/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <gtest/gtest.h> #include <DamageAccumulator.h> #include <Matrix.h> #include <utils/LinearAllocator.h> #include <SkRect.h> using namespace android; using namespace android::uirenderer; // Test that push & pop are propegating the dirty rect // There is no transformation of the dirty rect, the input is the same // as the output. TEST(DamageAccumulator, identity) { DamageAccumulator da; Matrix4 identity; SkRect curDirty; identity.loadIdentity(); da.pushTransform(&identity); da.dirty(50, 50, 100, 100); da.pushTransform(&identity); da.peekAtDirty(&curDirty); ASSERT_EQ(SkRect(), curDirty); da.popTransform(); da.peekAtDirty(&curDirty); ASSERT_EQ(SkRect::MakeLTRB(50, 50, 100, 100), curDirty); da.popTransform(); da.finish(&curDirty); ASSERT_EQ(SkRect::MakeLTRB(50, 50, 100, 100), curDirty); } // Test that transformation is happening at the correct levels via // peekAtDirty & popTransform. Just uses a simple translate to test this TEST(DamageAccumulator, translate) { DamageAccumulator da; Matrix4 translate; SkRect curDirty; translate.loadTranslate(25, 25, 0); da.pushTransform(&translate); da.dirty(50, 50, 100, 100); da.peekAtDirty(&curDirty); ASSERT_EQ(SkRect::MakeLTRB(50, 50, 100, 100), curDirty); da.popTransform(); da.finish(&curDirty); ASSERT_EQ(SkRect::MakeLTRB(75, 75, 125, 125), curDirty); } // Test that dirty rectangles are being unioned across "siblings TEST(DamageAccumulator, union) { DamageAccumulator da; Matrix4 identity; SkRect curDirty; identity.loadIdentity(); da.pushTransform(&identity); da.pushTransform(&identity); da.dirty(50, 50, 100, 100); da.popTransform(); da.pushTransform(&identity); da.dirty(150, 50, 200, 125); da.popTransform(); da.popTransform(); da.finish(&curDirty); ASSERT_EQ(SkRect::MakeLTRB(50, 50, 200, 125), curDirty); }