| // Copyright 2014 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/trees/occlusion.h" |
| |
| #include <stddef.h> |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace cc { |
| namespace { |
| |
| TEST(OcclusionTest, HasOcclusion) { |
| Occlusion empty; |
| EXPECT_FALSE(empty.HasOcclusion()); |
| |
| empty = Occlusion( |
| gfx::Transform(), SimpleEnclosedRegion(), SimpleEnclosedRegion()); |
| EXPECT_FALSE(empty.HasOcclusion()); |
| |
| Occlusion outside_nonempty( |
| gfx::Transform(), SimpleEnclosedRegion(10, 10), SimpleEnclosedRegion()); |
| EXPECT_TRUE(outside_nonempty.HasOcclusion()); |
| |
| Occlusion inside_nonempty( |
| gfx::Transform(), SimpleEnclosedRegion(), SimpleEnclosedRegion(10, 10)); |
| EXPECT_TRUE(inside_nonempty.HasOcclusion()); |
| |
| Occlusion both_nonempty(gfx::Transform(), |
| SimpleEnclosedRegion(10, 10), |
| SimpleEnclosedRegion(10, 10)); |
| EXPECT_TRUE(both_nonempty.HasOcclusion()); |
| } |
| |
| #define EXPECT_OCCLUSION(occlusion, rects, ...) \ |
| { \ |
| bool expected[] = {__VA_ARGS__}; \ |
| ASSERT_EQ(arraysize(rects), arraysize(expected)); \ |
| for (size_t i = 0; i < arraysize(rects); ++i) \ |
| EXPECT_EQ(expected[i], occlusion.IsOccluded(rects[i])) \ |
| << "Test failed for index " << i << "."; \ |
| } |
| |
| TEST(OcclusionTest, IsOccludedNoTransform) { |
| gfx::Rect rects[] = {gfx::Rect(10, 10), |
| gfx::Rect(10, 0, 10, 10), |
| gfx::Rect(0, 10, 10, 10), |
| gfx::Rect(10, 10, 10, 10)}; |
| |
| Occlusion no_occlusion; |
| EXPECT_OCCLUSION(no_occlusion, rects, false, false, false, false); |
| |
| Occlusion all_occluded_outside( |
| gfx::Transform(), SimpleEnclosedRegion(20, 20), SimpleEnclosedRegion()); |
| EXPECT_OCCLUSION(all_occluded_outside, rects, true, true, true, true); |
| |
| Occlusion all_occluded_inside( |
| gfx::Transform(), SimpleEnclosedRegion(), SimpleEnclosedRegion(20, 20)); |
| EXPECT_OCCLUSION(all_occluded_inside, rects, true, true, true, true); |
| |
| Occlusion all_occluded_mixed(gfx::Transform(), |
| SimpleEnclosedRegion(10, 20), |
| SimpleEnclosedRegion(10, 0, 10, 20)); |
| EXPECT_OCCLUSION(all_occluded_mixed, rects, true, true, true, true); |
| |
| Occlusion some_occluded(gfx::Transform(), |
| SimpleEnclosedRegion(10, 10), |
| SimpleEnclosedRegion(10, 10, 10, 10)); |
| EXPECT_OCCLUSION(some_occluded, rects, true, false, false, true); |
| } |
| |
| TEST(OcclusionTest, IsOccludedScaled) { |
| gfx::Rect rects[] = {gfx::Rect(10, 10), |
| gfx::Rect(10, 0, 10, 10), |
| gfx::Rect(0, 10, 10, 10), |
| gfx::Rect(10, 10, 10, 10)}; |
| |
| gfx::Transform half_scale; |
| half_scale.Scale(0.5, 0.5); |
| |
| gfx::Transform double_scale; |
| double_scale.Scale(2, 2); |
| |
| Occlusion all_occluded_outside_half( |
| half_scale, SimpleEnclosedRegion(10, 10), SimpleEnclosedRegion()); |
| Occlusion all_occluded_outside_double( |
| double_scale, SimpleEnclosedRegion(40, 40), SimpleEnclosedRegion()); |
| EXPECT_OCCLUSION(all_occluded_outside_half, rects, true, true, true, true); |
| EXPECT_OCCLUSION(all_occluded_outside_double, rects, true, true, true, true); |
| |
| Occlusion all_occluded_inside_half( |
| half_scale, SimpleEnclosedRegion(), SimpleEnclosedRegion(10, 10)); |
| Occlusion all_occluded_inside_double( |
| double_scale, SimpleEnclosedRegion(), SimpleEnclosedRegion(40, 40)); |
| EXPECT_OCCLUSION(all_occluded_inside_half, rects, true, true, true, true); |
| EXPECT_OCCLUSION(all_occluded_inside_double, rects, true, true, true, true); |
| |
| Occlusion all_occluded_mixed_half(half_scale, |
| SimpleEnclosedRegion(5, 10), |
| SimpleEnclosedRegion(5, 0, 5, 10)); |
