1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "cc/layers/io_surface_layer_impl.h"
6
7#include "cc/test/layer_test_common.h"
8#include "testing/gtest/include/gtest/gtest.h"
9
10namespace cc {
11namespace {
12
13TEST(IOSurfaceLayerImplTest, Occlusion) {
14  gfx::Size layer_size(1000, 1000);
15  gfx::Size viewport_size(1000, 1000);
16
17  LayerTestCommon::LayerImplTest impl;
18
19  IOSurfaceLayerImpl* io_surface_layer_impl =
20      impl.AddChildToRoot<IOSurfaceLayerImpl>();
21  io_surface_layer_impl->SetBounds(layer_size);
22  io_surface_layer_impl->SetContentBounds(layer_size);
23  io_surface_layer_impl->SetDrawsContent(true);
24
25  impl.CalcDrawProps(viewport_size);
26
27  {
28    SCOPED_TRACE("No occlusion");
29    gfx::Rect occluded;
30    impl.AppendQuadsWithOcclusion(io_surface_layer_impl, occluded);
31
32    LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(),
33                                                 gfx::Rect(layer_size));
34    EXPECT_EQ(1u, impl.quad_list().size());
35  }
36
37  {
38    SCOPED_TRACE("Full occlusion");
39    gfx::Rect occluded(io_surface_layer_impl->visible_content_rect());
40    impl.AppendQuadsWithOcclusion(io_surface_layer_impl, occluded);
41
42    LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
43    EXPECT_EQ(impl.quad_list().size(), 0u);
44  }
45
46  {
47    SCOPED_TRACE("Partial occlusion");
48    gfx::Rect occluded(200, 0, 800, 1000);
49    impl.AppendQuadsWithOcclusion(io_surface_layer_impl, occluded);
50
51    size_t partially_occluded_count = 0;
52    LayerTestCommon::VerifyQuadsAreOccluded(
53        impl.quad_list(), occluded, &partially_occluded_count);
54    // The layer outputs one quad, which is partially occluded.
55    EXPECT_EQ(1u, impl.quad_list().size());
56    EXPECT_EQ(1u, partially_occluded_count);
57  }
58}
59
60}  // namespace
61}  // namespace cc
62