cc: Redraw incomplete frames when new texture uploads finish

cc/layer_tree_host_impl_unittest.cc

 // Copyright 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.
 
 #include "cc/layer_tree_host_impl.h"
 
 #include <cmath>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 49 matching lines @@
                               public LayerTreeHostImplClient {
 public:
     LayerTreeHostImplTest()
         : m_proxy(scoped_ptr<Thread>(NULL))
         , m_alwaysImplThread(&m_proxy)
         , m_alwaysMainThreadBlocked(&m_proxy)
         , m_onCanDrawStateChangedCalled(false)
         , m_hasPendingTree(false)
         , m_didRequestCommit(false)
         , m_didRequestRedraw(false)
+        , m_didSwapUseIncompleteTexture(false)
+        , m_didUploadVisibleHighResolutionTile(false)
         , m_reduceMemoryResult(true)
     {
         media::InitializeMediaLibraryForTesting();
     }
 
     virtual void SetUp()
     {
         LayerTreeSettings settings;
         settings.minimumOcclusionTrackingSize = gfx::Size();
         settings.pageScalePinchZoomEnabled = GetParam();
 
         m_hostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
         m_hostImpl->initializeRenderer(createOutputSurface());
         m_hostImpl->setViewportSize(gfx::Size(10, 10), gfx::Size(10, 10));
     }
 
     virtual void TearDown()
     {
     }
 
     virtual void didLoseOutputSurfaceOnImplThread() OVERRIDE { }
     virtual void onSwapBuffersCompleteOnImplThread() OVERRIDE { }
     virtual void onVSyncParametersChanged(base::TimeTicks, base::TimeDelta) OVERRIDE { }
     virtual void onCanDrawStateChanged(bool canDraw) OVERRIDE { m_onCanDrawStateChangedCalled = true; }
     virtual void onHasPendingTreeStateChanged(bool hasPendingTree) OVERRIDE { m_hasPendingTree = hasPendingTree; }
     virtual void setNeedsRedrawOnImplThread() OVERRIDE { m_didRequestRedraw = true; }
+    virtual void didSwapUseIncompleteTextureOnImplThread() OVERRIDE { m_didSwapUseIncompleteTexture = true; }
+    virtual void didUploadVisibleHighResolutionTileOnImplTread() OVERRIDE { m_didUploadVisibleHighResolutionTile = true; }
     virtual void setNeedsCommitOnImplThread() OVERRIDE { m_didRequestCommit = true; }
     virtual void setNeedsManageTilesOnImplThread() OVERRIDE { }
     virtual void postAnimationEventsToMainThreadOnImplThread(scoped_ptr<AnimationEventsVector>, base::Time wallClockTime) OVERRIDE { }
     virtual bool reduceContentsTextureMemoryOnImplThread(size_t limitBytes, int priorityCutoff) OVERRIDE { return m_reduceMemoryResult; }
     virtual void sendManagedMemoryStats() OVERRIDE { }
+    virtual bool isInsideDraw() OVERRIDE { return false; }
 
     void setReduceMemoryResult(bool reduceMemoryResult) { m_reduceMemoryResult = reduceMemoryResult; }
 
     void createLayerTreeHost(bool partialSwap, scoped_ptr<OutputSurface> outputSurface)
     {
         LayerTreeSettings settings;
         settings.minimumOcclusionTrackingSize = gfx::Size();
         settings.partialSwapEnabled = partialSwap;
 
         m_hostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
@@ skipping 105 matching lines @@
 
     FakeProxy m_proxy;
     DebugScopedSetImplThread m_alwaysImplThread;
     DebugScopedSetMainThreadBlocked m_alwaysMainThreadBlocked;
 
     scoped_ptr<LayerTreeHostImpl> m_hostImpl;
     bool m_onCanDrawStateChangedCalled;
     bool m_hasPendingTree;
     bool m_didRequestCommit;
     bool m_didRequestRedraw;
+    bool m_didSwapUseIncompleteTexture;
+    bool m_didUploadVisibleHighResolutionTile;
     bool m_reduceMemoryResult;
 };
 
 class FakeWebGraphicsContext3DMakeCurrentFails : public FakeWebGraphicsContext3D {
 public:
     virtual bool makeContextCurrent() { return false; }
 };
 
 TEST_P(LayerTreeHostImplTest, notifyIfCanDrawChanged)
 {
@@ skipping 4448 matching lines @@
         m_hostImpl->didDrawAllLayers(frame);
     }
 }
 
 INSTANTIATE_TEST_CASE_P(LayerTreeHostImplTests,
                         LayerTreeHostImplTest,
                         ::testing::Values(false, true));
 
 }  // namespace
 }  // namespace cc