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// Copyright 2012 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/test/layer_test_common.h"
#include <stddef.h>
#include "cc/animation/animation_host.h"
#include "cc/animation/animation_id_provider.h"
#include "cc/animation/animation_player.h"
#include "cc/base/math_util.h"
#include "cc/base/region.h"
#include "cc/layers/append_quads_data.h"
#include "cc/output/copy_output_request.h"
#include "cc/output/copy_output_result.h"
#include "cc/quads/draw_quad.h"
#include "cc/quads/render_pass.h"
#include "cc/test/animation_test_common.h"
#include "cc/test/fake_compositor_frame_sink.h"
#include "cc/test/mock_occlusion_tracker.h"
#include "cc/trees/layer_tree_host_common.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/point_conversions.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/size_conversions.h"
namespace cc {
// Align with expected and actual output.
const char* LayerTestCommon::quad_string = " Quad: ";
static bool CanRectFBeSafelyRoundedToRect(const gfx::RectF& r) {
// Ensure that range of float values is not beyond integer range.
if (!r.IsExpressibleAsRect())
return false;
// Ensure that the values are actually integers.
gfx::RectF floored_rect(std::floor(r.x()), std::floor(r.y()),
std::floor(r.width()), std::floor(r.height()));
return floored_rect == r;
}
void LayerTestCommon::VerifyQuadsExactlyCoverRect(const QuadList& quads,
const gfx::Rect& rect) {
Region remaining = rect;
for (auto iter = quads.cbegin(); iter != quads.cend(); ++iter) {
EXPECT_TRUE(iter->rect.Contains(iter->visible_rect));
gfx::RectF quad_rectf = MathUtil::MapClippedRect(
iter->shared_quad_state->quad_to_target_transform,
gfx::RectF(iter->visible_rect));
// Before testing for exact coverage in the integer world, assert that
// rounding will not round the rect incorrectly.
ASSERT_TRUE(CanRectFBeSafelyRoundedToRect(quad_rectf));
gfx::Rect quad_rect = gfx::ToEnclosingRect(quad_rectf);
EXPECT_TRUE(rect.Contains(quad_rect)) << quad_string << iter.index()
<< " rect: " << rect.ToString()
<< " quad: " << quad_rect.ToString();
EXPECT_TRUE(remaining.Contains(quad_rect))
<< quad_string << iter.index() << " remaining: " << remaining.ToString()
<< " quad: " << quad_rect.ToString();
remaining.Subtract(quad_rect);
}
EXPECT_TRUE(remaining.IsEmpty());
}
// static
void LayerTestCommon::VerifyQuadsAreOccluded(const QuadList& quads,
const gfx::Rect& occluded,
size_t* partially_occluded_count) {
// No quad should exist if it's fully occluded.
for (auto* quad : quads) {
gfx::Rect target_visible_rect = MathUtil::MapEnclosingClippedRect(
quad->shared_quad_state->quad_to_target_transform, quad->visible_rect);
EXPECT_FALSE(occluded.Contains(target_visible_rect));
}
// Quads that are fully occluded on one axis only should be shrunken.
for (auto* quad : quads) {
gfx::Rect target_rect = MathUtil::MapEnclosingClippedRect(
quad->shared_quad_state->quad_to_target_transform, quad->rect);
if (!quad->shared_quad_state->quad_to_target_transform
.IsIdentityOrIntegerTranslation()) {
DCHECK(quad->shared_quad_state->quad_to_target_transform
.IsPositiveScaleOrTranslation())
<< quad->shared_quad_state->quad_to_target_transform.ToString();
gfx::RectF target_rectf = MathUtil::MapClippedRect(
quad->shared_quad_state->quad_to_target_transform,
gfx::RectF(quad->rect));
// Scale transforms allowed, as long as the final transformed rect
// ends up on integer boundaries for ease of testing.
ASSERT_EQ(target_rectf, gfx::RectF(target_rect));
}
bool fully_occluded_horizontal = target_rect.x() >= occluded.x() &&
target_rect.right() <= occluded.right();
bool fully_occluded_vertical = target_rect.y() >= occluded.y() &&
target_rect.bottom() <= occluded.bottom();
bool should_be_occluded =
target_rect.Intersects(occluded) &&
(fully_occluded_vertical || fully_occluded_horizontal);
if (!should_be_occluded) {
EXPECT_EQ(quad->rect.ToString(), quad->visible_rect.ToString());
} else {
EXPECT_NE(quad->rect.ToString(), quad->visible_rect.ToString());
EXPECT_TRUE(quad->rect.Contains(quad->visible_rect));
++(*partially_occluded_count);
}
}
}
LayerTestCommon::LayerImplTest::LayerImplTest()
: LayerImplTest(LayerTreeSettings()) {}
LayerTestCommon::LayerImplTest::LayerImplTest(
std::unique_ptr<CompositorFrameSink> compositor_frame_sink)
: LayerImplTest(LayerTreeSettings(), std::move(compositor_frame_sink)) {}
LayerTestCommon::LayerImplTest::LayerImplTest(const LayerTreeSettings& settings)
: LayerImplTest(settings, FakeCompositorFrameSink::Create3d()) {}
LayerTestCommon::LayerImplTest::LayerImplTest(
const LayerTreeSettings& settings,
std::unique_ptr<CompositorFrameSink> compositor_frame_sink)
: compositor_frame_sink_(std::move(compositor_frame_sink)),
animation_host_(AnimationHost::CreateForTesting(ThreadInstance::MAIN)),
host_(FakeLayerTreeHost::Create(&client_,
&task_graph_runner_,
animation_host_.get(),
settings)),
render_pass_(RenderPass::Create()),
layer_impl_id_(2) {
std::unique_ptr<LayerImpl> root =
LayerImpl::Create(host_->host_impl()->active_tree(), 1);
host_->host_impl()->active_tree()->SetRootLayerForTesting(std::move(root));
host_->host_impl()->SetVisible(true);
EXPECT_TRUE(
host_->host_impl()->InitializeRenderer(compositor_frame_sink_.get()));
const int timeline_id = AnimationIdProvider::NextTimelineId();
timeline_ = AnimationTimeline::Create(timeline_id);
animation_host_->AddAnimationTimeline(timeline_);
// Create impl-side instance.
animation_host_->PushPropertiesTo(host_->host_impl()->animation_host());
timeline_impl_ =
host_->host_impl()->animation_host()->GetTimelineById(timeline_id);
}
LayerTestCommon::LayerImplTest::~LayerImplTest() {
animation_host_->RemoveAnimationTimeline(timeline_);
timeline_ = nullptr;
host_->host_impl()->ReleaseCompositorFrameSink();
}
void LayerTestCommon::LayerImplTest::CalcDrawProps(
const gfx::Size& viewport_size) {
LayerImplList layer_list;
LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
root_layer_for_testing(), viewport_size, &layer_list);
LayerTreeHostCommon::CalculateDrawPropertiesForTesting(&inputs);
}
void LayerTestCommon::LayerImplTest::AppendQuadsWithOcclusion(
LayerImpl* layer_impl,
const gfx::Rect& occluded) {
AppendQuadsData data;
render_pass_->quad_list.clear();
render_pass_->shared_quad_state_list.clear();
Occlusion occlusion(layer_impl->DrawTransform(),
SimpleEnclosedRegion(occluded), SimpleEnclosedRegion());
layer_impl->draw_properties().occlusion_in_content_space = occlusion;
layer_impl->WillDraw(DRAW_MODE_HARDWARE, resource_provider());
layer_impl->AppendQuads(render_pass_.get(), &data);
layer_impl->DidDraw(resource_provider());
}
void LayerTestCommon::LayerImplTest::AppendQuadsForPassWithOcclusion(
LayerImpl* layer_impl,
RenderPass* given_render_pass,
const gfx::Rect& occluded) {
AppendQuadsData data;
given_render_pass->quad_list.clear();
given_render_pass->shared_quad_state_list.clear();
Occlusion occlusion(layer_impl->DrawTransform(),
SimpleEnclosedRegion(occluded), SimpleEnclosedRegion());
layer_impl->draw_properties().occlusion_in_content_space = occlusion;
layer_impl->WillDraw(DRAW_MODE_HARDWARE, resource_provider());
layer_impl->AppendQuads(given_render_pass, &data);
layer_impl->DidDraw(resource_provider());
}
void LayerTestCommon::LayerImplTest::AppendSurfaceQuadsWithOcclusion(
RenderSurfaceImpl* surface_impl,
const gfx::Rect& occluded) {
AppendQuadsData data;
render_pass_->quad_list.clear();
render_pass_->shared_quad_state_list.clear();
surface_impl->set_occlusion_in_content_space(
Occlusion(gfx::Transform(), SimpleEnclosedRegion(occluded),
SimpleEnclosedRegion()));
surface_impl->AppendQuads(render_pass_.get(), &data);
}
void EmptyCopyOutputCallback(std::unique_ptr<CopyOutputResult> result) {}
void LayerTestCommon::LayerImplTest::RequestCopyOfOutput() {
root_layer_for_testing()->test_properties()->copy_requests.push_back(
CopyOutputRequest::CreateRequest(base::Bind(&EmptyCopyOutputCallback)));
}
} // namespace cc