1 files changed, 115 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/android/rendering/RasterRenderer.cpp b/Source/WebCore/platform/graphics/android/rendering/RasterRenderer.cpp
new file mode 100644
index 0000000..b880eef
--- /dev/null
+++ b/Source/WebCore/platform/graphics/android/rendering/RasterRenderer.cpp
@@ -0,0 +1,115 @@
+/*
+ * 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 "RasterRenderer"
+#define LOG_NDEBUG 1
+
+#include "config.h"
+#include "RasterRenderer.h"
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "AndroidLog.h"
+#include "GLUtils.h"
+#include "SkBitmap.h"
+#include "SkBitmapRef.h"
+#include "SkCanvas.h"
+#include "SkDevice.h"
+#include "Tile.h"
+#include "TilesManager.h"
+
+namespace WebCore {
+
+SkBitmap* RasterRenderer::g_bitmap = 0;
+
+RasterRenderer::RasterRenderer() : BaseRenderer(BaseRenderer::Raster)
+{
+#ifdef DEBUG_COUNT
+    ClassTracker::instance()->increment("RasterRenderer");
+#endif
+    if (!g_bitmap) {
+        g_bitmap = new SkBitmap();
+        g_bitmap->setConfig(SkBitmap::kARGB_8888_Config,
+                           TilesManager::instance()->tileWidth(),
+                           TilesManager::instance()->tileHeight());
+        g_bitmap->allocPixels();
+    }
+}
+
+RasterRenderer::~RasterRenderer()
+{
+#ifdef DEBUG_COUNT
+    ClassTracker::instance()->decrement("RasterRenderer");
+#endif
+}
+
+void RasterRenderer::setupCanvas(const TileRenderInfo& renderInfo, SkCanvas* canvas)
+{
+    if (renderInfo.baseTile->isLayerTile()) {
+        g_bitmap->setIsOpaque(false);
+        g_bitmap->eraseARGB(0, 0, 0, 0);
+    } else {
+        Color defaultBackground = Color::white;
+        Color* background = renderInfo.tilePainter->background();
+        if (!background) {
+            ALOGV("No background color for base layer!");
+            background = &defaultBackground;
+        }
+        ALOGV("setupCanvas use background on Base Layer %x", background->rgb());
+        g_bitmap->setIsOpaque(!background->hasAlpha());
+        g_bitmap->eraseARGB(background->alpha(), background->red(),
+                            background->green(), background->blue());
+    }
+
+    SkDevice* device = new SkDevice(*g_bitmap);
+
+    canvas->setDevice(device);
+
+    device->unref();
+
+    // If we have a partially painted bitmap
+    if (renderInfo.invalRect) {
+        SkRect clipRect = SkRect::MakeWH(renderInfo.invalRect->width(),
+                                         renderInfo.invalRect->height());
+        // ensure the canvas origin is translated to the coordinates of our inval rect
+        canvas->clipRect(clipRect);
+        canvas->translate(-renderInfo.invalRect->fLeft, -renderInfo.invalRect->fTop);
+    }
+}
+
+void RasterRenderer::renderingComplete(const TileRenderInfo& renderInfo, SkCanvas* canvas)
+{
+    const SkBitmap& bitmap = canvas->getDevice()->accessBitmap(false);
+    GLUtils::paintTextureWithBitmap(&renderInfo, bitmap);
+}
+
+void RasterRenderer::checkForPureColor(TileRenderInfo& renderInfo, SkCanvas* canvas)
+{
+    renderInfo.isPureColor = GLUtils::isPureColorBitmap(*g_bitmap, renderInfo.pureColor);
+}
+
+} // namespace WebCore
+
+#endif // USE(ACCELERATED_COMPOSITING)