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// Copyright 2013 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/picture_image_layer_impl.h"
#include "base/thread_task_runner_handle.h"
#include "cc/layers/append_quads_data.h"
#include "cc/quads/draw_quad.h"
#include "cc/test/fake_display_list_raster_source.h"
#include "cc/test/fake_impl_task_runner_provider.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/fake_output_surface.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "cc/test/test_task_graph_runner.h"
#include "cc/tiles/tile_priority.h"
#include "cc/trees/layer_tree_impl.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
class TestablePictureImageLayerImpl : public PictureImageLayerImpl {
public:
TestablePictureImageLayerImpl(LayerTreeImpl* tree_impl, int id)
: PictureImageLayerImpl(tree_impl, id, false) {}
scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override {
return make_scoped_ptr(new TestablePictureImageLayerImpl(tree_impl, id()));
}
using PictureLayerImpl::UpdateIdealScales;
using PictureLayerImpl::MaximumTilingContentsScale;
PictureLayerTilingSet* tilings() { return tilings_.get(); }
friend class PictureImageLayerImplTest;
};
class PictureLayerImplImageTestSettings : public LayerTreeSettings {
public:
PictureLayerImplImageTestSettings() {
layer_transforms_should_scale_layer_contents = true;
}
};
class PictureImageLayerImplTest : public testing::Test {
public:
PictureImageLayerImplTest()
: task_runner_provider_(base::ThreadTaskRunnerHandle::Get()),
output_surface_(FakeOutputSurface::Create3d()),
host_impl_(PictureLayerImplImageTestSettings(),
&task_runner_provider_,
&shared_bitmap_manager_,
&task_graph_runner_) {
host_impl_.CreatePendingTree();
host_impl_.SetVisible(true);
host_impl_.InitializeRenderer(output_surface_.get());
}
scoped_ptr<TestablePictureImageLayerImpl> CreateLayer(int id,
WhichTree which_tree) {
LayerTreeImpl* tree = nullptr;
switch (which_tree) {
case ACTIVE_TREE:
tree = host_impl_.active_tree();
break;
case PENDING_TREE:
tree = host_impl_.pending_tree();
break;
}
TestablePictureImageLayerImpl* layer =
new TestablePictureImageLayerImpl(tree, id);
layer->raster_source_ = FakeDisplayListRasterSource::CreateInfiniteFilled();
layer->SetBounds(layer->raster_source_->GetSize());
return make_scoped_ptr(layer);
}
void SetupDrawPropertiesAndUpdateTiles(TestablePictureImageLayerImpl* layer,
float ideal_contents_scale,
float device_scale_factor,
float page_scale_factor,
float maximum_animation_contents_scale,
bool animating_transform_to_screen,
gfx::Rect viewport_rect) {
gfx::Transform scale_transform;
scale_transform.Scale(ideal_contents_scale, ideal_contents_scale);
layer->draw_properties().target_space_transform = scale_transform;
DCHECK_EQ(layer->GetIdealContentsScale(), ideal_contents_scale);
layer->draw_properties().maximum_animation_contents_scale =
maximum_animation_contents_scale;
layer->draw_properties().screen_space_transform_is_animating =
animating_transform_to_screen;
layer->draw_properties().visible_layer_rect = viewport_rect;
layer->UpdateTiles();
}
protected:
FakeImplTaskRunnerProvider task_runner_provider_;
TestSharedBitmapManager shared_bitmap_manager_;
TestTaskGraphRunner task_graph_runner_;
scoped_ptr<OutputSurface> output_surface_;
FakeLayerTreeHostImpl host_impl_;
};
TEST_F(PictureImageLayerImplTest, CalculateContentsScale) {
scoped_ptr<TestablePictureImageLayerImpl> layer(CreateLayer(1, PENDING_TREE));
layer->SetDrawsContent(true);
TestablePictureImageLayerImpl* layer_ptr = layer.get();
host_impl_.pending_tree()->SetRootLayer(std::move(layer));
host_impl_.pending_tree()->BuildPropertyTreesForTesting();
gfx::Rect viewport(100, 200);
SetupDrawPropertiesAndUpdateTiles(layer_ptr, 2.f, 3.f, 4.f, 1.f, false,
viewport);
EXPECT_FLOAT_EQ(1.f, layer_ptr->MaximumTilingContentsScale());
}
TEST_F(PictureImageLayerImplTest, IgnoreIdealContentScale) {
scoped_ptr<TestablePictureImageLayerImpl> pending_layer(
CreateLayer(1, PENDING_TREE));
pending_layer->SetDrawsContent(true);
gfx::Rect viewport(100, 200);
TestablePictureImageLayerImpl* pending_layer_ptr = pending_layer.get();
host_impl_.pending_tree()->SetRootLayer(std::move(pending_layer));
host_impl_.pending_tree()->BuildPropertyTreesForTesting();
// Set PictureLayerImpl::ideal_contents_scale_ to 2.f which is not equal
// to the content scale used by PictureImageLayerImpl.
const float suggested_ideal_contents_scale = 2.f;
const float device_scale_factor = 3.f;
const float page_scale_factor = 4.f;
const float maximum_animation_contents_scale = 1.f;
const bool animating_transform_to_screen = false;
SetupDrawPropertiesAndUpdateTiles(
pending_layer_ptr, suggested_ideal_contents_scale, device_scale_factor,
page_scale_factor, maximum_animation_contents_scale,
animating_transform_to_screen, viewport);
EXPECT_EQ(1.f, pending_layer_ptr->tilings()->tiling_at(0)->contents_scale());
// Push to active layer.
host_impl_.ActivateSyncTree();
TestablePictureImageLayerImpl* active_layer =
static_cast<TestablePictureImageLayerImpl*>(
host_impl_.active_tree()->root_layer());
SetupDrawPropertiesAndUpdateTiles(active_layer,
suggested_ideal_contents_scale,
device_scale_factor,
page_scale_factor,
maximum_animation_contents_scale,
animating_transform_to_screen,
viewport);
EXPECT_EQ(1.f, active_layer->tilings()->tiling_at(0)->contents_scale());
// Create resources for the tiles.
host_impl_.tile_manager()->InitializeTilesWithResourcesForTesting(
active_layer->tilings()->tiling_at(0)->AllTilesForTesting());
// Draw.
scoped_ptr<RenderPass> render_pass = RenderPass::Create();
AppendQuadsData data;
active_layer->WillDraw(DRAW_MODE_SOFTWARE, nullptr);
active_layer->AppendQuads(render_pass.get(), &data);
active_layer->DidDraw(nullptr);
EXPECT_EQ(DrawQuad::TILED_CONTENT, render_pass->quad_list.front()->material);
// Tiles are ready at correct scale, so should not set had_incomplete_tile.
EXPECT_EQ(0, data.num_incomplete_tiles);
}
} // namespace
} // namespace cc
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