Reorganize platform/graphics/android

Change-Id: Idc67155cfa99784dcd931e705336bfa063ecae46

1 files changed, 117 insertions, 0 deletions

diff --git a/Source/WebCore/platform/graphics/android/rendering/PaintTileOperation.cpp b/Source/WebCore/platform/graphics/android/rendering/PaintTileOperation.cpp
new file mode 100644
index 0000000..b5e435b
--- /dev/null
+++ b/Source/WebCore/platform/graphics/android/rendering/PaintTileOperation.cpp
@@ -0,0 +1,117 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "PaintTileOperation"
+#define LOG_NDEBUG 1
+
+#include "config.h"
+#include "PaintTileOperation.h"
+
+#include "AndroidLog.h"
+#include "GLWebViewState.h"
+#include "ImageTexture.h"
+#include "ImagesManager.h"
+#include "LayerAndroid.h"
+#include "TilesManager.h"
+
+namespace WebCore {
+
+PaintTileOperation::PaintTileOperation(Tile* tile, TilePainter* painter,
+                                       GLWebViewState* state, bool isLowResPrefetch)
+    : m_tile(tile)
+    , m_painter(painter)
+    , m_state(state)
+    , m_isLowResPrefetch(isLowResPrefetch)
+{
+    if (m_tile)
+        m_tile->setRepaintPending(true);
+    SkSafeRef(m_painter);
+}
+
+PaintTileOperation::~PaintTileOperation()
+{
+    if (m_tile) {
+        m_tile->setRepaintPending(false);
+        m_tile = 0;
+    }
+
+    if (m_painter && m_painter->type() == TilePainter::Image) {
+        ImageTexture* image = static_cast<ImageTexture*>(m_painter);
+        ImagesManager::instance()->releaseImage(image->imageCRC());
+    } else {
+        SkSafeUnref(m_painter);
+    }
+}
+
+bool PaintTileOperation::operator==(const QueuedOperation* operation)
+{
+    const PaintTileOperation* op = static_cast<const PaintTileOperation*>(operation);
+    return op->m_tile == m_tile;
+}
+
+void PaintTileOperation::run()
+{
+    if (m_tile) {
+        m_tile->paintBitmap(m_painter);
+        m_tile->setRepaintPending(false);
+        m_tile = 0;
+    }
+}
+
+int PaintTileOperation::priority()
+{
+    if (!m_tile)
+        return -1;
+
+    int priority = 200000;
+
+    // prioritize low res while scrolling
+    if (m_isLowResPrefetch)
+        priority = m_state->isScrolling() ? 0 : 400000;
+
+    // prioritize higher draw count
+    unsigned long long currentDraw = TilesManager::instance()->getDrawGLCount();
+    unsigned long long drawDelta = currentDraw - m_tile->drawCount();
+    priority += 100000 * (int)std::min(drawDelta, (unsigned long long)1000);
+
+    // prioritize unpainted tiles, within the same drawCount
+    if (m_tile->frontTexture())
+        priority += 50000;
+
+    // for base tiles, prioritize based on position
+    if (!m_tile->isLayerTile()) {
+        bool goingDown = m_state->goingDown();
+        priority += m_tile->x();
+
+        if (goingDown)
+            priority += 100000 - (1 + m_tile->y()) * 1000;
+        else
+            priority += m_tile->y() * 1000;
+    }
+
+    return priority;
+}
+
+}