1 files changed, 135 insertions, 0 deletions
diff --git a/cc/texture_layer.cc b/cc/texture_layer.cc
new file mode 100644
index 0000000..e1b4851
--- /dev/null
+++ b/cc/texture_layer.cc
@@ -0,0 +1,135 @@
+// Copyright 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "TextureLayerChromium.h"
+
+#include "CCLayerTreeHost.h"
+#include "CCTextureLayerImpl.h"
+#include "GraphicsContext3D.h"
+#include "TextureLayerChromiumClient.h"
+#include <public/WebGraphicsContext3D.h>
+
+namespace cc {
+
+scoped_refptr<TextureLayerChromium> TextureLayerChromium::create(TextureLayerChromiumClient* client)
+{
+    return scoped_refptr<TextureLayerChromium>(new TextureLayerChromium(client));
+}
+
+TextureLayerChromium::TextureLayerChromium(TextureLayerChromiumClient* client)
+    : LayerChromium()
+    , m_client(client)
+    , m_flipped(true)
+    , m_uvRect(0, 0, 1, 1)
+    , m_premultipliedAlpha(true)
+    , m_rateLimitContext(false)
+    , m_contextLost(false)
+    , m_textureId(0)
+{
+}
+
+TextureLayerChromium::~TextureLayerChromium()
+{
+    if (layerTreeHost()) {
+        if (m_textureId)
+            layerTreeHost()->acquireLayerTextures();
+        if (m_rateLimitContext && m_client)
+            layerTreeHost()->stopRateLimiter(m_client->context());
+    }
+}
+
+scoped_ptr<CCLayerImpl> TextureLayerChromium::createCCLayerImpl()
+{
+    return CCTextureLayerImpl::create(m_layerId).PassAs<CCLayerImpl>();
+}
+
+void TextureLayerChromium::setFlipped(bool flipped)
+{
+    m_flipped = flipped;
+    setNeedsCommit();
+}
+
+void TextureLayerChromium::setUVRect(const FloatRect& rect)
+{
+    m_uvRect = rect;
+    setNeedsCommit();
+}
+
+void TextureLayerChromium::setPremultipliedAlpha(bool premultipliedAlpha)
+{
+    m_premultipliedAlpha = premultipliedAlpha;
+    setNeedsCommit();
+}
+
+void TextureLayerChromium::setRateLimitContext(bool rateLimit)
+{
+    if (!rateLimit && m_rateLimitContext && m_client && layerTreeHost())
+        layerTreeHost()->stopRateLimiter(m_client->context());
+
+    m_rateLimitContext = rateLimit;
+}
+
+void TextureLayerChromium::setTextureId(unsigned id)
+{
+    if (m_textureId == id)
+        return;
+    if (m_textureId && layerTreeHost())
+        layerTreeHost()->acquireLayerTextures();
+    m_textureId = id;
+    setNeedsCommit();
+}
+
+void TextureLayerChromium::willModifyTexture()
+{
+    if (layerTreeHost())
+        layerTreeHost()->acquireLayerTextures();
+}
+
+void TextureLayerChromium::setNeedsDisplayRect(const FloatRect& dirtyRect)
+{
+    LayerChromium::setNeedsDisplayRect(dirtyRect);
+
+    if (m_rateLimitContext && m_client && layerTreeHost())
+        layerTreeHost()->startRateLimiter(m_client->context());
+}
+
+void TextureLayerChromium::setLayerTreeHost(CCLayerTreeHost* host)
+{
+    if (m_textureId && layerTreeHost() && host != layerTreeHost())
+        layerTreeHost()->acquireLayerTextures();
+    LayerChromium::setLayerTreeHost(host);
+}
+
+bool TextureLayerChromium::drawsContent() const
+{
+    return (m_client || m_textureId) && !m_contextLost && LayerChromium::drawsContent();
+}
+
+void TextureLayerChromium::update(CCTextureUpdateQueue& queue, const CCOcclusionTracker*, CCRenderingStats&)
+{
+    if (m_client) {
+        m_textureId = m_client->prepareTexture(queue);
+        m_contextLost = m_client->context()->getGraphicsResetStatusARB() != GraphicsContext3D::NO_ERROR;
+    }
+
+    m_needsDisplay = false;
+}
+
+void TextureLayerChromium::pushPropertiesTo(CCLayerImpl* layer)
+{
+    LayerChromium::pushPropertiesTo(layer);
+
+    CCTextureLayerImpl* textureLayer = static_cast<CCTextureLayerImpl*>(layer);
+    textureLayer->setFlipped(m_flipped);
+    textureLayer->setUVRect(m_uvRect);
+    textureLayer->setPremultipliedAlpha(m_premultipliedAlpha);
+    textureLayer->setTextureId(m_textureId);
+}
+
+}
+#endif // USE(ACCELERATED_COMPOSITING)