| Occlusion all_occluded_mixed_double(double_scale, |
| SimpleEnclosedRegion(20, 40), |
| SimpleEnclosedRegion(20, 0, 20, 40)); |
| EXPECT_OCCLUSION(all_occluded_mixed_half, rects, true, true, true, true); |
| EXPECT_OCCLUSION(all_occluded_mixed_double, rects, true, true, true, true); |
| |
| Occlusion some_occluded_half( |
| half_scale, SimpleEnclosedRegion(5, 5), SimpleEnclosedRegion(5, 5, 5, 5)); |
| Occlusion some_occluded_double(double_scale, |
| SimpleEnclosedRegion(20, 20), |
| SimpleEnclosedRegion(20, 20, 20, 20)); |
| EXPECT_OCCLUSION(some_occluded_half, rects, true, false, false, true); |
| EXPECT_OCCLUSION(some_occluded_double, rects, true, false, false, true); |
| } |
| |
| TEST(OcclusionTest, IsOccludedTranslated) { |
| gfx::Rect rects[] = {gfx::Rect(10, 10), |
| gfx::Rect(10, 0, 10, 10), |
| gfx::Rect(0, 10, 10, 10), |
| gfx::Rect(10, 10, 10, 10)}; |
| |
| gfx::Transform move_left; |
| move_left.Translate(-100, 0); |
| |
| gfx::Transform move_down; |
| move_down.Translate(0, 100); |
| |
| Occlusion all_occluded_outside_left( |
| move_left, SimpleEnclosedRegion(-100, 0, 20, 20), SimpleEnclosedRegion()); |
| Occlusion all_occluded_outside_down( |
| move_down, SimpleEnclosedRegion(0, 100, 20, 20), SimpleEnclosedRegion()); |
| EXPECT_OCCLUSION(all_occluded_outside_left, rects, true, true, true, true); |
| EXPECT_OCCLUSION(all_occluded_outside_down, rects, true, true, true, true); |
| |
| Occlusion all_occluded_inside_left( |
| move_left, SimpleEnclosedRegion(), SimpleEnclosedRegion(-100, 0, 20, 20)); |
| Occlusion all_occluded_inside_down( |
| move_down, SimpleEnclosedRegion(), SimpleEnclosedRegion(0, 100, 20, 20)); |
| EXPECT_OCCLUSION(all_occluded_inside_left, rects, true, true, true, true); |
| EXPECT_OCCLUSION(all_occluded_inside_down, rects, true, true, true, true); |
| |
| Occlusion all_occluded_mixed_left(move_left, |
| SimpleEnclosedRegion(-100, 0, 10, 20), |
| SimpleEnclosedRegion(-90, 0, 10, 20)); |
| Occlusion all_occluded_mixed_down(move_down, |
| SimpleEnclosedRegion(0, 100, 10, 20), |
| SimpleEnclosedRegion(10, 100, 10, 20)); |
| EXPECT_OCCLUSION(all_occluded_mixed_left, rects, true, true, true, true); |
| EXPECT_OCCLUSION(all_occluded_mixed_down, rects, true, true, true, true); |
| |
| Occlusion some_occluded_left(move_left, |
| SimpleEnclosedRegion(-100, 0, 10, 10), |
| SimpleEnclosedRegion(-90, 10, 10, 10)); |
| Occlusion some_occluded_down(move_down, |
| SimpleEnclosedRegion(0, 100, 10, 10), |
| SimpleEnclosedRegion(10, 110, 10, 10)); |
| EXPECT_OCCLUSION(some_occluded_left, rects, true, false, false, true); |
| EXPECT_OCCLUSION(some_occluded_down, rects, true, false, false, true); |
| } |
| |
| TEST(OcclusionTest, IsOccludedScaledAfterConstruction) { |
| gfx::Rect rects[] = {gfx::Rect(10, 10), |
| gfx::Rect(10, 0, 10, 10), |
| gfx::Rect(0, 10, 10, 10), |
| gfx::Rect(10, 10, 10, 10)}; |
| |
| gfx::Transform half_transform; |
| half_transform.Scale(0.5, 0.5); |
| |
| gfx::Transform double_transform; |
| double_transform.Scale(2, 2); |
| |
| Occlusion all_occluded_outside( |
| gfx::Transform(), SimpleEnclosedRegion(10, 10), SimpleEnclosedRegion()); |
| Occlusion all_occluded_outside_half = |
| all_occluded_outside.GetOcclusionWithGivenDrawTransform(half_transform); |
| |
| all_occluded_outside = Occlusion( |
| gfx::Transform(), SimpleEnclosedRegion(40, 40), SimpleEnclosedRegion()); |
| Occlusion all_occluded_outside_double = |
| all_occluded_outside.GetOcclusionWithGivenDrawTransform(double_transform); |
| |
| EXPECT_OCCLUSION(all_occluded_outside_half, rects, true, true, true, true); |
