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Commit 5ce4e2e7 authored by Chris Craik's avatar Chris Craik Committed by Android (Google) Code Review
Browse files

Merge "Avoid reentrance on ClipArea APIs" into nyc-dev

parents 2344c6a2 bf27b995

libs/hwui/ClipArea.cpp

+3 −1
Original line number Diff line number Diff line
@@ -253,7 +253,9 @@ void ClipArea::clipPathWithTransform(const SkPath& path, const mat4* transform, 
    path.transform(skTransform, &transformed);

    SkRegion region;

    regionFromPath(transformed, region);

    clipRegion(region, op);

    enterRegionMode();

    mClipRegion.op(region, op);

    onClipRegionUpdated();

}



/*

libs/hwui/tests/unit/ClipAreaTests.cpp

+15 −0
Original line number Diff line number Diff line
@@ -132,6 +132,7 @@ TEST(ClipArea, serializeClip) { 
        auto serializedClip = area.serializeClip(allocator);

        ASSERT_NE(nullptr, serializedClip);

        ASSERT_EQ(ClipMode::Rectangle, serializedClip->mode);

        ASSERT_FALSE(serializedClip->intersectWithRoot) << "No replace, so no intersectWithRoot";

        EXPECT_EQ(Rect(200, 200), serializedClip->rect);

        EXPECT_EQ(serializedClip, area.serializeClip(allocator))

                << "Requery of clip on unmodified ClipArea must return same pointer.";
@@ -145,6 +146,7 @@ TEST(ClipArea, serializeClip) { 
        auto serializedClip = area.serializeClip(allocator);

        ASSERT_NE(nullptr, serializedClip);

        ASSERT_EQ(ClipMode::RectangleList, serializedClip->mode);

        ASSERT_FALSE(serializedClip->intersectWithRoot) << "No replace, so no intersectWithRoot";

        auto clipRectList = reinterpret_cast<const ClipRectList*>(serializedClip);

        EXPECT_EQ(2, clipRectList->rectList.getTransformedRectanglesCount());

        EXPECT_EQ(Rect(37, 54, 145, 163), clipRectList->rect);
@@ -160,6 +162,7 @@ TEST(ClipArea, serializeClip) { 
        auto serializedClip = area.serializeClip(allocator);

        ASSERT_NE(nullptr, serializedClip);

        ASSERT_EQ(ClipMode::Region, serializedClip->mode);

        ASSERT_TRUE(serializedClip->intersectWithRoot) << "Replace op, so expect intersectWithRoot";

        auto clipRegion = reinterpret_cast<const ClipRegion*>(serializedClip);

        EXPECT_EQ(SkIRect::MakeWH(200, 200), clipRegion->region.getBounds())

                << "Clip region should be 200x200";
@@ -169,6 +172,18 @@ TEST(ClipArea, serializeClip) { 
    }

}



TEST(ClipArea, serializeClip_pathIntersectWithRoot) {

    ClipArea area(createClipArea());

    LinearAllocator allocator;

    SkPath circlePath;

    circlePath.addCircle(100, 100, 100);

    area.clipPathWithTransform(circlePath, &Matrix4::identity(), SkRegion::kIntersect_Op);



    auto serializedClip = area.serializeClip(allocator);

    ASSERT_NE(nullptr, serializedClip);

    EXPECT_FALSE(serializedClip->intersectWithRoot) << "No replace, so no intersectWithRoot";

}



TEST(ClipArea, serializeIntersectedClip) {

    ClipArea area(createClipArea());

    LinearAllocator allocator;