// 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"
#include "base/hash_tables.h"
#include "cc/delegated_renderer_layer_impl.h"
#include "cc/gl_renderer.h"
#include "cc/heads_up_display_layer_impl.h"
#include "cc/io_surface_layer_impl.h"
#include "cc/layer_impl.h"
#include "cc/layer_tiling_data.h"
#include "cc/math_util.h"
#include "cc/quad_sink.h"
#include "cc/render_pass_draw_quad.h"
#include "cc/scrollbar_geometry_fixed_thumb.h"
#include "cc/scrollbar_layer_impl.h"
#include "cc/single_thread_proxy.h"
#include "cc/solid_color_draw_quad.h"
#include "cc/test/animation_test_common.h"
#include "cc/test/fake_proxy.h"
#include "cc/test/fake_web_compositor_output_surface.h"
#include "cc/test/fake_web_graphics_context_3d.h"
#include "cc/test/fake_web_scrollbar_theme_geometry.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/test/layer_test_common.h"
#include "cc/test/render_pass_test_common.h"
#include "cc/texture_draw_quad.h"
#include "cc/texture_layer_impl.h"
#include "cc/tile_draw_quad.h"
#include "cc/tiled_layer_impl.h"
#include "cc/video_layer_impl.h"
#include "media/base/media.h"
#include "media/base/video_frame.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/size_conversions.h"
#include "ui/gfx/vector2d_conversions.h"
#include <public/WebVideoFrame.h>
#include <public/WebVideoFrameProvider.h>
using namespace LayerTestCommon;
using namespace WebKit;
using namespace WebKitTests;
using media::VideoFrame;
using ::testing::Mock;
using ::testing::Return;
using ::testing::AnyNumber;
using ::testing::AtLeast;
using ::testing::_;
namespace cc {
namespace {
// This test is parametrized to run all tests with the
// m_settings.pageScalePinchZoomEnabled field enabled and disabled.
class LayerTreeHostImplTest : public testing::TestWithParam<bool>,
public LayerTreeHostImplClient {
public:
LayerTreeHostImplTest()
: m_proxy(scoped_ptr<Thread>(NULL))
, m_alwaysImplThread(&m_proxy)
, m_alwaysMainThreadBlocked(&m_proxy)
, m_onCanDrawStateChangedCalled(false)
, m_didRequestCommit(false)
, m_didRequestRedraw(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(createContext());
m_hostImpl->setViewportSize(gfx::Size(10, 10), gfx::Size(10, 10));
}
virtual void TearDown()
{
}
virtual void didLoseContextOnImplThread() OVERRIDE { }
virtual void onSwapBuffersCompleteOnImplThread() OVERRIDE { }
virtual void onVSyncParametersChanged(base::TimeTicks, base::TimeDelta) OVERRIDE { }
virtual void onCanDrawStateChanged(bool canDraw) OVERRIDE { m_onCanDrawStateChangedCalled = true; }
virtual void setNeedsRedrawOnImplThread() OVERRIDE { m_didRequestRedraw = 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 { }
void setReduceMemoryResult(bool reduceMemoryResult) { m_reduceMemoryResult = reduceMemoryResult; }
scoped_ptr<LayerTreeHostImpl> createLayerTreeHost(bool partialSwap, scoped_ptr<GraphicsContext> graphicsContext, scoped_ptr<LayerImpl> root)
{
LayerTreeSettings settings;
settings.minimumOcclusionTrackingSize = gfx::Size();
settings.partialSwapEnabled = partialSwap;
scoped_ptr<LayerTreeHostImpl> myHostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
myHostImpl->initializeRenderer(graphicsContext.Pass());
myHostImpl->setViewportSize(gfx::Size(10, 10), gfx::Size(10, 10));
root->setAnchorPoint(gfx::PointF(0, 0));
root->setPosition(gfx::PointF(0, 0));
root->setBounds(gfx::Size(10, 10));
root->setContentBounds(gfx::Size(10, 10));
root->setDrawsContent(true);
root->drawProperties().visible_content_rect = gfx::Rect(0, 0, 10, 10);
myHostImpl->setRootLayer(root.Pass());
return myHostImpl.Pass();
}
static void expectClearedScrollDeltasRecursive(LayerImpl* layer)
{
ASSERT_EQ(layer->scrollDelta(), gfx::Vector2d());
for (size_t i = 0; i < layer->children().size(); ++i)
expectClearedScrollDeltasRecursive(layer->children()[i]);
}
static void expectContains(const ScrollAndScaleSet& scrollInfo, int id, const gfx::Vector2d& scrollDelta)
{
int timesEncountered = 0;
for (size_t i = 0; i < scrollInfo.scrolls.size(); ++i) {
if (scrollInfo.scrolls[i].layerId != id)
continue;
EXPECT_VECTOR_EQ(scrollDelta, scrollInfo.scrolls[i].scrollDelta);
timesEncountered++;
}
ASSERT_EQ(timesEncountered, 1);
}
static void expectNone(const ScrollAndScaleSet& scrollInfo, int id)
{
int timesEncountered = 0;
for (size_t i = 0; i < scrollInfo.scrolls.size(); ++i) {
if (scrollInfo.scrolls[i].layerId != id)
continue;
timesEncountered++;
}
ASSERT_EQ(0, timesEncountered);
}
void setupScrollAndContentsLayers(const gfx::Size& contentSize)
{
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
root->setScrollable(true);
root->setScrollOffset(gfx::Vector2d(0, 0));
root->setMaxScrollOffset(gfx::Vector2d(contentSize.width(), contentSize.height()));
root->setBounds(contentSize);
root->setContentBounds(contentSize);
root->setPosition(gfx::PointF(0, 0));
root->setAnchorPoint(gfx::PointF(0, 0));
scoped_ptr<LayerImpl> contents = LayerImpl::create(2);
contents->setDrawsContent(true);
contents->setBounds(contentSize);
contents->setContentBounds(contentSize);
contents->setPosition(gfx::PointF(0, 0));
contents->setAnchorPoint(gfx::PointF(0, 0));
root->addChild(contents.Pass());
m_hostImpl->setRootLayer(root.Pass());
}
static scoped_ptr<LayerImpl> createScrollableLayer(int id, const gfx::Size& size)
{
scoped_ptr<LayerImpl> layer = LayerImpl::create(id);
layer->setScrollable(true);
layer->setDrawsContent(true);
layer->setBounds(size);
layer->setContentBounds(size);
layer->setMaxScrollOffset(gfx::Vector2d(size.width() * 2, size.height() * 2));
return layer.Pass();
}
void initializeRendererAndDrawFrame()
{
m_hostImpl->initializeRenderer(createContext());
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
}
void pinchZoomPanViewportForcesCommitRedraw(const float deviceScaleFactor);
void pinchZoomPanViewportTest(const float deviceScaleFactor);
void pinchZoomPanViewportAndScrollTest(const float deviceScaleFactor);
void pinchZoomPanViewportAndScrollBoundaryTest(const float deviceScaleFactor);
protected:
scoped_ptr<GraphicsContext> createContext()
{
return FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new FakeWebGraphicsContext3D)).PassAs<GraphicsContext>();
}
FakeProxy m_proxy;
DebugScopedSetImplThread m_alwaysImplThread;
DebugScopedSetMainThreadBlocked m_alwaysMainThreadBlocked;
scoped_ptr<LayerTreeHostImpl> m_hostImpl;
bool m_onCanDrawStateChangedCalled;
bool m_didRequestCommit;
bool m_didRequestRedraw;
bool m_reduceMemoryResult;
};
class FakeWebGraphicsContext3DMakeCurrentFails : public FakeWebGraphicsContext3D {
public:
virtual bool makeContextCurrent() { return false; }
};
TEST_P(LayerTreeHostImplTest, notifyIfCanDrawChanged)
{
// Note: It is not possible to disable the renderer once it has been set,
// so we do not need to test that disabling the renderer notifies us
// that canDraw changed.
EXPECT_FALSE(m_hostImpl->canDraw());
m_onCanDrawStateChangedCalled = false;
setupScrollAndContentsLayers(gfx::Size(100, 100));
EXPECT_TRUE(m_hostImpl->canDraw());
EXPECT_TRUE(m_onCanDrawStateChangedCalled);
m_onCanDrawStateChangedCalled = false;
// Toggle the root layer to make sure it toggles canDraw
m_hostImpl->setRootLayer(scoped_ptr<LayerImpl>());
EXPECT_FALSE(m_hostImpl->canDraw());
EXPECT_TRUE(m_onCanDrawStateChangedCalled);
m_onCanDrawStateChangedCalled = false;
setupScrollAndContentsLayers(gfx::Size(100, 100));
EXPECT_TRUE(m_hostImpl->canDraw());
EXPECT_TRUE(m_onCanDrawStateChangedCalled);
m_onCanDrawStateChangedCalled = false;
// Toggle the device viewport size to make sure it toggles canDraw.
m_hostImpl->setViewportSize(gfx::Size(100, 100), gfx::Size(0, 0));
EXPECT_FALSE(m_hostImpl->canDraw());
EXPECT_TRUE(m_onCanDrawStateChangedCalled);
m_onCanDrawStateChangedCalled = false;
m_hostImpl->setViewportSize(gfx::Size(100, 100), gfx::Size(100, 100));
EXPECT_TRUE(m_hostImpl->canDraw());
EXPECT_TRUE(m_onCanDrawStateChangedCalled);
m_onCanDrawStateChangedCalled = false;
// Toggle contents textures purged without causing any evictions,
// and make sure that it does not change canDraw.
setReduceMemoryResult(false);
m_hostImpl->setManagedMemoryPolicy(ManagedMemoryPolicy(
m_hostImpl->memoryAllocationLimitBytes() - 1));
EXPECT_TRUE(m_hostImpl->canDraw());
EXPECT_FALSE(m_onCanDrawStateChangedCalled);
m_onCanDrawStateChangedCalled = false;
// Toggle contents textures purged to make sure it toggles canDraw.
setReduceMemoryResult(true);
m_hostImpl->setManagedMemoryPolicy(ManagedMemoryPolicy(
m_hostImpl->memoryAllocationLimitBytes() - 1));
EXPECT_FALSE(m_hostImpl->canDraw());
EXPECT_TRUE(m_onCanDrawStateChangedCalled);
m_onCanDrawStateChangedCalled = false;
m_hostImpl->resetContentsTexturesPurged();
EXPECT_TRUE(m_hostImpl->canDraw());
EXPECT_TRUE(m_onCanDrawStateChangedCalled);
m_onCanDrawStateChangedCalled = false;
}
TEST_P(LayerTreeHostImplTest, scrollDeltaNoLayers)
{
ASSERT_FALSE(m_hostImpl->rootLayer());
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
ASSERT_EQ(scrollInfo->scrolls.size(), 0u);
}
TEST_P(LayerTreeHostImplTest, scrollDeltaTreeButNoChanges)
{
{
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
root->addChild(LayerImpl::create(2));
root->addChild(LayerImpl::create(3));
root->children()[1]->addChild(LayerImpl::create(4));
root->children()[1]->addChild(LayerImpl::create(5));
root->children()[1]->children()[0]->addChild(LayerImpl::create(6));
m_hostImpl->setRootLayer(root.Pass());
}
LayerImpl* root = m_hostImpl->rootLayer();
expectClearedScrollDeltasRecursive(root);
scoped_ptr<ScrollAndScaleSet> scrollInfo;
scrollInfo = m_hostImpl->processScrollDeltas();
ASSERT_EQ(scrollInfo->scrolls.size(), 0u);
expectClearedScrollDeltasRecursive(root);
scrollInfo = m_hostImpl->processScrollDeltas();
ASSERT_EQ(scrollInfo->scrolls.size(), 0u);
expectClearedScrollDeltasRecursive(root);
}
TEST_P(LayerTreeHostImplTest, scrollDeltaRepeatedScrolls)
{
gfx::Vector2d scrollOffset(20, 30);
gfx::Vector2d scrollDelta(11, -15);
{
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
root->setScrollOffset(scrollOffset);
root->setScrollable(true);
root->setMaxScrollOffset(gfx::Vector2d(100, 100));
root->scrollBy(scrollDelta);
m_hostImpl->setRootLayer(root.Pass());
}
LayerImpl* root = m_hostImpl->rootLayer();
scoped_ptr<ScrollAndScaleSet> scrollInfo;
scrollInfo = m_hostImpl->processScrollDeltas();
ASSERT_EQ(scrollInfo->scrolls.size(), 1u);
EXPECT_VECTOR_EQ(root->sentScrollDelta(), scrollDelta);
expectContains(*scrollInfo, root->id(), scrollDelta);
gfx::Vector2d scrollDelta2(-5, 27);
root->scrollBy(scrollDelta2);
scrollInfo = m_hostImpl->processScrollDeltas();
ASSERT_EQ(scrollInfo->scrolls.size(), 1u);
EXPECT_VECTOR_EQ(root->sentScrollDelta(), scrollDelta + scrollDelta2);
expectContains(*scrollInfo, root->id(), scrollDelta + scrollDelta2);
root->scrollBy(gfx::Vector2d());
scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(root->sentScrollDelta(), scrollDelta + scrollDelta2);
}
TEST_P(LayerTreeHostImplTest, scrollRootCallsCommitAndRedraw)
{
setupScrollAndContentsLayers(gfx::Size(100, 100));
m_hostImpl->setViewportSize(gfx::Size(50, 50), gfx::Size(50, 50));
initializeRendererAndDrawFrame();
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(0, 10));
m_hostImpl->scrollEnd();
EXPECT_TRUE(m_didRequestRedraw);
EXPECT_TRUE(m_didRequestCommit);
}
TEST_P(LayerTreeHostImplTest, scrollWithoutRootLayer)
{
// We should not crash when trying to scroll an empty layer tree.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Wheel), InputHandlerClient::ScrollIgnored);
}
TEST_P(LayerTreeHostImplTest, scrollWithoutRenderer)
{
LayerTreeSettings settings;
m_hostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
// Initialization will fail here.
m_hostImpl->initializeRenderer(FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new FakeWebGraphicsContext3DMakeCurrentFails)).PassAs<GraphicsContext>());
m_hostImpl->setViewportSize(gfx::Size(10, 10), gfx::Size(10, 10));
setupScrollAndContentsLayers(gfx::Size(100, 100));
// We should not crash when trying to scroll after the renderer initialization fails.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Wheel), InputHandlerClient::ScrollIgnored);
}
TEST_P(LayerTreeHostImplTest, replaceTreeWhileScrolling)
{
const int scrollLayerId = 1;
setupScrollAndContentsLayers(gfx::Size(100, 100));
m_hostImpl->setViewportSize(gfx::Size(50, 50), gfx::Size(50, 50));
initializeRendererAndDrawFrame();
// We should not crash if the tree is replaced while we are scrolling.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->detachLayerTree();
setupScrollAndContentsLayers(gfx::Size(100, 100));
// We should still be scrolling, because the scrolled layer also exists in the new tree.
gfx::Vector2d scrollDelta(0, 10);
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo, scrollLayerId, scrollDelta);
}
TEST_P(LayerTreeHostImplTest, clearRootRenderSurfaceAndScroll)
{
setupScrollAndContentsLayers(gfx::Size(100, 100));
m_hostImpl->setViewportSize(gfx::Size(50, 50), gfx::Size(50, 50));
initializeRendererAndDrawFrame();
// We should be able to scroll even if the root layer loses its render surface after the most
// recent render.
m_hostImpl->rootLayer()->clearRenderSurface();
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
}
TEST_P(LayerTreeHostImplTest, wheelEventHandlers)
{
setupScrollAndContentsLayers(gfx::Size(100, 100));
m_hostImpl->setViewportSize(gfx::Size(50, 50), gfx::Size(50, 50));
initializeRendererAndDrawFrame();
LayerImpl* root = m_hostImpl->rootLayer();
root->setHaveWheelEventHandlers(true);
// With registered event handlers, wheel scrolls have to go to the main thread.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Wheel), InputHandlerClient::ScrollOnMainThread);
// But gesture scrolls can still be handled.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture), InputHandlerClient::ScrollStarted);
}
TEST_P(LayerTreeHostImplTest, shouldScrollOnMainThread)
{
setupScrollAndContentsLayers(gfx::Size(100, 100));
m_hostImpl->setViewportSize(gfx::Size(50, 50), gfx::Size(50, 50));
initializeRendererAndDrawFrame();
LayerImpl* root = m_hostImpl->rootLayer();
root->setShouldScrollOnMainThread(true);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Wheel), InputHandlerClient::ScrollOnMainThread);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture), InputHandlerClient::ScrollOnMainThread);
}
TEST_P(LayerTreeHostImplTest, nonFastScrollableRegionBasic)
{
setupScrollAndContentsLayers(gfx::Size(200, 200));
m_hostImpl->setViewportSize(gfx::Size(100, 100), gfx::Size(100, 100));
LayerImpl* root = m_hostImpl->rootLayer();
root->setContentsScale(2, 2);
root->setNonFastScrollableRegion(gfx::Rect(0, 0, 50, 50));
initializeRendererAndDrawFrame();
// All scroll types inside the non-fast scrollable region should fail.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(25, 25), InputHandlerClient::Wheel), InputHandlerClient::ScrollOnMainThread);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(25, 25), InputHandlerClient::Gesture), InputHandlerClient::ScrollOnMainThread);
// All scroll types outside this region should succeed.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(75, 75), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(0, 10));
m_hostImpl->scrollEnd();
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(75, 75), InputHandlerClient::Gesture), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(0, 10));
m_hostImpl->scrollEnd();
}
TEST_P(LayerTreeHostImplTest, nonFastScrollableRegionWithOffset)
{
setupScrollAndContentsLayers(gfx::Size(200, 200));
m_hostImpl->setViewportSize(gfx::Size(100, 100), gfx::Size(100, 100));
LayerImpl* root = m_hostImpl->rootLayer();
root->setContentsScale(2, 2);
root->setNonFastScrollableRegion(gfx::Rect(0, 0, 50, 50));
root->setPosition(gfx::PointF(-25, 0));
initializeRendererAndDrawFrame();
// This point would fall into the non-fast scrollable region except that we've moved the layer down by 25 pixels.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(40, 10), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(0, 1));
m_hostImpl->scrollEnd();
// This point is still inside the non-fast region.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(10, 10), InputHandlerClient::Wheel), InputHandlerClient::ScrollOnMainThread);
}
TEST_P(LayerTreeHostImplTest, scrollByReturnsCorrectValue)
{
setupScrollAndContentsLayers(gfx::Size(200, 200));
m_hostImpl->setViewportSize(gfx::Size(100, 100), gfx::Size(100, 100));
initializeRendererAndDrawFrame();
EXPECT_EQ(InputHandlerClient::ScrollStarted,
m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture));
// Trying to scroll to the left/top will not succeed.
EXPECT_FALSE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(-10, 0)));
EXPECT_FALSE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(0, -10)));
EXPECT_FALSE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(-10, -10)));
// Scrolling to the right/bottom will succeed.
EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(10, 0)));
EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(0, 10)));
EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(10, 10)));
// Scrolling to left/top will now succeed.
EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(-10, 0)));
EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(0, -10)));
EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(-10, -10)));
// Scrolling diagonally against an edge will succeed.
EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(10, -10)));
EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(-10, 0)));
EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(-10, 10)));
// Trying to scroll more than the available space will also succeed.
EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(5000, 5000)));
}
TEST_P(LayerTreeHostImplTest, maxScrollOffsetChangedByDeviceScaleFactor)
{
setupScrollAndContentsLayers(gfx::Size(100, 100));
float deviceScaleFactor = 2;
gfx::Size layoutViewport(25, 25);
gfx::Size deviceViewport(gfx::ToFlooredSize(gfx::ScaleSize(layoutViewport, deviceScaleFactor)));
m_hostImpl->setViewportSize(layoutViewport, deviceViewport);
m_hostImpl->setDeviceScaleFactor(deviceScaleFactor);
EXPECT_EQ(m_hostImpl->rootLayer()->maxScrollOffset(), gfx::Vector2d(25, 25));
deviceScaleFactor = 1;
m_hostImpl->setViewportSize(layoutViewport, layoutViewport);
m_hostImpl->setDeviceScaleFactor(deviceScaleFactor);
EXPECT_EQ(m_hostImpl->rootLayer()->maxScrollOffset(), gfx::Vector2d(75, 75));
}
TEST_P(LayerTreeHostImplTest, implPinchZoom)
{
// This test is specific to the page-scale based pinch zoom.
if (!m_hostImpl->settings().pageScalePinchZoomEnabled)
return;
setupScrollAndContentsLayers(gfx::Size(100, 100));
m_hostImpl->setViewportSize(gfx::Size(50, 50), gfx::Size(50, 50));
initializeRendererAndDrawFrame();
LayerImpl* scrollLayer = m_hostImpl->rootScrollLayer();
DCHECK(scrollLayer);
const float minPageScale = 1, maxPageScale = 4;
const gfx::Transform identityScaleTransform;
// The impl-based pinch zoom should not adjust the max scroll position.
{
m_hostImpl->setPageScaleFactorAndLimits(1, minPageScale, maxPageScale);
scrollLayer->setImplTransform(identityScaleTransform);
scrollLayer->setScrollDelta(gfx::Vector2d());
float pageScaleDelta = 2;
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(pageScaleDelta, gfx::Point(50, 50));
m_hostImpl->pinchGestureEnd();
EXPECT_TRUE(m_didRequestRedraw);
EXPECT_TRUE(m_didRequestCommit);
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(scrollInfo->pageScaleDelta, pageScaleDelta);
EXPECT_EQ(m_hostImpl->rootLayer()->maxScrollOffset(), gfx::Vector2d(50, 50));
}
// Scrolling after a pinch gesture should always be in local space. The scroll deltas do not
// have the page scale factor applied.
