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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/layers/ui_resource_layer_impl.h"
#include <memory>
#include <utility>
#include "cc/layers/append_quads_context.h"
#include "cc/layers/append_quads_data.h"
#include "cc/layers/draw_mode.h"
#include "cc/resources/ui_resource_bitmap.h"
#include "cc/resources/ui_resource_client.h"
#include "cc/test/fake_impl_task_runner_provider.h"
#include "cc/test/fake_layer_tree_frame_sink.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/fake_ui_resource_layer_tree_host_impl.h"
#include "cc/test/layer_tree_impl_test_base.h"
#include "cc/test/test_task_graph_runner.h"
#include "cc/trees/single_thread_proxy.h"
#include "components/viz/common/quads/draw_quad.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/transform.h"
namespace cc {
namespace {
UIResourceLayerImpl* GenerateUIResourceLayer(
FakeUIResourceLayerTreeHostImpl* host_impl,
const gfx::Size& bitmap_size,
const gfx::Size& layer_size,
bool opaque,
UIResourceId uid) {
gfx::Rect visible_layer_rect(layer_size);
std::unique_ptr<UIResourceLayerImpl> layer =
UIResourceLayerImpl::Create(host_impl->active_tree(), 1);
layer->draw_properties().visible_layer_rect = visible_layer_rect;
layer->SetBounds(layer_size);
UIResourceBitmap bitmap(bitmap_size, opaque);
host_impl->CreateUIResource(uid, bitmap);
layer->SetUIResourceId(uid);
host_impl->active_tree()->property_trees()->clear();
auto* layer_ptr = layer.get();
SetupRootProperties(layer_ptr);
host_impl->active_tree()->SetRootLayerForTesting(std::move(layer));
UpdateDrawProperties(host_impl->active_tree());
return layer_ptr;
}
void QuadSizeTest(FakeUIResourceLayerTreeHostImpl* host_impl,
UIResourceLayerImpl* layer,
size_t expected_quad_size) {
auto render_pass = viz::CompositorRenderPass::Create();
AppendQuadsData data;
host_impl->active_tree()->root_layer()->AppendQuads(
AppendQuadsContext{DRAW_MODE_HARDWARE, {}, false}, render_pass.get(),
&data);
// Verify quad rects
const viz::QuadList& quads = render_pass->quad_list;
EXPECT_EQ(expected_quad_size, quads.size());
host_impl->active_tree()->DetachLayers();
}
TEST(UIResourceLayerImplTest, VerifyDrawQuads) {
FakeImplTaskRunnerProvider task_runner_provider;
TestTaskGraphRunner task_graph_runner;
std::unique_ptr<LayerTreeFrameSink> layer_tree_frame_sink =
FakeLayerTreeFrameSink::Create3d();
FakeUIResourceLayerTreeHostImpl host_impl(&task_runner_provider,
&task_graph_runner);
host_impl.SetVisible(true);
host_impl.InitializeFrameSink(layer_tree_frame_sink.get());
// Make sure we're appending quads when there are valid values.
gfx::Size bitmap_size(100, 100);
gfx::Size layer_size(100, 100);
size_t expected_quad_size = 1;
bool opaque = true;
UIResourceId uid = 1;
auto* layer =
GenerateUIResourceLayer(&host_impl, bitmap_size, layer_size, opaque, uid);
QuadSizeTest(&host_impl, layer, expected_quad_size);
host_impl.DeleteUIResource(uid);
// Make sure we're not appending quads when there are invalid values.
expected_quad_size = 0;
uid = 0;
layer = GenerateUIResourceLayer(&host_impl,
bitmap_size,
layer_size,
opaque,
uid);
QuadSizeTest(&host_impl, layer, expected_quad_size);
host_impl.DeleteUIResource(uid);
}
void NeedsBlendingTest(FakeUIResourceLayerTreeHostImpl* host_impl,
UIResourceLayerImpl* layer,
bool needs_blending) {
auto render_pass = viz::CompositorRenderPass::Create();
AppendQuadsData data;
host_impl->active_tree()->root_layer()->AppendQuads(
AppendQuadsContext{DRAW_MODE_HARDWARE, {}, false}, render_pass.get(),
&data);
// Verify needs_blending is set appropriately.
const viz::QuadList& quads = render_pass->quad_list;
EXPECT_GE(quads.size(), (size_t)0);
EXPECT_EQ(needs_blending, quads.front()->needs_blending);
EXPECT_EQ(quads.front()->needs_blending,
!quads.front()->shared_quad_state->are_contents_opaque);
host_impl->active_tree()->DetachLayers();
}
TEST(UIResourceLayerImplTest, VerifySetOpaqueOnSkBitmap) {
FakeImplTaskRunnerProvider task_runner_provider;
TestTaskGraphRunner task_graph_runner;
std::unique_ptr<LayerTreeFrameSink> layer_tree_frame_sink =
FakeLayerTreeFrameSink::Create3d();
FakeUIResourceLayerTreeHostImpl host_impl(&task_runner_provider,
&task_graph_runner);
host_impl.SetVisible(true);
host_impl.InitializeFrameSink(layer_tree_frame_sink.get());
gfx::Size bitmap_size(100, 100);
gfx::Size layer_size(100, 100);
bool opaque = false;
UIResourceId uid = 1;
auto* layer =
GenerateUIResourceLayer(&host_impl, bitmap_size, layer_size, opaque, uid);
NeedsBlendingTest(&host_impl, layer, !opaque);
host_impl.DeleteUIResource(uid);
opaque = true;
layer = GenerateUIResourceLayer(&host_impl,
bitmap_size,
layer_size,
opaque,
uid);
NeedsBlendingTest(&host_impl, layer, !opaque);
host_impl.DeleteUIResource(uid);
}
TEST(UIResourceLayerImplTest, VerifySetOpaqueOnLayer) {
FakeImplTaskRunnerProvider task_runner_provider;
TestTaskGraphRunner task_graph_runner;
std::unique_ptr<LayerTreeFrameSink> layer_tree_frame_sink =
FakeLayerTreeFrameSink::Create3d();
FakeUIResourceLayerTreeHostImpl host_impl(&task_runner_provider,
&task_graph_runner);
host_impl.SetVisible(true);
host_impl.InitializeFrameSink(layer_tree_frame_sink.get());
gfx::Size bitmap_size(100, 100);
gfx::Size layer_size(100, 100);
bool skbitmap_opaque = false;
UIResourceId uid = 1;
auto* layer = GenerateUIResourceLayer(&host_impl, bitmap_size, layer_size,
skbitmap_opaque, uid);
bool opaque = false;
layer->SetContentsOpaque(opaque);
NeedsBlendingTest(&host_impl, layer, !opaque);
host_impl.DeleteUIResource(uid);
opaque = true;
layer = GenerateUIResourceLayer(
&host_impl, bitmap_size, layer_size, skbitmap_opaque, uid);
layer->SetContentsOpaque(true);
NeedsBlendingTest(&host_impl, layer, !opaque);
host_impl.DeleteUIResource(uid);
}
TEST(UIResourceLayerImplTest, Occlusion) {
gfx::Size layer_size(1000, 1000);
gfx::Size viewport_size(1000, 1000);
LayerTreeImplTestBase impl;
SkBitmap sk_bitmap;
sk_bitmap.allocN32Pixels(10, 10);
sk_bitmap.setImmutable();
UIResourceId uid = 5;
UIResourceBitmap bitmap(sk_bitmap);
impl.host_impl()->CreateUIResource(uid, bitmap);
UIResourceLayerImpl* ui_resource_layer_impl =
impl.AddLayerInActiveTree<UIResourceLayerImpl>();
ui_resource_layer_impl->SetBounds(layer_size);
ui_resource_layer_impl->SetDrawsContent(true);
ui_resource_layer_impl->SetUIResourceId(uid);
CopyProperties(impl.root_layer(), ui_resource_layer_impl);
impl.CalcDrawProps(viewport_size);
{
SCOPED_TRACE("No occlusion");
gfx::Rect occluded;
impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect(layer_size));
EXPECT_EQ(1u, impl.quad_list().size());
}
{
SCOPED_TRACE("Full occlusion");
gfx::Rect occluded(ui_resource_layer_impl->visible_layer_rect());
impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
EXPECT_EQ(impl.quad_list().size(), 0u);
}
{
SCOPED_TRACE("Partial occlusion");
gfx::Rect occluded(200, 0, 800, 1000);
impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
size_t partially_occluded_count = 0;
VerifyQuadsAreOccluded(impl.quad_list(), occluded,
&partially_occluded_count);
// The layer outputs one quad, which is partially occluded.
EXPECT_EQ(1u, impl.quad_list().size());
EXPECT_EQ(1u, partially_occluded_count);
}
}
} // namespace
} // namespace cc
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