Branched gpu process and command buffer code into Chrome tree. Fixed up paths and other minor changes to make it work in the Chrome tree. Will remove copy from O3D tree shortly. Only works in Windows currently.

TEST=none
BUG=none

Review URL: http://codereview.chromium.org/436017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@32952 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 319 insertions, 0 deletions

diff --git a/gpu/gpu_plugin/gpu_plugin_object_unittest.cc b/gpu/gpu_plugin/gpu_plugin_object_unittest.cc
new file mode 100644
index 0000000..b032aa0
--- /dev/null
+++ b/gpu/gpu_plugin/gpu_plugin_object_unittest.cc
@@ -0,0 +1,319 @@
+// Copyright (c) 2006-2008 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 "gpu/command_buffer/common/command_buffer_mock.h"
+#include "gpu/gpu_plugin/gpu_plugin_object.h"
+#include "gpu/command_buffer/service/gpu_processor_mock.h"
+#include "gpu/np_utils/np_browser_mock.h"
+#include "gpu/np_utils/dynamic_np_object.h"
+#include "gpu/np_utils/np_object_mock.h"
+#include "gpu/np_utils/np_object_pointer.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "webkit/glue/plugins/nphostapi.h"
+
+using ::base::SharedMemory;
+using command_buffer::GPUProcessor;
+using command_buffer::MockCommandBuffer;
+using command_buffer::MockGPUProcessor;
+using np_utils::MockNPBrowser;
+using np_utils::NPBrowser;
+using np_utils::NPObjectPointer;
+using testing::_;
+using testing::DoAll;
+using testing::Invoke;
+using testing::NotNull;
+using testing::Return;
+using testing::SetArgumentPointee;
+using testing::StrictMock;
+
+namespace gpu_plugin {
+
+class GPUPluginObjectTest : public testing::Test {
+ protected:
+  virtual void SetUp() {
+    plugin_object_ = np_utils::NPCreateObject<GPUPluginObject>(NULL);
+
+    command_buffer_ = new MockCommandBuffer;
+
+    // Takes ownership.
+    plugin_object_->set_command_buffer(command_buffer_);
+
+    processor_ = new MockGPUProcessor(command_buffer_);
+    plugin_object_->set_gpu_processor(processor_.get());
+  }
+
+  MockNPBrowser mock_browser_;
+  NPObjectPointer<GPUPluginObject> plugin_object_;
+  MockCommandBuffer* command_buffer_;
+  scoped_refptr<MockGPUProcessor> processor_;
+};
+
+namespace {
+template <typename T>
+void DeleteObject(T* object) {
+  delete object;
+}
+}  // namespace anonymous
+
+
+TEST_F(GPUPluginObjectTest, CanInstantiateAndDestroyPluginObject) {
+  EXPECT_EQ(GPUPluginObject::kWaitingForNew, plugin_object_->GetStatus());
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->New("application/foo",
+                                                0,
+                                                NULL,
+                                                NULL,
+                                                NULL));
+
+  EXPECT_EQ(GPUPluginObject::kWaitingForSetWindow, plugin_object_->GetStatus());
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->Destroy(NULL));
+
+  EXPECT_EQ(GPUPluginObject::kDestroyed, plugin_object_->GetStatus());
+}
+
+TEST_F(GPUPluginObjectTest, DestroyFailsIfNotInitialized) {
+  EXPECT_EQ(NPERR_GENERIC_ERROR, plugin_object_->Destroy(NULL));
+}
+
+TEST_F(GPUPluginObjectTest, NewFailsIfAlreadyInitialized) {
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->New("application/foo",
+                                                0,
+                                                NULL,
+                                                NULL,
+                                                NULL));
+
+  EXPECT_EQ(NPERR_GENERIC_ERROR, plugin_object_->New("application/foo",
+                                                0,
+                                                NULL,
+                                                NULL,
+                                                NULL));
+
+  EXPECT_EQ(GPUPluginObject::kWaitingForSetWindow, plugin_object_->GetStatus());
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->Destroy(NULL));
+
+  EXPECT_EQ(GPUPluginObject::kDestroyed, plugin_object_->GetStatus());
+}
+
+TEST_F(GPUPluginObjectTest, NewFailsIfObjectHasPreviouslyBeenDestroyed) {
