DL-next groundwork

Initial groundwork / tests for the op-forward displaylist

Test: hwuiunit --gtest_filter=CanvasOpBuffer.*
Change-Id: I6a09d9841c964a67fde8203b979de3fd3fbd2026
diff --git a/libs/hwui/tests/common/CallCountingCanvas.h b/libs/hwui/tests/common/CallCountingCanvas.h
new file mode 100644
index 0000000..a965571
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+++ b/libs/hwui/tests/common/CallCountingCanvas.h
@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#pragma once
+
+#include <SkCanvasVirtualEnforcer.h>
+#include <SkNoDrawCanvas.h>
+
+namespace android {
+namespace uirenderer {
+namespace test {
+
+class CallCountingCanvas final : public SkCanvasVirtualEnforcer<SkNoDrawCanvas> {
+private:
+    int START_MARKER;
+public:
+    CallCountingCanvas() : SkCanvasVirtualEnforcer<SkNoDrawCanvas>(1, 1) {}
+
+    int sumTotalDrawCalls() {
+        // Dirty hack assumes we're nothing but ints between START_MARKET and END_MARKER
+        int* cur = &START_MARKER + 1;
+        int* end = &END_MARKER;
+        int sum = 0;
+        while (cur != end) {
+            sum += *cur;
+            cur++;
+        }
+        return sum;
+    }
+
+    int drawPaintCount = 0;
+    void onDrawPaint(const SkPaint& paint) override {
+        drawPaintCount++;
+    }
+
+    int drawBehindCount = 0;
+    void onDrawBehind(const SkPaint&) override {
+        drawBehindCount++;
+    }
+
+    int drawRectCount = 0;
+    void onDrawRect(const SkRect& rect, const SkPaint& paint) override {
+        drawRectCount++;
+    }
+
+    int drawRRectCount = 0;
+    void onDrawRRect(const SkRRect& rrect, const SkPaint& paint) override {
+        drawRRectCount++;
+    }
+
+    int drawDRRectCount = 0;
+    void onDrawDRRect(const SkRRect& outer, const SkRRect& inner,
+                      const SkPaint& paint) override {
+        drawDRRectCount++;
+    }
+
+    int drawOvalCount = 0;
+    void onDrawOval(const SkRect& rect, const SkPaint& paint) override {
+        drawOvalCount++;
+    }
+
+    int drawArcCount = 0;
+    void onDrawArc(const SkRect& rect, SkScalar startAngle, SkScalar sweepAngle, bool useCenter,
+                   const SkPaint& paint) override {
+        drawArcCount++;
+    }
+
+    int drawPathCount = 0;
+    void onDrawPath(const SkPath& path, const SkPaint& paint) override {
+        drawPaintCount++;
+    }
+
+    int drawRegionCount = 0;
+    void onDrawRegion(const SkRegion& region, const SkPaint& paint) override {
+        drawRegionCount++;
+    }
+
+    int drawTextBlobCount = 0;
+    void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
+                        const SkPaint& paint) override {
+        drawTextBlobCount++;
+    }
+
+    int drawPatchCount = 0;
+    void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
+                     const SkPoint texCoords[4], SkBlendMode mode,
+                     const SkPaint& paint) override {
+        drawPatchCount++;
+    }
+
+    int drawPoints = 0;
+    void onDrawPoints(SkCanvas::PointMode mode, size_t count, const SkPoint pts[],
+                      const SkPaint& paint) override {
+        drawPoints++;
+    }
+
+    int drawImageCount = 0;
+    void onDrawImage(const SkImage* image, SkScalar dx, SkScalar dy,
+                     const SkPaint* paint) override {
+        drawImageCount++;
+    }
+
+    int drawImageRectCount = 0;
+    void onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
+                         const SkPaint* paint, SkCanvas::SrcRectConstraint constraint) override {
+        drawImageRectCount++;
+    }
+
+    int drawImageNineCount = 0;
+    void onDrawImageNine(const SkImage* image, const SkIRect& center, const SkRect& dst,
+                         const SkPaint* paint) override {
+        drawImageNineCount++;
+    }
+
+    int drawImageLatticeCount = 0;
+    void onDrawImageLattice(const SkImage* image, const SkCanvas::Lattice& lattice,
+                            const SkRect& dst, const SkPaint* paint) override {
+        drawImageLatticeCount++;
+    }
+
+    int drawAtlasCount = 0;
+    void onDrawAtlas(const SkImage* atlas, const SkRSXform xform[], const SkRect rect[],
+                     const SkColor colors[], int count, SkBlendMode mode, const SkRect* cull,
+                     const SkPaint* paint) override {
+        drawAtlasCount++;
+    }
+
+    int drawAnnotationCount = 0;
+    void onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) override {
+        drawAnnotationCount++;
+    }
+
+    int drawShadowRecCount = 0;
+    void onDrawShadowRec(const SkPath&, const SkDrawShadowRec&) override {
+        drawShadowRecCount++;
+    }
+
+    int drawDrawableCount = 0;
+    void onDrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) override {
+        drawDrawableCount++;
+    }
+
+    int drawPictureCount = 0;
+    void onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
+                       const SkPaint* paint) override {
+        drawPictureCount++;
+    }
+
+private:
+    int END_MARKER;
+};
+
+} /* namespace test */
+} /* namespace uirenderer */
+} /* namespace android */
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