{
m_hostImpl->setPageScaleFactorAndLimits(1, minPageScale, maxPageScale);
scrollLayer->setImplTransform(identityScaleTransform);
scrollLayer->setScrollDelta(gfx::Vector2d());
float pageScaleDelta = 2;
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(pageScaleDelta, gfx::Point(0, 0));
m_hostImpl->pinchGestureEnd();
gfx::Vector2d scrollDelta(0, 10);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(5, 5), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), scrollDelta);
}
}
TEST_P(LayerTreeHostImplTest, pinchGesture)
{
setupScrollAndContentsLayers(gfx::Size(100, 100));
m_hostImpl->setViewportSize(gfx::Size(50, 50), gfx::Size(50, 50));
initializeRendererAndDrawFrame();
LayerImpl* scrollLayer = m_hostImpl->rootScrollLayer();
DCHECK(scrollLayer);
const float minPageScale = m_hostImpl->settings().pageScalePinchZoomEnabled ? 1 : 0.5;
const float maxPageScale = 4;
const gfx::Transform identityScaleTransform;
// Basic pinch zoom in gesture
{
m_hostImpl->setPageScaleFactorAndLimits(1, minPageScale, maxPageScale);
scrollLayer->setImplTransform(identityScaleTransform);
scrollLayer->setScrollDelta(gfx::Vector2d());
float pageScaleDelta = 2;
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(pageScaleDelta, gfx::Point(50, 50));
m_hostImpl->pinchGestureEnd();
EXPECT_TRUE(m_didRequestRedraw);
EXPECT_TRUE(m_didRequestCommit);
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(scrollInfo->pageScaleDelta, pageScaleDelta);
}
// Zoom-in clamping
{
m_hostImpl->setPageScaleFactorAndLimits(1, minPageScale, maxPageScale);
scrollLayer->setImplTransform(identityScaleTransform);
scrollLayer->setScrollDelta(gfx::Vector2d());
float pageScaleDelta = 10;
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(pageScaleDelta, gfx::Point(50, 50));
m_hostImpl->pinchGestureEnd();
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(scrollInfo->pageScaleDelta, maxPageScale);
}
// Zoom-out clamping
{
m_hostImpl->setPageScaleFactorAndLimits(1, minPageScale, maxPageScale);
scrollLayer->setImplTransform(identityScaleTransform);
scrollLayer->setScrollDelta(gfx::Vector2d());
scrollLayer->setScrollOffset(gfx::Vector2d(50, 50));
float pageScaleDelta = 0.1f;
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(pageScaleDelta, gfx::Point(0, 0));
m_hostImpl->pinchGestureEnd();
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(scrollInfo->pageScaleDelta, minPageScale);
if (!m_hostImpl->settings().pageScalePinchZoomEnabled) {
// Pushed to (0,0) via clamping against contents layer size.
expectContains(*scrollInfo, scrollLayer->id(), gfx::Vector2d(-50, -50));
} else {
EXPECT_TRUE(scrollInfo->scrolls.empty());
}
}
// Two-finger panning should not happen based on pinch events only
{
m_hostImpl->setPageScaleFactorAndLimits(1, minPageScale, maxPageScale);
scrollLayer->setImplTransform(identityScaleTransform);
scrollLayer->setScrollDelta(gfx::Vector2d());
scrollLayer->setScrollOffset(gfx::Vector2d(20, 20));
float pageScaleDelta = 1;
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(pageScaleDelta, gfx::Point(10, 10));
m_hostImpl->pinchGestureUpdate(pageScaleDelta, gfx::Point(20, 20));
m_hostImpl->pinchGestureEnd();
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(scrollInfo->pageScaleDelta, pageScaleDelta);
EXPECT_TRUE(scrollInfo->scrolls.empty());
}
// Two-finger panning should work with interleaved scroll events
{
m_hostImpl->setPageScaleFactorAndLimits(1, minPageScale, maxPageScale);
scrollLayer->setImplTransform(identityScaleTransform);
scrollLayer->setScrollDelta(gfx::Vector2d());
scrollLayer->setScrollOffset(gfx::Vector2d(20, 20));
float pageScaleDelta = 1;
m_hostImpl->scrollBegin(gfx::Point(10, 10), InputHandlerClient::Wheel);
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(pageScaleDelta, gfx::Point(10, 10));
m_hostImpl->scrollBy(gfx::Point(10, 10), gfx::Vector2d(-10, -10));
m_hostImpl->pinchGestureUpdate(pageScaleDelta, gfx::Point(20, 20));
m_hostImpl->pinchGestureEnd();
m_hostImpl->scrollEnd();
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(scrollInfo->pageScaleDelta, pageScaleDelta);
expectContains(*scrollInfo, scrollLayer->id(), gfx::Vector2d(-10, -10));
}
}
TEST_P(LayerTreeHostImplTest, pageScaleAnimation)
{
setupScrollAndContentsLayers(gfx::Size(100, 100));
m_hostImpl->setViewportSize(gfx::Size(50, 50), gfx::Size(50, 50));
initializeRendererAndDrawFrame();
LayerImpl* scrollLayer = m_hostImpl->rootScrollLayer();
DCHECK(scrollLayer);
const float minPageScale = 0.5;
const float maxPageScale = 4;
const base::TimeTicks startTime = base::TimeTicks() + base::TimeDelta::FromSeconds(1);
const base::TimeDelta duration = base::TimeDelta::FromMilliseconds(100);
const base::TimeTicks halfwayThroughAnimation = startTime + duration / 2;
const base::TimeTicks endTime = startTime + duration;
const gfx::Transform identityScaleTransform;
// Non-anchor zoom-in
{
m_hostImpl->setPageScaleFactorAndLimits(1, minPageScale, maxPageScale);
scrollLayer->setImplTransform(identityScaleTransform);
scrollLayer->setScrollOffset(gfx::Vector2d(50, 50));
m_hostImpl->startPageScaleAnimation(gfx::Vector2d(0, 0), false, 2, startTime, duration);
m_hostImpl->animate(halfwayThroughAnimation, base::Time());
EXPECT_TRUE(m_didRequestRedraw);
m_hostImpl->animate(endTime, base::Time());
EXPECT_TRUE(m_didRequestCommit);
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(scrollInfo->pageScaleDelta, 2);
expectContains(*scrollInfo, scrollLayer->id(), gfx::Vector2d(-50, -50));
}
// Anchor zoom-out
{
m_hostImpl->setPageScaleFactorAndLimits(1, minPageScale, maxPageScale);
scrollLayer->setImplTransform(identityScaleTransform);
scrollLayer->setScrollOffset(gfx::Vector2d(50, 50));
m_hostImpl->startPageScaleAnimation(gfx::Vector2d(25, 25), true, minPageScale, startTime, duration);
m_hostImpl->animate(endTime, base::Time());
EXPECT_TRUE(m_didRequestRedraw);
EXPECT_TRUE(m_didRequestCommit);
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(scrollInfo->pageScaleDelta, minPageScale);
// Pushed to (0,0) via clamping against contents layer size.
expectContains(*scrollInfo, scrollLayer->id(), gfx::Vector2d(-50, -50));
}
}
TEST_P(LayerTreeHostImplTest, inhibitScrollAndPageScaleUpdatesWhilePinchZooming)
{
setupScrollAndContentsLayers(gfx::Size(100, 100));
m_hostImpl->setViewportSize(gfx::Size(50, 50), gfx::Size(50, 50));
initializeRendererAndDrawFrame();
LayerImpl* scrollLayer = m_hostImpl->rootScrollLayer();
DCHECK(scrollLayer);
const float minPageScale = m_hostImpl->settings().pageScalePinchZoomEnabled ? 1 : 0.5;
const float maxPageScale = 4;
// Pinch zoom in.
{
// Start a pinch in gesture at the bottom right corner of the viewport.
const float zoomInDelta = 2;
m_hostImpl->setPageScaleFactorAndLimits(1, minPageScale, maxPageScale);
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(zoomInDelta, gfx::Point(50, 50));
// Because we are pinch zooming in, we shouldn't get any scroll or page
// scale deltas.
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(scrollInfo->pageScaleDelta, 1);
EXPECT_EQ(scrollInfo->scrolls.size(), 0u);
// Once the gesture ends, we get the final scroll and page scale values.
m_hostImpl->pinchGestureEnd();
scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(scrollInfo->pageScaleDelta, zoomInDelta);
if (!m_hostImpl->settings().pageScalePinchZoomEnabled) {
expectContains(*scrollInfo, scrollLayer->id(), gfx::Vector2d(25, 25));
} else {
EXPECT_TRUE(scrollInfo->scrolls.empty());
}
}
// Pinch zoom out.
{
// Start a pinch out gesture at the bottom right corner of the viewport.
const float zoomOutDelta = 0.75;
m_hostImpl->setPageScaleFactorAndLimits(1, minPageScale, maxPageScale);
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(zoomOutDelta, gfx::Point(50, 50));
// Since we are pinch zooming out, we should get an update to zoom all
// the way out to the minimum page scale.
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
if (!m_hostImpl->settings().pageScalePinchZoomEnabled) {
EXPECT_EQ(scrollInfo->pageScaleDelta, minPageScale);
expectContains(*scrollInfo, scrollLayer->id(), gfx::Vector2d(0, 0));
} else {
EXPECT_EQ(scrollInfo->pageScaleDelta, 1);
EXPECT_TRUE(scrollInfo->scrolls.empty());
}
// Once the gesture ends, we get the final scroll and page scale values.
m_hostImpl->pinchGestureEnd();
scrollInfo = m_hostImpl->processScrollDeltas();
if (m_hostImpl->settings().pageScalePinchZoomEnabled) {
EXPECT_EQ(scrollInfo->pageScaleDelta, minPageScale);
expectContains(*scrollInfo, scrollLayer->id(), gfx::Vector2d(25, 25));
} else {
EXPECT_EQ(scrollInfo->pageScaleDelta, zoomOutDelta);
expectContains(*scrollInfo, scrollLayer->id(), gfx::Vector2d(8, 8));
}
}
}
TEST_P(LayerTreeHostImplTest, inhibitScrollAndPageScaleUpdatesWhileAnimatingPageScale)
{
setupScrollAndContentsLayers(gfx::Size(100, 100));
m_hostImpl->setViewportSize(gfx::Size(50, 50), gfx::Size(50, 50));
initializeRendererAndDrawFrame();
LayerImpl* scrollLayer = m_hostImpl->rootScrollLayer();
DCHECK(scrollLayer);
const float minPageScale = 0.5;
const float maxPageScale = 4;
const base::TimeTicks startTime = base::TimeTicks() + base::TimeDelta::FromSeconds(1);
const base::TimeDelta duration = base::TimeDelta::FromMilliseconds(100);
const base::TimeTicks halfwayThroughAnimation = startTime + duration / 2;
const base::TimeTicks endTime = startTime + duration;
const float pageScaleDelta = 2;
gfx::Vector2d target(25, 25);
gfx::Vector2d scaledTarget = target;
if (!m_hostImpl->settings().pageScalePinchZoomEnabled)
scaledTarget = gfx::Vector2d(12, 12);
m_hostImpl->setPageScaleFactorAndLimits(1, minPageScale, maxPageScale);
m_hostImpl->startPageScaleAnimation(target, false, pageScaleDelta, startTime, duration);
// We should immediately get the final zoom and scroll values for the
// animation.
m_hostImpl->animate(halfwayThroughAnimation, base::Time());
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(scrollInfo->pageScaleDelta, pageScaleDelta);
expectContains(*scrollInfo, scrollLayer->id(), scaledTarget);
// Scrolling during the animation is ignored.
const gfx::Vector2d scrollDelta(0, 10);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(target.x(), target.y()), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
// The final page scale and scroll deltas should match what we got
// earlier.
m_hostImpl->animate(endTime, base::Time());
scrollInfo = m_hostImpl->processScrollDeltas();
EXPECT_EQ(scrollInfo->pageScaleDelta, pageScaleDelta);
expectContains(*scrollInfo, scrollLayer->id(), scaledTarget);
}
class DidDrawCheckLayer : public TiledLayerImpl {
public:
static scoped_ptr<LayerImpl> create(int id) { return scoped_ptr<LayerImpl>(new DidDrawCheckLayer(id)); }
virtual void didDraw(ResourceProvider*) OVERRIDE
{
m_didDrawCalled = true;
}
virtual void willDraw(ResourceProvider*) OVERRIDE
{
m_willDrawCalled = true;
}
bool didDrawCalled() const { return m_didDrawCalled; }
bool willDrawCalled() const { return m_willDrawCalled; }
void clearDidDrawCheck()
{
m_didDrawCalled = false;
m_willDrawCalled = false;
}
protected:
explicit DidDrawCheckLayer(int id)
: TiledLayerImpl(id)
, m_didDrawCalled(false)
, m_willDrawCalled(false)
{
setAnchorPoint(gfx::PointF(0, 0));
setBounds(gfx::Size(10, 10));
setContentBounds(gfx::Size(10, 10));
setDrawsContent(true);
setSkipsDraw(false);
drawProperties().visible_content_rect = gfx::Rect(0, 0, 10, 10);
scoped_ptr<LayerTilingData> tiler = LayerTilingData::create(gfx::Size(100, 100), LayerTilingData::HasBorderTexels);
tiler->setBounds(contentBounds());
setTilingData(*tiler.get());
}
private:
bool m_didDrawCalled;
bool m_willDrawCalled;
};
TEST_P(LayerTreeHostImplTest, didDrawNotCalledOnHiddenLayer)
{
// The root layer is always drawn, so run this test on a child layer that
// will be masked out by the root layer's bounds.
m_hostImpl->setRootLayer(DidDrawCheckLayer::create(1));
DidDrawCheckLayer* root = static_cast<DidDrawCheckLayer*>(m_hostImpl->rootLayer());
root->setMasksToBounds(true);
root->addChild(DidDrawCheckLayer::create(2));
DidDrawCheckLayer* layer = static_cast<DidDrawCheckLayer*>(root->children()[0]);
// Ensure visibleContentRect for layer is empty
layer->setPosition(gfx::PointF(100, 100));
layer->setBounds(gfx::Size(10, 10));
layer->setContentBounds(gfx::Size(10, 10));
LayerTreeHostImpl::FrameData frame;
EXPECT_FALSE(layer->willDrawCalled());
EXPECT_FALSE(layer->didDrawCalled());
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
EXPECT_FALSE(layer->willDrawCalled());
EXPECT_FALSE(layer->didDrawCalled());
EXPECT_TRUE(layer->visibleContentRect().IsEmpty());
// Ensure visibleContentRect for layer layer is not empty
layer->setPosition(gfx::PointF(0, 0));
EXPECT_FALSE(layer->willDrawCalled());
EXPECT_FALSE(layer->didDrawCalled());
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
EXPECT_TRUE(layer->willDrawCalled());
EXPECT_TRUE(layer->didDrawCalled());
EXPECT_FALSE(layer->visibleContentRect().IsEmpty());
}
TEST_P(LayerTreeHostImplTest, willDrawNotCalledOnOccludedLayer)
{
gfx::Size bigSize(1000, 1000);
m_hostImpl->setViewportSize(bigSize, bigSize);
m_hostImpl->setRootLayer(DidDrawCheckLayer::create(1));
DidDrawCheckLayer* root = static_cast<DidDrawCheckLayer*>(m_hostImpl->rootLayer());
root->addChild(DidDrawCheckLayer::create(2));
DidDrawCheckLayer* occludedLayer = static_cast<DidDrawCheckLayer*>(root->children()[0]);
root->addChild(DidDrawCheckLayer::create(3));
DidDrawCheckLayer* topLayer = static_cast<DidDrawCheckLayer*>(root->children()[1]);
// This layer covers the occludedLayer above. Make this layer large so it can occlude.
topLayer->setBounds(bigSize);
topLayer->setContentBounds(bigSize);
topLayer->setContentsOpaque(true);
LayerTreeHostImpl::FrameData frame;
EXPECT_FALSE(occludedLayer->willDrawCalled());
EXPECT_FALSE(occludedLayer->didDrawCalled());
EXPECT_FALSE(topLayer->willDrawCalled());
EXPECT_FALSE(topLayer->didDrawCalled());
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
EXPECT_FALSE(occludedLayer->willDrawCalled());
EXPECT_FALSE(occludedLayer->didDrawCalled());
EXPECT_TRUE(topLayer->willDrawCalled());
EXPECT_TRUE(topLayer->didDrawCalled());
}
TEST_P(LayerTreeHostImplTest, didDrawCalledOnAllLayers)
{
m_hostImpl->setRootLayer(DidDrawCheckLayer::create(1));
DidDrawCheckLayer* root = static_cast<DidDrawCheckLayer*>(m_hostImpl->rootLayer());
root->addChild(DidDrawCheckLayer::create(2));
DidDrawCheckLayer* layer1 = static_cast<DidDrawCheckLayer*>(root->children()[0]);
layer1->addChild(DidDrawCheckLayer::create(3));
DidDrawCheckLayer* layer2 = static_cast<DidDrawCheckLayer*>(layer1->children()[0]);
layer1->setOpacity(0.3f);
layer1->setPreserves3D(false);
EXPECT_FALSE(root->didDrawCalled());
EXPECT_FALSE(layer1->didDrawCalled());
EXPECT_FALSE(layer2->didDrawCalled());
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
EXPECT_TRUE(root->didDrawCalled());
EXPECT_TRUE(layer1->didDrawCalled());
EXPECT_TRUE(layer2->didDrawCalled());
EXPECT_NE(root->renderSurface(), layer1->renderSurface());
EXPECT_TRUE(!!layer1->renderSurface());
}
class MissingTextureAnimatingLayer : public DidDrawCheckLayer {
public:
static scoped_ptr<LayerImpl> create(int id, bool tileMissing, bool skipsDraw, bool animating, ResourceProvider* resourceProvider)
{
return scoped_ptr<LayerImpl>(new MissingTextureAnimatingLayer(id, tileMissing, skipsDraw, animating, resourceProvider));
}
private:
explicit MissingTextureAnimatingLayer(int id, bool tileMissing, bool skipsDraw, bool animating, ResourceProvider* resourceProvider)
: DidDrawCheckLayer(id)
{
scoped_ptr<LayerTilingData> tilingData = LayerTilingData::create(gfx::Size(10, 10), LayerTilingData::NoBorderTexels);
tilingData->setBounds(bounds());
setTilingData(*tilingData.get());
setSkipsDraw(skipsDraw);
if (!tileMissing) {
ResourceProvider::ResourceId resource = resourceProvider->createResource(Renderer::ContentPool, gfx::Size(), GL_RGBA, ResourceProvider::TextureUsageAny);
pushTileProperties(0, 0, resource, gfx::Rect(), false);
}
if (animating)
addAnimatedTransformToLayer(*this, 10, 3, 0);
}
};
TEST_P(LayerTreeHostImplTest, prepareToDrawFailsWhenAnimationUsesCheckerboard)
{
// When the texture is not missing, we draw as usual.
m_hostImpl->setRootLayer(DidDrawCheckLayer::create(1));
DidDrawCheckLayer* root = static_cast<DidDrawCheckLayer*>(m_hostImpl->rootLayer());
root->addChild(MissingTextureAnimatingLayer::create(2, false, false, true, m_hostImpl->resourceProvider()));
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
// When a texture is missing and we're not animating, we draw as usual with checkerboarding.
m_hostImpl->setRootLayer(DidDrawCheckLayer::create(1));
root = static_cast<DidDrawCheckLayer*>(m_hostImpl->rootLayer());
root->addChild(MissingTextureAnimatingLayer::create(2, true, false, false, m_hostImpl->resourceProvider()));
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
// When a texture is missing and we're animating, we don't want to draw anything.
m_hostImpl->setRootLayer(DidDrawCheckLayer::create(1));
root = static_cast<DidDrawCheckLayer*>(m_hostImpl->rootLayer());
root->addChild(MissingTextureAnimatingLayer::create(2, true, false, true, m_hostImpl->resourceProvider()));
EXPECT_FALSE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
// When the layer skips draw and we're animating, we still draw the frame.
m_hostImpl->setRootLayer(DidDrawCheckLayer::create(1));
root = static_cast<DidDrawCheckLayer*>(m_hostImpl->rootLayer());
root->addChild(MissingTextureAnimatingLayer::create(2, false, true, true, m_hostImpl->resourceProvider()));
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
}
TEST_P(LayerTreeHostImplTest, scrollRootIgnored)
{
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
root->setScrollable(false);
m_hostImpl->setRootLayer(root.Pass());
initializeRendererAndDrawFrame();
// Scroll event is ignored because layer is not scrollable.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Wheel), InputHandlerClient::ScrollIgnored);
EXPECT_FALSE(m_didRequestRedraw);
EXPECT_FALSE(m_didRequestCommit);
}
TEST_P(LayerTreeHostImplTest, scrollNonCompositedRoot)
{
// Test the configuration where a non-composited root layer is embedded in a
// scrollable outer layer.
gfx::Size surfaceSize(10, 10);
scoped_ptr<LayerImpl> contentLayer = LayerImpl::create(1);
contentLayer->setUseLCDText(true);
contentLayer->setDrawsContent(true);
contentLayer->setPosition(gfx::PointF(0, 0));
contentLayer->setAnchorPoint(gfx::PointF(0, 0));
contentLayer->setBounds(surfaceSize);
contentLayer->setContentBounds(gfx::Size(surfaceSize.width() * 2, surfaceSize.height() * 2));
contentLayer->setContentsScale(2, 2);
scoped_ptr<LayerImpl> scrollLayer = LayerImpl::create(2);
scrollLayer->setScrollable(true);
scrollLayer->setMaxScrollOffset(gfx::Vector2d(surfaceSize.width(), surfaceSize.height()));
scrollLayer->setBounds(surfaceSize);
scrollLayer->setContentBounds(surfaceSize);
scrollLayer->setPosition(gfx::PointF(0, 0));
scrollLayer->setAnchorPoint(gfx::PointF(0, 0));
scrollLayer->addChild(contentLayer.Pass());
m_hostImpl->setRootLayer(scrollLayer.Pass());
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
initializeRendererAndDrawFrame();
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(5, 5), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(0, 10));
m_hostImpl->scrollEnd();
EXPECT_TRUE(m_didRequestRedraw);
EXPECT_TRUE(m_didRequestCommit);
}
TEST_P(LayerTreeHostImplTest, scrollChildCallsCommitAndRedraw)
{
gfx::Size surfaceSize(10, 10);
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
root->setBounds(surfaceSize);
root->setContentBounds(surfaceSize);
root->addChild(createScrollableLayer(2, surfaceSize));
m_hostImpl->setRootLayer(root.Pass());
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
initializeRendererAndDrawFrame();
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(5, 5), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(0, 10));
m_hostImpl->scrollEnd();
EXPECT_TRUE(m_didRequestRedraw);
EXPECT_TRUE(m_didRequestCommit);
}
TEST_P(LayerTreeHostImplTest, scrollMissesChild)
{
gfx::Size surfaceSize(10, 10);
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
root->addChild(createScrollableLayer(2, surfaceSize));
m_hostImpl->setRootLayer(root.Pass());
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
initializeRendererAndDrawFrame();
// Scroll event is ignored because the input coordinate is outside the layer boundaries.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(15, 5), InputHandlerClient::Wheel), InputHandlerClient::ScrollIgnored);
EXPECT_FALSE(m_didRequestRedraw);
EXPECT_FALSE(m_didRequestCommit);
}
TEST_P(LayerTreeHostImplTest, scrollMissesBackfacingChild)
{
gfx::Size surfaceSize(10, 10);
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
scoped_ptr<LayerImpl> child = createScrollableLayer(2, surfaceSize);
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
gfx::Transform matrix;
MathUtil::rotateEulerAngles(&matrix, 180, 0, 0);
child->setTransform(matrix);
child->setDoubleSided(false);
root->addChild(child.Pass());
m_hostImpl->setRootLayer(root.Pass());
initializeRendererAndDrawFrame();
// Scroll event is ignored because the scrollable layer is not facing the viewer and there is
// nothing scrollable behind it.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(5, 5), InputHandlerClient::Wheel), InputHandlerClient::ScrollIgnored);
EXPECT_FALSE(m_didRequestRedraw);
EXPECT_FALSE(m_didRequestCommit);
}
TEST_P(LayerTreeHostImplTest, scrollBlockedByContentLayer)
{
gfx::Size surfaceSize(10, 10);
scoped_ptr<LayerImpl> contentLayer = createScrollableLayer(1, surfaceSize);
contentLayer->setShouldScrollOnMainThread(true);
contentLayer->setScrollable(false);
scoped_ptr<LayerImpl> scrollLayer = createScrollableLayer(2, surfaceSize);
scrollLayer->addChild(contentLayer.Pass());
m_hostImpl->setRootLayer(scrollLayer.Pass());
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
initializeRendererAndDrawFrame();
// Scrolling fails because the content layer is asking to be scrolled on the main thread.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(5, 5), InputHandlerClient::Wheel), InputHandlerClient::ScrollOnMainThread);
}
TEST_P(LayerTreeHostImplTest, scrollRootAndChangePageScaleOnMainThread)
{
gfx::Size surfaceSize(10, 10);
float pageScale = 2;
scoped_ptr<LayerImpl> root = createScrollableLayer(1, surfaceSize);
m_hostImpl->setRootLayer(root.Pass());
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
initializeRendererAndDrawFrame();
gfx::Vector2d scrollDelta(0, 10);
gfx::Vector2d expectedScrollDelta(scrollDelta);
gfx::Vector2d expectedMaxScroll(m_hostImpl->rootLayer()->maxScrollOffset());
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(5, 5), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
// Set new page scale from main thread.
m_hostImpl->setPageScaleFactorAndLimits(pageScale, pageScale, pageScale);
if (!m_hostImpl->settings().pageScalePinchZoomEnabled) {
// The scale should apply to the scroll delta.
expectedScrollDelta = gfx::ToFlooredVector2d(gfx::ScaleVector2d(expectedScrollDelta, pageScale));
}
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), expectedScrollDelta);
// The scroll range should also have been updated.
