From 2e510fd5b5a30f1315c272d44ae3aa4cba355498 Mon Sep 17 00:00:00 2001
From: Nicolas Roard <nicolasroard@google.com>
Date: Fri, 6 Apr 2012 11:35:50 -0700
Subject: Reorganize platform/graphics/android

Change-Id: Idc67155cfa99784dcd931e705336bfa063ecae46
---
 .../graphics/android/rendering/TilesProfiler.cpp   | 133 +++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 Source/WebCore/platform/graphics/android/rendering/TilesProfiler.cpp

(limited to 'Source/WebCore/platform/graphics/android/rendering/TilesProfiler.cpp')

diff --git a/Source/WebCore/platform/graphics/android/rendering/TilesProfiler.cpp b/Source/WebCore/platform/graphics/android/rendering/TilesProfiler.cpp
new file mode 100644
index 0000000..4f0c6b5
--- /dev/null
+++ b/Source/WebCore/platform/graphics/android/rendering/TilesProfiler.cpp
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2010, 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.
+ */
+
+#define LOG_TAG "TilesProfiler"
+#define LOG_NDEBUG 1
+
+#include "config.h"
+#include "TilesProfiler.h"
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "AndroidLog.h"
+#include "Tile.h"
+#include "TilesManager.h"
+#include <wtf/CurrentTime.h>
+
+// Hard limit on amount of frames (and thus memory) profiling can take
+#define MAX_PROF_FRAMES 400
+#define INVAL_CODE -2
+
+namespace WebCore {
+TilesProfiler::TilesProfiler()
+    : m_enabled(false)
+{
+}
+
+void TilesProfiler::start()
+{
+    m_enabled = true;
+    m_goodTiles = 0;
+    m_badTiles = 0;
+    m_records.clear();
+    m_time = currentTimeMS();
+    ALOGV("initializing tileprofiling");
+}
+
+float TilesProfiler::stop()
+{
+    m_enabled = false;
+    ALOGV("completed tile profiling, observed %d frames", m_records.size());
+    return (1.0 * m_goodTiles) / (m_goodTiles + m_badTiles);
+}
+
+void TilesProfiler::clear()
+{
+    ALOGV("clearing tile profiling of its %d frames", m_records.size());
+    m_records.clear();
+}
+
+void TilesProfiler::nextFrame(int left, int top, int right, int bottom, float scale)
+{
+    if (!m_enabled || (m_records.size() > MAX_PROF_FRAMES))
+        return;
+
+    double currentTime = currentTimeMS();
+    double timeDelta = currentTime - m_time;
+    m_time = currentTime;
+
+#ifdef DEBUG
+    if (m_records.size() != 0) {
+        ALOGD("completed tile profiling frame, observed %d tiles. %f ms since last",
+              m_records[0].size(), timeDelta);
+    }
+#endif // DEBUG
+
+    m_records.append(WTF::Vector<TileProfileRecord>());
+
+    //first record designates viewport
+    m_records.last().append(TileProfileRecord(
+                                left, top, right, bottom,
+                                scale, true, (int)(timeDelta * 1000)));
+}
+
+void TilesProfiler::nextTile(Tile* tile, float scale, bool inView)
+{
+    if (!m_enabled || (m_records.size() > MAX_PROF_FRAMES) || (m_records.size() == 0))
+        return;
+
+    bool isReady = tile->isTileReady();
+    int left = tile->x() * TilesManager::tileWidth();
+    int top = tile->y() * TilesManager::tileWidth();
+    int right = left + TilesManager::tileWidth();
+    int bottom = top + TilesManager::tileWidth();
+
+    if (inView) {
+        if (isReady)
+            m_goodTiles++;
+        else
+            m_badTiles++;
+    }
+    m_records.last().append(TileProfileRecord(
+                                left, top, right, bottom,
+                                scale, isReady, (int)tile->drawCount()));
+    ALOGV("adding tile %d %d %d %d, scale %f", left, top, right, bottom, scale);
+}
+
+void TilesProfiler::nextInval(const SkIRect& rect, float scale)
+{
+    if (!m_enabled || (m_records.size() > MAX_PROF_FRAMES) || (m_records.size() == 0))
+        return;
+
+    m_records.last().append(TileProfileRecord(
+                                rect.x(), rect.y(),
+                                rect.right(), rect.bottom(), scale, false, INVAL_CODE));
+    ALOGV("adding inval region %d %d %d %d, scale %f", rect.x(), rect.y(),
+          rect.right(), rect.bottom(), scale);
+}
+
+} // namespace WebCore
+
+#endif // USE(ACCELERATED_COMPOSITING)
-- 
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