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->New("application/foo",
+                                                0,
+                                                NULL,
+                                                NULL,
+                                                NULL));
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->Destroy(NULL));
+
+  EXPECT_EQ(NPERR_GENERIC_ERROR, plugin_object_->New("application/foo",
+                                                     0,
+                                                     NULL,
+                                                     NULL,
+                                                     NULL));
+
+  EXPECT_EQ(GPUPluginObject::kDestroyed, plugin_object_->GetStatus());
+}
+
+TEST_F(GPUPluginObjectTest, WindowIsNullBeforeSetWindowCalled) {
+  NPWindow window = plugin_object_->GetWindow();
+  EXPECT_EQ(NULL, window.window);
+}
+
+TEST_F(GPUPluginObjectTest, CanSetWindow) {
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->New("application/foo",
+                                                0,
+                                                NULL,
+                                                NULL,
+                                                NULL));
+
+  NPWindow window = {0};
+  window.window = &window;
+  window.x = 7;
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->SetWindow(&window));
+  EXPECT_EQ(0, memcmp(&window, &plugin_object_->GetWindow(), sizeof(window)));
+  EXPECT_EQ(GPUPluginObject::kWaitingForOpenCommandBuffer,
+            plugin_object_->GetStatus());
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->Destroy(NULL));
+}
+
+TEST_F(GPUPluginObjectTest, CanGetWindowSize) {
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->New("application/foo",
+                                                0,
+                                                NULL,
+                                                NULL,
+                                                NULL));
+
+  NPWindow window = {0};
+  window.window = &window;
+  window.x = 10;
+  window.y = 10;
+  window.width = 100;
+  window.height = 200;
+
+  EXPECT_EQ(0, plugin_object_->GetWidth());
+  EXPECT_EQ(0, plugin_object_->GetHeight());
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->SetWindow(&window));
+  EXPECT_EQ(100, plugin_object_->GetWidth());
+  EXPECT_EQ(200, plugin_object_->GetHeight());
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->Destroy(NULL));
+}
+
+TEST_F(GPUPluginObjectTest, SetWindowFailsIfNotInitialized) {
+  NPWindow window = {0};
+  EXPECT_EQ(NPERR_GENERIC_ERROR, plugin_object_->SetWindow(&window));
+  EXPECT_EQ(GPUPluginObject::kWaitingForNew, plugin_object_->GetStatus());
+}
+
+TEST_F(GPUPluginObjectTest, CanGetScriptableNPObject) {
+  NPObject* scriptable_object = plugin_object_->GetScriptableNPObject();
+  EXPECT_EQ(plugin_object_.Get(), scriptable_object);
+  NPBrowser::get()->ReleaseObject(scriptable_object);
+}
+
+TEST_F(GPUPluginObjectTest, OpenCommandBufferReturnsInitializedCommandBuffer) {
+  EXPECT_CALL(*command_buffer_, Initialize(NotNull()))
+    .WillOnce(DoAll(Invoke(DeleteObject<SharedMemory>),
+                    Return(true)));
+
+  EXPECT_CALL(*processor_.get(), Initialize(NULL))
+    .WillOnce(Return(true));
+
+  EXPECT_CALL(*command_buffer_, SetPutOffsetChangeCallback(NotNull()))
+    .WillOnce(Invoke(DeleteObject<Callback0::Type>));
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->New("application/foo",
+                                                0,
+                                                NULL,
+                                                NULL,
+                                                NULL));
+
+  // Set status as though SetWindow has been called. Avoids having to create a
+  // valid window handle to pass to SetWindow in tests.
+  plugin_object_->set_status(GPUPluginObject::kWaitingForOpenCommandBuffer);
+
+  EXPECT_EQ(command_buffer_, plugin_object_->OpenCommandBuffer());
+
+  // Calling OpenCommandBuffer again just returns the existing command buffer.