EXPECT_EQ(m_hostImpl->rootLayer()->maxScrollOffset(), expectedMaxScroll);
// The page scale delta remains constant because the impl thread did not scale.
// TODO: If possible, use gfx::Transform() or Skia equality functions. At
// the moment we avoid that because skia does exact bit-wise equality
// checking that does not consider -0 == +0.
// http://code.google.com/p/chromium/issues/detail?id=162747
EXPECT_EQ(1.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(0, 0));
EXPECT_EQ(0.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(0, 1));
EXPECT_EQ(0.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(0, 2));
EXPECT_EQ(0.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(0, 3));
EXPECT_EQ(0.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(1, 0));
EXPECT_EQ(1.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(1, 1));
EXPECT_EQ(0.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(1, 2));
EXPECT_EQ(0.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(1, 3));
EXPECT_EQ(0.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(2, 0));
EXPECT_EQ(0.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(2, 1));
EXPECT_EQ(1.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(2, 2));
EXPECT_EQ(0.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(2, 3));
EXPECT_EQ(0.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(3, 0));
EXPECT_EQ(0.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(3, 1));
EXPECT_EQ(0.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(3, 2));
EXPECT_EQ(1.0, m_hostImpl->rootLayer()->implTransform().matrix().getDouble(3, 3));
}
TEST_P(LayerTreeHostImplTest, scrollRootAndChangePageScaleOnImplThread)
{
gfx::Size surfaceSize(10, 10);
float pageScale = 2;
scoped_ptr<LayerImpl> root = createScrollableLayer(1, surfaceSize);
m_hostImpl->setRootLayer(root.Pass());
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
m_hostImpl->setPageScaleFactorAndLimits(1, 1, pageScale);
initializeRendererAndDrawFrame();
gfx::Vector2d scrollDelta(0, 10);
gfx::Vector2d expectedScrollDelta(scrollDelta);
gfx::Vector2d expectedMaxScroll(m_hostImpl->rootLayer()->maxScrollOffset());
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(5, 5), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
// Set new page scale on impl thread by pinching.
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(pageScale, gfx::Point());
m_hostImpl->pinchGestureEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
// The scroll delta is not scaled because the main thread did not scale.
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), expectedScrollDelta);
// The scroll range should also have been updated.
EXPECT_EQ(m_hostImpl->rootLayer()->maxScrollOffset(), expectedMaxScroll);
// The page scale delta should match the new scale on the impl side.
gfx::Transform expectedScale;
expectedScale.Scale(pageScale, pageScale);
EXPECT_EQ(m_hostImpl->rootLayer()->implTransform(), expectedScale);
}
TEST_P(LayerTreeHostImplTest, pageScaleDeltaAppliedToRootScrollLayerOnly)
{
gfx::Size surfaceSize(10, 10);
float defaultPageScale = 1;
gfx::Transform defaultPageScaleMatrix;
float newPageScale = 2;
gfx::Transform newPageScaleMatrix;
newPageScaleMatrix.Scale(newPageScale, newPageScale);
// Create a normal scrollable root layer and another scrollable child layer.
setupScrollAndContentsLayers(surfaceSize);
LayerImpl* root = m_hostImpl->rootLayer();
LayerImpl* child = root->children()[0];
scoped_ptr<LayerImpl> scrollableChild = createScrollableLayer(3, surfaceSize);
child->addChild(scrollableChild.Pass());
LayerImpl* grandChild = child->children()[0];
// Set new page scale on impl thread by pinching.
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(newPageScale, gfx::Point());
m_hostImpl->pinchGestureEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
// The page scale delta should only be applied to the scrollable root layer.
EXPECT_EQ(root->implTransform(), newPageScaleMatrix);
EXPECT_EQ(child->implTransform(), defaultPageScaleMatrix);
EXPECT_EQ(grandChild->implTransform(), defaultPageScaleMatrix);
// Make sure all the layers are drawn with the page scale delta applied, i.e., the page scale
// delta on the root layer is applied hierarchically.
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
EXPECT_EQ(root->drawTransform().matrix().getDouble(0, 0), newPageScale);
EXPECT_EQ(root->drawTransform().matrix().getDouble(1, 1), newPageScale);
EXPECT_EQ(child->drawTransform().matrix().getDouble(0, 0), newPageScale);
EXPECT_EQ(child->drawTransform().matrix().getDouble(1, 1), newPageScale);
EXPECT_EQ(grandChild->drawTransform().matrix().getDouble(0, 0), newPageScale);
EXPECT_EQ(grandChild->drawTransform().matrix().getDouble(1, 1), newPageScale);
}
TEST_P(LayerTreeHostImplTest, scrollChildAndChangePageScaleOnMainThread)
{
gfx::Size surfaceSize(10, 10);
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
root->setBounds(surfaceSize);
root->setContentBounds(surfaceSize);
// Also mark the root scrollable so it becomes the root scroll layer.
root->setScrollable(true);
int scrollLayerId = 2;
root->addChild(createScrollableLayer(scrollLayerId, surfaceSize));
m_hostImpl->setRootLayer(root.Pass());
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
initializeRendererAndDrawFrame();
LayerImpl* child = m_hostImpl->rootLayer()->children()[0];
gfx::Vector2d scrollDelta(0, 10);
gfx::Vector2d expectedScrollDelta(scrollDelta);
gfx::Vector2d expectedMaxScroll(child->maxScrollOffset());
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(5, 5), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
float pageScale = 2;
m_hostImpl->setPageScaleFactorAndLimits(pageScale, 1, pageScale);
m_hostImpl->updateRootScrollLayerImplTransform();
if (!m_hostImpl->settings().pageScalePinchZoomEnabled) {
// The scale should apply to the scroll delta.
expectedScrollDelta = gfx::ToFlooredVector2d(gfx::ScaleVector2d(expectedScrollDelta, pageScale));
}
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), scrollLayerId, expectedScrollDelta);
// The scroll range should not have changed.
EXPECT_EQ(child->maxScrollOffset(), expectedMaxScroll);
// The page scale delta remains constant because the impl thread did not scale.
gfx::Transform identityTransform;
EXPECT_EQ(child->implTransform(), gfx::Transform());
}
TEST_P(LayerTreeHostImplTest, scrollChildBeyondLimit)
{
// Scroll a child layer beyond its maximum scroll range and make sure the
// parent layer is scrolled on the axis on which the child was unable to
// scroll.
gfx::Size surfaceSize(10, 10);
scoped_ptr<LayerImpl> root = createScrollableLayer(1, surfaceSize);
scoped_ptr<LayerImpl> grandChild = createScrollableLayer(3, surfaceSize);
grandChild->setScrollOffset(gfx::Vector2d(0, 5));
scoped_ptr<LayerImpl> child = createScrollableLayer(2, surfaceSize);
child->setScrollOffset(gfx::Vector2d(3, 0));
child->addChild(grandChild.Pass());
root->addChild(child.Pass());
m_hostImpl->setRootLayer(root.Pass());
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
initializeRendererAndDrawFrame();
{
gfx::Vector2d scrollDelta(-8, -7);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(5, 5), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
// The grand child should have scrolled up to its limit.
LayerImpl* child = m_hostImpl->rootLayer()->children()[0];
LayerImpl* grandChild = child->children()[0];
expectContains(*scrollInfo.get(), grandChild->id(), gfx::Vector2d(0, -5));
// The child should have only scrolled on the other axis.
expectContains(*scrollInfo.get(), child->id(), gfx::Vector2d(-3, 0));
}
}
TEST_P(LayerTreeHostImplTest, scrollEventBubbling)
{
// When we try to scroll a non-scrollable child layer, the scroll delta
// should be applied to one of its ancestors if possible.
gfx::Size surfaceSize(10, 10);
scoped_ptr<LayerImpl> root = createScrollableLayer(1, surfaceSize);
scoped_ptr<LayerImpl> child = createScrollableLayer(2, surfaceSize);
child->setScrollable(false);
root->addChild(child.Pass());
m_hostImpl->setRootLayer(root.Pass());
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
initializeRendererAndDrawFrame();
{
gfx::Vector2d scrollDelta(0, 4);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(5, 5), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
// Only the root should have scrolled.
ASSERT_EQ(scrollInfo->scrolls.size(), 1u);
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), scrollDelta);
}
}
TEST_P(LayerTreeHostImplTest, scrollBeforeRedraw)
{
gfx::Size surfaceSize(10, 10);
m_hostImpl->setRootLayer(createScrollableLayer(1, surfaceSize));
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
// Draw one frame and then immediately rebuild the layer tree to mimic a tree synchronization.
initializeRendererAndDrawFrame();
m_hostImpl->detachLayerTree();
m_hostImpl->setRootLayer(createScrollableLayer(2, surfaceSize));
// Scrolling should still work even though we did not draw yet.
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(5, 5), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
}
TEST_P(LayerTreeHostImplTest, scrollAxisAlignedRotatedLayer)
{
setupScrollAndContentsLayers(gfx::Size(100, 100));
// Rotate the root layer 90 degrees counter-clockwise about its center.
gfx::Transform rotateTransform;
rotateTransform.Rotate(-90);
m_hostImpl->rootLayer()->setTransform(rotateTransform);
gfx::Size surfaceSize(50, 50);
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
initializeRendererAndDrawFrame();
// Scroll to the right in screen coordinates with a gesture.
gfx::Vector2d gestureScrollDelta(10, 0);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), gestureScrollDelta);
m_hostImpl->scrollEnd();
// The layer should have scrolled down in its local coordinates.
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), gfx::Vector2d(0, gestureScrollDelta.x()));
// Reset and scroll down with the wheel.
m_hostImpl->rootLayer()->setScrollDelta(gfx::Vector2dF());
gfx::Vector2d wheelScrollDelta(0, 10);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), wheelScrollDelta);
m_hostImpl->scrollEnd();
// The layer should have scrolled down in its local coordinates.
scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), wheelScrollDelta);
}
TEST_P(LayerTreeHostImplTest, scrollNonAxisAlignedRotatedLayer)
{
setupScrollAndContentsLayers(gfx::Size(100, 100));
int childLayerId = 3;
float childLayerAngle = -20;
// Create a child layer that is rotated to a non-axis-aligned angle.
scoped_ptr<LayerImpl> child = createScrollableLayer(childLayerId, m_hostImpl->rootLayer()->contentBounds());
gfx::Transform rotateTransform;
rotateTransform.Translate(-50, -50);
rotateTransform.Rotate(childLayerAngle);
rotateTransform.Translate(50, 50);
child->setTransform(rotateTransform);
// Only allow vertical scrolling.
child->setMaxScrollOffset(gfx::Vector2d(0, child->contentBounds().height()));
m_hostImpl->rootLayer()->addChild(child.Pass());
gfx::Size surfaceSize(50, 50);
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
initializeRendererAndDrawFrame();
{
// Scroll down in screen coordinates with a gesture.
gfx::Vector2d gestureScrollDelta(0, 10);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), gestureScrollDelta);
m_hostImpl->scrollEnd();
// The child layer should have scrolled down in its local coordinates an amount proportional to
// the angle between it and the input scroll delta.
gfx::Vector2d expectedScrollDelta(0, gestureScrollDelta.y() * std::cos(MathUtil::Deg2Rad(childLayerAngle)));
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), childLayerId, expectedScrollDelta);
// The root layer should not have scrolled, because the input delta was close to the layer's
// axis of movement.
EXPECT_EQ(scrollInfo->scrolls.size(), 1u);
}
{
// Now reset and scroll the same amount horizontally.
m_hostImpl->rootLayer()->children()[1]->setScrollDelta(gfx::Vector2dF());
gfx::Vector2d gestureScrollDelta(10, 0);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), gestureScrollDelta);
m_hostImpl->scrollEnd();
// The child layer should have scrolled down in its local coordinates an amount proportional to
// the angle between it and the input scroll delta.
gfx::Vector2d expectedScrollDelta(0, -gestureScrollDelta.x() * std::sin(MathUtil::Deg2Rad(childLayerAngle)));
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), childLayerId, expectedScrollDelta);
// The root layer should have scrolled more, since the input scroll delta was mostly
// orthogonal to the child layer's vertical scroll axis.
gfx::Vector2d expectedRootScrollDelta(gestureScrollDelta.x() * std::pow(std::cos(MathUtil::Deg2Rad(childLayerAngle)), 2), 0);
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), expectedRootScrollDelta);
}
}
TEST_P(LayerTreeHostImplTest, scrollScaledLayer)
{
setupScrollAndContentsLayers(gfx::Size(100, 100));
// Scale the layer to twice its normal size.
int scale = 2;
gfx::Transform scaleTransform;
scaleTransform.Scale(scale, scale);
m_hostImpl->rootLayer()->setTransform(scaleTransform);
gfx::Size surfaceSize(50, 50);
m_hostImpl->setViewportSize(surfaceSize, surfaceSize);
initializeRendererAndDrawFrame();
// Scroll down in screen coordinates with a gesture.
gfx::Vector2d scrollDelta(0, 10);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
// The layer should have scrolled down in its local coordinates, but half he amount.
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), gfx::Vector2d(0, scrollDelta.y() / scale));
// Reset and scroll down with the wheel.
m_hostImpl->rootLayer()->setScrollDelta(gfx::Vector2dF());
gfx::Vector2d wheelScrollDelta(0, 10);
EXPECT_EQ(m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Wheel), InputHandlerClient::ScrollStarted);
m_hostImpl->scrollBy(gfx::Point(), wheelScrollDelta);
m_hostImpl->scrollEnd();
// The scale should not have been applied to the scroll delta.
scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), wheelScrollDelta);
}
class BlendStateTrackerContext: public FakeWebGraphicsContext3D {
public:
BlendStateTrackerContext() : m_blend(false) { }
virtual void enable(WGC3Denum cap)
{
if (cap == GL_BLEND)
m_blend = true;
}
virtual void disable(WGC3Denum cap)
{
if (cap == GL_BLEND)
m_blend = false;
}
bool blend() const { return m_blend; }
private:
bool m_blend;
};
class BlendStateCheckLayer : public LayerImpl {
public:
static scoped_ptr<LayerImpl> create(int id, ResourceProvider* resourceProvider) { return scoped_ptr<LayerImpl>(new BlendStateCheckLayer(id, resourceProvider)); }
virtual void appendQuads(QuadSink& quadSink, AppendQuadsData& appendQuadsData) OVERRIDE
{
m_quadsAppended = true;
gfx::Rect opaqueRect;
if (contentsOpaque())
opaqueRect = m_quadRect;
else
opaqueRect = m_opaqueContentRect;
SharedQuadState* sharedQuadState = quadSink.useSharedQuadState(createSharedQuadState());
scoped_ptr<TileDrawQuad> testBlendingDrawQuad = TileDrawQuad::Create();
testBlendingDrawQuad->SetNew(sharedQuadState, m_quadRect, opaqueRect, m_resourceId, gfx::RectF(0, 0, 1, 1), gfx::Size(1, 1), false, false, false, false, false);
testBlendingDrawQuad->visible_rect = m_quadVisibleRect;
EXPECT_EQ(m_blend, testBlendingDrawQuad->ShouldDrawWithBlending());
EXPECT_EQ(m_hasRenderSurface, !!renderSurface());
quadSink.append(testBlendingDrawQuad.PassAs<DrawQuad>(), appendQuadsData);
}
void setExpectation(bool blend, bool hasRenderSurface)
{
m_blend = blend;
m_hasRenderSurface = hasRenderSurface;
m_quadsAppended = false;
}
bool quadsAppended() const { return m_quadsAppended; }
void setQuadRect(const gfx::Rect& rect) { m_quadRect = rect; }
void setQuadVisibleRect(const gfx::Rect& rect) { m_quadVisibleRect = rect; }
void setOpaqueContentRect(const gfx::Rect& rect) { m_opaqueContentRect = rect; }
private:
explicit BlendStateCheckLayer(int id, ResourceProvider* resourceProvider)
: LayerImpl(id)
, m_blend(false)
, m_hasRenderSurface(false)
, m_quadsAppended(false)
, m_quadRect(5, 5, 5, 5)
, m_quadVisibleRect(5, 5, 5, 5)
, m_resourceId(resourceProvider->createResource(Renderer::ContentPool, gfx::Size(1, 1), GL_RGBA, ResourceProvider::TextureUsageAny))
{
setAnchorPoint(gfx::PointF(0, 0));
setBounds(gfx::Size(10, 10));
setContentBounds(gfx::Size(10, 10));
setDrawsContent(true);
}
bool m_blend;
bool m_hasRenderSurface;
bool m_quadsAppended;
gfx::Rect m_quadRect;
gfx::Rect m_opaqueContentRect;
gfx::Rect m_quadVisibleRect;
ResourceProvider::ResourceId m_resourceId;
};
TEST_P(LayerTreeHostImplTest, blendingOffWhenDrawingOpaqueLayers)
{
{
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
root->setAnchorPoint(gfx::PointF(0, 0));
root->setBounds(gfx::Size(10, 10));
root->setContentBounds(root->bounds());
root->setDrawsContent(false);
m_hostImpl->setRootLayer(root.Pass());
}
LayerImpl* root = m_hostImpl->rootLayer();
root->addChild(BlendStateCheckLayer::create(2, m_hostImpl->resourceProvider()));
BlendStateCheckLayer* layer1 = static_cast<BlendStateCheckLayer*>(root->children()[0]);
layer1->setPosition(gfx::PointF(2, 2));
LayerTreeHostImpl::FrameData frame;
// Opaque layer, drawn without blending.
layer1->setContentsOpaque(true);
layer1->setExpectation(false, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// Layer with translucent content and painting, so drawn with blending.
layer1->setContentsOpaque(false);
layer1->setExpectation(true, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// Layer with translucent opacity, drawn with blending.
layer1->setContentsOpaque(true);
layer1->setOpacity(0.5);
layer1->setExpectation(true, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// Layer with translucent opacity and painting, drawn with blending.
layer1->setContentsOpaque(true);
layer1->setOpacity(0.5);
layer1->setExpectation(true, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
layer1->addChild(BlendStateCheckLayer::create(3, m_hostImpl->resourceProvider()));
BlendStateCheckLayer* layer2 = static_cast<BlendStateCheckLayer*>(layer1->children()[0]);
layer2->setPosition(gfx::PointF(4, 4));
// 2 opaque layers, drawn without blending.
layer1->setContentsOpaque(true);
layer1->setOpacity(1);
layer1->setExpectation(false, false);
layer2->setContentsOpaque(true);
layer2->setOpacity(1);
layer2->setExpectation(false, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
EXPECT_TRUE(layer2->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// Parent layer with translucent content, drawn with blending.
// Child layer with opaque content, drawn without blending.
layer1->setContentsOpaque(false);
layer1->setExpectation(true, false);
layer2->setExpectation(false, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
EXPECT_TRUE(layer2->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// Parent layer with translucent content but opaque painting, drawn without blending.
// Child layer with opaque content, drawn without blending.
layer1->setContentsOpaque(true);
layer1->setExpectation(false, false);
layer2->setExpectation(false, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
EXPECT_TRUE(layer2->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// Parent layer with translucent opacity and opaque content. Since it has a
// drawing child, it's drawn to a render surface which carries the opacity,
// so it's itself drawn without blending.
