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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 "cc/layers/append_quads_data.h"
#include "cc/resources/tile_priority.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/fake_output_surface.h"
#include "cc/test/fake_picture_layer_tiling_client.h"
#include "cc/test/impl_side_painting_settings.h"
#include "cc/test/mock_quad_culler.h"
#include "cc/test/test_shared_bitmap_manager.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) {
}
PictureLayerTilingSet* tilings() { return tilings_.get(); }
friend class PictureImageLayerImplTest;
};
class PictureImageLayerImplTest : public testing::Test {
public:
PictureImageLayerImplTest()
: proxy_(base::MessageLoopProxy::current()),
host_impl_(ImplSidePaintingSettings(),
&proxy_,
&shared_bitmap_manager_) {
tiling_client_.SetTileSize(ImplSidePaintingSettings().default_tile_size);
host_impl_.CreatePendingTree();
host_impl_.InitializeRenderer(
FakeOutputSurface::Create3d().PassAs<OutputSurface>());
}
scoped_ptr<TestablePictureImageLayerImpl> CreateLayer(int id,
WhichTree which_tree) {
LayerTreeImpl* tree = NULL;
switch (which_tree) {
case ACTIVE_TREE:
tree = host_impl_.active_tree();
break;
case PENDING_TREE:
tree = host_impl_.pending_tree();
break;
case NUM_TREES:
NOTREACHED();
break;
}
TestablePictureImageLayerImpl* layer =
new TestablePictureImageLayerImpl(tree, id);
layer->SetBounds(gfx::Size(100, 200));
layer->tilings_.reset(new PictureLayerTilingSet(&tiling_client_,
layer->bounds()));
layer->pile_ = tiling_client_.pile();
return make_scoped_ptr(layer);
}
void UpdateDrawProperties() {
host_impl_.pending_tree()->UpdateDrawProperties();
}
protected:
FakeImplProxy proxy_;
FakeLayerTreeHostImpl host_impl_;
TestSharedBitmapManager shared_bitmap_manager_;
FakePictureLayerTilingClient tiling_client_;
};
TEST_F(PictureImageLayerImplTest, CalculateContentsScale) {
scoped_ptr<TestablePictureImageLayerImpl> layer(CreateLayer(1, PENDING_TREE));
layer->SetDrawsContent(true);
float contents_scale_x;
float contents_scale_y;
gfx::Size content_bounds;
layer->CalculateContentsScale(2.f,
3.f,
4.f,
1.f,
false,
&contents_scale_x,
&contents_scale_y,
&content_bounds);
EXPECT_FLOAT_EQ(1.f, contents_scale_x);
EXPECT_FLOAT_EQ(1.f, contents_scale_y);
EXPECT_EQ(layer->bounds(), content_bounds);
}
TEST_F(PictureImageLayerImplTest, AreVisibleResourcesReady) {
scoped_ptr<TestablePictureImageLayerImpl> layer(CreateLayer(1, PENDING_TREE));
layer->SetBounds(gfx::Size(100, 200));
layer->SetDrawsContent(true);
UpdateDrawProperties();
float contents_scale_x;
float contents_scale_y;
gfx::Size content_bounds;
layer->CalculateContentsScale(2.f,
3.f,
4.f,
1.f,
false,
&contents_scale_x,
&contents_scale_y,
&content_bounds);
layer->UpdateTilePriorities();
EXPECT_TRUE(layer->AreVisibleResourcesReady());
}
TEST_F(PictureImageLayerImplTest, IgnoreIdealContentScale) {
scoped_ptr<TestablePictureImageLayerImpl> pending_layer(
CreateLayer(1, PENDING_TREE));
pending_layer->SetDrawsContent(true);
// 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;
float contents_scale_x;
float contents_scale_y;
gfx::Size content_bounds;
pending_layer->CalculateContentsScale(suggested_ideal_contents_scale,
device_scale_factor,
page_scale_factor,
maximum_animation_contents_scale,
animating_transform_to_screen,
&contents_scale_x,
&contents_scale_y,
&content_bounds);
// Push to active layer.
host_impl_.ActivatePendingTree();
scoped_ptr<TestablePictureImageLayerImpl> active_layer(
CreateLayer(1, ACTIVE_TREE));
pending_layer->PushPropertiesTo(active_layer.get());
active_layer->CalculateContentsScale(suggested_ideal_contents_scale,
device_scale_factor,
page_scale_factor,
maximum_animation_contents_scale,
animating_transform_to_screen,
&contents_scale_x,
&contents_scale_y,
&content_bounds);
// Create tile and resource.
active_layer->tilings()->tiling_at(0)->CreateAllTilesForTesting();
host_impl_.tile_manager()->InitializeTilesWithResourcesForTesting(
active_layer->tilings()->tiling_at(0)->AllTilesForTesting());
// Draw.
active_layer->draw_properties().visible_content_rect =
gfx::Rect(active_layer->bounds());
MockQuadCuller quad_culler;
AppendQuadsData data;
active_layer->WillDraw(DRAW_MODE_SOFTWARE, NULL);
active_layer->AppendQuads(&quad_culler, &data);
active_layer->DidDraw(NULL);
EXPECT_EQ(DrawQuad::TILED_CONTENT, quad_culler.quad_list()[0]->material);
// Tiles are ready at correct scale, so should not set had_incomplete_tile.
EXPECT_FALSE(data.had_incomplete_tile);
}
} // namespace
} // namespace cc
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