1 files changed, 128 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/android/ImageTexture.cpp b/Source/WebCore/platform/graphics/android/ImageTexture.cpp
new file mode 100644
index 0000000..7e71740
--- /dev/null
+++ b/Source/WebCore/platform/graphics/android/ImageTexture.cpp
@@ -0,0 +1,128 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "ImageTexture.h"
+
+#include "SkDevice.h"
+#include "TilesManager.h"
+
+#ifdef DEBUG
+
+#include <cutils/log.h>
+#include <wtf/CurrentTime.h>
+#include <wtf/text/CString.h>
+
+#undef XLOG
+#define XLOG(...) android_printLog(ANDROID_LOG_DEBUG, "ImageTexture", __VA_ARGS__)
+
+#else
+
+#undef XLOG
+#define XLOG(...)
+
+#endif // DEBUG
+
+namespace WebCore {
+
+ImageTexture::ImageTexture(SkBitmapRef* img)
+    : m_imageRef(img)
+    , m_image(0)
+    , m_textureId(0)
+    , m_refCount(0)
+{
+#ifdef DEBUG_COUNT
+    ClassTracker::instance()->increment("ImageTexture");
+#endif
+    if (!m_imageRef)
+        return;
+
+    SkBitmap* bitmap = &m_imageRef->bitmap();
+    m_image = new SkBitmap();
+    int w = bitmap->width();
+    int h = bitmap->height();
+    m_image->setConfig(SkBitmap::kARGB_8888_Config, w, h);
+    m_image->allocPixels();
+    SkDevice* device = new SkDevice(NULL, *m_image, false);
+    SkCanvas canvas;
+    canvas.setDevice(device);
+    device->unref();
+    SkRect dest;
+    dest.set(0, 0, w, h);
+    m_image->setIsOpaque(false);
+    m_image->eraseARGB(0, 0, 0, 0);
+    canvas.drawBitmapRect(*bitmap, 0, dest);
+}
+
+ImageTexture::~ImageTexture()
+{
+#ifdef DEBUG_COUNT
+    ClassTracker::instance()->decrement("ImageTexture");
+#endif
+    delete m_image;
+}
+
+void ImageTexture::prepare()
+{
+    if (m_textureId)
+        return;
+
+    glGenTextures(1, &m_textureId);
+    GLUtils::createTextureWithBitmap(m_textureId, *m_image);
+}
+
+void ImageTexture::draw(LayerAndroid* layer)
+{
+    if (!layer)
+        return;
+    if (!m_textureId)
+        return;
+    if (!m_image)
+        return;
+
+    SkRect rect;
+    rect.fLeft = 0;
+    rect.fTop = 0;
+    rect.fRight = layer->getSize().width();
+    rect.fBottom = layer->getSize().height();
+    TilesManager::instance()->shader()->drawLayerQuad(*layer->drawTransform(),
+                                                      rect, m_textureId,
+                                                      layer->drawOpacity(), true);
+}
+
+void ImageTexture::release()
+{
+    if (m_refCount >= 1)
+        m_refCount--;
+    if (!m_refCount)
+        deleteTexture();
+}
+
+void ImageTexture::deleteTexture()
+{
+   glDeleteTextures(1, &m_textureId);
+}
+
+} // namespace WebCore