Free worker context resources on idle.

gpu/command_buffer/client/gles2_implementation_unittest.cc

 // Copyright (c) 2012 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 GLES2Implementation.
 
 #include "gpu/command_buffer/client/gles2_implementation.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 #include <GLES2/gl2extchromium.h>
 #include <GLES3/gl3.h>
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 
+#include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ptr_util.h"
+#include "base/test/test_mock_time_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "gpu/command_buffer/client/client_test_helper.h"
 #include "gpu/command_buffer/client/gles2_cmd_helper.h"
 #include "gpu/command_buffer/client/program_info_manager.h"
 #include "gpu/command_buffer/client/query_tracker.h"
 #include "gpu/command_buffer/client/ring_buffer.h"
 #include "gpu/command_buffer/client/shared_memory_limits.h"
 #include "gpu/command_buffer/client/transfer_buffer.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "gpu/command_buffer/common/sync_token.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 4589 matching lines @@
     auto visibility_0 = gl_->ClientBecameVisible();
     auto visibility_1 = gl_->ClientBecameVisible();
     EXPECT_TRUE(gl_->AnyClientsVisible());
     gl_->ClientBecameNotVisible(std::move(visibility_0));
     EXPECT_TRUE(gl_->AnyClientsVisible());
     gl_->ClientBecameNotVisible(std::move(visibility_1));
     EXPECT_FALSE(gl_->AnyClientsVisible());
   }
 }
 
+TEST_F(GLES2ImplementationTest, ClientBusyBasic) {
+  auto runner = make_scoped_refptr(new base::TestMockTimeTaskRunner());
+  base::ThreadTaskRunnerHandle handle(runner);
+
+  bool signaled = false;
+  gl_->SetIdleCallback(
+      base::Bind([](bool* signaled) { *signaled = true; }, &signaled), runner);
+  auto busy = gl_->ClientBecameBusy();
+  gl_->ClientBecameNotBusy(std::move(busy));
+
+  runner->FastForwardBy(base::TimeDelta::FromSeconds(5));
+  EXPECT_TRUE(signaled);
+}
+
+TEST_F(GLES2ImplementationTest, ClientBusyCancelled) {
+  auto runner = make_scoped_refptr(new base::TestMockTimeTaskRunner());
+  base::ThreadTaskRunnerHandle handle(runner);
+
+  bool signaled = false;
+  gl_->SetIdleCallback(
+      base::Bind([](bool* signaled) { *signaled = true; }, &signaled), runner);
+  auto busy = gl_->ClientBecameBusy();
+
+  // This will trigger the idle callback to start counting down.
+  gl_->ClientBecameNotBusy(std::move(busy));
+
+  // Immediately take another busy lock to stop the countdown.
+  busy = gl_->ClientBecameBusy();
+
+  // Advance time and ensure that our callback was cancelled (does not run).
+  runner->FastForwardBy(base::TimeDelta::FromSeconds(5));
+  EXPECT_FALSE(signaled);
+
+  // Release our busy lock, and let the idle callback run.
+  gl_->ClientBecameNotBusy(std::move(busy));
+
+  runner->FastForwardBy(base::TimeDelta::FromSeconds(5));
+  EXPECT_TRUE(signaled);
+}
+
 #include "base/macros.h"
 #include "gpu/command_buffer/client/gles2_implementation_unittest_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu