// 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/layers/tiled_layer.h"
#include <limits>
#include <vector>
#include "cc/debug/overdraw_metrics.h"
#include "cc/resources/bitmap_content_layer_updater.h"
#include "cc/resources/layer_painter.h"
#include "cc/resources/prioritized_resource_manager.h"
#include "cc/resources/resource_update_controller.h"
#include "cc/test/animation_test_common.h"
#include "cc/test/fake_layer_tree_host_client.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/fake_output_surface.h"
#include "cc/test/fake_output_surface_client.h"
#include "cc/test/fake_proxy.h"
#include "cc/test/fake_rendering_stats_instrumentation.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/test/tiled_layer_test_common.h"
#include "cc/trees/single_thread_proxy.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/rect_conversions.h"
#include "ui/gfx/transform.h"
namespace cc {
namespace {
class TestOcclusionTracker : public OcclusionTracker {
public:
TestOcclusionTracker() : OcclusionTracker(gfx::Rect(0, 0, 1000, 1000), true) {
stack_.push_back(StackObject());
}
void SetRenderTarget(Layer* render_target) {
stack_.back().target = render_target;
}
void SetOcclusion(const Region& occlusion) {
stack_.back().occlusion_from_inside_target = occlusion;
}
};
class TiledLayerTest : public testing::Test {
public:
TiledLayerTest()
: proxy_(NULL),
output_surface_(FakeOutputSurface::Create3d()),
queue_(make_scoped_ptr(new ResourceUpdateQueue)),
impl_thread_("ImplThread"),
fake_layer_tree_host_client_(FakeLayerTreeHostClient::DIRECT_3D),
occlusion_(NULL) {
settings_.max_partial_texture_updates = std::numeric_limits<size_t>::max();
settings_.layer_transforms_should_scale_layer_contents = true;
}
virtual void SetUp() {
impl_thread_.Start();
layer_tree_host_ = LayerTreeHost::CreateThreaded(
&fake_layer_tree_host_client_,
NULL,
settings_,
impl_thread_.message_loop_proxy());
proxy_ = layer_tree_host_->proxy();
resource_manager_ = PrioritizedResourceManager::Create(proxy_);
layer_tree_host_->SetLayerTreeHostClientReady();
layer_tree_host_->InitializeOutputSurfaceIfNeeded();
layer_tree_host_->SetRootLayer(Layer::Create());
CHECK(output_surface_->BindToClient(&output_surface_client_));
DebugScopedSetImplThreadAndMainThreadBlocked
impl_thread_and_main_thread_blocked(proxy_);
resource_provider_ =
ResourceProvider::Create(output_surface_.get(), NULL, 0, false, 1);
host_impl_ = make_scoped_ptr(new FakeLayerTreeHostImpl(proxy_));
}
virtual ~TiledLayerTest() {
ResourceManagerClearAllMemory(resource_manager_.get(),
resource_provider_.get());
DebugScopedSetImplThreadAndMainThreadBlocked
impl_thread_and_main_thread_blocked(proxy_);
resource_provider_.reset();
host_impl_.reset();
}
void ResourceManagerClearAllMemory(
PrioritizedResourceManager* resource_manager,
ResourceProvider* resource_provider) {
{
DebugScopedSetImplThreadAndMainThreadBlocked
impl_thread_and_main_thread_blocked(proxy_);
resource_manager->ClearAllMemory(resource_provider);
resource_manager->ReduceMemory(resource_provider);
}
resource_manager->UnlinkAndClearEvictedBackings();
}
void UpdateTextures() {
DebugScopedSetImplThreadAndMainThreadBlocked
impl_thread_and_main_thread_blocked(proxy_);
DCHECK(queue_);
scoped_ptr<ResourceUpdateController> update_controller =
ResourceUpdateController::Create(NULL,
proxy_->ImplThreadTaskRunner(),
queue_.Pass(),
resource_provider_.get());
update_controller->Finalize();
queue_ = make_scoped_ptr(new ResourceUpdateQueue);
}
void LayerPushPropertiesTo(FakeTiledLayer* layer,
FakeTiledLayerImpl* layer_impl) {
DebugScopedSetImplThreadAndMainThreadBlocked
impl_thread_and_main_thread_blocked(proxy_);
layer->PushPropertiesTo(layer_impl);
layer->ResetNumDependentsNeedPushProperties();
}
void LayerUpdate(FakeTiledLayer* layer, TestOcclusionTracker* occluded) {
DebugScopedSetMainThread main_thread(proxy_);
layer->Update(queue_.get(), occluded);
}
void CalcDrawProps(RenderSurfaceLayerList* render_surface_layer_list) {
if (occlusion_)
occlusion_->SetRenderTarget(layer_tree_host_->root_layer());
LayerTreeHostCommon::CalcDrawPropsMainInputsForTesting inputs(
layer_tree_host_->root_layer(),
layer_tree_host_->device_viewport_size(),
render_surface_layer_list);
inputs.device_scale_factor = layer_tree_host_->device_scale_factor();
inputs.max_texture_size =
layer_tree_host_->GetRendererCapabilities().max_texture_size;
inputs.can_adjust_raster_scales = true;
LayerTreeHostCommon::CalculateDrawProperties(&inputs);
}
bool UpdateAndPush(const scoped_refptr<FakeTiledLayer>& layer1,
const scoped_ptr<FakeTiledLayerImpl>& layer_impl1) {
scoped_refptr<FakeTiledLayer> layer2;
scoped_ptr<FakeTiledLayerImpl> layer_impl2;
return UpdateAndPush(layer1, layer_impl1, layer2, layer_impl2);
}
bool UpdateAndPush(const scoped_refptr<FakeTiledLayer>& layer1,
const scoped_ptr<FakeTiledLayerImpl>& layer_impl1,
const scoped_refptr<FakeTiledLayer>& layer2,
const scoped_ptr<FakeTiledLayerImpl>& layer_impl2) {
// Get textures
resource_manager_->ClearPriorities();
if (layer1.get())
layer1->SetTexturePriorities(priority_calculator_);
if (layer2.get())
layer2->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
// Save paint properties
if (layer1.get())
layer1->SavePaintProperties();
if (layer2.get())
layer2->SavePaintProperties();
// Update content
if (layer1.get())
layer1->Update(queue_.get(), occlusion_);
if (layer2.get())
layer2->Update(queue_.get(), occlusion_);
bool needs_update = false;
if (layer1.get())
needs_update |= layer1->NeedsIdlePaint();
if (layer2.get())
needs_update |= layer2->NeedsIdlePaint();
// Update textures and push.
UpdateTextures();
if (layer1.get())
LayerPushPropertiesTo(layer1.get(), layer_impl1.get());
if (layer2.get())
LayerPushPropertiesTo(layer2.get(), layer_impl2.get());
return needs_update;
}
public:
Proxy* proxy_;
LayerTreeSettings settings_;
FakeOutputSurfaceClient output_surface_client_;
scoped_ptr<OutputSurface> output_surface_;
scoped_ptr<ResourceProvider> resource_provider_;
scoped_ptr<ResourceUpdateQueue> queue_;
PriorityCalculator priority_calculator_;
base::Thread impl_thread_;
FakeLayerTreeHostClient fake_layer_tree_host_client_;
scoped_ptr<LayerTreeHost> layer_tree_host_;
scoped_ptr<FakeLayerTreeHostImpl> host_impl_;
scoped_ptr<PrioritizedResourceManager> resource_manager_;
TestOcclusionTracker* occlusion_;
};
TEST_F(TiledLayerTest, PushDirtyTiles) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
RenderSurfaceLayerList render_surface_layer_list;
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100, so this invalidates and then paints two tiles.
layer->SetBounds(gfx::Size(100, 200));
CalcDrawProps(&render_surface_layer_list);
UpdateAndPush(layer, layer_impl);
// We should have both tiles on the impl side.
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 1));
// Invalidates both tiles, but then only update one of them.
layer->InvalidateContentRect(gfx::Rect(0, 0, 100, 200));
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 100, 100);
UpdateAndPush(layer, layer_impl);
// We should only have the first tile since the other tile was invalidated but
// not painted.
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_FALSE(layer_impl->HasResourceIdForTileAt(0, 1));
}
TEST_F(TiledLayerTest, PushOccludedDirtyTiles) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
TestOcclusionTracker occluded;
occlusion_ = &occluded;
layer_tree_host_->SetViewportSize(gfx::Size(1000, 1000));
layer_tree_host_->root_layer()->AddChild(layer);
{
RenderSurfaceLayerList render_surface_layer_list;
// The tile size is 100x100, so this invalidates and then paints two tiles.
layer->SetBounds(gfx::Size(100, 200));
CalcDrawProps(&render_surface_layer_list);
UpdateAndPush(layer, layer_impl);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(
occluded.overdraw_metrics()->pixels_uploaded_translucent(), 20000, 1);
EXPECT_EQ(0, occluded.overdraw_metrics()->tiles_culled_for_upload());
// We should have both tiles on the impl side.
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 1));
}
{
RenderSurfaceLayerList render_surface_layer_list;
// Invalidates part of the top tile...
layer->InvalidateContentRect(gfx::Rect(0, 0, 50, 50));
// ....but the area is occluded.
occluded.SetOcclusion(gfx::Rect(0, 0, 50, 50));
CalcDrawProps(&render_surface_layer_list);
UpdateAndPush(layer, layer_impl);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
20000 + 2500,
1);
EXPECT_EQ(0, occluded.overdraw_metrics()->tiles_culled_for_upload());
// We should still have both tiles, as part of the top tile is still
// unoccluded.
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 1));
}
}
TEST_F(TiledLayerTest, PushDeletedTiles) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
RenderSurfaceLayerList render_surface_layer_list;
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100, so this invalidates and then paints two tiles.
layer->SetBounds(gfx::Size(100, 200));
CalcDrawProps(&render_surface_layer_list);
UpdateAndPush(layer, layer_impl);
// We should have both tiles on the impl side.
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 1));
resource_manager_->ClearPriorities();
ResourceManagerClearAllMemory(resource_manager_.get(),
resource_provider_.get());
resource_manager_->SetMaxMemoryLimitBytes(4 * 1024 * 1024);
// This should drop the tiles on the impl thread.
LayerPushPropertiesTo(layer.get(), layer_impl.get());
// We should now have no textures on the impl thread.
EXPECT_FALSE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_FALSE(layer_impl->HasResourceIdForTileAt(0, 1));
// This should recreate and update one of the deleted textures.
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 100, 100);
UpdateAndPush(layer, layer_impl);
// We should have one tiles on the impl side.
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_FALSE(layer_impl->HasResourceIdForTileAt(0, 1));
}
TEST_F(TiledLayerTest, PushIdlePaintTiles) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
RenderSurfaceLayerList render_surface_layer_list;
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100. Setup 5x5 tiles with one visible tile in the
// center. This paints 1 visible of the 25 invalid tiles.
layer->SetBounds(gfx::Size(500, 500));
CalcDrawProps(&render_surface_layer_list);
layer->draw_properties().visible_content_rect = gfx::Rect(200, 200, 100, 100);
bool needs_update = UpdateAndPush(layer, layer_impl);
// We should need idle-painting for surrounding tiles.
EXPECT_TRUE(needs_update);
// We should have one tile on the impl side.
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(2, 2));
// For the next four updates, we should detect we still need idle painting.
for (int i = 0; i < 4; i++) {
needs_update = UpdateAndPush(layer, layer_impl);
EXPECT_TRUE(needs_update);
}
// We should always finish painting eventually.
for (int i = 0; i < 20; i++)
needs_update = UpdateAndPush(layer, layer_impl);
// We should have pre-painted all of the surrounding tiles.
for (int i = 0; i < 5; i++) {
for (int j = 0; j < 5; j++)
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(i, j));
}
EXPECT_FALSE(needs_update);
}
TEST_F(TiledLayerTest, PredictivePainting) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
layer_tree_host_->root_layer()->AddChild(layer);
// Prepainting should occur in the scroll direction first, and the
// visible rect should be extruded only along the dominant axis.
gfx::Vector2d directions[6] = { gfx::Vector2d(-10, 0), gfx::Vector2d(10, 0),
gfx::Vector2d(0, -10), gfx::Vector2d(0, 10),
gfx::Vector2d(10, 20),
gfx::Vector2d(-20, 10) };
// We should push all tiles that touch the extruded visible rect.
gfx::Rect pushed_visible_tiles[6] = {
gfx::Rect(2, 2, 2, 1), gfx::Rect(1, 2, 2, 1), gfx::Rect(2, 2, 1, 2),
gfx::Rect(2, 1, 1, 2), gfx::Rect(2, 1, 1, 2), gfx::Rect(2, 2, 2, 1)
};
// The first pre-paint should also paint first in the scroll
// direction so we should find one additional tile in the scroll direction.
gfx::Rect pushed_prepaint_tiles[6] = {
gfx::Rect(2, 2, 3, 1), gfx::Rect(0, 2, 3, 1), gfx::Rect(2, 2, 1, 3),
gfx::Rect(2, 0, 1, 3), gfx::Rect(2, 0, 1, 3), gfx::Rect(2, 2, 3, 1)
};
for (int k = 0; k < 6; k++) {
// The tile size is 100x100. Setup 5x5 tiles with one visible tile
// in the center.
gfx::Size bounds = gfx::Size(500, 500);
gfx::Rect visible_rect = gfx::Rect(200, 200, 100, 100);
gfx::Rect previous_visible_rect =
gfx::Rect(visible_rect.origin() + directions[k], visible_rect.size());
gfx::Rect next_visible_rect =
gfx::Rect(visible_rect.origin() - directions[k], visible_rect.size());
// Setup. Use the previous_visible_rect to setup the prediction for next
// frame.
layer->SetBounds(bounds);
RenderSurfaceLayerList render_surface_layer_list;
CalcDrawProps(&render_surface_layer_list);
layer->draw_properties().visible_content_rect = previous_visible_rect;
bool needs_update = UpdateAndPush(layer, layer_impl);
// Invalidate and move the visible_rect in the scroll direction.
// Check that the correct tiles have been painted in the visible pass.
layer->SetNeedsDisplay();
layer->draw_properties().visible_content_rect = visible_rect;
needs_update = UpdateAndPush(layer, layer_impl);
for (int i = 0; i < 5; i++) {
for (int j = 0; j < 5; j++)
EXPECT_EQ(layer_impl->HasResourceIdForTileAt(i, j),
pushed_visible_tiles[k].Contains(i, j));
}
// Move the transform in the same direction without invalidating.
// Check that non-visible pre-painting occured in the correct direction.
// Ignore diagonal scrolls here (k > 3) as these have new visible content
// now.
if (k <= 3) {
layer->draw_properties().visible_content_rect = next_visible_rect;
needs_update = UpdateAndPush(layer, layer_impl);
for (int i = 0; i < 5; i++) {
for (int j = 0; j < 5; j++)
EXPECT_EQ(layer_impl->HasResourceIdForTileAt(i, j),
pushed_prepaint_tiles[k].Contains(i, j));
}
}
// We should always finish painting eventually.
for (int i = 0; i < 20; i++)
needs_update = UpdateAndPush(layer, layer_impl);
EXPECT_FALSE(needs_update);
}
}
TEST_F(TiledLayerTest, PushTilesAfterIdlePaintFailed) {
// Start with 2mb of memory, but the test is going to try to use just more
// than 1mb, so we reduce to 1mb later.
resource_manager_->SetMaxMemoryLimitBytes(2 * 1024 * 1024);
scoped_refptr<FakeTiledLayer> layer1 =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl1 =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
scoped_refptr<FakeTiledLayer> layer2 =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl2 =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 2));
RenderSurfaceLayerList render_surface_layer_list;
layer_tree_host_->root_layer()->AddChild(layer1);
layer_tree_host_->root_layer()->AddChild(layer2);
// For this test we have two layers. layer1 exhausts most texture memory,
// leaving room for 2 more tiles from layer2, but not all three tiles. First
// we paint layer1, and one tile from layer2. Then when we idle paint layer2,
// we will fail on the third tile of layer2, and this should not leave the
// second tile in a bad state.
// This uses 960000 bytes, leaving 88576 bytes of memory left, which is enough
// for 2 tiles only in the other layer.
gfx::Rect layer1_rect(0, 0, 100, 2400);
// This requires 4*30000 bytes of memory.
gfx::Rect layer2_rect(0, 0, 100, 300);
// Paint a single tile in layer2 so that it will idle paint.
layer1->SetBounds(layer1_rect.size());
layer2->SetBounds(layer2_rect.size());
CalcDrawProps(&render_surface_layer_list);
layer1->draw_properties().visible_content_rect = layer1_rect;
layer2->draw_properties().visible_content_rect = gfx::Rect(0, 0, 100, 100);
bool needs_update = UpdateAndPush(layer1, layer_impl1, layer2, layer_impl2);
// We should need idle-painting for both remaining tiles in layer2.
EXPECT_TRUE(needs_update);
// Reduce our memory limits to 1mb.
resource_manager_->SetMaxMemoryLimitBytes(1024 * 1024);
// Now idle paint layer2. We are going to run out of memory though!
// Oh well, commit the frame and push.
for (int i = 0; i < 4; i++) {
needs_update = UpdateAndPush(layer1, layer_impl1, layer2, layer_impl2);
}
// Sanity check, we should have textures for the big layer.
EXPECT_TRUE(layer_impl1->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer_impl1->HasResourceIdForTileAt(0, 23));
// We should only have the first two tiles from layer2 since
// it failed to idle update the last tile.
EXPECT_TRUE(layer_impl2->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer_impl2->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer_impl2->HasResourceIdForTileAt(0, 1));
EXPECT_TRUE(layer_impl2->HasResourceIdForTileAt(0, 1));
EXPECT_FALSE(needs_update);
EXPECT_FALSE(layer_impl2->HasResourceIdForTileAt(0, 2));
}
TEST_F(TiledLayerTest, PushIdlePaintedOccludedTiles) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
RenderSurfaceLayerList render_surface_layer_list;
TestOcclusionTracker occluded;
occlusion_ = &occluded;
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100, so this invalidates one occluded tile, culls it
// during paint, but prepaints it.
occluded.SetOcclusion(gfx::Rect(0, 0, 100, 100));
layer->SetBounds(gfx::Size(100, 100));
CalcDrawProps(&render_surface_layer_list);
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 100, 100);
UpdateAndPush(layer, layer_impl);
// We should have the prepainted tile on the impl side, but culled it during
// paint.
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_EQ(1, occluded.overdraw_metrics()->tiles_culled_for_upload());
}
TEST_F(TiledLayerTest, PushTilesMarkedDirtyDuringPaint) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
RenderSurfaceLayerList render_surface_layer_list;
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100, so this invalidates and then paints two tiles.
// However, during the paint, we invalidate one of the tiles. This should
// not prevent the tile from being pushed.
layer->fake_layer_updater()->SetRectToInvalidate(
gfx::Rect(0, 50, 100, 50), layer.get());
layer->SetBounds(gfx::Size(100, 200));
CalcDrawProps(&render_surface_layer_list);
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
UpdateAndPush(layer, layer_impl);
// We should have both tiles on the impl side.
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 1));
}
TEST_F(TiledLayerTest, PushTilesLayerMarkedDirtyDuringPaintOnNextLayer) {
scoped_refptr<FakeTiledLayer> layer1 =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_refptr<FakeTiledLayer> layer2 =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer1_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
scoped_ptr<FakeTiledLayerImpl> layer2_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 2));
RenderSurfaceLayerList render_surface_layer_list;
layer_tree_host_->root_layer()->AddChild(layer1);
layer_tree_host_->root_layer()->AddChild(layer2);
// Invalidate a tile on layer1, during update of layer 2.
layer2->fake_layer_updater()->SetRectToInvalidate(
gfx::Rect(0, 50, 100, 50), layer1.get());
layer1->SetBounds(gfx::Size(100, 200));
layer2->SetBounds(gfx::Size(100, 200));
CalcDrawProps(&render_surface_layer_list);
layer1->draw_properties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
layer2->draw_properties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
UpdateAndPush(layer1, layer1_impl, layer2, layer2_impl);
// We should have both tiles on the impl side for all layers.
EXPECT_TRUE(layer1_impl->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer1_impl->HasResourceIdForTileAt(0, 1));
EXPECT_TRUE(layer2_impl->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer2_impl->HasResourceIdForTileAt(0, 1));
}
TEST_F(TiledLayerTest, PushTilesLayerMarkedDirtyDuringPaintOnPreviousLayer) {
scoped_refptr<FakeTiledLayer> layer1 =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_refptr<FakeTiledLayer> layer2 =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer1_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
scoped_ptr<FakeTiledLayerImpl> layer2_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 2));
RenderSurfaceLayerList render_surface_layer_list;
layer_tree_host_->root_layer()->AddChild(layer1);
layer_tree_host_->root_layer()->AddChild(layer2);
layer1->fake_layer_updater()->SetRectToInvalidate(
gfx::Rect(0, 50, 100, 50), layer2.get());
layer1->SetBounds(gfx::Size(100, 200));
layer2->SetBounds(gfx::Size(100, 200));
CalcDrawProps(&render_surface_layer_list);
layer1->draw_properties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
layer2->draw_properties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
UpdateAndPush(layer1, layer1_impl, layer2, layer2_impl);
// We should have both tiles on the impl side for all layers.
EXPECT_TRUE(layer1_impl->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer1_impl->HasResourceIdForTileAt(0, 1));
EXPECT_TRUE(layer2_impl->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer2_impl->HasResourceIdForTileAt(0, 1));
}
TEST_F(TiledLayerTest, PaintSmallAnimatedLayersImmediately) {
// Create a LayerTreeHost that has the right viewportsize,
// so the layer is considered small enough.
bool run_out_of_memory[2] = { false, true };
for (int i = 0; i < 2; i++) {
// Create a layer with 5x5 tiles, with 4x4 size viewport.
int viewport_width = 4 * FakeTiledLayer::tile_size().width();
int viewport_height = 4 * FakeTiledLayer::tile_size().width();
int layer_width = 5 * FakeTiledLayer::tile_size().width();
int layer_height = 5 * FakeTiledLayer::tile_size().height();
int memory_for_layer = layer_width * layer_height * 4;
layer_tree_host_->SetViewportSize(
gfx::Size(viewport_width, viewport_height));
// Use 10x5 tiles to run out of memory.
if (run_out_of_memory[i])
layer_width *= 2;
resource_manager_->SetMaxMemoryLimitBytes(memory_for_layer);
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
RenderSurfaceLayerList render_surface_layer_list;
layer_tree_host_->root_layer()->AddChild(layer);
// Full size layer with half being visible.
layer->SetBounds(gfx::Size(layer_width, layer_height));
gfx::Rect visible_rect(0, 0, layer_width / 2, layer_height);
CalcDrawProps(&render_surface_layer_list);
// Pretend the layer is animating.
layer->draw_properties().target_space_transform_is_animating = true;
layer->draw_properties().visible_content_rect = visible_rect;
layer->SetLayerTreeHost(layer_tree_host_.get());
// The layer should paint its entire contents on the first paint
// if it is close to the viewport size and has the available memory.
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), NULL);
UpdateTextures();
LayerPushPropertiesTo(layer.get(), layer_impl.get());
// We should have all the tiles for the small animated layer.
// We should still have the visible tiles when we didn't
// have enough memory for all the tiles.
if (!run_out_of_memory[i]) {
for (int i = 0; i < 5; ++i) {
for (int j = 0; j < 5; ++j)
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(i, j));
}
} else {
for (int i = 0; i < 10; ++i) {
for (int j = 0; j < 5; ++j)
EXPECT_EQ(layer_impl->HasResourceIdForTileAt(i, j), i < 5);
}
}
layer->RemoveFromParent();
}
}
TEST_F(TiledLayerTest, IdlePaintOutOfMemory) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
RenderSurfaceLayerList render_surface_layer_list;
layer_tree_host_->root_layer()->AddChild(layer);
// We have enough memory for only the visible rect, so we will run out of
// memory in first idle paint.
int memory_limit = 4 * 100 * 100; // 1 tiles, 4 bytes per pixel.
resource_manager_->SetMaxMemoryLimitBytes(memory_limit);
// The tile size is 100x100, so this invalidates and then paints two tiles.
bool needs_update = false;
layer->SetBounds(gfx::Size(300, 300));
CalcDrawProps(&render_surface_layer_list);
layer->draw_properties().visible_content_rect = gfx::Rect(100, 100, 100, 100);
for (int i = 0; i < 2; i++)
needs_update = UpdateAndPush(layer, layer_impl);
// Idle-painting should see no more priority tiles for painting.
EXPECT_FALSE(needs_update);
// We should have one tile on the impl side.
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(1, 1));
}
TEST_F(TiledLayerTest, IdlePaintZeroSizedLayer) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
layer_tree_host_->root_layer()->AddChild(layer);
bool animating[2] = { false, true };
for (int i = 0; i < 2; i++) {
// Pretend the layer is animating.
layer->draw_properties().target_space_transform_is_animating = animating[i];
// The layer's bounds are empty.
// Empty layers don't paint or idle-paint.
layer->SetBounds(gfx::Size());
RenderSurfaceLayerList render_surface_layer_list;
CalcDrawProps(&render_surface_layer_list);
layer->draw_properties().visible_content_rect = gfx::Rect();
bool needs_update = UpdateAndPush(layer, layer_impl);
// Empty layers don't have tiles.
EXPECT_EQ(0u, layer->NumPaintedTiles());
// Empty layers don't need prepaint.
EXPECT_FALSE(needs_update);
// Empty layers don't have tiles.
EXPECT_FALSE(layer_impl->HasResourceIdForTileAt(0, 0));
}
}
TEST_F(TiledLayerTest, IdlePaintNonVisibleLayers) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
// Alternate between not visible and visible.
gfx::Rect v(0, 0, 100, 100);
gfx::Rect nv(0, 0, 0, 0);
gfx::Rect visible_rect[10] = { nv, nv, v, v, nv, nv, v, v, nv, nv };
bool invalidate[10] = { true, true, true, true, true, true, true, true, false,
false };
// We should not have any tiles except for when the layer was visible
// or after the layer was visible and we didn't invalidate.
bool have_tile[10] = { false, false, true, true, false, false, true, true,
true, true };
layer_tree_host_->root_layer()->AddChild(layer);
for (int i = 0; i < 10; i++) {
layer->SetBounds(gfx::Size(100, 100));
RenderSurfaceLayerList render_surface_layer_list;
CalcDrawProps(&render_surface_layer_list);
layer->draw_properties().visible_content_rect = visible_rect[i];
if (invalidate[i])
layer->InvalidateContentRect(gfx::Rect(0, 0, 100, 100));
bool needs_update = UpdateAndPush(layer, layer_impl);
// We should never signal idle paint, as we painted the entire layer
// or the layer was not visible.
EXPECT_FALSE(needs_update);
EXPECT_EQ(layer_impl->HasResourceIdForTileAt(0, 0), have_tile[i]);
}
}
TEST_F(TiledLayerTest, InvalidateFromPrepare) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
RenderSurfaceLayerList render_surface_layer_list;
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100, so this invalidates and then paints two tiles.
layer->SetBounds(gfx::Size(100, 200));
CalcDrawProps(&render_surface_layer_list);
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 100, 200);
UpdateAndPush(layer, layer_impl);
// We should have both tiles on the impl side.
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 1));
layer->fake_layer_updater()->ClearPrepareCount();
// Invoke update again. As the layer is valid update shouldn't be invoked on
// the LayerUpdater.
UpdateAndPush(layer, layer_impl);
EXPECT_EQ(0, layer->fake_layer_updater()->prepare_count());
// SetRectToInvalidate triggers InvalidateContentRect() being invoked from
// update.
layer->fake_layer_updater()->SetRectToInvalidate(
gfx::Rect(25, 25, 50, 50), layer.get());
layer->fake_layer_updater()->ClearPrepareCount();
layer->InvalidateContentRect(gfx::Rect(0, 0, 50, 50));
UpdateAndPush(layer, layer_impl);
EXPECT_EQ(1, layer->fake_layer_updater()->prepare_count());
layer->fake_layer_updater()->ClearPrepareCount();
// The layer should still be invalid as update invoked invalidate.
UpdateAndPush(layer, layer_impl); // visible
EXPECT_EQ(1, layer->fake_layer_updater()->prepare_count());
}
TEST_F(TiledLayerTest, VerifyUpdateRectWhenContentBoundsAreScaled) {
// The update rect (that indicates what was actually painted) should be in
// layer space, not the content space.
scoped_refptr<FakeTiledLayerWithScaledBounds> layer = make_scoped_refptr(
new FakeTiledLayerWithScaledBounds(resource_manager_.get()));
layer_tree_host_->root_layer()->AddChild(layer);
gfx::Rect layer_bounds(0, 0, 300, 200);
gfx::Rect content_bounds(0, 0, 200, 250);
layer->SetBounds(layer_bounds.size());
layer->SetContentBounds(content_bounds.size());
layer->draw_properties().visible_content_rect = content_bounds;
// On first update, the update_rect includes all tiles, even beyond the
// boundaries of the layer.
// However, it should still be in layer space, not content space.
layer->InvalidateContentRect(content_bounds);
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), NULL);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 300, 300 * 0.8), layer->update_rect());
UpdateTextures();
// After the tiles are updated once, another invalidate only needs to update
// the bounds of the layer.
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->InvalidateContentRect(content_bounds);
layer->SavePaintProperties();
layer->Update(queue_.get(), NULL);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(layer_bounds), layer->update_rect());
UpdateTextures();
// Partial re-paint should also be represented by the update rect in layer
// space, not content space.
gfx::Rect partial_damage(30, 100, 10, 10);
layer->InvalidateContentRect(partial_damage);
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), NULL);
EXPECT_FLOAT_RECT_EQ(gfx::RectF(45, 80, 15, 8), layer->update_rect());
}
TEST_F(TiledLayerTest, VerifyInvalidationWhenContentsScaleChanges) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
RenderSurfaceLayerList render_surface_layer_list;
layer_tree_host_->root_layer()->AddChild(layer);
// Create a layer with one tile.
layer->SetBounds(gfx::Size(100, 100));
CalcDrawProps(&render_surface_layer_list);
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 100, 100);
layer->Update(queue_.get(), NULL);
UpdateTextures();
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 100, 100),
layer->last_needs_display_rect());
// Push the tiles to the impl side and check that there is exactly one.
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), NULL);
UpdateTextures();
LayerPushPropertiesTo(layer.get(), layer_impl.get());
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_FALSE(layer_impl->HasResourceIdForTileAt(0, 1));
EXPECT_FALSE(layer_impl->HasResourceIdForTileAt(1, 0));
EXPECT_FALSE(layer_impl->HasResourceIdForTileAt(1, 1));
layer->SetNeedsDisplayRect(gfx::Rect());
EXPECT_FLOAT_RECT_EQ(gfx::RectF(), layer->last_needs_display_rect());
// Change the contents scale.
layer->UpdateContentsScale(2.f);
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 200, 200);
// The impl side should get 2x2 tiles now.
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), NULL);
UpdateTextures();
LayerPushPropertiesTo(layer.get(), layer_impl.get());
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(0, 1));
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(1, 0));
EXPECT_TRUE(layer_impl->HasResourceIdForTileAt(1, 1));
// Verify that changing the contents scale caused invalidation, and
// that the layer-space rectangle requiring painting is not scaled.
EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 100, 100),
layer->last_needs_display_rect());
// Invalidate the entire layer again, but do not paint. All tiles should be
// gone now from the impl side.
layer->SetNeedsDisplay();
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
LayerPushPropertiesTo(layer.get(), layer_impl.get());
EXPECT_FALSE(layer_impl->HasResourceIdForTileAt(0, 0));
EXPECT_FALSE(layer_impl->HasResourceIdForTileAt(0, 1));
EXPECT_FALSE(layer_impl->HasResourceIdForTileAt(1, 0));
EXPECT_FALSE(layer_impl->HasResourceIdForTileAt(1, 1));
}
TEST_F(TiledLayerTest, SkipsDrawGetsReset) {
// Create two 300 x 300 tiled layers.
gfx::Size content_bounds(300, 300);
gfx::Rect content_rect(content_bounds);
// We have enough memory for only one of the two layers.
int memory_limit = 4 * 300 * 300; // 4 bytes per pixel.
scoped_refptr<FakeTiledLayer> root_layer = make_scoped_refptr(
new FakeTiledLayer(layer_tree_host_->contents_texture_manager()));
scoped_refptr<FakeTiledLayer> child_layer = make_scoped_refptr(
new FakeTiledLayer(layer_tree_host_->contents_texture_manager()));
root_layer->AddChild(child_layer);
root_layer->SetBounds(content_bounds);
root_layer->draw_properties().visible_content_rect = content_rect;
root_layer->SetPosition(gfx::PointF(0, 0));
child_layer->SetBounds(content_bounds);
child_layer->draw_properties().visible_content_rect = content_rect;
child_layer->SetPosition(gfx::PointF(0, 0));
root_layer->InvalidateContentRect(content_rect);
child_layer->InvalidateContentRect(content_rect);
layer_tree_host_->SetRootLayer(root_layer);
layer_tree_host_->SetViewportSize(gfx::Size(300, 300));
layer_tree_host_->contents_texture_manager()->SetMaxMemoryLimitBytes(
memory_limit);
layer_tree_host_->UpdateLayers(queue_.get());
// We'll skip the root layer.
EXPECT_TRUE(root_layer->SkipsDraw());
EXPECT_FALSE(child_layer->SkipsDraw());
layer_tree_host_->CommitComplete();
// Remove the child layer.
root_layer->RemoveAllChildren();
layer_tree_host_->UpdateLayers(queue_.get());
EXPECT_FALSE(root_layer->SkipsDraw());
ResourceManagerClearAllMemory(layer_tree_host_->contents_texture_manager(),
resource_provider_.get());
layer_tree_host_->SetRootLayer(NULL);
}
TEST_F(TiledLayerTest, ResizeToSmaller) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
layer_tree_host_->root_layer()->AddChild(layer);
layer->SetBounds(gfx::Size(700, 700));
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 700, 700);
layer->InvalidateContentRect(gfx::Rect(0, 0, 700, 700));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), NULL);
layer->SetBounds(gfx::Size(200, 200));
layer->InvalidateContentRect(gfx::Rect(0, 0, 200, 200));
}
TEST_F(TiledLayerTest, HugeLayerUpdateCrash) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
layer_tree_host_->root_layer()->AddChild(layer);
int size = 1 << 30;
layer->SetBounds(gfx::Size(size, size));
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 700, 700);
layer->InvalidateContentRect(gfx::Rect(0, 0, size, size));
// Ensure no crash for bounds where size * size would overflow an int.
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), NULL);
}
class TiledLayerPartialUpdateTest : public TiledLayerTest {
public:
TiledLayerPartialUpdateTest() { settings_.max_partial_texture_updates = 4; }
};
TEST_F(TiledLayerPartialUpdateTest, PartialUpdates) {
// Create one 300 x 200 tiled layer with 3 x 2 tiles.
gfx::Size content_bounds(300, 200);
gfx::Rect content_rect(content_bounds);
scoped_refptr<FakeTiledLayer> layer = make_scoped_refptr(
new FakeTiledLayer(layer_tree_host_->contents_texture_manager()));
layer->SetBounds(content_bounds);
layer->SetPosition(gfx::PointF(0, 0));
layer->draw_properties().visible_content_rect = content_rect;
layer->InvalidateContentRect(content_rect);
layer_tree_host_->SetRootLayer(layer);
layer_tree_host_->SetViewportSize(gfx::Size(300, 200));
// Full update of all 6 tiles.
layer_tree_host_->UpdateLayers(queue_.get());
{
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
EXPECT_EQ(6u, queue_->FullUploadSize());
EXPECT_EQ(0u, queue_->PartialUploadSize());
UpdateTextures();
EXPECT_EQ(6, layer->fake_layer_updater()->update_count());
EXPECT_FALSE(queue_->HasMoreUpdates());
layer->fake_layer_updater()->ClearUpdateCount();
LayerPushPropertiesTo(layer.get(), layer_impl.get());
}
layer_tree_host_->CommitComplete();
// Full update of 3 tiles and partial update of 3 tiles.
layer->InvalidateContentRect(gfx::Rect(0, 0, 300, 150));
layer_tree_host_->UpdateLayers(queue_.get());
{
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
EXPECT_EQ(3u, queue_->FullUploadSize());
EXPECT_EQ(3u, queue_->PartialUploadSize());
UpdateTextures();
EXPECT_EQ(6, layer->fake_layer_updater()->update_count());
EXPECT_FALSE(queue_->HasMoreUpdates());
layer->fake_layer_updater()->ClearUpdateCount();
LayerPushPropertiesTo(layer.get(), layer_impl.get());
}
layer_tree_host_->CommitComplete();
// Partial update of 6 tiles.
layer->InvalidateContentRect(gfx::Rect(50, 50, 200, 100));
{
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
layer_tree_host_->UpdateLayers(queue_.get());
EXPECT_EQ(2u, queue_->FullUploadSize());
EXPECT_EQ(4u, queue_->PartialUploadSize());
UpdateTextures();
EXPECT_EQ(6, layer->fake_layer_updater()->update_count());
EXPECT_FALSE(queue_->HasMoreUpdates());
layer->fake_layer_updater()->ClearUpdateCount();
LayerPushPropertiesTo(layer.get(), layer_impl.get());
}
layer_tree_host_->CommitComplete();
// Checkerboard all tiles.
layer->InvalidateContentRect(gfx::Rect(0, 0, 300, 200));
{
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
LayerPushPropertiesTo(layer.get(), layer_impl.get());
}
layer_tree_host_->CommitComplete();
// Partial update of 6 checkerboard tiles.
layer->InvalidateContentRect(gfx::Rect(50, 50, 200, 100));
{
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
layer_tree_host_->UpdateLayers(queue_.get());
EXPECT_EQ(6u, queue_->FullUploadSize());
EXPECT_EQ(0u, queue_->PartialUploadSize());
UpdateTextures();
EXPECT_EQ(6, layer->fake_layer_updater()->update_count());
EXPECT_FALSE(queue_->HasMoreUpdates());
layer->fake_layer_updater()->ClearUpdateCount();
LayerPushPropertiesTo(layer.get(), layer_impl.get());
}
layer_tree_host_->CommitComplete();
// Partial update of 4 tiles.
layer->InvalidateContentRect(gfx::Rect(50, 50, 100, 100));
{
scoped_ptr<FakeTiledLayerImpl> layer_impl =
make_scoped_ptr(new FakeTiledLayerImpl(host_impl_->active_tree(), 1));
layer_tree_host_->UpdateLayers(queue_.get());
EXPECT_EQ(0u, queue_->FullUploadSize());
EXPECT_EQ(4u, queue_->PartialUploadSize());
UpdateTextures();
EXPECT_EQ(4, layer->fake_layer_updater()->update_count());
EXPECT_FALSE(queue_->HasMoreUpdates());
layer->fake_layer_updater()->ClearUpdateCount();
LayerPushPropertiesTo(layer.get(), layer_impl.get());
}
layer_tree_host_->CommitComplete();
ResourceManagerClearAllMemory(layer_tree_host_->contents_texture_manager(),
resource_provider_.get());
layer_tree_host_->SetRootLayer(NULL);
}
TEST_F(TiledLayerTest, TilesPaintedWithoutOcclusion) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
RenderSurfaceLayerList render_surface_layer_list;
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100, so this invalidates and then paints two tiles.
layer->SetBounds(gfx::Size(100, 200));
CalcDrawProps(&render_surface_layer_list);
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), NULL);
EXPECT_EQ(2, layer->fake_layer_updater()->update_count());
}
TEST_F(TiledLayerTest, TilesPaintedWithOcclusion) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
RenderSurfaceLayerList render_surface_layer_list;
TestOcclusionTracker occluded;
occlusion_ = &occluded;
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100.
layer_tree_host_->SetViewportSize(gfx::Size(600, 600));
layer->SetBounds(gfx::Size(600, 600));
CalcDrawProps(&render_surface_layer_list);
occluded.SetOcclusion(gfx::Rect(200, 200, 300, 100));
layer->draw_properties().drawable_content_rect =
gfx::Rect(layer->content_bounds());
layer->draw_properties().visible_content_rect =
gfx::Rect(layer->content_bounds());
layer->InvalidateContentRect(gfx::Rect(0, 0, 600, 600));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
EXPECT_EQ(36 - 3, layer->fake_layer_updater()->update_count());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(
occluded.overdraw_metrics()->pixels_uploaded_translucent(), 330000, 1);
EXPECT_EQ(3, occluded.overdraw_metrics()->tiles_culled_for_upload());
layer->fake_layer_updater()->ClearUpdateCount();
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
occluded.SetOcclusion(gfx::Rect(250, 200, 300, 100));
layer->InvalidateContentRect(gfx::Rect(0, 0, 600, 600));
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
EXPECT_EQ(36 - 2, layer->fake_layer_updater()->update_count());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
330000 + 340000,
1);
EXPECT_EQ(3 + 2, occluded.overdraw_metrics()->tiles_culled_for_upload());
layer->fake_layer_updater()->ClearUpdateCount();
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
occluded.SetOcclusion(gfx::Rect(250, 250, 300, 100));
layer->InvalidateContentRect(gfx::Rect(0, 0, 600, 600));
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
EXPECT_EQ(36, layer->fake_layer_updater()->update_count());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
330000 + 340000 + 360000,
1);
EXPECT_EQ(3 + 2, occluded.overdraw_metrics()->tiles_culled_for_upload());
}
TEST_F(TiledLayerTest, TilesPaintedWithOcclusionAndVisiblityConstraints) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
RenderSurfaceLayerList render_surface_layer_list;
TestOcclusionTracker occluded;
occlusion_ = &occluded;
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100.
layer_tree_host_->SetViewportSize(gfx::Size(600, 600));
layer->SetBounds(gfx::Size(600, 600));
CalcDrawProps(&render_surface_layer_list);
// The partially occluded tiles (by the 150 occlusion height) are visible
// beyond the occlusion, so not culled.
occluded.SetOcclusion(gfx::Rect(200, 200, 300, 150));
layer->draw_properties().drawable_content_rect = gfx::Rect(0, 0, 600, 360);
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 600, 360);
layer->InvalidateContentRect(gfx::Rect(0, 0, 600, 600));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
EXPECT_EQ(24 - 3, layer->fake_layer_updater()->update_count());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(
occluded.overdraw_metrics()->pixels_uploaded_translucent(), 210000, 1);
EXPECT_EQ(3, occluded.overdraw_metrics()->tiles_culled_for_upload());
layer->fake_layer_updater()->ClearUpdateCount();
// Now the visible region stops at the edge of the occlusion so the partly
// visible tiles become fully occluded.
occluded.SetOcclusion(gfx::Rect(200, 200, 300, 150));
layer->draw_properties().drawable_content_rect = gfx::Rect(0, 0, 600, 350);
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 600, 350);
layer->InvalidateContentRect(gfx::Rect(0, 0, 600, 600));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
EXPECT_EQ(24 - 6, layer->fake_layer_updater()->update_count());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
210000 + 180000,
1);
EXPECT_EQ(3 + 6, occluded.overdraw_metrics()->tiles_culled_for_upload());
layer->fake_layer_updater()->ClearUpdateCount();
// Now the visible region is even smaller than the occlusion, it should have
// the same result.
occluded.SetOcclusion(gfx::Rect(200, 200, 300, 150));
layer->draw_properties().drawable_content_rect = gfx::Rect(0, 0, 600, 340);
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 600, 340);
layer->InvalidateContentRect(gfx::Rect(0, 0, 600, 600));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
EXPECT_EQ(24 - 6, layer->fake_layer_updater()->update_count());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
210000 + 180000 + 180000,
1);
EXPECT_EQ(3 + 6 + 6, occluded.overdraw_metrics()->tiles_culled_for_upload());
}
TEST_F(TiledLayerTest, TilesNotPaintedWithoutInvalidation) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
RenderSurfaceLayerList render_surface_layer_list;
TestOcclusionTracker occluded;
occlusion_ = &occluded;
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100.
layer_tree_host_->SetViewportSize(gfx::Size(600, 600));
layer->SetBounds(gfx::Size(600, 600));
CalcDrawProps(&render_surface_layer_list);
occluded.SetOcclusion(gfx::Rect(200, 200, 300, 100));
layer->draw_properties().drawable_content_rect = gfx::Rect(0, 0, 600, 600);
layer->draw_properties().visible_content_rect = gfx::Rect(0, 0, 600, 600);
layer->InvalidateContentRect(gfx::Rect(0, 0, 600, 600));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
EXPECT_EQ(36 - 3, layer->fake_layer_updater()->update_count());
{ UpdateTextures(); }
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(
occluded.overdraw_metrics()->pixels_uploaded_translucent(), 330000, 1);
EXPECT_EQ(3, occluded.overdraw_metrics()->tiles_culled_for_upload());
layer->fake_layer_updater()->ClearUpdateCount();
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
// Repaint without marking it dirty. The 3 culled tiles will be pre-painted
// now.
layer->Update(queue_.get(), &occluded);
EXPECT_EQ(3, layer->fake_layer_updater()->update_count());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(
occluded.overdraw_metrics()->pixels_uploaded_translucent(), 330000, 1);
EXPECT_EQ(6, occluded.overdraw_metrics()->tiles_culled_for_upload());
}
TEST_F(TiledLayerTest, TilesPaintedWithOcclusionAndTransforms) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
RenderSurfaceLayerList render_surface_layer_list;
TestOcclusionTracker occluded;
occlusion_ = &occluded;
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100.
// This makes sure the painting works when the occluded region (in screen
// space) is transformed differently than the layer.
layer_tree_host_->SetViewportSize(gfx::Size(600, 600));
layer->SetBounds(gfx::Size(600, 600));
CalcDrawProps(&render_surface_layer_list);
gfx::Transform screen_transform;
screen_transform.Scale(0.5, 0.5);
layer->draw_properties().screen_space_transform = screen_transform;
layer->draw_properties().target_space_transform = screen_transform;
occluded.SetOcclusion(gfx::Rect(100, 100, 150, 50));
layer->draw_properties().drawable_content_rect =
gfx::Rect(layer->content_bounds());
layer->draw_properties().visible_content_rect =
gfx::Rect(layer->content_bounds());
layer->InvalidateContentRect(gfx::Rect(0, 0, 600, 600));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
EXPECT_EQ(36 - 3, layer->fake_layer_updater()->update_count());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(
occluded.overdraw_metrics()->pixels_uploaded_translucent(), 330000, 1);
EXPECT_EQ(3, occluded.overdraw_metrics()->tiles_culled_for_upload());
}
TEST_F(TiledLayerTest, TilesPaintedWithOcclusionAndScaling) {
scoped_refptr<FakeTiledLayer> layer =
new FakeTiledLayer(resource_manager_.get());
RenderSurfaceLayerList render_surface_layer_list;
TestOcclusionTracker occluded;
occlusion_ = &occluded;
scoped_refptr<FakeTiledLayer> scale_layer =
new FakeTiledLayer(resource_manager_.get());
gfx::Transform scale_transform;
scale_transform.Scale(2.0, 2.0);
scale_layer->SetTransform(scale_transform);
layer_tree_host_->root_layer()->AddChild(scale_layer);
// The tile size is 100x100.
// This makes sure the painting works when the content space is scaled to
// a different layer space.
layer_tree_host_->SetViewportSize(gfx::Size(600, 600));
layer->SetAnchorPoint(gfx::PointF());
layer->SetBounds(gfx::Size(300, 300));
scale_layer->AddChild(layer);
CalcDrawProps(&render_surface_layer_list);
EXPECT_FLOAT_EQ(2.f, layer->contents_scale_x());
EXPECT_FLOAT_EQ(2.f, layer->contents_scale_y());
EXPECT_EQ(gfx::Size(600, 600).ToString(),
layer->content_bounds().ToString());
// No tiles are covered by the 300x50 occlusion.
occluded.SetOcclusion(gfx::Rect(200, 200, 300, 50));
layer->draw_properties().drawable_content_rect =
gfx::Rect(layer->bounds());
layer->draw_properties().visible_content_rect =
gfx::Rect(layer->content_bounds());
layer->InvalidateContentRect(gfx::Rect(0, 0, 600, 600));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
int visible_tiles1 = 6 * 6;
EXPECT_EQ(visible_tiles1, layer->fake_layer_updater()->update_count());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
visible_tiles1 * 100 * 100,
1);
EXPECT_EQ(0, occluded.overdraw_metrics()->tiles_culled_for_upload());
layer->fake_layer_updater()->ClearUpdateCount();
// The occlusion of 300x100 will be cover 3 tiles as tiles are 100x100 still.
occluded.SetOcclusion(gfx::Rect(200, 200, 300, 100));
layer->draw_properties().drawable_content_rect =
gfx::Rect(layer->bounds());
layer->draw_properties().visible_content_rect =
gfx::Rect(layer->content_bounds());
layer->InvalidateContentRect(gfx::Rect(0, 0, 600, 600));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
int visible_tiles2 = 6 * 6 - 3;
EXPECT_EQ(visible_tiles2, layer->fake_layer_updater()->update_count());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
visible_tiles2 * 100 * 100 +
visible_tiles1 * 100 * 100,
1);
EXPECT_EQ(3, occluded.overdraw_metrics()->tiles_culled_for_upload());
layer->fake_layer_updater()->ClearUpdateCount();
// This makes sure content scaling and transforms work together.
// When the tiles are scaled down by half, they are 50x50 each in the
// screen.
gfx::Transform screen_transform;
screen_transform.Scale(0.5, 0.5);
layer->draw_properties().screen_space_transform = screen_transform;
layer->draw_properties().target_space_transform = screen_transform;
// An occlusion of 150x100 will cover 3*2 = 6 tiles.
occluded.SetOcclusion(gfx::Rect(100, 100, 150, 100));
gfx::Rect layer_bounds_rect(layer->bounds());
layer->draw_properties().drawable_content_rect =
gfx::ScaleToEnclosingRect(layer_bounds_rect, 0.5f);
layer->draw_properties().visible_content_rect =
gfx::Rect(layer->content_bounds());
layer->InvalidateContentRect(gfx::Rect(0, 0, 600, 600));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
int visible_tiles3 = 6 * 6 - 6;
EXPECT_EQ(visible_tiles3, layer->fake_layer_updater()->update_count());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
visible_tiles3 * 100 * 100 +
visible_tiles2 * 100 * 100 +
visible_tiles1 * 100 * 100,
1);
EXPECT_EQ(6 + 3, occluded.overdraw_metrics()->tiles_culled_for_upload());
}
TEST_F(TiledLayerTest, VisibleContentOpaqueRegion) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
RenderSurfaceLayerList render_surface_layer_list;
TestOcclusionTracker occluded;
occlusion_ = &occluded;
layer_tree_host_->SetViewportSize(gfx::Size(1000, 1000));
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100, so this invalidates and then paints two tiles in
// various ways.
gfx::Rect opaque_paint_rect;
Region opaque_contents;
gfx::Rect content_bounds = gfx::Rect(0, 0, 100, 200);
gfx::Rect visible_bounds = gfx::Rect(0, 0, 100, 150);
layer->SetBounds(content_bounds.size());
CalcDrawProps(&render_surface_layer_list);
layer->draw_properties().drawable_content_rect = visible_bounds;
layer->draw_properties().visible_content_rect = visible_bounds;
// If the layer doesn't paint opaque content, then the
// VisibleContentOpaqueRegion should be empty.
layer->fake_layer_updater()->SetOpaquePaintRect(gfx::Rect());
layer->InvalidateContentRect(content_bounds);
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
opaque_contents = layer->VisibleContentOpaqueRegion();
EXPECT_TRUE(opaque_contents.IsEmpty());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_painted(), 20000, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(
occluded.overdraw_metrics()->pixels_uploaded_translucent(), 20000, 1);
EXPECT_EQ(0, occluded.overdraw_metrics()->tiles_culled_for_upload());
// VisibleContentOpaqueRegion should match the visible part of what is painted
// opaque.
