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
10 namespace cc {
11 namespace {
12
TEST(IOSurfaceLayerImplTest,Occlusion)13 TEST(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