+  EXPECT_EQ(command_buffer_, plugin_object_->OpenCommandBuffer());
+
+  EXPECT_EQ(GPUPluginObject::kInitializationSuccessful,
+            plugin_object_->GetStatus());
+
+  EXPECT_CALL(*command_buffer_, SetPutOffsetChangeCallback(NULL));
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->Destroy(NULL));
+}
+
+TEST_F(GPUPluginObjectTest, OpenCommandBufferReturnsNullIfWindowNotReady) {
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->New("application/foo",
+                                                0,
+                                                NULL,
+                                                NULL,
+                                                NULL));
+
+  // Set status as though SetWindow has not been called.
+  plugin_object_->set_status(GPUPluginObject::kWaitingForSetWindow);
+
+  EXPECT_TRUE(NULL == plugin_object_->OpenCommandBuffer());
+
+  EXPECT_EQ(GPUPluginObject::kWaitingForSetWindow, plugin_object_->GetStatus());
+}
+
+
+TEST_F(GPUPluginObjectTest,
+    OpenCommandBufferReturnsNullIfCommandBufferCannotInitialize) {
+  EXPECT_CALL(*command_buffer_, Initialize(NotNull()))
+    .WillOnce(DoAll(Invoke(DeleteObject<SharedMemory>),
+                    Return(false)));
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->New("application/foo",
+                                                0,
+                                                NULL,
+                                                NULL,
+                                                NULL));
+
+  // Set status as though SetWindow has been called. Avoids having to create a
+  // valid window handle to pass to SetWindow in tests.
+  plugin_object_->set_status(GPUPluginObject::kWaitingForOpenCommandBuffer);
+
+  EXPECT_TRUE(NULL == plugin_object_->OpenCommandBuffer());
+
+  EXPECT_EQ(GPUPluginObject::kWaitingForOpenCommandBuffer,
+            plugin_object_->GetStatus());
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->Destroy(NULL));
+}
+
+TEST_F(GPUPluginObjectTest,
+    OpenCommandBufferReturnsNullIGPUProcessorCannotInitialize) {
+  EXPECT_CALL(*command_buffer_, Initialize(NotNull()))
+    .WillOnce(DoAll(Invoke(DeleteObject<SharedMemory>),
+                    Return(true)));
+
+  EXPECT_CALL(*processor_.get(), Initialize(NULL))
+    .WillOnce(Return(false));
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->New("application/foo",
+                                                0,
+                                                NULL,
+                                                NULL,
+                                                NULL));
+
+  // Set status as though SetWindow has been called. Avoids having to create a
+  // valid window handle to pass to SetWindow in tests.
+  plugin_object_->set_status(GPUPluginObject::kWaitingForOpenCommandBuffer);
+
+  EXPECT_TRUE(NULL == plugin_object_->OpenCommandBuffer());
+
+  EXPECT_EQ(GPUPluginObject::kWaitingForOpenCommandBuffer,
+            plugin_object_->GetStatus());
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->Destroy(NULL));
+}
+
+class MockEventSync : public np_utils::DefaultNPObject<NPObject> {
+ public:
+  explicit MockEventSync(NPP npp) {
+  }
+
+  MOCK_METHOD2(Resize, void(int32 width, int32 height));
+
+  NP_UTILS_BEGIN_DISPATCHER_CHAIN(MockEventSync, DefaultNPObject<NPObject>)
+    NP_UTILS_DISPATCHER(Resize, void(int32 width, int32 height))
+  NP_UTILS_END_DISPATCHER_CHAIN
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockEventSync);
+};
+
+TEST_F(GPUPluginObjectTest, SendsResizeEventOnSetWindow) {
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->New("application/foo",
+                                                0,
+                                                NULL,
+                                                NULL,
+                                                NULL));
+
+  NPObjectPointer<MockEventSync> event_sync =
+      np_utils::NPCreateObject<MockEventSync>(NULL);
+  plugin_object_->SetEventSync(event_sync);
+
+  EXPECT_CALL(*event_sync.Get(), Resize(100, 200));
+
+  NPWindow window = {0};
+  window.window = &window;
+  window.x = 10;
+  window.y = 10;
+  window.width = 100;
+  window.height = 200;
+
+  plugin_object_->SetWindow(&window);
+
+  EXPECT_EQ(NPERR_NO_ERROR, plugin_object_->Destroy(NULL));
+}
+
+}  // namespace gpu_plugin