Reorganize platform/graphics/android

Change-Id: Idc67155cfa99784dcd931e705336bfa063ecae46

1 files changed, 147 insertions, 0 deletions

diff --git a/Source/WebCore/platform/graphics/android/rendering/TileTexture.cpp b/Source/WebCore/platform/graphics/android/rendering/TileTexture.cpp
new file mode 100644
index 0000000..39effd7
--- /dev/null
+++ b/Source/WebCore/platform/graphics/android/rendering/TileTexture.cpp
@@ -0,0 +1,147 @@
+/*
+ * 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 "TileTexture"
+#define LOG_NDEBUG 1
+
+#include "config.h"
+#include "TileTexture.h"
+
+#include "AndroidLog.h"
+#include "Tile.h"
+#include "ClassTracker.h"
+#include "DrawQuadData.h"
+#include "GLUtils.h"
+#include "GLWebViewState.h"
+#include "TextureOwner.h"
+#include "TilesManager.h"
+
+namespace WebCore {
+
+TileTexture::TileTexture(uint32_t w, uint32_t h)
+    : m_owner(0)
+    , m_isPureColor(false)
+{
+    m_size.set(w, h);
+    m_ownTextureId = 0;
+
+#ifdef DEBUG_COUNT
+    ClassTracker::instance()->increment("TileTexture");
+#endif
+}
+
+TileTexture::~TileTexture()
+{
+#ifdef DEBUG_COUNT
+    ClassTracker::instance()->decrement("TileTexture");
+#endif
+}
+
+void TileTexture::requireGLTexture()
+{
+    if (!m_ownTextureId)
+        m_ownTextureId = GLUtils::createTileGLTexture(m_size.width(), m_size.height());
+}
+
+void TileTexture::discardGLTexture()
+{
+    if (m_ownTextureId)
+        GLUtils::deleteTexture(&m_ownTextureId);
+
+    if (m_owner) {
+        // clear both Tile->Texture and Texture->Tile links
+        m_owner->removeTexture(this);
+        release(m_owner);
+    }
+}
+
+bool TileTexture::acquire(TextureOwner* owner, bool force)
+{
+    if (m_owner == owner)
+        return true;
+
+    return setOwner(owner, force);
+}
+
+bool TileTexture::setOwner(TextureOwner* owner, bool force)
+{
+    bool proceed = true;
+    if (m_owner && m_owner != owner)
+        proceed = m_owner->removeTexture(this);
+
+    if (proceed) {
+        m_owner = owner;
+        return true;
+    }
+
+    return false;
+}
+
+bool TileTexture::release(TextureOwner* owner)
+{
+    ALOGV("texture %p releasing tile %p, m_owner %p", this, owner, m_owner);
+    if (m_owner != owner)
+        return false;
+
+    m_owner = 0;
+    return true;
+}
+
+void TileTexture::transferComplete()
+{
+    if (m_owner) {
+        Tile* owner = static_cast<Tile*>(m_owner);
+        owner->backTextureTransfer();
+    } else
+        ALOGE("ERROR: owner missing after transfer of texture %p", this);
+}
+
+void TileTexture::drawGL(bool isLayer, const SkRect& rect, float opacity,
+                         const TransformationMatrix* transform,
+                         bool forceBlending)
+{
+    ShaderProgram* shader = TilesManager::instance()->shader();
+
+    if (isLayer && !transform) {
+        ALOGE("ERROR: Missing tranform for layers!");
+        return;
+    }
+
+    // For base layer, we just follow the forceBlending, otherwise, blending is
+    // always turned on.
+    // TODO: Don't blend tiles if they are fully opaque.
+    forceBlending |= isLayer;
+    DrawQuadData commonData(isLayer ? LayerQuad : BaseQuad, transform, &rect,
+                            opacity, forceBlending);
+    if (isPureColor()) {
+        PureColorQuadData data(commonData, pureColor());
+        shader->drawQuad(&data);
+    } else {
+        TextureQuadData data(commonData, m_ownTextureId, GL_TEXTURE_2D, GL_LINEAR);
+        shader->drawQuad(&data);
+    }
+}
+
+} // namespace WebCore