// Child layer with opaque content, drawn without blending (parent surface
// carries the inherited opacity).
layer1->setContentsOpaque(true);
layer1->setOpacity(0.5);
layer1->setExpectation(false, true);
layer2->setExpectation(false, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
EXPECT_TRUE(layer2->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// Draw again, but with child non-opaque, to make sure
// layer1 not culled.
layer1->setContentsOpaque(true);
layer1->setOpacity(1);
layer1->setExpectation(false, false);
layer2->setContentsOpaque(true);
layer2->setOpacity(0.5);
layer2->setExpectation(true, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
EXPECT_TRUE(layer2->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// A second way of making the child non-opaque.
layer1->setContentsOpaque(true);
layer1->setOpacity(1);
layer1->setExpectation(false, false);
layer2->setContentsOpaque(false);
layer2->setOpacity(1);
layer2->setExpectation(true, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
EXPECT_TRUE(layer2->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// And when the layer says its not opaque but is painted opaque, it is not blended.
layer1->setContentsOpaque(true);
layer1->setOpacity(1);
layer1->setExpectation(false, false);
layer2->setContentsOpaque(true);
layer2->setOpacity(1);
layer2->setExpectation(false, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
EXPECT_TRUE(layer2->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// Layer with partially opaque contents, drawn with blending.
layer1->setContentsOpaque(false);
layer1->setQuadRect(gfx::Rect(5, 5, 5, 5));
layer1->setQuadVisibleRect(gfx::Rect(5, 5, 5, 5));
layer1->setOpaqueContentRect(gfx::Rect(5, 5, 2, 5));
layer1->setExpectation(true, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// Layer with partially opaque contents partially culled, drawn with blending.
layer1->setContentsOpaque(false);
layer1->setQuadRect(gfx::Rect(5, 5, 5, 5));
layer1->setQuadVisibleRect(gfx::Rect(5, 5, 5, 2));
layer1->setOpaqueContentRect(gfx::Rect(5, 5, 2, 5));
layer1->setExpectation(true, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// Layer with partially opaque contents culled, drawn with blending.
layer1->setContentsOpaque(false);
layer1->setQuadRect(gfx::Rect(5, 5, 5, 5));
layer1->setQuadVisibleRect(gfx::Rect(7, 5, 3, 5));
layer1->setOpaqueContentRect(gfx::Rect(5, 5, 2, 5));
layer1->setExpectation(true, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
// Layer with partially opaque contents and translucent contents culled, drawn without blending.
layer1->setContentsOpaque(false);
layer1->setQuadRect(gfx::Rect(5, 5, 5, 5));
layer1->setQuadVisibleRect(gfx::Rect(5, 5, 2, 5));
layer1->setOpaqueContentRect(gfx::Rect(5, 5, 2, 5));
layer1->setExpectation(false, false);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(layer1->quadsAppended());
m_hostImpl->didDrawAllLayers(frame);
}
TEST_P(LayerTreeHostImplTest, viewportCovered)
{
m_hostImpl->initializeRenderer(createContext());
m_hostImpl->setBackgroundColor(SK_ColorGRAY);
gfx::Size viewportSize(1000, 1000);
m_hostImpl->setViewportSize(viewportSize, viewportSize);
m_hostImpl->setRootLayer(LayerImpl::create(1));
m_hostImpl->rootLayer()->addChild(BlendStateCheckLayer::create(2, m_hostImpl->resourceProvider()));
BlendStateCheckLayer* child = static_cast<BlendStateCheckLayer*>(m_hostImpl->rootLayer()->children()[0]);
child->setExpectation(false, false);
child->setContentsOpaque(true);
// No gutter rects
{
gfx::Rect layerRect(0, 0, 1000, 1000);
child->setPosition(layerRect.origin());
child->setBounds(layerRect.size());
child->setContentBounds(layerRect.size());
child->setQuadRect(gfx::Rect(gfx::Point(), layerRect.size()));
child->setQuadVisibleRect(gfx::Rect(gfx::Point(), layerRect.size()));
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
ASSERT_EQ(1u, frame.renderPasses.size());
size_t numGutterQuads = 0;
for (size_t i = 0; i < frame.renderPasses[0]->quad_list.size(); ++i)
numGutterQuads += (frame.renderPasses[0]->quad_list[i]->material == DrawQuad::SOLID_COLOR) ? 1 : 0;
EXPECT_EQ(0u, numGutterQuads);
EXPECT_EQ(1u, frame.renderPasses[0]->quad_list.size());
verifyQuadsExactlyCoverRect(frame.renderPasses[0]->quad_list, gfx::Rect(gfx::Point(), viewportSize));
m_hostImpl->didDrawAllLayers(frame);
}
// Empty visible content area (fullscreen gutter rect)
{
gfx::Rect layerRect(0, 0, 0, 0);
child->setPosition(layerRect.origin());
child->setBounds(layerRect.size());
child->setContentBounds(layerRect.size());
child->setQuadRect(gfx::Rect(gfx::Point(), layerRect.size()));
child->setQuadVisibleRect(gfx::Rect(gfx::Point(), layerRect.size()));
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
ASSERT_EQ(1u, frame.renderPasses.size());
m_hostImpl->didDrawAllLayers(frame);
size_t numGutterQuads = 0;
for (size_t i = 0; i < frame.renderPasses[0]->quad_list.size(); ++i)
numGutterQuads += (frame.renderPasses[0]->quad_list[i]->material == DrawQuad::SOLID_COLOR) ? 1 : 0;
EXPECT_EQ(1u, numGutterQuads);
EXPECT_EQ(1u, frame.renderPasses[0]->quad_list.size());
verifyQuadsExactlyCoverRect(frame.renderPasses[0]->quad_list, gfx::Rect(gfx::Point(), viewportSize));
m_hostImpl->didDrawAllLayers(frame);
}
// Content area in middle of clip rect (four surrounding gutter rects)
{
gfx::Rect layerRect(500, 500, 200, 200);
child->setPosition(layerRect.origin());
child->setBounds(layerRect.size());
child->setContentBounds(layerRect.size());
child->setQuadRect(gfx::Rect(gfx::Point(), layerRect.size()));
child->setQuadVisibleRect(gfx::Rect(gfx::Point(), layerRect.size()));
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
ASSERT_EQ(1u, frame.renderPasses.size());
size_t numGutterQuads = 0;
for (size_t i = 0; i < frame.renderPasses[0]->quad_list.size(); ++i)
numGutterQuads += (frame.renderPasses[0]->quad_list[i]->material == DrawQuad::SOLID_COLOR) ? 1 : 0;
EXPECT_EQ(4u, numGutterQuads);
EXPECT_EQ(5u, frame.renderPasses[0]->quad_list.size());
verifyQuadsExactlyCoverRect(frame.renderPasses[0]->quad_list, gfx::Rect(gfx::Point(), viewportSize));
m_hostImpl->didDrawAllLayers(frame);
}
}
class ReshapeTrackerContext: public FakeWebGraphicsContext3D {
public:
ReshapeTrackerContext() : m_reshapeCalled(false) { }
virtual void reshape(int width, int height)
{
m_reshapeCalled = true;
}
bool reshapeCalled() const { return m_reshapeCalled; }
private:
bool m_reshapeCalled;
};
class FakeDrawableLayerImpl: public LayerImpl {
public:
static scoped_ptr<LayerImpl> create(int id) { return scoped_ptr<LayerImpl>(new FakeDrawableLayerImpl(id)); }
protected:
explicit FakeDrawableLayerImpl(int id) : LayerImpl(id) { }
};
// Only reshape when we know we are going to draw. Otherwise, the reshape
// can leave the window at the wrong size if we never draw and the proper
// viewport size is never set.
TEST_P(LayerTreeHostImplTest, reshapeNotCalledUntilDraw)
{
scoped_ptr<GraphicsContext> outputSurface = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new ReshapeTrackerContext)).PassAs<GraphicsContext>();
ReshapeTrackerContext* reshapeTracker = static_cast<ReshapeTrackerContext*>(outputSurface->context3D());
m_hostImpl->initializeRenderer(outputSurface.Pass());
scoped_ptr<LayerImpl> root = FakeDrawableLayerImpl::create(1);
root->setAnchorPoint(gfx::PointF(0, 0));
root->setBounds(gfx::Size(10, 10));
root->setDrawsContent(true);
m_hostImpl->setRootLayer(root.Pass());
EXPECT_FALSE(reshapeTracker->reshapeCalled());
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
EXPECT_TRUE(reshapeTracker->reshapeCalled());
m_hostImpl->didDrawAllLayers(frame);
}
class PartialSwapTrackerContext : public FakeWebGraphicsContext3D {
public:
virtual void postSubBufferCHROMIUM(int x, int y, int width, int height)
{
m_partialSwapRect = gfx::Rect(x, y, width, height);
}
virtual WebString getString(WGC3Denum name)
{
if (name == GL_EXTENSIONS)
return WebString("GL_CHROMIUM_post_sub_buffer GL_CHROMIUM_set_visibility");
return WebString();
}
gfx::Rect partialSwapRect() const { return m_partialSwapRect; }
private:
gfx::Rect m_partialSwapRect;
};
// Make sure damage tracking propagates all the way to the graphics context,
// where it should request to swap only the subBuffer that is damaged.
TEST_P(LayerTreeHostImplTest, partialSwapReceivesDamageRect)
{
scoped_ptr<GraphicsContext> outputSurface = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new PartialSwapTrackerContext)).PassAs<GraphicsContext>();
PartialSwapTrackerContext* partialSwapTracker = static_cast<PartialSwapTrackerContext*>(outputSurface->context3D());
// This test creates its own LayerTreeHostImpl, so
// that we can force partial swap enabled.
LayerTreeSettings settings;
settings.partialSwapEnabled = true;
scoped_ptr<LayerTreeHostImpl> layerTreeHostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
layerTreeHostImpl->initializeRenderer(outputSurface.Pass());
layerTreeHostImpl->setViewportSize(gfx::Size(500, 500), gfx::Size(500, 500));
scoped_ptr<LayerImpl> root = FakeDrawableLayerImpl::create(1);
scoped_ptr<LayerImpl> child = FakeDrawableLayerImpl::create(2);
child->setPosition(gfx::PointF(12, 13));
child->setAnchorPoint(gfx::PointF(0, 0));
child->setBounds(gfx::Size(14, 15));
child->setContentBounds(gfx::Size(14, 15));
child->setDrawsContent(true);
root->setAnchorPoint(gfx::PointF(0, 0));
root->setBounds(gfx::Size(500, 500));
root->setContentBounds(gfx::Size(500, 500));
root->setDrawsContent(true);
root->addChild(child.Pass());
layerTreeHostImpl->setRootLayer(root.Pass());
LayerTreeHostImpl::FrameData frame;
// First frame, the entire screen should get swapped.
EXPECT_TRUE(layerTreeHostImpl->prepareToDraw(frame));
layerTreeHostImpl->drawLayers(frame);
layerTreeHostImpl->didDrawAllLayers(frame);
layerTreeHostImpl->swapBuffers();
gfx::Rect actualSwapRect = partialSwapTracker->partialSwapRect();
gfx::Rect expectedSwapRect = gfx::Rect(gfx::Point(), gfx::Size(500, 500));
EXPECT_EQ(expectedSwapRect.x(), actualSwapRect.x());
EXPECT_EQ(expectedSwapRect.y(), actualSwapRect.y());
EXPECT_EQ(expectedSwapRect.width(), actualSwapRect.width());
EXPECT_EQ(expectedSwapRect.height(), actualSwapRect.height());
// Second frame, only the damaged area should get swapped. Damage should be the union
// of old and new child rects.
// expected damage rect: gfx::Rect(gfx::Point(), gfx::Size(26, 28));
// expected swap rect: vertically flipped, with origin at bottom left corner.
layerTreeHostImpl->rootLayer()->children()[0]->setPosition(gfx::PointF(0, 0));
EXPECT_TRUE(layerTreeHostImpl->prepareToDraw(frame));
layerTreeHostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
layerTreeHostImpl->swapBuffers();
actualSwapRect = partialSwapTracker->partialSwapRect();
expectedSwapRect = gfx::Rect(gfx::Point(0, 500-28), gfx::Size(26, 28));
EXPECT_EQ(expectedSwapRect.x(), actualSwapRect.x());
EXPECT_EQ(expectedSwapRect.y(), actualSwapRect.y());
EXPECT_EQ(expectedSwapRect.width(), actualSwapRect.width());
EXPECT_EQ(expectedSwapRect.height(), actualSwapRect.height());
// Make sure that partial swap is constrained to the viewport dimensions
// expected damage rect: gfx::Rect(gfx::Point(), gfx::Size(500, 500));
// expected swap rect: flipped damage rect, but also clamped to viewport
layerTreeHostImpl->setViewportSize(gfx::Size(10, 10), gfx::Size(10, 10));
layerTreeHostImpl->rootLayer()->setOpacity(0.7f); // this will damage everything
EXPECT_TRUE(layerTreeHostImpl->prepareToDraw(frame));
layerTreeHostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
layerTreeHostImpl->swapBuffers();
actualSwapRect = partialSwapTracker->partialSwapRect();
expectedSwapRect = gfx::Rect(gfx::Point(), gfx::Size(10, 10));
EXPECT_EQ(expectedSwapRect.x(), actualSwapRect.x());
EXPECT_EQ(expectedSwapRect.y(), actualSwapRect.y());
EXPECT_EQ(expectedSwapRect.width(), actualSwapRect.width());
EXPECT_EQ(expectedSwapRect.height(), actualSwapRect.height());
}
TEST_P(LayerTreeHostImplTest, rootLayerDoesntCreateExtraSurface)
{
scoped_ptr<LayerImpl> root = FakeDrawableLayerImpl::create(1);
scoped_ptr<LayerImpl> child = FakeDrawableLayerImpl::create(2);
child->setAnchorPoint(gfx::PointF(0, 0));
child->setBounds(gfx::Size(10, 10));
child->setContentBounds(gfx::Size(10, 10));
child->setDrawsContent(true);
root->setAnchorPoint(gfx::PointF(0, 0));
root->setBounds(gfx::Size(10, 10));
root->setContentBounds(gfx::Size(10, 10));
root->setDrawsContent(true);
root->setOpacity(0.7f);
root->addChild(child.Pass());
m_hostImpl->setRootLayer(root.Pass());
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
EXPECT_EQ(1u, frame.renderSurfaceLayerList->size());
EXPECT_EQ(1u, frame.renderPasses.size());
m_hostImpl->didDrawAllLayers(frame);
}
} // namespace
class FakeLayerWithQuads : public LayerImpl {
public:
static scoped_ptr<LayerImpl> create(int id) { return scoped_ptr<LayerImpl>(new FakeLayerWithQuads(id)); }
virtual void appendQuads(QuadSink& quadSink, AppendQuadsData& appendQuadsData) OVERRIDE
{
SharedQuadState* sharedQuadState = quadSink.useSharedQuadState(createSharedQuadState());
SkColor gray = SkColorSetRGB(100, 100, 100);
gfx::Rect quadRect(gfx::Point(0, 0), contentBounds());
scoped_ptr<SolidColorDrawQuad> myQuad = SolidColorDrawQuad::Create();
myQuad->SetNew(sharedQuadState, quadRect, gray);
quadSink.append(myQuad.PassAs<DrawQuad>(), appendQuadsData);
}
private:
FakeLayerWithQuads(int id)
: LayerImpl(id)
{
}
};
namespace {
class MockContext : public FakeWebGraphicsContext3D {
public:
MOCK_METHOD1(useProgram, void(WebGLId program));
MOCK_METHOD5(uniform4f, void(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z, WGC3Dfloat w));
MOCK_METHOD4(uniformMatrix4fv, void(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value));
MOCK_METHOD4(drawElements, void(WGC3Denum mode, WGC3Dsizei count, WGC3Denum type, WGC3Dintptr offset));
MOCK_METHOD1(getString, WebString(WGC3Denum name));
MOCK_METHOD0(getRequestableExtensionsCHROMIUM, WebString());
MOCK_METHOD1(enable, void(WGC3Denum cap));
MOCK_METHOD1(disable, void(WGC3Denum cap));
MOCK_METHOD4(scissor, void(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height));
};
class MockContextHarness {
private:
MockContext* m_context;
public:
MockContextHarness(MockContext* context)
: m_context(context)
{
// Catch "uninteresting" calls
EXPECT_CALL(*m_context, useProgram(_))
.Times(0);
EXPECT_CALL(*m_context, drawElements(_, _, _, _))
.Times(0);
// These are not asserted
EXPECT_CALL(*m_context, uniformMatrix4fv(_, _, _, _))
.WillRepeatedly(Return());
EXPECT_CALL(*m_context, uniform4f(_, _, _, _, _))
.WillRepeatedly(Return());
// Any other strings are empty
EXPECT_CALL(*m_context, getString(_))
.WillRepeatedly(Return(WebString()));
// Support for partial swap, if needed
EXPECT_CALL(*m_context, getString(GL_EXTENSIONS))
.WillRepeatedly(Return(WebString("GL_CHROMIUM_post_sub_buffer")));
EXPECT_CALL(*m_context, getRequestableExtensionsCHROMIUM())
.WillRepeatedly(Return(WebString("GL_CHROMIUM_post_sub_buffer")));
// Any un-sanctioned calls to enable() are OK
EXPECT_CALL(*m_context, enable(_))
.WillRepeatedly(Return());
// Any un-sanctioned calls to disable() are OK
EXPECT_CALL(*m_context, disable(_))
.WillRepeatedly(Return());
}
void mustDrawSolidQuad()
{
EXPECT_CALL(*m_context, drawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, 0))
.WillOnce(Return())
.RetiresOnSaturation();
// 1 is hardcoded return value of fake createProgram()
EXPECT_CALL(*m_context, useProgram(1))
.WillOnce(Return())
.RetiresOnSaturation();
}
void mustSetScissor(int x, int y, int width, int height)
{
EXPECT_CALL(*m_context, enable(GL_SCISSOR_TEST))
.WillRepeatedly(Return());
EXPECT_CALL(*m_context, scissor(x, y, width, height))
.Times(AtLeast(1))
.WillRepeatedly(Return());
}
void mustSetNoScissor()
{
EXPECT_CALL(*m_context, disable(GL_SCISSOR_TEST))
.WillRepeatedly(Return());
EXPECT_CALL(*m_context, enable(GL_SCISSOR_TEST))
.Times(0);
EXPECT_CALL(*m_context, scissor(_, _, _, _))
.Times(0);
}
};
TEST_P(LayerTreeHostImplTest, noPartialSwap)
{
scoped_ptr<GraphicsContext> context = FakeWebCompositorOutputSurface::create(scoped_ptr<WebGraphicsContext3D>(new MockContext)).PassAs<GraphicsContext>();
MockContext* mockContext = static_cast<MockContext*>(context->context3D());
MockContextHarness harness(mockContext);
// Run test case
scoped_ptr<LayerTreeHostImpl> myHostImpl = createLayerTreeHost(false, context.Pass(), FakeLayerWithQuads::create(1));
// without partial swap, and no clipping, no scissor is set.
harness.mustDrawSolidQuad();
harness.mustSetNoScissor();
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
Mock::VerifyAndClearExpectations(&mockContext);
// without partial swap, but a layer does clip its subtree, one scissor is set.
myHostImpl->rootLayer()->setMasksToBounds(true);
harness.mustDrawSolidQuad();
harness.mustSetScissor(0, 0, 10, 10);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
Mock::VerifyAndClearExpectations(&mockContext);
}
TEST_P(LayerTreeHostImplTest, partialSwap)
{
scoped_ptr<GraphicsContext> context = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new MockContext)).PassAs<GraphicsContext>();
MockContext* mockContext = static_cast<MockContext*>(context->context3D());
MockContextHarness harness(mockContext);
scoped_ptr<LayerTreeHostImpl> myHostImpl = createLayerTreeHost(true, context.Pass(), FakeLayerWithQuads::create(1));
// The first frame is not a partially-swapped one.
harness.mustSetScissor(0, 0, 10, 10);
harness.mustDrawSolidQuad();
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
Mock::VerifyAndClearExpectations(&mockContext);
// Damage a portion of the frame.
myHostImpl->rootLayer()->setUpdateRect(gfx::Rect(0, 0, 2, 3));
// The second frame will be partially-swapped (the y coordinates are flipped).
harness.mustSetScissor(0, 7, 2, 3);
harness.mustDrawSolidQuad();
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
Mock::VerifyAndClearExpectations(&mockContext);
}
class PartialSwapContext : public FakeWebGraphicsContext3D {
public:
WebString getString(WGC3Denum name)
{
if (name == GL_EXTENSIONS)
return WebString("GL_CHROMIUM_post_sub_buffer");
return WebString();
}
WebString getRequestableExtensionsCHROMIUM()
{
return WebString("GL_CHROMIUM_post_sub_buffer");
}
// Unlimited texture size.
virtual void getIntegerv(WGC3Denum pname, WGC3Dint* value)
{
if (pname == GL_MAX_TEXTURE_SIZE)
*value = 8192;
}
};
static scoped_ptr<LayerTreeHostImpl> setupLayersForOpacity(bool partialSwap, LayerTreeHostImplClient* client, Proxy* proxy)
{
scoped_ptr<GraphicsContext> context = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new PartialSwapContext)).PassAs<GraphicsContext>();
LayerTreeSettings settings;
settings.partialSwapEnabled = partialSwap;
scoped_ptr<LayerTreeHostImpl> myHostImpl = LayerTreeHostImpl::create(settings, client, proxy);
myHostImpl->initializeRenderer(context.Pass());
myHostImpl->setViewportSize(gfx::Size(100, 100), gfx::Size(100, 100));
/*
Layers are created as follows:
+--------------------+
| 1 |
| +-----------+ |
| | 2 | |
| | +-------------------+
| | | 3 |
| | +-------------------+
| | | |
| +-----------+ |
| |
| |
+--------------------+
Layers 1, 2 have render surfaces
*/
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
scoped_ptr<LayerImpl> child = LayerImpl::create(2);
scoped_ptr<LayerImpl> grandChild = FakeLayerWithQuads::create(3);
gfx::Rect rootRect(0, 0, 100, 100);
gfx::Rect childRect(10, 10, 50, 50);
gfx::Rect grandChildRect(5, 5, 150, 150);
root->createRenderSurface();
root->setAnchorPoint(gfx::PointF(0, 0));
root->setPosition(gfx::PointF(rootRect.x(), rootRect.y()));
root->setBounds(gfx::Size(rootRect.width(), rootRect.height()));
root->setContentBounds(root->bounds());
root->drawProperties().visible_content_rect = rootRect;
root->setDrawsContent(false);
root->renderSurface()->setContentRect(gfx::Rect(gfx::Point(), gfx::Size(rootRect.width(), rootRect.height())));
child->setAnchorPoint(gfx::PointF(0, 0));
child->setPosition(gfx::PointF(childRect.x(), childRect.y()));
child->setOpacity(0.5f);
child->setBounds(gfx::Size(childRect.width(), childRect.height()));
child->setContentBounds(child->bounds());
child->drawProperties().visible_content_rect = childRect;
child->setDrawsContent(false);
child->setForceRenderSurface(true);
grandChild->setAnchorPoint(gfx::PointF(0, 0));
grandChild->setPosition(gfx::Point(grandChildRect.x(), grandChildRect.y()));
grandChild->setBounds(gfx::Size(grandChildRect.width(), grandChildRect.height()));
grandChild->setContentBounds(grandChild->bounds());
grandChild->drawProperties().visible_content_rect = grandChildRect;
grandChild->setDrawsContent(true);
child->addChild(grandChild.Pass());
root->addChild(child.Pass());
myHostImpl->setRootLayer(root.Pass());
return myHostImpl.Pass();
}
TEST_P(LayerTreeHostImplTest, contributingLayerEmptyScissorPartialSwap)
{
scoped_ptr<LayerTreeHostImpl> myHostImpl = setupLayersForOpacity(true, this, &m_proxy);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Verify all quads have been computed
ASSERT_EQ(2U, frame.renderPasses.size());
ASSERT_EQ(1U, frame.renderPasses[0]->quad_list.size());
ASSERT_EQ(1U, frame.renderPasses[1]->quad_list.size());
EXPECT_EQ(DrawQuad::SOLID_COLOR, frame.renderPasses[0]->quad_list[0]->material);
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[1]->quad_list[0]->material);
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
}
TEST_P(LayerTreeHostImplTest, contributingLayerEmptyScissorNoPartialSwap)
{
scoped_ptr<LayerTreeHostImpl> myHostImpl = setupLayersForOpacity(false, this, &m_proxy);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Verify all quads have been computed
ASSERT_EQ(2U, frame.renderPasses.size());
ASSERT_EQ(1U, frame.renderPasses[0]->quad_list.size());
ASSERT_EQ(1U, frame.renderPasses[1]->quad_list.size());
EXPECT_EQ(DrawQuad::SOLID_COLOR, frame.renderPasses[0]->quad_list[0]->material);
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[1]->quad_list[0]->material);
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
}
// Make sure that context lost notifications are propagated through the tree.
class ContextLostNotificationCheckLayer : public LayerImpl {
public:
static scoped_ptr<LayerImpl> create(int id) { return scoped_ptr<LayerImpl>(new ContextLostNotificationCheckLayer(id)); }
virtual void didLoseContext() OVERRIDE
{
m_didLoseContextCalled = true;
}
bool didLoseContextCalled() const { return m_didLoseContextCalled; }
private:
explicit ContextLostNotificationCheckLayer(int id)
: LayerImpl(id)
, m_didLoseContextCalled(false)
{
}
bool m_didLoseContextCalled;
};
TEST_P(LayerTreeHostImplTest, contextLostAndRestoredNotificationSentToAllLayers)
{
m_hostImpl->setRootLayer(ContextLostNotificationCheckLayer::create(1));
ContextLostNotificationCheckLayer* root = static_cast<ContextLostNotificationCheckLayer*>(m_hostImpl->rootLayer());
root->addChild(ContextLostNotificationCheckLayer::create(1));
ContextLostNotificationCheckLayer* layer1 = static_cast<ContextLostNotificationCheckLayer*>(root->children()[0]);
layer1->addChild(ContextLostNotificationCheckLayer::create(2));
ContextLostNotificationCheckLayer* layer2 = static_cast<ContextLostNotificationCheckLayer*>(layer1->children()[0]);
EXPECT_FALSE(root->didLoseContextCalled());
EXPECT_FALSE(layer1->didLoseContextCalled());
EXPECT_FALSE(layer2->didLoseContextCalled());
m_hostImpl->initializeRenderer(createContext());
EXPECT_TRUE(root->didLoseContextCalled());
EXPECT_TRUE(layer1->didLoseContextCalled());
EXPECT_TRUE(layer2->didLoseContextCalled());
}
TEST_P(LayerTreeHostImplTest, finishAllRenderingAfterContextLost)
{
LayerTreeSettings settings;
m_hostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
// The context initialization will fail, but we should still be able to call finishAllRendering() without any ill effects.
m_hostImpl->initializeRenderer(FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new FakeWebGraphicsContext3DMakeCurrentFails)).PassAs<GraphicsContext>());
m_hostImpl->finishAllRendering();
}
class FakeWebGraphicsContext3DMakeCurrentFailsEventually : public FakeWebGraphicsContext3D {
public:
explicit FakeWebGraphicsContext3DMakeCurrentFailsEventually(unsigned succeedCount) : m_succeedCount(succeedCount) { }
virtual bool makeContextCurrent() {
if (!m_succeedCount)
return false;
--m_succeedCount;
return true;
}
private:
unsigned m_succeedCount;
};
TEST_P(LayerTreeHostImplTest, contextLostDuringInitialize)
{
LayerTreeSettings settings;
m_hostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
// Initialize into a known successful state.
