Add CC software renderer.

cc/CCRendererGL.cpp

 // 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 "CCRendererGL.h"
 
@@ skipping 925 matching lines @@
 
 void CCRendererGL::finishDrawingFrame(DrawingFrame& frame)
 {
     m_currentFramebufferLock.clear();
     m_swapBufferRect.unite(enclosingIntRect(frame.rootDamageRect));
 
     GLC(m_context, m_context->disable(GraphicsContext3D::SCISSOR_TEST));
     GLC(m_context, m_context->disable(GraphicsContext3D::BLEND));
 }
 
+bool CCRendererGL::flippedFramebuffer() const
+{
+    return true;
+}
+
 void CCRendererGL::toGLMatrix(float* flattened, const WebTransformationMatrix& m)
 {
     flattened[0] = m.m11();
     flattened[1] = m.m12();
     flattened[2] = m.m13();
     flattened[3] = m.m14();
     flattened[4] = m.m21();
     flattened[5] = m.m22();
     flattened[6] = m.m23();
     flattened[7] = m.m24();
@@ skipping 557 matching lines @@
 }
 
 bool CCRendererGL::isContextLost()
 {
     return (m_context->getGraphicsResetStatusARB() != GraphicsContext3D::NO_ERROR);
 }
 
 } // namespace cc
 
 #endif // USE(ACCELERATED_COMPOSITING)