 
@@ skipping 38 matching lines @@
 
   EXPECT_CALL(*async_api_, DoCommand(7, 1, &buffer_[0]))
     .WillOnce(Return(parse_error::kParseNoError));
 
   EXPECT_CALL(*async_api_, DoCommand(8, 0, &buffer_[2]))
     .WillOnce(Return(parse_error::kParseNoError));
 
   processor_->ProcessCommands();
 }
 
+TEST_F(GPUProcessorTest, ProcessorSetsAndResetsTheGLContext) {
+  EXPECT_CALL(*decoder_, MakeCurrent())
+    .WillOnce(Return(true));
+  EXPECT_CALL(*command_buffer_, GetPutOffset())
+    .WillOnce(Return(0));
+  EXPECT_CALL(*command_buffer_, SetGetOffset(0));
+
+  processor_->ProcessCommands();
+}
+
 TEST_F(GPUProcessorTest, PostsTaskToFinishRemainingCommands) {
   CommandHeader* header = reinterpret_cast<CommandHeader*>(&buffer_[0]);
   header[0].command = 7;
   header[0].size = 2;
   buffer_[1] = 123;
   header[2].command = 8;
   header[2].size = 1;
   header[3].command = 9;
   header[3].size = 1;
 
@@ skipping 116 matching lines @@
 
   EXPECT_EQ(kRingBufferSize, processor_->GetSharedMemoryBuffer(7).size);
 }
 
 TEST_F(GPUProcessorTest, SetTokenForwardsToCommandBuffer) {
   EXPECT_CALL(*command_buffer_, SetToken(7));
   processor_->set_token(7);
 }
 
 }  // namespace gpu