EXPECT_TRUE(m_hostImpl->initializeRenderer(createContext()));
EXPECT_TRUE(m_hostImpl->context());
EXPECT_TRUE(m_hostImpl->renderer());
EXPECT_TRUE(m_hostImpl->resourceProvider());
// We will make the context get lost after a numer of makeContextCurrent
// calls. The exact number of calls to make it succeed is dependent on the
// implementation and doesn't really matter (i.e. can be changed to make the
// tests pass after some refactoring).
const unsigned kMakeCurrentSuccessesNeededForSuccessfulInitialization = 3;
for (unsigned i = 0; i < kMakeCurrentSuccessesNeededForSuccessfulInitialization; ++i) {
// The context will get lost during initialization, we shouldn't crash. We
// should also be in a consistent state.
EXPECT_FALSE(m_hostImpl->initializeRenderer(FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new FakeWebGraphicsContext3DMakeCurrentFailsEventually(i))).PassAs<GraphicsContext>()));
EXPECT_EQ(0, m_hostImpl->context());
EXPECT_EQ(0, m_hostImpl->renderer());
EXPECT_EQ(0, m_hostImpl->resourceProvider());
EXPECT_TRUE(m_hostImpl->initializeRenderer(createContext()));
}
EXPECT_TRUE(m_hostImpl->initializeRenderer(FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new FakeWebGraphicsContext3DMakeCurrentFailsEventually(kMakeCurrentSuccessesNeededForSuccessfulInitialization))).PassAs<GraphicsContext>()));
EXPECT_TRUE(m_hostImpl->context());
EXPECT_TRUE(m_hostImpl->renderer());
EXPECT_TRUE(m_hostImpl->resourceProvider());
}
// Fake WebGraphicsContext3D that will cause a failure if trying to use a
// resource that wasn't created by it (resources created by
// FakeWebGraphicsContext3D have an id of 1).
class StrictWebGraphicsContext3D : public FakeWebGraphicsContext3D {
public:
StrictWebGraphicsContext3D()
: FakeWebGraphicsContext3D()
{
m_nextTextureId = 8; // Start allocating texture ids larger than any other resource IDs so we can tell if someone's mixing up their resource types.
}
virtual WebGLId createBuffer() { return 2; }
virtual WebGLId createFramebuffer() { return 3; }
virtual WebGLId createProgram() { return 4; }
virtual WebGLId createRenderbuffer() { return 5; }
virtual WebGLId createShader(WGC3Denum) { return 6; }
static const WebGLId kExternalTextureId = 7;
virtual void deleteBuffer(WebGLId id)
{
if (id != 2)
ADD_FAILURE() << "Trying to delete buffer id " << id;
}
virtual void deleteFramebuffer(WebGLId id)
{
if (id != 3)
ADD_FAILURE() << "Trying to delete framebuffer id " << id;
}
virtual void deleteProgram(WebGLId id)
{
if (id != 4)
ADD_FAILURE() << "Trying to delete program id " << id;
}
virtual void deleteRenderbuffer(WebGLId id)
{
if (id != 5)
ADD_FAILURE() << "Trying to delete renderbuffer id " << id;
}
virtual void deleteShader(WebGLId id)
{
if (id != 6)
ADD_FAILURE() << "Trying to delete shader id " << id;
}
virtual WebGLId createTexture()
{
unsigned textureId = FakeWebGraphicsContext3D::createTexture();
m_allocatedTextureIds.insert(textureId);
return textureId;
}
virtual void deleteTexture(WebGLId id)
{
if (id == kExternalTextureId)
ADD_FAILURE() << "Trying to delete external texture";
if (!ContainsKey(m_allocatedTextureIds, id))
ADD_FAILURE() << "Trying to delete texture id " << id;
m_allocatedTextureIds.erase(id);
}
virtual void bindBuffer(WGC3Denum, WebGLId id)
{
if (id != 2 && id)
ADD_FAILURE() << "Trying to bind buffer id " << id;
}
virtual void bindFramebuffer(WGC3Denum, WebGLId id)
{
if (id != 3 && id)
ADD_FAILURE() << "Trying to bind framebuffer id " << id;
}
virtual void useProgram(WebGLId id)
{
if (id != 4)
ADD_FAILURE() << "Trying to use program id " << id;
}
virtual void bindRenderbuffer(WGC3Denum, WebGLId id)
{
if (id != 5 && id)
ADD_FAILURE() << "Trying to bind renderbuffer id " << id;
}
virtual void attachShader(WebGLId program, WebGLId shader)
{
if ((program != 4) || (shader != 6))
ADD_FAILURE() << "Trying to attach shader id " << shader << " to program id " << program;
}
virtual void bindTexture(WGC3Denum, WebGLId id)
{
if (id && id != kExternalTextureId && !ContainsKey(m_allocatedTextureIds, id))
ADD_FAILURE() << "Trying to bind texture id " << id;
}
private:
base::hash_set<unsigned> m_allocatedTextureIds;
};
// Fake WebVideoFrame wrapper of media::VideoFrame.
class FakeVideoFrame: public WebVideoFrame {
public:
explicit FakeVideoFrame(const scoped_refptr<VideoFrame>& frame) : m_frame(frame) { }
virtual ~FakeVideoFrame() { }
virtual Format format() const { NOTREACHED(); return FormatInvalid; }
virtual unsigned width() const { NOTREACHED(); return 0; }
virtual unsigned height() const { NOTREACHED(); return 0; }
virtual unsigned planes() const { NOTREACHED(); return 0; }
virtual int stride(unsigned plane) const { NOTREACHED(); return 0; }
virtual const void* data(unsigned plane) const { NOTREACHED(); return NULL; }
virtual unsigned textureId() const { NOTREACHED(); return 0; }
virtual unsigned textureTarget() const { NOTREACHED(); return 0; }
virtual WebKit::WebRect visibleRect() const { NOTREACHED(); return WebKit::WebRect(0, 0, 0, 0); }
virtual WebKit::WebSize textureSize() const { NOTREACHED(); return WebKit::WebSize(4, 4); }
static VideoFrame* toVideoFrame(WebVideoFrame* web_video_frame) {
FakeVideoFrame* wrapped_frame =
static_cast<FakeVideoFrame*>(web_video_frame);
if (wrapped_frame)
return wrapped_frame->m_frame.get();
return NULL;
}
private:
scoped_refptr<VideoFrame> m_frame;
};
// Fake video frame provider that always provides the same FakeVideoFrame.
class FakeVideoFrameProvider: public WebVideoFrameProvider {
public:
FakeVideoFrameProvider() : m_frame(0), m_client(0) { }
virtual ~FakeVideoFrameProvider()
{
if (m_client)
m_client->stopUsingProvider();
}
virtual void setVideoFrameProviderClient(Client* client) { m_client = client; }
virtual WebVideoFrame* getCurrentFrame() { return m_frame; }
virtual void putCurrentFrame(WebVideoFrame*) { }
void setFrame(WebVideoFrame* frame) { m_frame = frame; }
private:
WebVideoFrame* m_frame;
Client* m_client;
};
class StrictWebGraphicsContext3DWithIOSurface : public StrictWebGraphicsContext3D {
public:
virtual WebString getString(WGC3Denum name) OVERRIDE
{
if (name == GL_EXTENSIONS)
return WebString("GL_CHROMIUM_iosurface GL_ARB_texture_rectangle");
return WebString();
}
};
class FakeWebGraphicsContext3DWithIOSurface : public FakeWebGraphicsContext3D {
public:
virtual WebString getString(WGC3Denum name) OVERRIDE
{
if (name == GL_EXTENSIONS)
return WebString("GL_CHROMIUM_iosurface GL_ARB_texture_rectangle");
return WebString();
}
};
class FakeWebScrollbarThemeGeometryNonEmpty : public FakeWebScrollbarThemeGeometry {
virtual WebRect trackRect(WebScrollbar*) OVERRIDE { return WebRect(0, 0, 10, 10); }
virtual WebRect thumbRect(WebScrollbar*) OVERRIDE { return WebRect(0, 5, 5, 2); }
virtual void splitTrack(WebScrollbar*, const WebRect& track, WebRect& startTrack, WebRect& thumb, WebRect& endTrack) OVERRIDE
{
thumb = WebRect(0, 5, 5, 2);
startTrack = WebRect(0, 5, 0, 5);
endTrack = WebRect(0, 0, 0, 5);
}
};
class FakeScrollbarLayerImpl : public ScrollbarLayerImpl {
public:
static scoped_ptr<FakeScrollbarLayerImpl> create(int id)
{
return make_scoped_ptr(new FakeScrollbarLayerImpl(id));
}
void createResources(ResourceProvider* provider)
{
DCHECK(provider);
int pool = 0;
gfx::Size size(10, 10);
GLenum format = GL_RGBA;
ResourceProvider::TextureUsageHint hint = ResourceProvider::TextureUsageAny;
setScrollbarGeometry(ScrollbarGeometryFixedThumb::create(FakeWebScrollbarThemeGeometryNonEmpty::create()));
setBackTrackResourceId(provider->createResource(pool, size, format, hint));
setForeTrackResourceId(provider->createResource(pool, size, format, hint));
setThumbResourceId(provider->createResource(pool, size, format, hint));
}
protected:
explicit FakeScrollbarLayerImpl(int id)
: ScrollbarLayerImpl(id)
{
}
};
static inline scoped_ptr<RenderPass> createRenderPassWithResource(ResourceProvider* provider)
{
ResourceProvider::ResourceId resourceId = provider->createResource(0, gfx::Size(1, 1), GL_RGBA, ResourceProvider::TextureUsageAny);
scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
pass->SetNew(RenderPass::Id(1, 1), gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1), gfx::Transform());
scoped_ptr<SharedQuadState> sharedState = SharedQuadState::Create();
sharedState->SetAll(gfx::Transform(), gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1), false, 1);
scoped_ptr<TextureDrawQuad> quad = TextureDrawQuad::Create();
quad->SetNew(sharedState.get(), gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1), resourceId, false, gfx::RectF(0, 0, 1, 1), false);
pass->AppendSharedQuadState(sharedState.Pass());
pass->AppendQuad(quad.PassAs<DrawQuad>());
return pass.PassAs<RenderPass>();
}
TEST_P(LayerTreeHostImplTest, dontUseOldResourcesAfterLostContext)
{
int layerId = 1;
scoped_ptr<LayerImpl> rootLayer(LayerImpl::create(layerId++));
rootLayer->setBounds(gfx::Size(10, 10));
rootLayer->setAnchorPoint(gfx::PointF(0, 0));
scoped_ptr<TiledLayerImpl> tileLayer = TiledLayerImpl::create(layerId++);
tileLayer->setBounds(gfx::Size(10, 10));
tileLayer->setAnchorPoint(gfx::PointF(0, 0));
tileLayer->setContentBounds(gfx::Size(10, 10));
tileLayer->setDrawsContent(true);
tileLayer->setSkipsDraw(false);
scoped_ptr<LayerTilingData> tilingData(LayerTilingData::create(gfx::Size(10, 10), LayerTilingData::NoBorderTexels));
tilingData->setBounds(gfx::Size(10, 10));
tileLayer->setTilingData(*tilingData);
tileLayer->pushTileProperties(0, 0, 1, gfx::Rect(0, 0, 10, 10), false);
rootLayer->addChild(tileLayer.PassAs<LayerImpl>());
scoped_ptr<TextureLayerImpl> textureLayer = TextureLayerImpl::create(layerId++);
textureLayer->setBounds(gfx::Size(10, 10));
textureLayer->setAnchorPoint(gfx::PointF(0, 0));
textureLayer->setContentBounds(gfx::Size(10, 10));
textureLayer->setDrawsContent(true);
textureLayer->setTextureId(StrictWebGraphicsContext3D::kExternalTextureId);
rootLayer->addChild(textureLayer.PassAs<LayerImpl>());
scoped_ptr<TiledLayerImpl> maskLayer = TiledLayerImpl::create(layerId++);
maskLayer->setBounds(gfx::Size(10, 10));
maskLayer->setAnchorPoint(gfx::PointF(0, 0));
maskLayer->setContentBounds(gfx::Size(10, 10));
maskLayer->setDrawsContent(true);
maskLayer->setSkipsDraw(false);
maskLayer->setTilingData(*tilingData);
maskLayer->pushTileProperties(0, 0, 1, gfx::Rect(0, 0, 10, 10), false);
scoped_ptr<TextureLayerImpl> textureLayerWithMask = TextureLayerImpl::create(layerId++);
textureLayerWithMask->setBounds(gfx::Size(10, 10));
textureLayerWithMask->setAnchorPoint(gfx::PointF(0, 0));
textureLayerWithMask->setContentBounds(gfx::Size(10, 10));
textureLayerWithMask->setDrawsContent(true);
textureLayerWithMask->setTextureId(StrictWebGraphicsContext3D::kExternalTextureId);
textureLayerWithMask->setMaskLayer(maskLayer.PassAs<LayerImpl>());
rootLayer->addChild(textureLayerWithMask.PassAs<LayerImpl>());
FakeVideoFrame videoFrame(VideoFrame::CreateColorFrame(gfx::Size(4, 4),
0x80, 0x80, 0x80,
base::TimeDelta()));
VideoLayerImpl::FrameUnwrapper unwrapper =
base::Bind(FakeVideoFrame::toVideoFrame);
FakeVideoFrameProvider provider;
provider.setFrame(&videoFrame);
scoped_ptr<VideoLayerImpl> videoLayer = VideoLayerImpl::create(layerId++, &provider, unwrapper);
videoLayer->setBounds(gfx::Size(10, 10));
videoLayer->setAnchorPoint(gfx::PointF(0, 0));
videoLayer->setContentBounds(gfx::Size(10, 10));
videoLayer->setDrawsContent(true);
videoLayer->setLayerTreeHostImpl(m_hostImpl.get());
rootLayer->addChild(videoLayer.PassAs<LayerImpl>());
FakeVideoFrameProvider providerScaled;
scoped_ptr<VideoLayerImpl> videoLayerScaled = VideoLayerImpl::create(layerId++, &providerScaled, unwrapper);
videoLayerScaled->setBounds(gfx::Size(10, 10));
videoLayerScaled->setAnchorPoint(gfx::PointF(0, 0));
videoLayerScaled->setContentBounds(gfx::Size(10, 10));
videoLayerScaled->setDrawsContent(true);
videoLayerScaled->setLayerTreeHostImpl(m_hostImpl.get());
rootLayer->addChild(videoLayerScaled.PassAs<LayerImpl>());
FakeVideoFrameProvider hwProvider;
scoped_ptr<VideoLayerImpl> hwVideoLayer = VideoLayerImpl::create(layerId++, &hwProvider, unwrapper);
hwVideoLayer->setBounds(gfx::Size(10, 10));
hwVideoLayer->setAnchorPoint(gfx::PointF(0, 0));
hwVideoLayer->setContentBounds(gfx::Size(10, 10));
hwVideoLayer->setDrawsContent(true);
hwVideoLayer->setLayerTreeHostImpl(m_hostImpl.get());
rootLayer->addChild(hwVideoLayer.PassAs<LayerImpl>());
scoped_ptr<IOSurfaceLayerImpl> ioSurfaceLayer = IOSurfaceLayerImpl::create(layerId++);
ioSurfaceLayer->setBounds(gfx::Size(10, 10));
ioSurfaceLayer->setAnchorPoint(gfx::PointF(0, 0));
ioSurfaceLayer->setContentBounds(gfx::Size(10, 10));
ioSurfaceLayer->setDrawsContent(true);
ioSurfaceLayer->setIOSurfaceProperties(1, gfx::Size(10, 10));
ioSurfaceLayer->setLayerTreeHostImpl(m_hostImpl.get());
rootLayer->addChild(ioSurfaceLayer.PassAs<LayerImpl>());
scoped_ptr<HeadsUpDisplayLayerImpl> hudLayer = HeadsUpDisplayLayerImpl::create(layerId++);
hudLayer->setBounds(gfx::Size(10, 10));
hudLayer->setAnchorPoint(gfx::PointF(0, 0));
hudLayer->setContentBounds(gfx::Size(10, 10));
hudLayer->setDrawsContent(true);
hudLayer->setLayerTreeHostImpl(m_hostImpl.get());
rootLayer->addChild(hudLayer.PassAs<LayerImpl>());
scoped_ptr<FakeScrollbarLayerImpl> scrollbarLayer(FakeScrollbarLayerImpl::create(layerId++));
scrollbarLayer->setBounds(gfx::Size(10, 10));
scrollbarLayer->setContentBounds(gfx::Size(10, 10));
scrollbarLayer->setDrawsContent(true);
scrollbarLayer->setLayerTreeHostImpl(m_hostImpl.get());
scrollbarLayer->createResources(m_hostImpl->resourceProvider());
rootLayer->addChild(scrollbarLayer.PassAs<LayerImpl>());
scoped_ptr<DelegatedRendererLayerImpl> delegatedRendererLayer(DelegatedRendererLayerImpl::create(layerId++));
delegatedRendererLayer->setBounds(gfx::Size(10, 10));
delegatedRendererLayer->setContentBounds(gfx::Size(10, 10));
delegatedRendererLayer->setDrawsContent(true);
delegatedRendererLayer->setLayerTreeHostImpl(m_hostImpl.get());
ScopedPtrVector<RenderPass> passList;
passList.append(createRenderPassWithResource(m_hostImpl->resourceProvider()));
delegatedRendererLayer->setRenderPasses(passList);
EXPECT_TRUE(passList.isEmpty());
rootLayer->addChild(delegatedRendererLayer.PassAs<LayerImpl>());
// Use a context that supports IOSurfaces
m_hostImpl->initializeRenderer(FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new FakeWebGraphicsContext3DWithIOSurface)).PassAs<GraphicsContext>());
FakeVideoFrame hwVideoFrame(
VideoFrame::WrapNativeTexture(
m_hostImpl->resourceProvider()->graphicsContext3D()->createTexture(),
GL_TEXTURE_2D,
gfx::Size(4, 4), gfx::Rect(0, 0, 4, 4), gfx::Size(4, 4), base::TimeDelta(),
VideoFrame::ReadPixelsCB(), base::Closure()));
hwProvider.setFrame(&hwVideoFrame);
FakeVideoFrame videoFrameScaled(
VideoFrame::WrapNativeTexture(
m_hostImpl->resourceProvider()->graphicsContext3D()->createTexture(),
GL_TEXTURE_2D,
gfx::Size(4, 4), gfx::Rect(0, 0, 3, 2), gfx::Size(4, 4), base::TimeDelta(),
VideoFrame::ReadPixelsCB(), base::Closure()));
providerScaled.setFrame(&videoFrameScaled);
m_hostImpl->setRootLayer(rootLayer.Pass());
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
m_hostImpl->swapBuffers();
unsigned numResources = m_hostImpl->resourceProvider()->numResources();
// Lose the context, replacing it with a StrictWebGraphicsContext3DWithIOSurface,
// that will warn if any resource from the previous context gets used.
m_hostImpl->initializeRenderer(FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new StrictWebGraphicsContext3DWithIOSurface)).PassAs<GraphicsContext>());
// Create dummy resources so that looking up an old resource will get an
// invalid texture id mapping.
for (unsigned i = 0; i < numResources; ++i)
m_hostImpl->resourceProvider()->createResourceFromExternalTexture(StrictWebGraphicsContext3D::kExternalTextureId);
// The WebVideoFrameProvider is expected to recreate its textures after a
// lost context (or not serve a frame).
