Revert 260177 "By keeping track of transfer buffer usage (both s..."

trunk/src/gpu/command_buffer/common/gles2_cmd_format_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.
 
 // This file contains unit tests for gles2 commmands
 
-#include <limits>
-
-#include "base/bind.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 
 namespace gpu {
 namespace gles2 {
 
 class GLES2FormatTest : public testing::Test {
  protected:
   static const unsigned char kInitialValue = 0xBD;
 
@@ skipping 22 matching lines @@
 
   void CheckBytesWrittenMatchesExpectedSize(
       const void* end, size_t expected_size) {
     CheckBytesWritten(end, expected_size, expected_size);
   }
 
  private:
   unsigned char buffer_[1024];
 };
 
-void SignalCompletion(uint32* assigned_async_token_ptr,
-                      uint32 async_token,
-                      AsyncUploadSync* sync) {
-  EXPECT_EQ(async_token, *assigned_async_token_ptr);
-  sync->SetAsyncUploadToken(async_token);
-}
-
-TEST(GLES2FormatAsyncUploadSyncTest, AsyncUploadSync) {
-  const size_t kSize = 10;
-  const size_t kCount = 1000;
-
-  base::Thread thread("GLES2FormatUploadSyncTest - Fake Upload Thread");
-  thread.Start();
-
-  // Run the same test 50 times so we retest the wrap as well.
-  for (size_t test_run = 0; test_run < 50; ++test_run) {
-    AsyncUploadSync sync;
-    sync.Reset();
-
-    uint32 buffer_tokens[kSize];
-    memset(buffer_tokens, 0, sizeof(buffer_tokens));
-
-    // Start with a token large enough so that we'll wrap.
-    uint32 async_token = std::numeric_limits<uint32>::max() - kCount / 2;
-
-    // Set initial async token.
-    sync.SetAsyncUploadToken(async_token);
-
-    for (size_t i = 0; i < kCount; ++i) {
-      size_t buffer = i % kSize;
-
-      // Loop until previous async token has passed if any was set.
-      while (buffer_tokens[buffer] &&
-             !sync.HasAsyncUploadTokenPassed(buffer_tokens[buffer]))
-        base::PlatformThread::YieldCurrentThread();
-
-      // Next token, skip 0.
-      async_token++;
-      if (async_token == 0)
-        async_token++;
-
-      // Set the buffer's associated token.
-      buffer_tokens[buffer] = async_token;
-
-      // Set the async upload token on the fake upload thread and assert that
-      // the associated buffer still has the given token.
-      thread.message_loop()->PostTask(FROM_HERE,
-                                      base::Bind(&SignalCompletion,
-                                                 &buffer_tokens[buffer],
-                                                 async_token,
-                                                 &sync));
-    }
-
-    // Flush the thread message loop before starting again.
-    base::WaitableEvent waitable(false, false);
-    thread.message_loop()->PostTask(FROM_HERE,
-                                    base::Bind(&base::WaitableEvent::Signal,
-                                               base::Unretained(&waitable)));
-    waitable.Wait();
-  }
-}
-
 // GCC requires these declarations, but MSVC requires they not be present
 #ifndef _MSC_VER
 const unsigned char GLES2FormatTest::kInitialValue;
 #endif
 
 #include "gpu/command_buffer/common/gles2_cmd_format_test_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu