1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
// Copyright 2012 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/test/layer_test_common.h"
#include <memory>
#include <utility>
#include <vector>
#include "cc/base/math_util.h"
#include "cc/base/region.h"
#include "cc/test/property_tree_test_utils.h"
#include "cc/trees/draw_property_utils.h"
#include "cc/trees/layer_tree_impl.h"
#include "cc/trees/property_tree_builder.h"
#include "components/viz/common/quads/compositor_render_pass.h"
#include "components/viz/common/quads/draw_quad.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_conversions.h"
namespace cc {
LayerTreeSettings CommitToActiveTreeLayerListSettings() {
LayerTreeSettings settings;
settings.commit_to_active_tree = true;
settings.use_layer_lists = true;
return settings;
}
LayerTreeSettings CommitToPendingTreeLayerListSettings() {
LayerTreeSettings settings;
settings.commit_to_active_tree = false;
settings.use_layer_lists = true;
return settings;
}
LayerTreeSettings CommitToPendingTreeLayerTreeSettings() {
LayerTreeSettings settings;
settings.commit_to_active_tree = false;
settings.use_layer_lists = false;
return settings;
}
// Align with expected and actual output.
static const char* kQuadString = " 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 VerifyQuadsExactlyCoverRect(const viz::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))
<< kQuadString << iter.index() << " rect: " << rect.ToString()
<< " quad: " << quad_rect.ToString();
EXPECT_TRUE(remaining.Contains(quad_rect))
<< kQuadString << iter.index() << " remaining: " << remaining.ToString()
<< " quad: " << quad_rect.ToString();
remaining.Subtract(quad_rect);
}
EXPECT_TRUE(remaining.IsEmpty());
}
// static
void VerifyQuadsAreOccluded(const viz::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);
}
}
}
void PrepareForUpdateDrawProperties(LayerTreeImpl* layer_tree_impl) {
if (!layer_tree_impl->settings().use_layer_lists)
return;
// TODO(wangxianzhu): We should DCHECK(!needs_rebuild) after we remove all
// unnecessary setting of the flag in layer list mode.
auto* property_trees = layer_tree_impl->property_trees();
property_trees->set_needs_rebuild(false);
// The following are needed for tests that modify impl-side property trees.
// In production code impl-side property trees are pushed from the main
// thread and the following are done in other ways.
std::vector<std::unique_ptr<RenderSurfaceImpl>> old_render_surfaces;
property_trees->effect_tree_mutable().TakeRenderSurfaces(
&old_render_surfaces);
property_trees->effect_tree_mutable().CreateOrReuseRenderSurfaces(
&old_render_surfaces, layer_tree_impl);
layer_tree_impl->MoveChangeTrackingToLayers();
property_trees->ResetCachedData();
}
void UpdateDrawProperties(LayerTreeImpl* layer_tree_impl,
LayerImplList* output_update_layer_list) {
PrepareForUpdateDrawProperties(layer_tree_impl);
layer_tree_impl->UpdateDrawProperties(
/*update_tiles=*/true, /*update_image_animation_controller=*/true,
output_update_layer_list);
}
void UpdateDrawProperties(LayerTreeHost* layer_tree_host,
LayerList* output_update_layer_list) {
LayerList update_layer_list;
if (layer_tree_host->IsUsingLayerLists()) {
// TODO(wangxianzhu): We should DCHECK(!needs_rebuild) after we remove all
// unnecessary setting of the flag in layer list mode.
layer_tree_host->property_trees()->set_needs_rebuild(false);
} else {
PropertyTreeBuilder::BuildPropertyTrees(layer_tree_host);
}
draw_property_utils::UpdatePropertyTrees(layer_tree_host);
draw_property_utils::FindLayersThatNeedUpdates(layer_tree_host,
&update_layer_list);
if (output_update_layer_list)
*output_update_layer_list = std::move(update_layer_list);
}
void SetDeviceScaleAndUpdateViewportRect(LayerTreeImpl* layer_tree_impl,
float device_scale_factor) {
layer_tree_impl->SetDeviceScaleFactor(device_scale_factor);
gfx::Size root_bounds = layer_tree_impl->root_layer()->bounds();
layer_tree_impl->SetDeviceViewportRect(
gfx::Rect(root_bounds.width() * device_scale_factor,
root_bounds.height() * device_scale_factor));
}
void SetDeviceScaleAndUpdateViewportRect(LayerTreeHost* layer_tree_host,
float device_scale_factor) {
gfx::Size root_bounds = layer_tree_host->root_layer()->bounds();
gfx::Rect viewport_rect(root_bounds.width() * device_scale_factor,
root_bounds.height() * device_scale_factor);
layer_tree_host->SetViewportRectAndScale(viewport_rect, device_scale_factor,
viz::LocalSurfaceId());
}
} // namespace cc
|
