Move WebGraphicsContext3D related tests from web/tests/ to platform/graphics/gpu/

Source/web/tests/Canvas2DLayerManagerTest.cpp

-/*
- * Copyright (C) 2012 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-
-#include "platform/graphics/Canvas2DLayerManager.h"
-
-#include "SkDevice.h"
-#include "SkSurface.h"
-#include "public/platform/Platform.h"
-#include "public/platform/WebGraphicsContext3DProvider.h"
-#include "public/platform/WebThread.h"
-#include "web/tests/MockWebGraphicsContext3D.h"
-
-#include <gmock/gmock.h>
-#include <gtest/gtest.h>
-
-using namespace WebCore;
-using testing::InSequence;
-using testing::Return;
-using testing::Test;
-
-namespace {
-
-class MockWebGraphicsContext3DProvider : public blink::WebGraphicsContext3DProvider {
-public:
-    MockWebGraphicsContext3DProvider(blink::WebGraphicsContext3D* context3d)
-        : m_context3d(context3d) { }
-
-    blink::WebGraphicsContext3D* context3d()
-    {
-        return m_context3d;
-    }
-
-    GrContext* grContext()
-    {
-        return 0;
-    }
-
-private:
-    blink::WebGraphicsContext3D* m_context3d;
-};
-
-class FakeCanvas2DLayerBridge : public Canvas2DLayerBridge {
-public:
-    FakeCanvas2DLayerBridge(blink::WebGraphicsContext3D* context, PassOwnPtr<SkDeferredCanvas> canvas)
-        : Canvas2DLayerBridge(adoptPtr(new MockWebGraphicsContext3DProvider(context)), canvas, 0, NonOpaque)
-        , m_freeableBytes(0)
-        , m_freeMemoryIfPossibleCount(0)
-        , m_flushCount(0)
-    {
-    }
-
-    virtual size_t storageAllocatedForRecording() OVERRIDE
-    {
-        // Because the fake layer has no canvas to query, just
-        // return status quo. Allocation changes that would normally be
-        // initiated by the canvas can be faked by invoking
-        // storageAllocatedForRecordingChanged directly from the test code.
-        return m_bytesAllocated;
-    }
-
-    void fakeFreeableBytes(size_t size)
-    {
-        m_freeableBytes = size;
-    }
-
-    virtual size_t freeMemoryIfPossible(size_t size) OVERRIDE
-    {
-        m_freeMemoryIfPossibleCount++;
-        size_t bytesFreed = size < m_freeableBytes ? size : m_freeableBytes;
-        m_freeableBytes -= bytesFreed;
-        if (bytesFreed)
-            storageAllocatedForRecordingChanged(m_bytesAllocated - bytesFreed);
-        return bytesFreed;
-    }
-
-    virtual void flush() OVERRIDE
-    {
-        flushedDrawCommands();
-        m_freeableBytes = bytesAllocated();
-        m_flushCount++;
-    }
-
-public:
-    size_t m_freeableBytes;
-    int m_freeMemoryIfPossibleCount;
-    int m_flushCount;
-};
-
-class FakeCanvas2DLayerBridgePtr {
-public:
-    FakeCanvas2DLayerBridgePtr(PassRefPtr<FakeCanvas2DLayerBridge> layerBridge)
-        : m_layerBridge(layerBridge) { }
-
-    ~FakeCanvas2DLayerBridgePtr()
-    {
-        m_layerBridge->beginDestruction();
-    }
-
-    FakeCanvas2DLayerBridge* operator->() { return m_layerBridge.get(); }
-    FakeCanvas2DLayerBridge* get() { return m_layerBridge.get(); }
-
-private:
-    RefPtr<FakeCanvas2DLayerBridge> m_layerBridge;
-};
-
-static PassOwnPtr<SkDeferredCanvas> createCanvas()
-{
-    RefPtr<SkSurface> surface = adoptRef(SkSurface::NewRasterPMColor(1, 1));
-    return adoptPtr(SkDeferredCanvas::Create(surface.get()));
-}
-
-} // unnamed namespace
-
-class Canvas2DLayerManagerTest : public Test {
-protected:
-    void storageAllocationTrackingTest()
-    {
-        Canvas2DLayerManager& manager = Canvas2DLayerManager::get();
-        manager.init(10, 10);
-        {
-            OwnPtr<blink::MockWebGraphicsContext3D> webContext = adoptPtr(new blink::MockWebGraphicsContext3D);
-            OwnPtr<SkDeferredCanvas> canvas1 = createCanvas();
-            FakeCanvas2DLayerBridgePtr layer1(adoptRef(new FakeCanvas2DLayerBridge(webContext.get(), canvas1.release())));
-            EXPECT_EQ((size_t)0, manager.m_bytesAllocated);
-            layer1->storageAllocatedForRecordingChanged(1);
-            EXPECT_EQ((size_t)1, manager.m_bytesAllocated);
-            // Test allocation increase
-            layer1->storageAllocatedForRecordingChanged(2);