| EXPECT_OCCLUSION(all_occluded_outside_double, rects, true, true, true, true); |
| |
| Occlusion some_occluded(gfx::Transform(), |
| SimpleEnclosedRegion(5, 5), |
| SimpleEnclosedRegion(5, 5, 5, 5)); |
| Occlusion some_occluded_half = |
| some_occluded.GetOcclusionWithGivenDrawTransform(half_transform); |
| |
| some_occluded = Occlusion(gfx::Transform(), |
| SimpleEnclosedRegion(20, 20), |
| SimpleEnclosedRegion(20, 20, 20, 20)); |
| Occlusion some_occluded_double = |
| some_occluded.GetOcclusionWithGivenDrawTransform(double_transform); |
| |
| EXPECT_OCCLUSION(some_occluded_half, rects, true, false, false, true); |
| EXPECT_OCCLUSION(some_occluded_double, rects, true, false, false, true); |
| } |
| |
| TEST(OcclusionTest, GetUnoccludedContentRectNoTransform) { |
| Occlusion some_occluded(gfx::Transform(), |
| SimpleEnclosedRegion(10, 10), |
| SimpleEnclosedRegion(10, 10, 10, 10)); |
| |
| gfx::Rect full_query_result = |
| some_occluded.GetUnoccludedContentRect(gfx::Rect(20, 20)); |
| EXPECT_EQ(gfx::Rect(20, 20), full_query_result); |
| |
| gfx::Rect half_query_result = |
| some_occluded.GetUnoccludedContentRect(gfx::Rect(10, 0, 10, 20)); |
| EXPECT_EQ(gfx::Rect(10, 0, 10, 10), half_query_result); |
| } |
| |
| TEST(OcclusionTest, GetUnoccludedContentRectScaled) { |
| gfx::Transform half_scale; |
| half_scale.Scale(0.5, 0.5); |
| |
| gfx::Transform double_scale; |
| double_scale.Scale(2, 2); |
| |
| Occlusion some_occluded_half( |
| half_scale, SimpleEnclosedRegion(5, 5), SimpleEnclosedRegion(5, 5, 5, 5)); |
| Occlusion some_occluded_double(double_scale, |
| SimpleEnclosedRegion(20, 20), |
| SimpleEnclosedRegion(20, 20, 20, 20)); |
| gfx::Rect full_query_result_half = |
| some_occluded_half.GetUnoccludedContentRect(gfx::Rect(20, 20)); |
| gfx::Rect full_query_result_double = |
| some_occluded_double.GetUnoccludedContentRect(gfx::Rect(20, 20)); |
| EXPECT_EQ(gfx::Rect(20, 20), full_query_result_half); |
| EXPECT_EQ(gfx::Rect(20, 20), full_query_result_double); |
| |
| gfx::Rect half_query_result_half = |
| some_occluded_half.GetUnoccludedContentRect(gfx::Rect(10, 0, 10, 20)); |
| gfx::Rect half_query_result_double = |
| some_occluded_half.GetUnoccludedContentRect(gfx::Rect(10, 0, 10, 20)); |
| EXPECT_EQ(gfx::Rect(10, 0, 10, 10), half_query_result_half); |
| EXPECT_EQ(gfx::Rect(10, 0, 10, 10), half_query_result_double); |
| } |
| |
| TEST(OcclusionTest, GetUnoccludedContentRectTranslated) { |
| gfx::Transform move_left; |
| move_left.Translate(-100, 0); |
| |
| gfx::Transform move_down; |
| move_down.Translate(0, 100); |
| |
| Occlusion some_occluded_left(move_left, |
| SimpleEnclosedRegion(-100, 0, 10, 10), |
| SimpleEnclosedRegion(-90, 10, 10, 10)); |
| Occlusion some_occluded_down(move_down, |
| SimpleEnclosedRegion(0, 100, 0, 10), |
| SimpleEnclosedRegion(10, 110, 10, 10)); |
| |
| gfx::Rect full_query_result_left = |
| some_occluded_left.GetUnoccludedContentRect(gfx::Rect(20, 20)); |
| gfx::Rect full_query_result_down = |
| some_occluded_down.GetUnoccludedContentRect(gfx::Rect(20, 20)); |
| EXPECT_EQ(gfx::Rect(20, 20), full_query_result_left); |
| EXPECT_EQ(gfx::Rect(20, 20), full_query_result_down); |
| |
| gfx::Rect half_query_result_left = |
| some_occluded_left.GetUnoccludedContentRect(gfx::Rect(10, 0, 10, 20)); |
| gfx::Rect half_query_result_down = |
| some_occluded_down.GetUnoccludedContentRect(gfx::Rect(10, 0, 10, 20)); |
| EXPECT_EQ(gfx::Rect(10, 0, 10, 10), half_query_result_left); |
| EXPECT_EQ(gfx::Rect(10, 0, 10, 10), half_query_result_down); |
| } |
| |
| } // namespace |
| } // namespace cc |