hwProvider.setFrame(0);
providerScaled.setFrame(0);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
m_hostImpl->swapBuffers();
FakeVideoFrame hwVideoFrame2(
VideoFrame::WrapNativeTexture(
m_hostImpl->resourceProvider()->graphicsContext3D()->createTexture(),
GL_TEXTURE_2D,
gfx::Size(4, 4), gfx::Rect(0, 0, 4, 4), gfx::Size(4, 4), base::TimeDelta(),
VideoFrame::ReadPixelsCB(), base::Closure()));
hwProvider.setFrame(&hwVideoFrame2);
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
m_hostImpl->swapBuffers();
}
// Fake WebGraphicsContext3D that tracks the number of textures in use.
class TrackingWebGraphicsContext3D : public FakeWebGraphicsContext3D {
public:
TrackingWebGraphicsContext3D()
: FakeWebGraphicsContext3D()
, m_numTextures(0)
{ }
virtual WebGLId createTexture() OVERRIDE
{
WebGLId id = FakeWebGraphicsContext3D::createTexture();
m_textures[id] = true;
++m_numTextures;
return id;
}
virtual void deleteTexture(WebGLId id) OVERRIDE
{
if (m_textures.find(id) == m_textures.end())
return;
m_textures[id] = false;
--m_numTextures;
}
virtual WebString getString(WGC3Denum name) OVERRIDE
{
if (name == GL_EXTENSIONS)
return WebString("GL_CHROMIUM_iosurface GL_ARB_texture_rectangle");
return WebString();
}
unsigned numTextures() const { return m_numTextures; }
private:
base::hash_map<WebGLId, bool> m_textures;
unsigned m_numTextures;
};
TEST_P(LayerTreeHostImplTest, layersFreeTextures)
{
scoped_ptr<LayerImpl> rootLayer(LayerImpl::create(1));
rootLayer->setBounds(gfx::Size(10, 10));
rootLayer->setAnchorPoint(gfx::PointF(0, 0));
scoped_ptr<TiledLayerImpl> tileLayer = TiledLayerImpl::create(2);
tileLayer->setBounds(gfx::Size(10, 10));
tileLayer->setAnchorPoint(gfx::PointF(0, 0));
tileLayer->setContentBounds(gfx::Size(10, 10));
tileLayer->setDrawsContent(true);
tileLayer->setSkipsDraw(false);
scoped_ptr<LayerTilingData> tilingData(LayerTilingData::create(gfx::Size(10, 10), LayerTilingData::NoBorderTexels));
tilingData->setBounds(gfx::Size(10, 10));
tileLayer->setTilingData(*tilingData);
tileLayer->pushTileProperties(0, 0, 1, gfx::Rect(0, 0, 10, 10), false);
rootLayer->addChild(tileLayer.PassAs<LayerImpl>());
scoped_ptr<TextureLayerImpl> textureLayer = TextureLayerImpl::create(3);
textureLayer->setBounds(gfx::Size(10, 10));
textureLayer->setAnchorPoint(gfx::PointF(0, 0));
textureLayer->setContentBounds(gfx::Size(10, 10));
textureLayer->setDrawsContent(true);
textureLayer->setTextureId(1);
rootLayer->addChild(textureLayer.PassAs<LayerImpl>());
VideoLayerImpl::FrameUnwrapper unwrapper =
base::Bind(FakeVideoFrame::toVideoFrame);
FakeVideoFrameProvider provider;
scoped_ptr<VideoLayerImpl> videoLayer = VideoLayerImpl::create(4, &provider, unwrapper);
videoLayer->setBounds(gfx::Size(10, 10));
videoLayer->setAnchorPoint(gfx::PointF(0, 0));
videoLayer->setContentBounds(gfx::Size(10, 10));
videoLayer->setDrawsContent(true);
videoLayer->setLayerTreeHostImpl(m_hostImpl.get());
rootLayer->addChild(videoLayer.PassAs<LayerImpl>());
scoped_ptr<IOSurfaceLayerImpl> ioSurfaceLayer = IOSurfaceLayerImpl::create(5);
ioSurfaceLayer->setBounds(gfx::Size(10, 10));
ioSurfaceLayer->setAnchorPoint(gfx::PointF(0, 0));
ioSurfaceLayer->setContentBounds(gfx::Size(10, 10));
ioSurfaceLayer->setDrawsContent(true);
ioSurfaceLayer->setIOSurfaceProperties(1, gfx::Size(10, 10));
ioSurfaceLayer->setLayerTreeHostImpl(m_hostImpl.get());
rootLayer->addChild(ioSurfaceLayer.PassAs<LayerImpl>());
// Lose the context, replacing it with a TrackingWebGraphicsContext3D (which the LayerTreeHostImpl takes ownership of).
scoped_ptr<GraphicsContext> outputSurface(FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new TrackingWebGraphicsContext3D)));
TrackingWebGraphicsContext3D* trackingWebGraphicsContext = static_cast<TrackingWebGraphicsContext3D*>(outputSurface->context3D());
m_hostImpl->initializeRenderer(outputSurface.Pass());
m_hostImpl->setRootLayer(rootLayer.Pass());
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(m_hostImpl->prepareToDraw(frame));
m_hostImpl->drawLayers(frame);
m_hostImpl->didDrawAllLayers(frame);
m_hostImpl->swapBuffers();
EXPECT_GT(trackingWebGraphicsContext->numTextures(), 0u);
// Kill the layer tree.
m_hostImpl->setRootLayer(LayerImpl::create(100));
// There should be no textures left in use after.
EXPECT_EQ(0u, trackingWebGraphicsContext->numTextures());
}
class MockDrawQuadsToFillScreenContext : public FakeWebGraphicsContext3D {
public:
MOCK_METHOD1(useProgram, void(WebGLId program));
MOCK_METHOD4(drawElements, void(WGC3Denum mode, WGC3Dsizei count, WGC3Denum type, WGC3Dintptr offset));
};
TEST_P(LayerTreeHostImplTest, hasTransparentBackground)
{
scoped_ptr<GraphicsContext> context = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new MockDrawQuadsToFillScreenContext)).PassAs<GraphicsContext>();
MockDrawQuadsToFillScreenContext* mockContext = static_cast<MockDrawQuadsToFillScreenContext*>(context->context3D());
// Run test case
scoped_ptr<LayerTreeHostImpl> myHostImpl = createLayerTreeHost(false, context.Pass(), LayerImpl::create(1));
myHostImpl->setBackgroundColor(SK_ColorWHITE);
// Verify one quad is drawn when transparent background set is not set.
myHostImpl->setHasTransparentBackground(false);
EXPECT_CALL(*mockContext, useProgram(_))
.Times(1);
EXPECT_CALL(*mockContext, drawElements(_, _, _, _))
.Times(1);
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
Mock::VerifyAndClearExpectations(&mockContext);
// Verify no quads are drawn when transparent background is set.
myHostImpl->setHasTransparentBackground(true);
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
Mock::VerifyAndClearExpectations(&mockContext);
}
static void addDrawingLayerTo(LayerImpl* parent, int id, const gfx::Rect& layerRect, LayerImpl** result)
{
scoped_ptr<LayerImpl> layer = FakeLayerWithQuads::create(id);
LayerImpl* layerPtr = layer.get();
layerPtr->setAnchorPoint(gfx::PointF(0, 0));
layerPtr->setPosition(gfx::PointF(layerRect.origin()));
layerPtr->setBounds(layerRect.size());
layerPtr->setContentBounds(layerRect.size());
layerPtr->setDrawsContent(true); // only children draw content
layerPtr->setContentsOpaque(true);
parent->addChild(layer.Pass());
if (result)
*result = layerPtr;
}
static void setupLayersForTextureCaching(LayerTreeHostImpl* layerTreeHostImpl, LayerImpl*& rootPtr, LayerImpl*& intermediateLayerPtr, LayerImpl*& surfaceLayerPtr, LayerImpl*& childPtr, const gfx::Size& rootSize)
{
scoped_ptr<GraphicsContext> context = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new PartialSwapContext)).PassAs<GraphicsContext>();
layerTreeHostImpl->initializeRenderer(context.Pass());
layerTreeHostImpl->setViewportSize(rootSize, rootSize);
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
rootPtr = root.get();
root->setAnchorPoint(gfx::PointF(0, 0));
root->setPosition(gfx::PointF(0, 0));
root->setBounds(rootSize);
root->setContentBounds(rootSize);
root->setDrawsContent(true);
layerTreeHostImpl->setRootLayer(root.Pass());
addDrawingLayerTo(rootPtr, 2, gfx::Rect(10, 10, rootSize.width(), rootSize.height()), &intermediateLayerPtr);
intermediateLayerPtr->setDrawsContent(false); // only children draw content
// Surface layer is the layer that changes its opacity
// It will contain other layers that draw content.
addDrawingLayerTo(intermediateLayerPtr, 3, gfx::Rect(10, 10, rootSize.width(), rootSize.height()), &surfaceLayerPtr);
surfaceLayerPtr->setDrawsContent(false); // only children draw content
surfaceLayerPtr->setOpacity(0.5f);
surfaceLayerPtr->setForceRenderSurface(true); // This will cause it to have a surface
// Child of the surface layer will produce some quads
addDrawingLayerTo(surfaceLayerPtr, 4, gfx::Rect(5, 5, rootSize.width() - 25, rootSize.height() - 25), &childPtr);
}
class GLRendererWithReleaseTextures : public GLRenderer {
public:
using GLRenderer::releaseRenderPassTextures;
};
TEST_P(LayerTreeHostImplTest, textureCachingWithClipping)
{
LayerTreeSettings settings;
settings.minimumOcclusionTrackingSize = gfx::Size();
settings.partialSwapEnabled = true;
scoped_ptr<LayerTreeHostImpl> myHostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
LayerImpl* rootPtr;
LayerImpl* surfaceLayerPtr;
scoped_ptr<GraphicsContext> context = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new PartialSwapContext)).PassAs<GraphicsContext>();
gfx::Size rootSize(100, 100);
myHostImpl->initializeRenderer(context.Pass());
myHostImpl->setViewportSize(gfx::Size(rootSize.width(), rootSize.height()), gfx::Size(rootSize.width(), rootSize.height()));
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
rootPtr = root.get();
root->setAnchorPoint(gfx::PointF(0, 0));
root->setPosition(gfx::PointF(0, 0));
root->setBounds(rootSize);
root->setContentBounds(rootSize);
root->setDrawsContent(true);
root->setMasksToBounds(true);
myHostImpl->setRootLayer(root.Pass());
addDrawingLayerTo(rootPtr, 3, gfx::Rect(0, 0, rootSize.width(), rootSize.height()), &surfaceLayerPtr);
surfaceLayerPtr->setDrawsContent(false);
// Surface layer is the layer that changes its opacity
// It will contain other layers that draw content.
surfaceLayerPtr->setOpacity(0.5f);
surfaceLayerPtr->setForceRenderSurface(true); // This will cause it to have a surface
addDrawingLayerTo(surfaceLayerPtr, 4, gfx::Rect(0, 0, 100, 3), 0);
addDrawingLayerTo(surfaceLayerPtr, 5, gfx::Rect(0, 97, 100, 3), 0);
// Rotation will put part of the child ouside the bounds of the root layer.
// Nevertheless, the child layers should be drawn.
gfx::Transform transform = surfaceLayerPtr->transform();
transform.Translate(50, 50);
transform.Rotate(35);
transform.Translate(-50, -50);
surfaceLayerPtr->setTransform(transform);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive two render passes, each with one quad
ASSERT_EQ(2U, frame.renderPasses.size());
EXPECT_EQ(2U, frame.renderPasses[0]->quad_list.size());
ASSERT_EQ(1U, frame.renderPasses[1]->quad_list.size());
// Verify that the child layers are being clipped.
gfx::Rect quadVisibleRect = frame.renderPasses[0]->quad_list[0]->visible_rect;
EXPECT_LT(quadVisibleRect.width(), 100);
quadVisibleRect = frame.renderPasses[0]->quad_list[1]->visible_rect;
EXPECT_LT(quadVisibleRect.width(), 100);
// Verify that the render surface texture is *not* clipped.
EXPECT_RECT_EQ(gfx::Rect(0, 0, 100, 100), frame.renderPasses[0]->output_rect);
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[1]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[1]->quad_list[0]);
EXPECT_FALSE(quad->contents_changed_since_last_frame.IsEmpty());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
transform = surfaceLayerPtr->transform();
transform.Translate(50, 50);
transform.Rotate(-35);
transform.Translate(-50, -50);
surfaceLayerPtr->setTransform(transform);
// The surface is now aligned again, and the clipped parts are exposed.
// Since the layers were clipped, even though the render surface size
// was not changed, the texture should not be saved.
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive two render passes, each with one quad
ASSERT_EQ(2U, frame.renderPasses.size());
EXPECT_EQ(2U, frame.renderPasses[0]->quad_list.size());
ASSERT_EQ(1U, frame.renderPasses[1]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
}
TEST_P(LayerTreeHostImplTest, textureCachingWithOcclusion)
{
LayerTreeSettings settings;
settings.minimumOcclusionTrackingSize = gfx::Size();
scoped_ptr<LayerTreeHostImpl> myHostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
// Layers are structure as follows:
//
// R +-- S1 +- L10 (owning)
// | +- L11
// | +- L12
// |
// +-- S2 +- L20 (owning)
// +- L21
//
// Occlusion:
// L12 occludes L11 (internal)
// L20 occludes L10 (external)
// L21 occludes L20 (internal)
LayerImpl* rootPtr;
LayerImpl* layerS1Ptr;
LayerImpl* layerS2Ptr;
scoped_ptr<GraphicsContext> context = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new PartialSwapContext)).PassAs<GraphicsContext>();
gfx::Size rootSize(1000, 1000);
myHostImpl->initializeRenderer(context.Pass());
myHostImpl->setViewportSize(gfx::Size(rootSize.width(), rootSize.height()), gfx::Size(rootSize.width(), rootSize.height()));
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
rootPtr = root.get();
root->setAnchorPoint(gfx::PointF(0, 0));
root->setPosition(gfx::PointF(0, 0));
root->setBounds(rootSize);
root->setContentBounds(rootSize);
root->setDrawsContent(true);
root->setMasksToBounds(true);
myHostImpl->setRootLayer(root.Pass());
addDrawingLayerTo(rootPtr, 2, gfx::Rect(300, 300, 300, 300), &layerS1Ptr);
layerS1Ptr->setForceRenderSurface(true);
addDrawingLayerTo(layerS1Ptr, 3, gfx::Rect(10, 10, 10, 10), 0); // L11
addDrawingLayerTo(layerS1Ptr, 4, gfx::Rect(0, 0, 30, 30), 0); // L12
addDrawingLayerTo(rootPtr, 5, gfx::Rect(550, 250, 300, 400), &layerS2Ptr);
layerS2Ptr->setForceRenderSurface(true);
addDrawingLayerTo(layerS2Ptr, 6, gfx::Rect(20, 20, 5, 5), 0); // L21
// Initial draw - must receive all quads
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive 3 render passes.
// For Root, there are 2 quads; for S1, there are 2 quads (1 is occluded); for S2, there is 2 quads.
ASSERT_EQ(3U, frame.renderPasses.size());
EXPECT_EQ(2U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(2U, frame.renderPasses[1]->quad_list.size());
EXPECT_EQ(2U, frame.renderPasses[2]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// "Unocclude" surface S1 and repeat draw.
// Must remove S2's render pass since it's cached;
// Must keep S1 quads because texture contained external occlusion.
gfx::Transform transform = layerS2Ptr->transform();
transform.Translate(150, 150);
layerS2Ptr->setTransform(transform);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive 2 render passes.
// For Root, there are 2 quads
// For S1, the number of quads depends on what got unoccluded, so not asserted beyond being positive.
// For S2, there is no render pass
ASSERT_EQ(2U, frame.renderPasses.size());
EXPECT_GT(frame.renderPasses[0]->quad_list.size(), 0U);
EXPECT_EQ(2U, frame.renderPasses[1]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// "Re-occlude" surface S1 and repeat draw.
// Must remove S1's render pass since it is now available in full.
// S2 has no change so must also be removed.
transform = layerS2Ptr->transform();
transform.Translate(-15, -15);
layerS2Ptr->setTransform(transform);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive 1 render pass - for the root.
ASSERT_EQ(1U, frame.renderPasses.size());
EXPECT_EQ(2U, frame.renderPasses[0]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
}
TEST_P(LayerTreeHostImplTest, textureCachingWithOcclusionEarlyOut)
{
LayerTreeSettings settings;
settings.minimumOcclusionTrackingSize = gfx::Size();
scoped_ptr<LayerTreeHostImpl> myHostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
// Layers are structure as follows:
//
// R +-- S1 +- L10 (owning, non drawing)
// | +- L11 (corner, unoccluded)
// | +- L12 (corner, unoccluded)
// | +- L13 (corner, unoccluded)
// | +- L14 (corner, entirely occluded)
// |
// +-- S2 +- L20 (owning, drawing)
//
LayerImpl* rootPtr;
LayerImpl* layerS1Ptr;
LayerImpl* layerS2Ptr;
scoped_ptr<GraphicsContext> context = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new PartialSwapContext)).PassAs<GraphicsContext>();
gfx::Size rootSize(1000, 1000);
myHostImpl->initializeRenderer(context.Pass());
myHostImpl->setViewportSize(gfx::Size(rootSize.width(), rootSize.height()), gfx::Size(rootSize.width(), rootSize.height()));
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
rootPtr = root.get();
root->setAnchorPoint(gfx::PointF(0, 0));
root->setPosition(gfx::PointF(0, 0));
root->setBounds(rootSize);
root->setContentBounds(rootSize);
root->setDrawsContent(true);
root->setMasksToBounds(true);
myHostImpl->setRootLayer(root.Pass());
addDrawingLayerTo(rootPtr, 2, gfx::Rect(0, 0, 800, 800), &layerS1Ptr);
layerS1Ptr->setForceRenderSurface(true);
layerS1Ptr->setDrawsContent(false);
addDrawingLayerTo(layerS1Ptr, 3, gfx::Rect(0, 0, 300, 300), 0); // L11
addDrawingLayerTo(layerS1Ptr, 4, gfx::Rect(0, 500, 300, 300), 0); // L12
addDrawingLayerTo(layerS1Ptr, 5, gfx::Rect(500, 0, 300, 300), 0); // L13
addDrawingLayerTo(layerS1Ptr, 6, gfx::Rect(500, 500, 300, 300), 0); // L14
addDrawingLayerTo(layerS1Ptr, 9, gfx::Rect(500, 500, 300, 300), 0); // L14
addDrawingLayerTo(rootPtr, 7, gfx::Rect(450, 450, 450, 450), &layerS2Ptr);
layerS2Ptr->setForceRenderSurface(true);
// Initial draw - must receive all quads
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive 3 render passes.
// For Root, there are 2 quads; for S1, there are 3 quads; for S2, there is 1 quad.
ASSERT_EQ(3U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
// L14 is culled, so only 3 quads.
EXPECT_EQ(3U, frame.renderPasses[1]->quad_list.size());
EXPECT_EQ(2U, frame.renderPasses[2]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// "Unocclude" surface S1 and repeat draw.
// Must remove S2's render pass since it's cached;
// Must keep S1 quads because texture contained external occlusion.
gfx::Transform transform = layerS2Ptr->transform();
transform.Translate(100, 100);
layerS2Ptr->setTransform(transform);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive 2 render passes.
// For Root, there are 2 quads
// For S1, the number of quads depends on what got unoccluded, so not asserted beyond being positive.
// For S2, there is no render pass
ASSERT_EQ(2U, frame.renderPasses.size());
EXPECT_GT(frame.renderPasses[0]->quad_list.size(), 0U);
EXPECT_EQ(2U, frame.renderPasses[1]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// "Re-occlude" surface S1 and repeat draw.
// Must remove S1's render pass since it is now available in full.
// S2 has no change so must also be removed.
transform = layerS2Ptr->transform();
transform.Translate(-15, -15);
layerS2Ptr->setTransform(transform);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive 1 render pass - for the root.
ASSERT_EQ(1U, frame.renderPasses.size());
EXPECT_EQ(2U, frame.renderPasses[0]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
}
TEST_P(LayerTreeHostImplTest, textureCachingWithOcclusionExternalOverInternal)
{
LayerTreeSettings settings;
settings.minimumOcclusionTrackingSize = gfx::Size();
scoped_ptr<LayerTreeHostImpl> myHostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
// Layers are structured as follows:
//
// R +-- S1 +- L10 (owning, drawing)
// | +- L11 (corner, occluded by L12)
// | +- L12 (opposite corner)
// |
// +-- S2 +- L20 (owning, drawing)
//
LayerImpl* rootPtr;
LayerImpl* layerS1Ptr;
LayerImpl* layerS2Ptr;
scoped_ptr<GraphicsContext> context = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new PartialSwapContext)).PassAs<GraphicsContext>();
gfx::Size rootSize(1000, 1000);
myHostImpl->initializeRenderer(context.Pass());
myHostImpl->setViewportSize(gfx::Size(rootSize.width(), rootSize.height()), gfx::Size(rootSize.width(), rootSize.height()));
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
rootPtr = root.get();
root->setAnchorPoint(gfx::PointF(0, 0));
root->setPosition(gfx::PointF(0, 0));
root->setBounds(rootSize);
root->setContentBounds(rootSize);
root->setDrawsContent(true);
root->setMasksToBounds(true);
myHostImpl->setRootLayer(root.Pass());
addDrawingLayerTo(rootPtr, 2, gfx::Rect(0, 0, 400, 400), &layerS1Ptr);
layerS1Ptr->setForceRenderSurface(true);
addDrawingLayerTo(layerS1Ptr, 3, gfx::Rect(0, 0, 300, 300), 0); // L11
addDrawingLayerTo(layerS1Ptr, 4, gfx::Rect(100, 0, 300, 300), 0); // L12
addDrawingLayerTo(rootPtr, 7, gfx::Rect(200, 0, 300, 300), &layerS2Ptr);
layerS2Ptr->setForceRenderSurface(true);
// Initial draw - must receive all quads
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive 3 render passes.
// For Root, there are 2 quads; for S1, there are 3 quads; for S2, there is 1 quad.
ASSERT_EQ(3U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(3U, frame.renderPasses[1]->quad_list.size());
EXPECT_EQ(2U, frame.renderPasses[2]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// "Unocclude" surface S1 and repeat draw.
// Must remove S2's render pass since it's cached;
// Must keep S1 quads because texture contained external occlusion.
gfx::Transform transform = layerS2Ptr->transform();
transform.Translate(300, 0);
layerS2Ptr->setTransform(transform);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive 2 render passes.
// For Root, there are 2 quads
// For S1, the number of quads depends on what got unoccluded, so not asserted beyond being positive.
