Add CC software renderer.

cc/CCDirectRenderer.cpp

 // Copyright 2012 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"
 
 #include "CCDirectRenderer.h"
 
 #include "CCMathUtil.h"
 #include <public/WebTransformationMatrix.h>
@@ skipping 195 matching lines @@
         texture->setIsComplete(!renderPass->hasOcclusionFromOutsideTargetSurface());
 }
 
 bool CCDirectRenderer::useRenderPass(DrawingFrame& frame, const CCRenderPass* renderPass)
 {
     frame.currentRenderPass = renderPass;
     frame.currentTexture = 0;
 
     if (renderPass == frame.rootRenderPass) {
         bindFramebufferToOutputSurface(frame);
-        initializeMatrices(frame, renderPass->outputRect(), true);
+        initializeMatrices(frame, renderPass->outputRect(), flippedFramebuffer());
         setDrawViewportSize(renderPass->outputRect().size());
         return true;
     }
 
     CachedTexture* texture = m_renderPassTextures.get(renderPass->id());
     ASSERT(texture);
     if (!texture->id() && !texture->allocate(CCRenderer::ImplPool, renderPassTextureSize(renderPass), renderPassTextureFormat(renderPass), CCResourceProvider::TextureUsageFramebuffer))
         return false;
 
     return bindFramebufferToTexture(frame, texture, renderPass->outputRect());
@@ skipping 11 matching lines @@
     return pass->outputRect().size();
 }
 
 // static
 GC3Denum CCDirectRenderer::renderPassTextureFormat(const CCRenderPass*)
 {
     return GraphicsContext3D::RGBA;
 }
 
 }