opaque_paint_rect = gfx::Rect(10, 10, 90, 190);
layer->fake_layer_updater()->SetOpaquePaintRect(opaque_paint_rect);
layer->InvalidateContentRect(content_bounds);
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
UpdateTextures();
opaque_contents = layer->VisibleContentOpaqueRegion();
EXPECT_EQ(gfx::IntersectRects(opaque_paint_rect, visible_bounds).ToString(),
opaque_contents.ToString());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_painted(), 20000 * 2, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 17100, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
20000 + 20000 - 17100,
1);
EXPECT_EQ(0, occluded.overdraw_metrics()->tiles_culled_for_upload());
// If we paint again without invalidating, the same stuff should be opaque.
layer->fake_layer_updater()->SetOpaquePaintRect(gfx::Rect());
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
UpdateTextures();
opaque_contents = layer->VisibleContentOpaqueRegion();
EXPECT_EQ(gfx::IntersectRects(opaque_paint_rect, visible_bounds).ToString(),
opaque_contents.ToString());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_painted(), 20000 * 2, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 17100, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
20000 + 20000 - 17100,
1);
EXPECT_EQ(0, occluded.overdraw_metrics()->tiles_culled_for_upload());
// If we repaint a non-opaque part of the tile, then it shouldn't lose its
// opaque-ness. And other tiles should not be affected.
layer->fake_layer_updater()->SetOpaquePaintRect(gfx::Rect());
layer->InvalidateContentRect(gfx::Rect(0, 0, 1, 1));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
UpdateTextures();
opaque_contents = layer->VisibleContentOpaqueRegion();
EXPECT_EQ(gfx::IntersectRects(opaque_paint_rect, visible_bounds).ToString(),
opaque_contents.ToString());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_painted(), 20000 * 2 + 1, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 17100, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
20000 + 20000 - 17100 + 1,
1);
EXPECT_EQ(0, occluded.overdraw_metrics()->tiles_culled_for_upload());
// If we repaint an opaque part of the tile, then it should lose its
// opaque-ness. But other tiles should still not be affected.
layer->fake_layer_updater()->SetOpaquePaintRect(gfx::Rect());
layer->InvalidateContentRect(gfx::Rect(10, 10, 1, 1));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
UpdateTextures();
opaque_contents = layer->VisibleContentOpaqueRegion();
EXPECT_EQ(gfx::IntersectRects(gfx::Rect(10, 100, 90, 100),
visible_bounds).ToString(),
opaque_contents.ToString());
EXPECT_NEAR(
occluded.overdraw_metrics()->pixels_painted(), 20000 * 2 + 1 + 1, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 17100, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
20000 + 20000 - 17100 + 1 + 1,
1);
EXPECT_EQ(0, occluded.overdraw_metrics()->tiles_culled_for_upload());
}
TEST_F(TiledLayerTest, PixelsPaintedMetrics) {
scoped_refptr<FakeTiledLayer> layer =
make_scoped_refptr(new FakeTiledLayer(resource_manager_.get()));
RenderSurfaceLayerList render_surface_layer_list;
TestOcclusionTracker occluded;
occlusion_ = &occluded;
layer_tree_host_->SetViewportSize(gfx::Size(1000, 1000));
layer_tree_host_->root_layer()->AddChild(layer);
// The tile size is 100x100, so this invalidates and then paints two tiles in
// various ways.
gfx::Rect opaque_paint_rect;
Region opaque_contents;
gfx::Rect content_bounds = gfx::Rect(0, 0, 100, 300);
layer->SetBounds(content_bounds.size());
CalcDrawProps(&render_surface_layer_list);
// Invalidates and paints the whole layer.
layer->fake_layer_updater()->SetOpaquePaintRect(gfx::Rect());
layer->InvalidateContentRect(content_bounds);
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
UpdateTextures();
opaque_contents = layer->VisibleContentOpaqueRegion();
EXPECT_TRUE(opaque_contents.IsEmpty());
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_painted(), 30000, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(
occluded.overdraw_metrics()->pixels_uploaded_translucent(), 30000, 1);
EXPECT_EQ(0, occluded.overdraw_metrics()->tiles_culled_for_upload());
// Invalidates an area on the top and bottom tile, which will cause us to
// paint the tile in the middle, even though it is not dirty and will not be
// uploaded.
layer->fake_layer_updater()->SetOpaquePaintRect(gfx::Rect());
layer->InvalidateContentRect(gfx::Rect(0, 0, 1, 1));
layer->InvalidateContentRect(gfx::Rect(50, 200, 10, 10));
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
layer->Update(queue_.get(), &occluded);
UpdateTextures();
opaque_contents = layer->VisibleContentOpaqueRegion();
EXPECT_TRUE(opaque_contents.IsEmpty());
// The middle tile was painted even though not invalidated.
EXPECT_NEAR(
occluded.overdraw_metrics()->pixels_painted(), 30000 + 60 * 210, 1);
// The pixels uploaded will not include the non-invalidated tile in the
// middle.
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_opaque(), 0, 1);
EXPECT_NEAR(occluded.overdraw_metrics()->pixels_uploaded_translucent(),
30000 + 1 + 100,
1);
EXPECT_EQ(0, occluded.overdraw_metrics()->tiles_culled_for_upload());
}
TEST_F(TiledLayerTest, DontAllocateContentsWhenTargetSurfaceCantBeAllocated) {
// Tile size is 100x100.
gfx::Rect root_rect(0, 0, 300, 200);
gfx::Rect child_rect(0, 0, 300, 100);
gfx::Rect child2_rect(0, 100, 300, 100);
scoped_refptr<FakeTiledLayer> root = make_scoped_refptr(
new FakeTiledLayer(layer_tree_host_->contents_texture_manager()));
scoped_refptr<Layer> surface = Layer::Create();
scoped_refptr<FakeTiledLayer> child = make_scoped_refptr(
new FakeTiledLayer(layer_tree_host_->contents_texture_manager()));
scoped_refptr<FakeTiledLayer> child2 = make_scoped_refptr(
new FakeTiledLayer(layer_tree_host_->contents_texture_manager()));
root->SetBounds(root_rect.size());
root->SetAnchorPoint(gfx::PointF());
root->draw_properties().drawable_content_rect = root_rect;
root->draw_properties().visible_content_rect = root_rect;
root->AddChild(surface);
surface->SetForceRenderSurface(true);
surface->SetAnchorPoint(gfx::PointF());
surface->SetOpacity(0.5);
surface->AddChild(child);
surface->AddChild(child2);
child->SetBounds(child_rect.size());
child->SetAnchorPoint(gfx::PointF());
child->SetPosition(child_rect.origin());
child->draw_properties().visible_content_rect = child_rect;
child->draw_properties().drawable_content_rect = root_rect;
child2->SetBounds(child2_rect.size());
child2->SetAnchorPoint(gfx::PointF());
child2->SetPosition(child2_rect.origin());
child2->draw_properties().visible_content_rect = child2_rect;
child2->draw_properties().drawable_content_rect = root_rect;
layer_tree_host_->SetRootLayer(root);
layer_tree_host_->SetViewportSize(root_rect.size());
// With a huge memory limit, all layers should update and push their textures.
root->InvalidateContentRect(root_rect);
child->InvalidateContentRect(child_rect);
child2->InvalidateContentRect(child2_rect);
layer_tree_host_->UpdateLayers(queue_.get());
{
UpdateTextures();
EXPECT_EQ(6, root->fake_layer_updater()->update_count());
EXPECT_EQ(3, child->fake_layer_updater()->update_count());
EXPECT_EQ(3, child2->fake_layer_updater()->update_count());
EXPECT_FALSE(queue_->HasMoreUpdates());
root->fake_layer_updater()->ClearUpdateCount();
child->fake_layer_updater()->ClearUpdateCount();
child2->fake_layer_updater()->ClearUpdateCount();
scoped_ptr<FakeTiledLayerImpl> root_impl = make_scoped_ptr(
new FakeTiledLayerImpl(host_impl_->active_tree(), root->id()));
scoped_ptr<FakeTiledLayerImpl> child_impl = make_scoped_ptr(
new FakeTiledLayerImpl(host_impl_->active_tree(), child->id()));
scoped_ptr<FakeTiledLayerImpl> child2_impl = make_scoped_ptr(
new FakeTiledLayerImpl(host_impl_->active_tree(), child2->id()));
LayerPushPropertiesTo(child2.get(), child2_impl.get());
LayerPushPropertiesTo(child.get(), child_impl.get());
LayerPushPropertiesTo(root.get(), root_impl.get());
for (unsigned i = 0; i < 3; ++i) {
for (unsigned j = 0; j < 2; ++j)
EXPECT_TRUE(root_impl->HasResourceIdForTileAt(i, j));
EXPECT_TRUE(child_impl->HasResourceIdForTileAt(i, 0));
EXPECT_TRUE(child2_impl->HasResourceIdForTileAt(i, 0));
}
}
layer_tree_host_->CommitComplete();
// With a memory limit that includes only the root layer (3x2 tiles) and half
// the surface that the child layers draw into, the child layers will not be
// allocated. If the surface isn't accounted for, then one of the children
// would fit within the memory limit.
