Support op dumping in new pipeline

bug:26565102

Change-Id: I266e420a2f18ba9ad62942b8a0de295dfa3a2a88
diff --git a/libs/hwui/OpDumper.cpp b/libs/hwui/OpDumper.cpp
new file mode 100644
index 0000000..c34cfbe
--- /dev/null
+++ b/libs/hwui/OpDumper.cpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2016 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 "OpDumper.h"
+
+#include "RecordedOp.h"
+
+namespace android {
+namespace uirenderer {
+
+#define STRINGIFY(n) #n,
+static const char* sOpNameLut[] = BUILD_FULL_OP_LUT(STRINGIFY);
+
+void OpDumper::dump(const RecordedOp& op, std::ostream& output, int level) {
+    for (int i = 0; i < level; i++) {
+        output << "  ";
+    }
+
+    Rect localBounds(op.unmappedBounds);
+    op.localMatrix.mapRect(localBounds);
+    output << sOpNameLut[op.opId] << " " << localBounds;
+
+    if (op.localClip && !op.localClip->rect.contains(localBounds)) {
+        output << std::fixed << std::setprecision(0)
+             << " clip=" << op.localClip->rect
+             << " mode=" << (int)op.localClip->mode;
+    }
+}
+
+} // namespace uirenderer
+} // namespace android