Optimized implementation of quickReject()

tests/QuickRejectTest.cpp

Index: tests/QuickRejectTest.cpp
diff --git a/tests/QuickRejectTest.cpp b/tests/QuickRejectTest.cpp
index 6a978743f604bde2902dd6a30006830bed711c59..b39484bd89c488578fa24b6a1db1d370a4bbfad8 100644
--- a/tests/QuickRejectTest.cpp
+++ b/tests/QuickRejectTest.cpp
@@ -103,7 +103,45 @@ static void test_layers(skiatest::Reporter* reporter) {
     REPORTER_ASSERT(reporter, false == canvas.quickReject(SkRect::MakeWH(60, 60)));
 }
 
+static void test_quick_reject(skiatest::Reporter* reporter) {
+    SkCanvas canvas(100, 100);
+    SkRect r0 = SkRect::MakeLTRB(-50.0f, -50.0f, 50.0f, 50.0f);
+    SkRect r1 = SkRect::MakeLTRB(-50.0f, 110.0f, 50.0f, 120.0f);
+    SkRect r2 = SkRect::MakeLTRB(110.0f, -50.0f, 120.0f, 50.0f);
+    SkRect r3 = SkRect::MakeLTRB(-120.0f, -50.0f, 120.0f, 50.0f);
+    SkRect r4 = SkRect::MakeLTRB(-50.0f, -120.0f, 50.0f, 120.0f);
+    SkRect r5 = SkRect::MakeLTRB(-120.0f, -120.0f, 120.0f, 120.0f);
+    SkRect r6 = SkRect::MakeLTRB(-120.0f, -120.0f, -110.0f, -110.0f);
+    SkRect r7 = SkRect::MakeLTRB(SK_ScalarNaN, -50.0f, 50.0f, 50.0f);
+    SkRect r8 = SkRect::MakeLTRB(-50.0f, SK_ScalarNaN, 50.0f, 50.0f);
+    SkRect r9 = SkRect::MakeLTRB(-50.0f, -50.0f, SK_ScalarNaN, 50.0f);
+    SkRect r10 = SkRect::MakeLTRB(-50.0f, -50.0f, 50.0f, SK_ScalarNaN);
+    REPORTER_ASSERT(reporter, false == canvas.quickReject(r0));
+    REPORTER_ASSERT(reporter, true == canvas.quickReject(r1));
+    REPORTER_ASSERT(reporter, true == canvas.quickReject(r2));
+    REPORTER_ASSERT(reporter, false == canvas.quickReject(r3));
+    REPORTER_ASSERT(reporter, false == canvas.quickReject(r4));
+    REPORTER_ASSERT(reporter, false == canvas.quickReject(r5));
+    REPORTER_ASSERT(reporter, true == canvas.quickReject(r6));
+    REPORTER_ASSERT(reporter, true == canvas.quickReject(r7));
+    REPORTER_ASSERT(reporter, true == canvas.quickReject(r8));
+    REPORTER_ASSERT(reporter, true == canvas.quickReject(r9));
+    REPORTER_ASSERT(reporter, true == canvas.quickReject(r10));
+
+    SkMatrix m = SkMatrix::MakeScale(2.0f);
+    m.setTranslateX(10.0f);
+    m.setTranslateY(10.0f);
+    canvas.setMatrix(m);
+    SkRect r11 = SkRect::MakeLTRB(5.0f, 5.0f, 100.0f, 100.0f);
+    SkRect r12 = SkRect::MakeLTRB(5.0f, 50.0f, 100.0f, 100.0f);
+    SkRect r13 = SkRect::MakeLTRB(50.0f, 5.0f, 100.0f, 100.0f);
+    REPORTER_ASSERT(reporter, false == canvas.quickReject(r11));
+    REPORTER_ASSERT(reporter, true == canvas.quickReject(r12));
+    REPORTER_ASSERT(reporter, true == canvas.quickReject(r13));
+}
+
 DEF_TEST(QuickReject, reporter) {
     test_drawBitmap(reporter);
     test_layers(reporter);
+    test_quick_reject(reporter);
 }