root->InvalidateContentRect(root_rect);
child->InvalidateContentRect(child_rect);
child2->InvalidateContentRect(child2_rect);
size_t memory_limit = (3 * 2 + 3 * 1) * (100 * 100) * 4;
layer_tree_host_->contents_texture_manager()->SetMaxMemoryLimitBytes(
memory_limit);
layer_tree_host_->UpdateLayers(queue_.get());
{
UpdateTextures();
EXPECT_EQ(6, root->fake_layer_updater()->update_count());
EXPECT_EQ(0, child->fake_layer_updater()->update_count());
EXPECT_EQ(0, child2->fake_layer_updater()->update_count());
EXPECT_FALSE(queue_->HasMoreUpdates());
root->fake_layer_updater()->ClearUpdateCount();
child->fake_layer_updater()->ClearUpdateCount();
child2->fake_layer_updater()->ClearUpdateCount();
scoped_ptr<FakeTiledLayerImpl> root_impl = make_scoped_ptr(
new FakeTiledLayerImpl(host_impl_->active_tree(), root->id()));
scoped_ptr<FakeTiledLayerImpl> child_impl = make_scoped_ptr(
new FakeTiledLayerImpl(host_impl_->active_tree(), child->id()));
scoped_ptr<FakeTiledLayerImpl> child2_impl = make_scoped_ptr(
new FakeTiledLayerImpl(host_impl_->active_tree(), child2->id()));
LayerPushPropertiesTo(child2.get(), child2_impl.get());
LayerPushPropertiesTo(child.get(), child_impl.get());
LayerPushPropertiesTo(root.get(), root_impl.get());
for (unsigned i = 0; i < 3; ++i) {
for (unsigned j = 0; j < 2; ++j)
EXPECT_TRUE(root_impl->HasResourceIdForTileAt(i, j));
EXPECT_FALSE(child_impl->HasResourceIdForTileAt(i, 0));
EXPECT_FALSE(child2_impl->HasResourceIdForTileAt(i, 0));
}
}
layer_tree_host_->CommitComplete();
// With a memory limit that includes only half the root layer, no contents
// will be allocated. If render surface memory wasn't accounted for, there is
// enough space for one of the children layers, but they draw into a surface
// that can't be allocated.
root->InvalidateContentRect(root_rect);
child->InvalidateContentRect(child_rect);
child2->InvalidateContentRect(child2_rect);
memory_limit = (3 * 1) * (100 * 100) * 4;
layer_tree_host_->contents_texture_manager()->SetMaxMemoryLimitBytes(
memory_limit);
layer_tree_host_->UpdateLayers(queue_.get());
{
UpdateTextures();
EXPECT_EQ(0, root->fake_layer_updater()->update_count());
EXPECT_EQ(0, child->fake_layer_updater()->update_count());
EXPECT_EQ(0, child2->fake_layer_updater()->update_count());
EXPECT_FALSE(queue_->HasMoreUpdates());
root->fake_layer_updater()->ClearUpdateCount();
child->fake_layer_updater()->ClearUpdateCount();
child2->fake_layer_updater()->ClearUpdateCount();
scoped_ptr<FakeTiledLayerImpl> root_impl = make_scoped_ptr(
new FakeTiledLayerImpl(host_impl_->active_tree(), root->id()));
scoped_ptr<FakeTiledLayerImpl> child_impl = make_scoped_ptr(
new FakeTiledLayerImpl(host_impl_->active_tree(), child->id()));
scoped_ptr<FakeTiledLayerImpl> child2_impl = make_scoped_ptr(
new FakeTiledLayerImpl(host_impl_->active_tree(), child2->id()));
LayerPushPropertiesTo(child2.get(), child2_impl.get());
LayerPushPropertiesTo(child.get(), child_impl.get());
LayerPushPropertiesTo(root.get(), root_impl.get());
for (unsigned i = 0; i < 3; ++i) {
for (unsigned j = 0; j < 2; ++j)
EXPECT_FALSE(root_impl->HasResourceIdForTileAt(i, j));
EXPECT_FALSE(child_impl->HasResourceIdForTileAt(i, 0));
EXPECT_FALSE(child2_impl->HasResourceIdForTileAt(i, 0));
}
}
layer_tree_host_->CommitComplete();
ResourceManagerClearAllMemory(layer_tree_host_->contents_texture_manager(),
resource_provider_.get());
layer_tree_host_->SetRootLayer(NULL);
}
class TrackingLayerPainter : public LayerPainter {
public:
static scoped_ptr<TrackingLayerPainter> Create() {
return make_scoped_ptr(new TrackingLayerPainter());
}
virtual void Paint(SkCanvas* canvas,
gfx::Rect content_rect,
gfx::RectF* opaque) OVERRIDE {
painted_rect_ = content_rect;
}
gfx::Rect PaintedRect() const { return painted_rect_; }
void ResetPaintedRect() { painted_rect_ = gfx::Rect(); }
private:
gfx::Rect painted_rect_;
};
class UpdateTrackingTiledLayer : public FakeTiledLayer {
public:
explicit UpdateTrackingTiledLayer(PrioritizedResourceManager* manager)
: FakeTiledLayer(manager) {
scoped_ptr<TrackingLayerPainter> painter(TrackingLayerPainter::Create());
tracking_layer_painter_ = painter.get();
layer_updater_ =
BitmapContentLayerUpdater::Create(painter.PassAs<LayerPainter>(),
&stats_instrumentation_,
0);
}
TrackingLayerPainter* tracking_layer_painter() const {
return tracking_layer_painter_;
}
private:
virtual LayerUpdater* Updater() const OVERRIDE {
return layer_updater_.get();
}
virtual ~UpdateTrackingTiledLayer() {}
TrackingLayerPainter* tracking_layer_painter_;
scoped_refptr<BitmapContentLayerUpdater> layer_updater_;
FakeRenderingStatsInstrumentation stats_instrumentation_;
};
TEST_F(TiledLayerTest, NonIntegerContentsScaleIsNotDistortedDuringPaint) {
scoped_refptr<UpdateTrackingTiledLayer> layer =
make_scoped_refptr(new UpdateTrackingTiledLayer(resource_manager_.get()));
layer_tree_host_->root_layer()->AddChild(layer);
gfx::Rect layer_rect(0, 0, 30, 31);
layer->SetPosition(layer_rect.origin());
layer->SetBounds(layer_rect.size());
layer->UpdateContentsScale(1.5f);
gfx::Rect content_rect(0, 0, 45, 47);
EXPECT_EQ(content_rect.size(), layer->content_bounds());
layer->draw_properties().visible_content_rect = content_rect;
layer->draw_properties().drawable_content_rect = content_rect;
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
// Update the whole tile.
layer->Update(queue_.get(), NULL);
layer->tracking_layer_painter()->ResetPaintedRect();
EXPECT_RECT_EQ(gfx::Rect(), layer->tracking_layer_painter()->PaintedRect());
UpdateTextures();
// Invalidate the entire layer in content space. When painting, the rect given
// to webkit should match the layer's bounds.
layer->InvalidateContentRect(content_rect);
layer->Update(queue_.get(), NULL);
EXPECT_RECT_EQ(layer_rect, layer->tracking_layer_painter()->PaintedRect());
}
TEST_F(TiledLayerTest,
NonIntegerContentsScaleIsNotDistortedDuringInvalidation) {
scoped_refptr<UpdateTrackingTiledLayer> layer =
make_scoped_refptr(new UpdateTrackingTiledLayer(resource_manager_.get()));
layer_tree_host_->root_layer()->AddChild(layer);
gfx::Rect layer_rect(0, 0, 30, 31);
layer->SetPosition(layer_rect.origin());
layer->SetBounds(layer_rect.size());
layer->UpdateContentsScale(1.3f);
gfx::Rect content_rect(layer->content_bounds());
layer->draw_properties().visible_content_rect = content_rect;
layer->draw_properties().drawable_content_rect = content_rect;
layer->SetTexturePriorities(priority_calculator_);
resource_manager_->PrioritizeTextures();
layer->SavePaintProperties();
// Update the whole tile.
layer->Update(queue_.get(), NULL);
layer->tracking_layer_painter()->ResetPaintedRect();
EXPECT_RECT_EQ(gfx::Rect(), layer->tracking_layer_painter()->PaintedRect());
UpdateTextures();
// Invalidate the entire layer in layer space. When painting, the rect given
// to webkit should match the layer's bounds.
layer->SetNeedsDisplayRect(layer_rect);
layer->Update(queue_.get(), NULL);
EXPECT_RECT_EQ(layer_rect, layer->tracking_layer_painter()->PaintedRect());
}
} // namespace
} // namespace cc