-            EXPECT_EQ((size_t)2, manager.m_bytesAllocated);
-            // Test allocation decrease
-            layer1->storageAllocatedForRecordingChanged(1);
-            EXPECT_EQ((size_t)1, manager.m_bytesAllocated);
-            {
-                OwnPtr<SkDeferredCanvas> canvas2 = createCanvas();
-                FakeCanvas2DLayerBridgePtr layer2(adoptRef(new FakeCanvas2DLayerBridge(webContext.get(), canvas2.release())));
-                EXPECT_EQ((size_t)1, manager.m_bytesAllocated);
-                // verify multi-layer allocation tracking
-                layer2->storageAllocatedForRecordingChanged(2);
-                EXPECT_EQ((size_t)3, manager.m_bytesAllocated);
-            }
-            // Verify tracking after destruction
-            EXPECT_EQ((size_t)1, manager.m_bytesAllocated);
-        }
-    }
-
-    void evictionTest()
-    {
-        OwnPtr<blink::MockWebGraphicsContext3D> webContext = adoptPtr(new blink::MockWebGraphicsContext3D);
-        Canvas2DLayerManager& manager = Canvas2DLayerManager::get();
-        manager.init(10, 5);
-        OwnPtr<SkDeferredCanvas> canvas = createCanvas();
-        FakeCanvas2DLayerBridgePtr layer(adoptRef(new FakeCanvas2DLayerBridge(webContext.get(), canvas.release())));
-        layer->fakeFreeableBytes(10);
-        layer->storageAllocatedForRecordingChanged(8); // under the max
-        EXPECT_EQ(0, layer->m_freeMemoryIfPossibleCount);
-        layer->storageAllocatedForRecordingChanged(12); // over the max
-        EXPECT_EQ(1, layer->m_freeMemoryIfPossibleCount);
-        EXPECT_EQ((size_t)3, layer->m_freeableBytes);
-        EXPECT_EQ(0, layer->m_flushCount); // eviction succeeded without triggering a flush
-        EXPECT_EQ((size_t)5, layer->bytesAllocated());
-    }
-
-    void hiddenCanvasTest()
-    {
-        OwnPtr<blink::MockWebGraphicsContext3D> webContext = adoptPtr(new blink::MockWebGraphicsContext3D);
-        Canvas2DLayerManager& manager = Canvas2DLayerManager::get();
-        manager.init(20, 5);
-        OwnPtr<SkDeferredCanvas> canvas = createCanvas();
-        FakeCanvas2DLayerBridgePtr layer(adoptRef(new FakeCanvas2DLayerBridge(webContext.get(), canvas.release())));
-        layer->fakeFreeableBytes(5);
-        layer->storageAllocatedForRecordingChanged(10);
-        EXPECT_EQ(0, layer->m_freeMemoryIfPossibleCount);
-        EXPECT_EQ(0, layer->m_flushCount);
-        EXPECT_EQ((size_t)10, layer->bytesAllocated());
-        layer->setIsHidden(true);
-        EXPECT_EQ(1, layer->m_freeMemoryIfPossibleCount);
-        EXPECT_EQ((size_t)0, layer->m_freeableBytes);
-        EXPECT_EQ((size_t)0, layer->bytesAllocated());
-        EXPECT_EQ(1, layer->m_flushCount);
-    }
-
-    void addRemoveLayerTest()
-    {
-        OwnPtr<blink::MockWebGraphicsContext3D> webContext = adoptPtr(new blink::MockWebGraphicsContext3D);
-        Canvas2DLayerManager& manager = Canvas2DLayerManager::get();
-        manager.init(10, 5);
-        OwnPtr<SkDeferredCanvas> canvas = createCanvas();
-        FakeCanvas2DLayerBridgePtr layer(adoptRef(new FakeCanvas2DLayerBridge(webContext.get(), canvas.release())));
-        EXPECT_FALSE(manager.isInList(layer.get()));
-        layer->storageAllocatedForRecordingChanged(5);
-        EXPECT_TRUE(manager.isInList(layer.get()));
-        layer->storageAllocatedForRecordingChanged(0);
-        EXPECT_FALSE(manager.isInList(layer.get()));
-    }
-
-    void flushEvictionTest()
-    {
-        OwnPtr<blink::MockWebGraphicsContext3D> webContext = adoptPtr(new blink::MockWebGraphicsContext3D);
-        Canvas2DLayerManager& manager = Canvas2DLayerManager::get();
-        manager.init(10, 5);
-        OwnPtr<SkDeferredCanvas> canvas = createCanvas();
-        FakeCanvas2DLayerBridgePtr layer(adoptRef(new FakeCanvas2DLayerBridge(webContext.get(), canvas.release())));
-        layer->fakeFreeableBytes(1); // Not enough freeable bytes, will cause aggressive eviction by flushing
-        layer->storageAllocatedForRecordingChanged(8); // under the max
-        EXPECT_EQ(0, layer->m_freeMemoryIfPossibleCount);
-        layer->storageAllocatedForRecordingChanged(12); // over the max