// For S2, there is no render pass
ASSERT_EQ(2U, frame.renderPasses.size());
EXPECT_GT(frame.renderPasses[0]->quad_list.size(), 0U);
EXPECT_EQ(2U, frame.renderPasses[1]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
}
TEST_P(LayerTreeHostImplTest, textureCachingWithOcclusionExternalNotAligned)
{
LayerTreeSettings settings;
scoped_ptr<LayerTreeHostImpl> myHostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
// Layers are structured as follows:
//
// R +-- S1 +- L10 (rotated, drawing)
// +- L11 (occupies half surface)
LayerImpl* rootPtr;
LayerImpl* layerS1Ptr;
scoped_ptr<GraphicsContext> context = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new PartialSwapContext)).PassAs<GraphicsContext>();
gfx::Size rootSize(1000, 1000);
myHostImpl->initializeRenderer(context.Pass());
myHostImpl->setViewportSize(gfx::Size(rootSize.width(), rootSize.height()), gfx::Size(rootSize.width(), rootSize.height()));
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
rootPtr = root.get();
root->setAnchorPoint(gfx::PointF(0, 0));
root->setPosition(gfx::PointF(0, 0));
root->setBounds(rootSize);
root->setContentBounds(rootSize);
root->setDrawsContent(true);
root->setMasksToBounds(true);
myHostImpl->setRootLayer(root.Pass());
addDrawingLayerTo(rootPtr, 2, gfx::Rect(0, 0, 400, 400), &layerS1Ptr);
layerS1Ptr->setForceRenderSurface(true);
gfx::Transform transform = layerS1Ptr->transform();
transform.Translate(200, 200);
transform.Rotate(45);
transform.Translate(-200, -200);
layerS1Ptr->setTransform(transform);
addDrawingLayerTo(layerS1Ptr, 3, gfx::Rect(200, 0, 200, 400), 0); // L11
// Initial draw - must receive all quads
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive 2 render passes.
ASSERT_EQ(2U, frame.renderPasses.size());
EXPECT_EQ(2U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(1U, frame.renderPasses[1]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Change opacity and draw. Verify we used cached texture.
layerS1Ptr->setOpacity(0.2f);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// One render pass must be gone due to cached texture.
ASSERT_EQ(1U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
}
TEST_P(LayerTreeHostImplTest, textureCachingWithOcclusionPartialSwap)
{
LayerTreeSettings settings;
settings.minimumOcclusionTrackingSize = gfx::Size();
settings.partialSwapEnabled = true;
scoped_ptr<LayerTreeHostImpl> myHostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
// Layers are structure as follows:
//
// R +-- S1 +- L10 (owning)
// | +- L11
// | +- L12
// |
// +-- S2 +- L20 (owning)
// +- L21
//
// Occlusion:
// L12 occludes L11 (internal)
// L20 occludes L10 (external)
// L21 occludes L20 (internal)
LayerImpl* rootPtr;
LayerImpl* layerS1Ptr;
LayerImpl* layerS2Ptr;
scoped_ptr<GraphicsContext> context = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new PartialSwapContext)).PassAs<GraphicsContext>();
gfx::Size rootSize(1000, 1000);
myHostImpl->initializeRenderer(context.Pass());
myHostImpl->setViewportSize(gfx::Size(rootSize.width(), rootSize.height()), gfx::Size(rootSize.width(), rootSize.height()));
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
rootPtr = root.get();
root->setAnchorPoint(gfx::PointF(0, 0));
root->setPosition(gfx::PointF(0, 0));
root->setBounds(rootSize);
root->setContentBounds(rootSize);
root->setDrawsContent(true);
root->setMasksToBounds(true);
myHostImpl->setRootLayer(root.Pass());
addDrawingLayerTo(rootPtr, 2, gfx::Rect(300, 300, 300, 300), &layerS1Ptr);
layerS1Ptr->setForceRenderSurface(true);
addDrawingLayerTo(layerS1Ptr, 3, gfx::Rect(10, 10, 10, 10), 0); // L11
addDrawingLayerTo(layerS1Ptr, 4, gfx::Rect(0, 0, 30, 30), 0); // L12
addDrawingLayerTo(rootPtr, 5, gfx::Rect(550, 250, 300, 400), &layerS2Ptr);
layerS2Ptr->setForceRenderSurface(true);
addDrawingLayerTo(layerS2Ptr, 6, gfx::Rect(20, 20, 5, 5), 0); // L21
// Initial draw - must receive all quads
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive 3 render passes.
// For Root, there are 2 quads; for S1, there are 2 quads (one is occluded); for S2, there is 2 quads.
ASSERT_EQ(3U, frame.renderPasses.size());
EXPECT_EQ(2U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(2U, frame.renderPasses[1]->quad_list.size());
EXPECT_EQ(2U, frame.renderPasses[2]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// "Unocclude" surface S1 and repeat draw.
// Must remove S2's render pass since it's cached;
// Must keep S1 quads because texture contained external occlusion.
gfx::Transform transform = layerS2Ptr->transform();
transform.Translate(150, 150);
layerS2Ptr->setTransform(transform);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive 2 render passes.
// For Root, there are 2 quads.
// For S1, there are 2 quads.
// For S2, there is no render pass
ASSERT_EQ(2U, frame.renderPasses.size());
EXPECT_EQ(2U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(2U, frame.renderPasses[1]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// "Re-occlude" surface S1 and repeat draw.
// Must remove S1's render pass since it is now available in full.
// S2 has no change so must also be removed.
transform = layerS2Ptr->transform();
transform.Translate(-15, -15);
layerS2Ptr->setTransform(transform);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Root render pass only.
ASSERT_EQ(1U, frame.renderPasses.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
}
TEST_P(LayerTreeHostImplTest, textureCachingWithScissor)
{
LayerTreeSettings settings;
settings.minimumOcclusionTrackingSize = gfx::Size();
scoped_ptr<LayerTreeHostImpl> myHostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
/*
Layers are created as follows:
+--------------------+
| 1 |
| +-----------+ |
| | 2 | |
| | +-------------------+
| | | 3 |
| | +-------------------+
| | | |
| +-----------+ |
| |
| |
+--------------------+
Layers 1, 2 have render surfaces
*/
scoped_ptr<LayerImpl> root = LayerImpl::create(1);
scoped_ptr<TiledLayerImpl> child = TiledLayerImpl::create(2);
scoped_ptr<LayerImpl> grandChild = LayerImpl::create(3);
gfx::Rect rootRect(0, 0, 100, 100);
gfx::Rect childRect(10, 10, 50, 50);
gfx::Rect grandChildRect(5, 5, 150, 150);
scoped_ptr<GraphicsContext> context = FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new PartialSwapContext)).PassAs<GraphicsContext>();
myHostImpl->initializeRenderer(context.Pass());
root->setAnchorPoint(gfx::PointF(0, 0));
root->setPosition(gfx::PointF(rootRect.x(), rootRect.y()));
root->setBounds(gfx::Size(rootRect.width(), rootRect.height()));
root->setContentBounds(root->bounds());
root->setDrawsContent(true);
root->setMasksToBounds(true);
child->setAnchorPoint(gfx::PointF(0, 0));
child->setPosition(gfx::PointF(childRect.x(), childRect.y()));
child->setOpacity(0.5);
child->setBounds(gfx::Size(childRect.width(), childRect.height()));
child->setContentBounds(child->bounds());
child->setDrawsContent(true);
child->setSkipsDraw(false);
// child layer has 10x10 tiles.
scoped_ptr<LayerTilingData> tiler = LayerTilingData::create(gfx::Size(10, 10), LayerTilingData::HasBorderTexels);
tiler->setBounds(child->contentBounds());
child->setTilingData(*tiler.get());
grandChild->setAnchorPoint(gfx::PointF(0, 0));
grandChild->setPosition(gfx::Point(grandChildRect.x(), grandChildRect.y()));
grandChild->setBounds(gfx::Size(grandChildRect.width(), grandChildRect.height()));
grandChild->setContentBounds(grandChild->bounds());
grandChild->setDrawsContent(true);
TiledLayerImpl* childPtr = child.get();
RenderPass::Id childPassId(childPtr->id(), 0);
child->addChild(grandChild.Pass());
root->addChild(child.PassAs<LayerImpl>());
myHostImpl->setRootLayer(root.Pass());
myHostImpl->setViewportSize(rootRect.size(), rootRect.size());
EXPECT_FALSE(myHostImpl->renderer()->haveCachedResourcesForRenderPassId(childPassId));
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// We should have cached textures for surface 2.
EXPECT_TRUE(myHostImpl->renderer()->haveCachedResourcesForRenderPassId(childPassId));
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// We should still have cached textures for surface 2 after drawing with no damage.
EXPECT_TRUE(myHostImpl->renderer()->haveCachedResourcesForRenderPassId(childPassId));
// Damage a single tile of surface 2.
childPtr->setUpdateRect(gfx::Rect(10, 10, 10, 10));
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// We should have a cached texture for surface 2 again even though it was damaged.
EXPECT_TRUE(myHostImpl->renderer()->haveCachedResourcesForRenderPassId(childPassId));
}
TEST_P(LayerTreeHostImplTest, surfaceTextureCaching)
{
LayerTreeSettings settings;
settings.minimumOcclusionTrackingSize = gfx::Size();
settings.partialSwapEnabled = true;
scoped_ptr<LayerTreeHostImpl> myHostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
LayerImpl* rootPtr;
LayerImpl* intermediateLayerPtr;
LayerImpl* surfaceLayerPtr;
LayerImpl* childPtr;
setupLayersForTextureCaching(myHostImpl.get(), rootPtr, intermediateLayerPtr, surfaceLayerPtr, childPtr, gfx::Size(100, 100));
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive two render passes, each with one quad
ASSERT_EQ(2U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(1U, frame.renderPasses[1]->quad_list.size());
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[1]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[1]->quad_list[0]);
RenderPass* targetPass = frame.renderPassesById.get(quad->render_pass_id);
EXPECT_FALSE(targetPass->damage_rect.IsEmpty());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Draw without any change
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive one render pass, as the other one should be culled
ASSERT_EQ(1U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[0]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[0]->quad_list[0]);
RenderPass* targetPass = frame.renderPassesById.get(quad->render_pass_id);
EXPECT_TRUE(targetPass->damage_rect.IsEmpty());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Change opacity and draw
surfaceLayerPtr->setOpacity(0.6f);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive one render pass, as the other one should be culled
ASSERT_EQ(1U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[0]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[0]->quad_list[0]);
RenderPass* targetPass = frame.renderPassesById.get(quad->render_pass_id);
EXPECT_TRUE(targetPass->damage_rect.IsEmpty());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Change less benign property and draw - should have contents changed flag
surfaceLayerPtr->setStackingOrderChanged(true);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive two render passes, each with one quad
ASSERT_EQ(2U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(DrawQuad::SOLID_COLOR, frame.renderPasses[0]->quad_list[0]->material);
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[1]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[1]->quad_list[0]);
RenderPass* targetPass = frame.renderPassesById.get(quad->render_pass_id);
EXPECT_FALSE(targetPass->damage_rect.IsEmpty());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Change opacity again, and evict the cached surface texture.
surfaceLayerPtr->setOpacity(0.5f);
static_cast<GLRendererWithReleaseTextures*>(myHostImpl->renderer())->releaseRenderPassTextures();
// Change opacity and draw
surfaceLayerPtr->setOpacity(0.6f);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive two render passes
ASSERT_EQ(2U, frame.renderPasses.size());
// Even though not enough properties changed, the entire thing must be
// redrawn as we don't have cached textures
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(1U, frame.renderPasses[1]->quad_list.size());
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[1]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[1]->quad_list[0]);
RenderPass* targetPass = frame.renderPassesById.get(quad->render_pass_id);
EXPECT_TRUE(targetPass->damage_rect.IsEmpty());
// Was our surface evicted?
EXPECT_FALSE(myHostImpl->renderer()->haveCachedResourcesForRenderPassId(targetPass->id));
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Draw without any change, to make sure the state is clear
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive one render pass, as the other one should be culled
ASSERT_EQ(1U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[0]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[0]->quad_list[0]);
RenderPass* targetPass = frame.renderPassesById.get(quad->render_pass_id);
EXPECT_TRUE(targetPass->damage_rect.IsEmpty());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Change location of the intermediate layer
gfx::Transform transform = intermediateLayerPtr->transform();
transform.matrix().setDouble(0, 3, 1.0001);
intermediateLayerPtr->setTransform(transform);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive one render pass, as the other one should be culled.
ASSERT_EQ(1U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[0]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[0]->quad_list[0]);
RenderPass* targetPass = frame.renderPassesById.get(quad->render_pass_id);
EXPECT_TRUE(targetPass->damage_rect.IsEmpty());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
}
TEST_P(LayerTreeHostImplTest, surfaceTextureCachingNoPartialSwap)
{
LayerTreeSettings settings;
settings.minimumOcclusionTrackingSize = gfx::Size();
scoped_ptr<LayerTreeHostImpl> myHostImpl = LayerTreeHostImpl::create(settings, this, &m_proxy);
LayerImpl* rootPtr;
LayerImpl* intermediateLayerPtr;
LayerImpl* surfaceLayerPtr;
LayerImpl* childPtr;
setupLayersForTextureCaching(myHostImpl.get(), rootPtr, intermediateLayerPtr, surfaceLayerPtr, childPtr, gfx::Size(100, 100));
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive two render passes, each with one quad
ASSERT_EQ(2U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(1U, frame.renderPasses[1]->quad_list.size());
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[1]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[1]->quad_list[0]);
RenderPass* targetPass = frame.renderPassesById.get(quad->render_pass_id);
EXPECT_FALSE(targetPass->damage_rect.IsEmpty());
EXPECT_FALSE(frame.renderPasses[0]->damage_rect.IsEmpty());
EXPECT_FALSE(frame.renderPasses[1]->damage_rect.IsEmpty());
EXPECT_FALSE(frame.renderPasses[0]->has_occlusion_from_outside_target_surface);
EXPECT_FALSE(frame.renderPasses[1]->has_occlusion_from_outside_target_surface);
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Draw without any change
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Even though there was no change, we set the damage to entire viewport.
// One of the passes should be culled as a result, since contents didn't change
// and we have cached texture.
ASSERT_EQ(1U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_TRUE(frame.renderPasses[0]->damage_rect.IsEmpty());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Change opacity and draw
surfaceLayerPtr->setOpacity(0.6f);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive one render pass, as the other one should be culled
ASSERT_EQ(1U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[0]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[0]->quad_list[0]);
RenderPass* targetPass = frame.renderPassesById.get(quad->render_pass_id);
EXPECT_TRUE(targetPass->damage_rect.IsEmpty());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Change less benign property and draw - should have contents changed flag
surfaceLayerPtr->setStackingOrderChanged(true);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive two render passes, each with one quad
ASSERT_EQ(2U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(DrawQuad::SOLID_COLOR, frame.renderPasses[0]->quad_list[0]->material);
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[1]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[1]->quad_list[0]);
RenderPass* targetPass = frame.renderPassesById.get(quad->render_pass_id);
EXPECT_FALSE(targetPass->damage_rect.IsEmpty());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Change opacity again, and evict the cached surface texture.
surfaceLayerPtr->setOpacity(0.5f);
static_cast<GLRendererWithReleaseTextures*>(myHostImpl->renderer())->releaseRenderPassTextures();
// Change opacity and draw
surfaceLayerPtr->setOpacity(0.6f);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive two render passes
ASSERT_EQ(2U, frame.renderPasses.size());
// Even though not enough properties changed, the entire thing must be
// redrawn as we don't have cached textures
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(1U, frame.renderPasses[1]->quad_list.size());
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[1]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[1]->quad_list[0]);
RenderPass* targetPass = frame.renderPassesById.get(quad->render_pass_id);
EXPECT_TRUE(targetPass->damage_rect.IsEmpty());
// Was our surface evicted?
EXPECT_FALSE(myHostImpl->renderer()->haveCachedResourcesForRenderPassId(targetPass->id));
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Draw without any change, to make sure the state is clear
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Even though there was no change, we set the damage to entire viewport.
// One of the passes should be culled as a result, since contents didn't change
// and we have cached texture.
ASSERT_EQ(1U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
// Change location of the intermediate layer
gfx::Transform transform = intermediateLayerPtr->transform();
transform.matrix().setDouble(0, 3, 1.0001);
intermediateLayerPtr->setTransform(transform);
{
LayerTreeHostImpl::FrameData frame;
EXPECT_TRUE(myHostImpl->prepareToDraw(frame));
// Must receive one render pass, as the other one should be culled.
ASSERT_EQ(1U, frame.renderPasses.size());
EXPECT_EQ(1U, frame.renderPasses[0]->quad_list.size());
EXPECT_EQ(DrawQuad::RENDER_PASS, frame.renderPasses[0]->quad_list[0]->material);
const RenderPassDrawQuad* quad = RenderPassDrawQuad::MaterialCast(frame.renderPasses[0]->quad_list[0]);
RenderPass* targetPass = frame.renderPassesById.get(quad->render_pass_id);
EXPECT_TRUE(targetPass->damage_rect.IsEmpty());
myHostImpl->drawLayers(frame);
myHostImpl->didDrawAllLayers(frame);
}
}
TEST_P(LayerTreeHostImplTest, releaseContentsTextureShouldTriggerCommit)
{
setReduceMemoryResult(false);
// Even if changing the memory limit didn't result in anything being
// evicted, we need to re-commit because the new value may result in us
// drawing something different than before.
setReduceMemoryResult(false);
m_hostImpl->setManagedMemoryPolicy(ManagedMemoryPolicy(
m_hostImpl->memoryAllocationLimitBytes() - 1));
EXPECT_TRUE(m_didRequestCommit);
m_didRequestCommit = false;
// Especially if changing the memory limit caused evictions, we need
// to re-commit.
setReduceMemoryResult(true);
m_hostImpl->setManagedMemoryPolicy(ManagedMemoryPolicy(
m_hostImpl->memoryAllocationLimitBytes() - 1));
EXPECT_TRUE(m_didRequestCommit);
m_didRequestCommit = false;
// But if we set it to the same value that it was before, we shouldn't
// re-commit.
m_hostImpl->setManagedMemoryPolicy(ManagedMemoryPolicy(
m_hostImpl->memoryAllocationLimitBytes()));
EXPECT_FALSE(m_didRequestCommit);
}
struct RenderPassRemovalTestData : public LayerTreeHostImpl::FrameData {
ScopedPtrHashMap<RenderPass::Id, TestRenderPass> renderPassCache;
scoped_ptr<SharedQuadState> sharedQuadState;
};
class TestRenderer : public GLRenderer, public RendererClient {
public:
static scoped_ptr<TestRenderer> create(ResourceProvider* resourceProvider, Proxy* proxy)
{
scoped_ptr<TestRenderer> renderer(new TestRenderer(resourceProvider, proxy));
if (!renderer->initialize())
return scoped_ptr<TestRenderer>();
return renderer.Pass();
}
void clearCachedTextures() { m_textures.clear(); }
void setHaveCachedResourcesForRenderPassId(RenderPass::Id id) { m_textures.insert(id); }
virtual bool haveCachedResourcesForRenderPassId(RenderPass::Id id) const OVERRIDE { return m_textures.count(id); }
// RendererClient implementation.
virtual const gfx::Size& deviceViewportSize() const OVERRIDE { return m_viewportSize; }
virtual const LayerTreeSettings& settings() const OVERRIDE { return m_settings; }
virtual void didLoseContext() OVERRIDE { }
virtual void onSwapBuffersComplete() OVERRIDE { }
virtual void setFullRootLayerDamage() OVERRIDE { }
virtual void setManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE { }
virtual void enforceManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE { }
virtual bool hasImplThread() const OVERRIDE { return false; }
protected:
TestRenderer(ResourceProvider* resourceProvider, Proxy* proxy) : GLRenderer(this, resourceProvider) { }
private:
LayerTreeSettings m_settings;
gfx::Size m_viewportSize;
base::hash_set<RenderPass::Id> m_textures;
};
static void configureRenderPassTestData(const char* testScript, RenderPassRemovalTestData& testData, TestRenderer* renderer)
{
renderer->clearCachedTextures();
// One shared state for all quads - we don't need the correct details
testData.sharedQuadState = SharedQuadState::Create();
testData.sharedQuadState->SetAll(gfx::Transform(), gfx::Rect(), gfx::Rect(), gfx::Rect(), false, 1.0);
const char* currentChar = testScript;
// Pre-create root pass
RenderPass::Id rootRenderPassId = RenderPass::Id(testScript[0], testScript[1]);
scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
pass->SetNew(rootRenderPassId, gfx::Rect(), gfx::Rect(), gfx::Transform());
testData.renderPassCache.add(rootRenderPassId, pass.Pass());
while (*currentChar) {
int layerId = *currentChar;
currentChar++;
ASSERT_TRUE(currentChar);
int index = *currentChar;
currentChar++;
RenderPass::Id renderPassId = RenderPass::Id(layerId, index);
bool isReplica = false;
if (!testData.renderPassCache.contains(renderPassId))
isReplica = true;
scoped_ptr<TestRenderPass> renderPass = testData.renderPassCache.take(renderPassId);
// Cycle through quad data and create all quads
while (*currentChar && *currentChar != '\n') {
if (*currentChar == 's') {
// Solid color draw quad
scoped_ptr<SolidColorDrawQuad> quad = SolidColorDrawQuad::Create();
quad->SetNew(testData.sharedQuadState.get(), gfx::Rect(0, 0, 10, 10), SK_ColorWHITE);
renderPass->AppendQuad(quad.PassAs<DrawQuad>());
currentChar++;
} else if ((*currentChar >= 'A') && (*currentChar <= 'Z')) {
// RenderPass draw quad
int layerId = *currentChar;
currentChar++;
ASSERT_TRUE(currentChar);
int index = *currentChar;
currentChar++;
RenderPass::Id newRenderPassId = RenderPass::Id(layerId, index);
ASSERT_NE(rootRenderPassId, newRenderPassId);
bool hasTexture = false;
bool contentsChanged = true;
if (*currentChar == '[') {
currentChar++;
while (*currentChar && *currentChar != ']') {
switch (*currentChar) {
case 'c':
contentsChanged = false;
break;
case 't':
hasTexture = true;
break;
}
currentChar++;
}
if (*currentChar == ']')
currentChar++;
}
if (testData.renderPassCache.find(newRenderPassId) == testData.renderPassCache.end()) {
if (hasTexture)
renderer->setHaveCachedResourcesForRenderPassId(newRenderPassId);
scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
pass->SetNew(newRenderPassId, gfx::Rect(), gfx::Rect(), gfx::Transform());
testData.renderPassCache.add(newRenderPassId, pass.Pass());
}
gfx::Rect quadRect = gfx::Rect(0, 0, 1, 1);
gfx::Rect contentsChangedRect = contentsChanged ? quadRect : gfx::Rect();
scoped_ptr<RenderPassDrawQuad> quad = RenderPassDrawQuad::Create();
quad->SetNew(testData.sharedQuadState.get(), quadRect, newRenderPassId, isReplica, 1, contentsChangedRect, 1, 1, 0, 0);
renderPass->AppendQuad(quad.PassAs<DrawQuad>());
}
}
testData.renderPasses.insert(testData.renderPasses.begin(), renderPass.get());
testData.renderPassesById.add(renderPassId, renderPass.PassAs<RenderPass>());
if (*currentChar)
currentChar++;
}
}
void dumpRenderPassTestData(const RenderPassRemovalTestData& testData, char* buffer)
{
char* pos = buffer;
for (RenderPassList::const_reverse_iterator it = testData.renderPasses.rbegin(); it != testData.renderPasses.rend(); ++it) {
const RenderPass* currentPass = *it;
*pos = currentPass->id.layer_id;
pos++;
*pos = currentPass->id.index;
pos++;
QuadList::const_iterator quadListIterator = currentPass->quad_list.begin();
while (quadListIterator != currentPass->quad_list.end()) {
DrawQuad* currentQuad = *quadListIterator;
switch (currentQuad->material) {
case DrawQuad::SOLID_COLOR:
*pos = 's';
pos++;
break;
case DrawQuad::RENDER_PASS:
*pos = RenderPassDrawQuad::MaterialCast(currentQuad)->render_pass_id.layer_id;
pos++;
*pos = RenderPassDrawQuad::MaterialCast(currentQuad)->render_pass_id.index;
pos++;
break;
default:
*pos = 'x';
pos++;
break;
}
quadListIterator++;
}
*pos = '\n';
pos++;
}
*pos = '\0';
}
// Each RenderPassList is represented by a string which describes the configuration.
