Tile profiling backend

Added tile profiling member (TilesProfiler) to TilesManager to track rendering status of tiles.

Change-Id: Ied828c6ad2a15588965e6641edecb162bd76bc62

1 files changed, 80 insertions, 0 deletions

diff --git a/Source/WebCore/platform/graphics/android/TilesProfiler.h b/Source/WebCore/platform/graphics/android/TilesProfiler.h
new file mode 100644
index 0000000..84f8f20
--- /dev/null
+++ b/Source/WebCore/platform/graphics/android/TilesProfiler.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2011, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef TilesProfiler_h
+#define TilesProfiler_h
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "Vector.h"
+
+namespace WebCore {
+
+struct TileProfileRecord {
+    TileProfileRecord(int x, int y, int isReady, int level) {
+        this->x = x;
+        this->y = y;
+        this->isReady = isReady;
+        this->level = level;
+    }
+    int x, y;
+    bool isReady;
+    int level;
+};
+
+class TilesProfiler {
+public:
+    TilesProfiler();
+
+    void start();
+    float stop();
+    void clear();
+    void nextFrame(int l, int t, int r, int b);
+    void nextTile(int x, int y, bool isReady, int level, bool inView);
+
+    int numFrames() {
+        return m_records.size();
+    };
+
+    int numTilesInFrame(int frame) {
+        return m_records[frame].size();
+    }
+
+    TileProfileRecord getTile(int frame, int tile) {
+        return m_records[frame][tile];
+    }
+
+private:
+    bool m_enabled;
+    unsigned int m_goodTiles;
+    unsigned int m_badTiles;
+    Vector<Vector<TileProfileRecord> > m_records;
+    double m_time;
+};
+
+} // namespace WebCore
+
+#endif // USE(ACCELERATED_COMPOSITING)
+#endif // TilesProfiler_h