-        EXPECT_EQ(2, layer->m_freeMemoryIfPossibleCount); // Two tries, one before flush, one after flush
-        EXPECT_EQ((size_t)5, layer->m_freeableBytes);
-        EXPECT_EQ(1, layer->m_flushCount); // flush was attempted
-        EXPECT_EQ((size_t)5, layer->bytesAllocated());
-        EXPECT_TRUE(manager.isInList(layer.get()));
-    }
-
-    void doDeferredFrameTestTask(FakeCanvas2DLayerBridge* layer, bool skipCommands)
-    {
-        EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
-        layer->willUse();
-        layer->storageAllocatedForRecordingChanged(1);
-        EXPECT_TRUE(Canvas2DLayerManager::get().m_taskObserverActive);
-        if (skipCommands) {
-            layer->willUse();
-            layer->skippedPendingDrawCommands();
-        }
-        blink::Platform::current()->currentThread()->exitRunLoop();
-    }
-
-    class DeferredFrameTestTask : public blink::WebThread::Task {
-    public:
-        DeferredFrameTestTask(Canvas2DLayerManagerTest* test, FakeCanvas2DLayerBridge* layer, bool skipCommands)
-        {
-            m_test = test;
-            m_layer = layer;
-            m_skipCommands = skipCommands;
-        }
-
-        virtual void run() OVERRIDE
-        {
-            m_test->doDeferredFrameTestTask(m_layer, m_skipCommands);
-        }
-    private:
-        Canvas2DLayerManagerTest* m_test;
-        FakeCanvas2DLayerBridge* m_layer;
-        bool m_skipCommands;
-    };
-
-    void deferredFrameTest()
-    {
-        OwnPtr<blink::MockWebGraphicsContext3D> webContext = adoptPtr(new blink::MockWebGraphicsContext3D);
-        Canvas2DLayerManager::get().init(10, 10);
-        OwnPtr<SkDeferredCanvas> canvas = createCanvas();
-        FakeCanvas2DLayerBridgePtr layer(adoptRef(new FakeCanvas2DLayerBridge(webContext.get(), canvas.release())));
-        blink::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, layer.get(), true));
-        blink::Platform::current()->currentThread()->enterRunLoop();
-        // Verify that didProcessTask was called upon completion
-        EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
-        // Verify that no flush was performed because frame is fresh
-        EXPECT_EQ(0, layer->m_flushCount);
-
-        // Verify that no flushes are triggered as long as frame are fresh
-        blink::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, layer.get(), true));
-        blink::Platform::current()->currentThread()->enterRunLoop();
-        EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
-        EXPECT_EQ(0, layer->m_flushCount);
-
-        blink::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, layer.get(), true));
-        blink::Platform::current()->currentThread()->enterRunLoop();
-        EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
-        EXPECT_EQ(0, layer->m_flushCount);
-
-        // Verify that a flush is triggered when queue is accumulating a multi-frame backlog.
-        blink::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, layer.get(), false));
-        blink::Platform::current()->currentThread()->enterRunLoop();
-        EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
-        EXPECT_EQ(1, layer->m_flushCount);
-
-        blink::Platform::current()->currentThread()->postTask(new DeferredFrameTestTask(this, layer.get(), false));
-        blink::Platform::current()->currentThread()->enterRunLoop();
-        EXPECT_FALSE(Canvas2DLayerManager::get().m_taskObserverActive);
-        EXPECT_EQ(2, layer->m_flushCount);
-    }
-};
-
-namespace {
-
-TEST_F(Canvas2DLayerManagerTest, testStorageAllocationTracking)
-{
-    storageAllocationTrackingTest();
-}
-
-TEST_F(Canvas2DLayerManagerTest, testEviction)
-{
-    evictionTest();
-}
-
-TEST_F(Canvas2DLayerManagerTest, testFlushEviction)
-{
-    flushEvictionTest();
-}
-
-TEST_F(Canvas2DLayerManagerTest, testDeferredFrame)
-{
-    deferredFrameTest();
-}
-
-TEST_F(Canvas2DLayerManagerTest, testHiddenCanvas)
-{
-    hiddenCanvasTest();
-}
-
-TEST_F(Canvas2DLayerManagerTest, testAddRemoveLayer)
-{
-    addRemoveLayerTest();
-}
-
-} // unnamed namespace
-