// The syntax of the string is as follows:
//
// RsssssX[c]ssYsssZ[t]ssW[ct]
// Identifies the render pass---------------------------^ ^^^ ^ ^ ^ ^ ^
// These are solid color quads-----------------------------+ | | | | |
// Identifies RenderPassDrawQuad's RenderPass-----------------+ | | | |
// This quad's contents didn't change---------------------------+ | | |
// This quad's contents changed and it has no texture---------------+ | |
// This quad has texture but its contents changed-------------------------+ |
// This quad's contents didn't change and it has texture - will be removed------+
//
// Expected results have exactly the same syntax, except they do not use square brackets,
// since we only check the structure, not attributes.
//
// Test case configuration consists of initialization script and expected results,
// all in the same format.
struct TestCase {
const char* name;
const char* initScript;
const char* expectedResult;
};
TestCase removeRenderPassesCases[] =
{
{
"Single root pass",
"R0ssss\n",
"R0ssss\n"
}, {
"Single pass - no quads",
"R0\n",
"R0\n"
}, {
"Two passes, no removal",
"R0ssssA0sss\n"
"A0ssss\n",
"R0ssssA0sss\n"
"A0ssss\n"
}, {
"Two passes, remove last",
"R0ssssA0[ct]sss\n"
"A0ssss\n",
"R0ssssA0sss\n"
}, {
"Have texture but contents changed - leave pass",
"R0ssssA0[t]sss\n"
"A0ssss\n",
"R0ssssA0sss\n"
"A0ssss\n"
}, {
"Contents didn't change but no texture - leave pass",
"R0ssssA0[c]sss\n"
"A0ssss\n",
"R0ssssA0sss\n"
"A0ssss\n"
}, {
"Replica: two quads reference the same pass; remove",
"R0ssssA0[ct]A0[ct]sss\n"
"A0ssss\n",
"R0ssssA0A0sss\n"
}, {
"Replica: two quads reference the same pass; leave",
"R0ssssA0[c]A0[c]sss\n"
"A0ssss\n",
"R0ssssA0A0sss\n"
"A0ssss\n",
}, {
"Many passes, remove all",
"R0ssssA0[ct]sss\n"
"A0sssB0[ct]C0[ct]s\n"
"B0sssD0[ct]ssE0[ct]F0[ct]\n"
"E0ssssss\n"
"C0G0[ct]\n"
"D0sssssss\n"
"F0sssssss\n"
"G0sss\n",
"R0ssssA0sss\n"
}, {
"Deep recursion, remove all",
"R0sssssA0[ct]ssss\n"
"A0ssssB0sss\n"
"B0C0\n"
"C0D0\n"
"D0E0\n"
"E0F0\n"
"F0G0\n"
"G0H0\n"
"H0sssI0sss\n"
"I0J0\n"
"J0ssss\n",
"R0sssssA0ssss\n"
}, {
"Wide recursion, remove all",
"R0A0[ct]B0[ct]C0[ct]D0[ct]E0[ct]F0[ct]G0[ct]H0[ct]I0[ct]J0[ct]\n"
"A0s\n"
"B0s\n"
"C0ssss\n"
"D0ssss\n"
"E0s\n"
"F0\n"
"G0s\n"
"H0s\n"
"I0s\n"
"J0ssss\n",
"R0A0B0C0D0E0F0G0H0I0J0\n"
}, {
"Remove passes regardless of cache state",
"R0ssssA0[ct]sss\n"
"A0sssB0C0s\n"
"B0sssD0[c]ssE0[t]F0\n"
"E0ssssss\n"
"C0G0\n"
"D0sssssss\n"
"F0sssssss\n"
"G0sss\n",
"R0ssssA0sss\n"
}, {
"Leave some passes, remove others",
"R0ssssA0[c]sss\n"
"A0sssB0[t]C0[ct]s\n"
"B0sssD0[c]ss\n"
"C0G0\n"
"D0sssssss\n"
"G0sss\n",
"R0ssssA0sss\n"
"A0sssB0C0s\n"
"B0sssD0ss\n"
"D0sssssss\n"
}, {
0, 0, 0
}
};
static void verifyRenderPassTestData(TestCase& testCase, RenderPassRemovalTestData& testData)
{
char actualResult[1024];
dumpRenderPassTestData(testData, actualResult);
EXPECT_STREQ(testCase.expectedResult, actualResult) << "In test case: " << testCase.name;
}
TEST_P(LayerTreeHostImplTest, testRemoveRenderPasses)
{
scoped_ptr<GraphicsContext> context(createContext());
ASSERT_TRUE(context->context3D());
scoped_ptr<ResourceProvider> resourceProvider(ResourceProvider::create(context.get()));
scoped_ptr<TestRenderer> renderer(TestRenderer::create(resourceProvider.get(), &m_proxy));
int testCaseIndex = 0;
while (removeRenderPassesCases[testCaseIndex].name) {
RenderPassRemovalTestData testData;
configureRenderPassTestData(removeRenderPassesCases[testCaseIndex].initScript, testData, renderer.get());
LayerTreeHostImpl::removeRenderPasses(LayerTreeHostImpl::CullRenderPassesWithCachedTextures(*renderer), testData);
verifyRenderPassTestData(removeRenderPassesCases[testCaseIndex], testData);
testCaseIndex++;
}
}
// Make sure that scrolls that only pan the pinch viewport, and not the document,
// still force redraw/commit.
void LayerTreeHostImplTest::pinchZoomPanViewportForcesCommitRedraw(const float deviceScaleFactor)
{
m_hostImpl->setDeviceScaleFactor(deviceScaleFactor);
gfx::Size layoutSurfaceSize(10, 20);
gfx::Size deviceSurfaceSize(layoutSurfaceSize.width() * static_cast<int>(deviceScaleFactor),
layoutSurfaceSize.height() * static_cast<int>(deviceScaleFactor));
float pageScale = 2;
scoped_ptr<LayerImpl> root = createScrollableLayer(1, layoutSurfaceSize);
// For this test we want to force scrolls to only pan the pinchZoomViewport
// and not the document, we can verify commit/redraw are requested.
root->setMaxScrollOffset(gfx::Vector2d());
m_hostImpl->setRootLayer(root.Pass());
m_hostImpl->setViewportSize(layoutSurfaceSize, deviceSurfaceSize);
m_hostImpl->setPageScaleFactorAndLimits(1, 1, pageScale);
initializeRendererAndDrawFrame();
// Set new page scale on impl thread by pinching.
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(pageScale, gfx::Point());
m_hostImpl->pinchGestureEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
gfx::Transform expectedImplTransform;
expectedImplTransform.Scale(pageScale, pageScale);
// Verify the pinch zoom took place.
EXPECT_EQ(expectedImplTransform, m_hostImpl->rootLayer()->implTransform());
// The implTransform ignores the scroll if !pageScalePinchZoomEnabled,
// so no point in continuing without it.
if (!m_hostImpl->settings().pageScalePinchZoomEnabled)
return;
m_didRequestCommit = false;
m_didRequestRedraw = false;
// This scroll will force the viewport to pan horizontally.
gfx::Vector2d scrollDelta(5, 0);
EXPECT_EQ(InputHandlerClient::ScrollStarted, m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture));
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
EXPECT_EQ(true, m_didRequestCommit);
EXPECT_EQ(true, m_didRequestRedraw);
m_didRequestCommit = false;
m_didRequestRedraw = false;
// This scroll will force the viewport to pan vertically.
scrollDelta = gfx::Vector2d(0, 5);
EXPECT_EQ(InputHandlerClient::ScrollStarted, m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture));
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
EXPECT_EQ(true, m_didRequestCommit);
EXPECT_EQ(true, m_didRequestRedraw);
}
TEST_P(LayerTreeHostImplTest, pinchZoomPanViewportForcesCommitDeviceScaleFactor1)
{
pinchZoomPanViewportForcesCommitRedraw(1);
}
TEST_P(LayerTreeHostImplTest, pinchZoomPanViewportForcesCommitDeviceScaleFactor2)
{
pinchZoomPanViewportForcesCommitRedraw(2);
}
// The following test confirms correct operation of scroll of the pinchZoomViewport.
// The device scale factor directly affects computation of the implTransform, so
// we test the two most common use cases.
void LayerTreeHostImplTest::pinchZoomPanViewportTest(const float deviceScaleFactor)
{
m_hostImpl->setDeviceScaleFactor(deviceScaleFactor);
gfx::Size layoutSurfaceSize(10, 20);
gfx::Size deviceSurfaceSize(layoutSurfaceSize.width() * static_cast<int>(deviceScaleFactor),
layoutSurfaceSize.height() * static_cast<int>(deviceScaleFactor));
float pageScale = 2;
scoped_ptr<LayerImpl> root = createScrollableLayer(1, layoutSurfaceSize);
// For this test we want to force scrolls to move the pinchZoomViewport so
// we can see the scroll component on the implTransform.
root->setMaxScrollOffset(gfx::Vector2d());
m_hostImpl->setRootLayer(root.Pass());
m_hostImpl->setViewportSize(layoutSurfaceSize, deviceSurfaceSize);
m_hostImpl->setPageScaleFactorAndLimits(1, 1, pageScale);
initializeRendererAndDrawFrame();
// Set new page scale on impl thread by pinching.
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(pageScale, gfx::Point());
m_hostImpl->pinchGestureEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
gfx::Transform expectedImplTransform;
expectedImplTransform.Scale(pageScale, pageScale);
EXPECT_EQ(m_hostImpl->rootLayer()->implTransform(), expectedImplTransform);
// The implTransform ignores the scroll if !pageScalePinchZoomEnabled,
// so no point in continuing without it.
if (!m_hostImpl->settings().pageScalePinchZoomEnabled)
return;
gfx::Vector2d scrollDelta(5, 0);
gfx::Vector2d expectedMaxScroll(m_hostImpl->rootLayer()->maxScrollOffset());
EXPECT_EQ(InputHandlerClient::ScrollStarted, m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture));
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
gfx::Vector2dF expectedTranslation = gfx::ScaleVector2d(scrollDelta, m_hostImpl->deviceScaleFactor());
expectedImplTransform.Translate(-expectedTranslation.x(), -expectedTranslation.y());
EXPECT_EQ(expectedImplTransform, m_hostImpl->rootLayer()->implTransform());
// No change expected.
EXPECT_EQ(expectedMaxScroll, m_hostImpl->rootLayer()->maxScrollOffset());
// None of the scroll delta should have been used for document scroll.
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
expectNone(*scrollInfo.get(), m_hostImpl->rootLayer()->id());
// Test scroll in y-direction also.
scrollDelta = gfx::Vector2d(0, 5);
EXPECT_EQ(InputHandlerClient::ScrollStarted, m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture));
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
expectedTranslation = gfx::ScaleVector2d(scrollDelta, m_hostImpl->deviceScaleFactor());
expectedImplTransform.Translate(-expectedTranslation.x(), -expectedTranslation.y());
EXPECT_EQ(expectedImplTransform, m_hostImpl->rootLayer()->implTransform());
// No change expected.
EXPECT_EQ(expectedMaxScroll, m_hostImpl->rootLayer()->maxScrollOffset());
// None of the scroll delta should have been used for document scroll.
scrollInfo = m_hostImpl->processScrollDeltas();
expectNone(*scrollInfo.get(), m_hostImpl->rootLayer()->id());
}
TEST_P(LayerTreeHostImplTest, pinchZoomPanViewportWithDeviceScaleFactor1)
{
pinchZoomPanViewportTest(1);
}
TEST_P(LayerTreeHostImplTest, pinchZoomPanViewportWithDeviceScaleFactor2)
{
pinchZoomPanViewportTest(2);
}
// This test verifies the correct behaviour of the document-then-pinchZoomViewport
// scrolling model, in both x- and y-directions.
void LayerTreeHostImplTest::pinchZoomPanViewportAndScrollTest(const float deviceScaleFactor)
{
m_hostImpl->setDeviceScaleFactor(deviceScaleFactor);
gfx::Size layoutSurfaceSize(10, 20);
gfx::Size deviceSurfaceSize(layoutSurfaceSize.width() * static_cast<int>(deviceScaleFactor),
layoutSurfaceSize.height() * static_cast<int>(deviceScaleFactor));
float pageScale = 2;
scoped_ptr<LayerImpl> root = createScrollableLayer(1, layoutSurfaceSize);
// For this test we want to scrolls to move both the document and the
// pinchZoomViewport so we can see some scroll component on the implTransform.
root->setMaxScrollOffset(gfx::Vector2d(3, 4));
m_hostImpl->setRootLayer(root.Pass());
m_hostImpl->setViewportSize(layoutSurfaceSize, deviceSurfaceSize);
m_hostImpl->setPageScaleFactorAndLimits(1, 1, pageScale);
initializeRendererAndDrawFrame();
// Set new page scale on impl thread by pinching.
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(pageScale, gfx::Point());
m_hostImpl->pinchGestureEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
gfx::Transform expectedImplTransform;
expectedImplTransform.Scale(pageScale, pageScale);
EXPECT_EQ(expectedImplTransform, m_hostImpl->rootLayer()->implTransform());
// The implTransform ignores the scroll if !pageScalePinchZoomEnabled,
// so no point in continuing without it.
if (!m_hostImpl->settings().pageScalePinchZoomEnabled)
return;
// Scroll document only: scrollDelta chosen to move document horizontally
// to its max scroll offset.
gfx::Vector2d scrollDelta(3, 0);
gfx::Vector2d expectedScrollDelta(scrollDelta);
gfx::Vector2d expectedMaxScroll(m_hostImpl->rootLayer()->maxScrollOffset());
EXPECT_EQ(InputHandlerClient::ScrollStarted, m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture));
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
// The scroll delta is not scaled because the main thread did not scale.
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), expectedScrollDelta);
EXPECT_EQ(expectedMaxScroll, m_hostImpl->rootLayer()->maxScrollOffset());
// Verify we did not change the implTransform this time.
EXPECT_EQ(expectedImplTransform, m_hostImpl->rootLayer()->implTransform());
// Further scrolling should move the pinchZoomViewport only.
scrollDelta = gfx::Vector2d(2, 0);
EXPECT_EQ(InputHandlerClient::ScrollStarted, m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture));
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
gfx::Vector2d expectedPanDelta(scrollDelta);
gfx::Vector2dF expectedTranslation = gfx::ScaleVector2d(expectedPanDelta, m_hostImpl->deviceScaleFactor());
expectedImplTransform.Translate(-expectedTranslation.x(), -expectedTranslation.y());
EXPECT_EQ(m_hostImpl->rootLayer()->implTransform(), expectedImplTransform);
// The scroll delta on the main thread should not have been affected by this.
scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), expectedScrollDelta);
EXPECT_EQ(expectedMaxScroll, m_hostImpl->rootLayer()->maxScrollOffset());
// Perform same test sequence in y-direction also.
// Document only scroll.
scrollDelta = gfx::Vector2d(0, 4);
expectedScrollDelta += scrollDelta;
EXPECT_EQ(InputHandlerClient::ScrollStarted, m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture));
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
// The scroll delta is not scaled because the main thread did not scale.
scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), expectedScrollDelta);
EXPECT_EQ(expectedMaxScroll, m_hostImpl->rootLayer()->maxScrollOffset());
// Verify we did not change the implTransform this time.
EXPECT_EQ(expectedImplTransform, m_hostImpl->rootLayer()->implTransform());
// pinchZoomViewport scroll only.
scrollDelta = gfx::Vector2d(0, 1);
EXPECT_EQ(InputHandlerClient::ScrollStarted, m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture));
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
expectedPanDelta = scrollDelta;
expectedTranslation = gfx::ScaleVector2d(expectedPanDelta, m_hostImpl->deviceScaleFactor());
expectedImplTransform.Translate(-expectedTranslation.x(), -expectedTranslation.y());
EXPECT_EQ(expectedImplTransform, m_hostImpl->rootLayer()->implTransform());
// The scroll delta on the main thread should not have been affected by this.
scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), expectedScrollDelta);
EXPECT_EQ(expectedMaxScroll, m_hostImpl->rootLayer()->maxScrollOffset());
}
TEST_P(LayerTreeHostImplTest, pinchZoomPanViewportAndScrollWithDeviceScaleFactor)
{
pinchZoomPanViewportAndScrollTest(1);
}
TEST_P(LayerTreeHostImplTest, pinchZoomPanViewportAndScrollWithDeviceScaleFactor2)
{
pinchZoomPanViewportAndScrollTest(2);
}
// This test verifies the correct behaviour of the document-then-pinchZoomViewport
// scrolling model, in both x- and y-directions, but this time using a single scroll
// that crosses the 'boundary' of what will cause document-only scroll and what will
// cause both document-scroll and zoomViewport panning.
void LayerTreeHostImplTest::pinchZoomPanViewportAndScrollBoundaryTest(const float deviceScaleFactor)
{
m_hostImpl->setDeviceScaleFactor(deviceScaleFactor);
gfx::Size layoutSurfaceSize(10, 20);
gfx::Size deviceSurfaceSize(layoutSurfaceSize.width() * static_cast<int>(deviceScaleFactor),
layoutSurfaceSize.height() * static_cast<int>(deviceScaleFactor));
float pageScale = 2;
scoped_ptr<LayerImpl> root = createScrollableLayer(1, layoutSurfaceSize);
// For this test we want to scrolls to move both the document and the
// pinchZoomViewport so we can see some scroll component on the implTransform.
root->setMaxScrollOffset(gfx::Vector2d(3, 4));
m_hostImpl->setRootLayer(root.Pass());
m_hostImpl->setViewportSize(layoutSurfaceSize, deviceSurfaceSize);
m_hostImpl->setPageScaleFactorAndLimits(1, 1, pageScale);
initializeRendererAndDrawFrame();
// Set new page scale on impl thread by pinching.
m_hostImpl->pinchGestureBegin();
m_hostImpl->pinchGestureUpdate(pageScale, gfx::Point());
m_hostImpl->pinchGestureEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
gfx::Transform expectedImplTransform;
expectedImplTransform.Scale(pageScale, pageScale);
EXPECT_EQ(expectedImplTransform, m_hostImpl->rootLayer()->implTransform());
// The implTransform ignores the scroll if !pageScalePinchZoomEnabled,
// so no point in continuing without it.
if (!m_hostImpl->settings().pageScalePinchZoomEnabled)
return;
// Scroll document and pann zoomViewport in one scroll-delta.
gfx::Vector2d scrollDelta(5, 0);
gfx::Vector2d expectedScrollDelta(gfx::Vector2d(3, 0)); // This component gets handled by document scroll.
gfx::Vector2d expectedMaxScroll(m_hostImpl->rootLayer()->maxScrollOffset());
EXPECT_EQ(InputHandlerClient::ScrollStarted, m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture));
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
// The scroll delta is not scaled because the main thread did not scale.
scoped_ptr<ScrollAndScaleSet> scrollInfo = m_hostImpl->processScrollDeltas();
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), expectedScrollDelta);
EXPECT_EQ(expectedMaxScroll, m_hostImpl->rootLayer()->maxScrollOffset());
gfx::Vector2d expectedPanDelta(2, 0); // This component gets handled by zoomViewport pan.
gfx::Vector2dF expectedTranslation = gfx::ScaleVector2d(expectedPanDelta, m_hostImpl->deviceScaleFactor());
expectedImplTransform.Translate(-expectedTranslation.x(), -expectedTranslation.y());
EXPECT_EQ(m_hostImpl->rootLayer()->implTransform(), expectedImplTransform);
// Perform same test sequence in y-direction also.
scrollDelta = gfx::Vector2d(0, 5);
expectedScrollDelta += gfx::Vector2d(0, 4); // This component gets handled by document scroll.
EXPECT_EQ(InputHandlerClient::ScrollStarted, m_hostImpl->scrollBegin(gfx::Point(0, 0), InputHandlerClient::Gesture));
m_hostImpl->scrollBy(gfx::Point(), scrollDelta);
m_hostImpl->scrollEnd();
m_hostImpl->updateRootScrollLayerImplTransform();
// The scroll delta is not scaled because the main thread did not scale.
scrollInfo = m_hostImpl->processScrollDeltas(); // This component gets handled by zoomViewport pan.
expectContains(*scrollInfo.get(), m_hostImpl->rootLayer()->id(), expectedScrollDelta);
EXPECT_EQ(expectedMaxScroll, m_hostImpl->rootLayer()->maxScrollOffset());
expectedPanDelta = gfx::Vector2d(0, 1);
expectedTranslation = gfx::ScaleVector2d(expectedPanDelta, m_hostImpl->deviceScaleFactor());
expectedImplTransform.Translate(-expectedTranslation.x(), -expectedTranslation.y());
EXPECT_EQ(expectedImplTransform, m_hostImpl->rootLayer()->implTransform());
}
TEST_P(LayerTreeHostImplTest, pinchZoomPanViewportAndScrollBoundaryWithDeviceScaleFactor)
{
pinchZoomPanViewportAndScrollBoundaryTest(1);
}
TEST_P(LayerTreeHostImplTest, pinchZoomPanViewportAndScrollBoundaryWithDeviceScaleFactor2)
{
pinchZoomPanViewportAndScrollBoundaryTest(2);
}
INSTANTIATE_TEST_CASE_P(LayerTreeHostImplTests,
LayerTreeHostImplTest,
::testing::Values(false, true));
} // namespace
} // namespace cc