[cc] Color evicted vs. invalidated checkerboard tiles differently

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 266 matching lines @@
         break;
     }
 }
 
 void CCRendererGL::drawCheckerboardQuad(const DrawingFrame& frame, const CCCheckerboardDrawQuad* quad)
 {
     const TileCheckerboardProgram* program = tileCheckerboardProgram();
     ASSERT(program && program->initialized());
     GLC(context(), context()->useProgram(program->program()));
 
+    SkColor color = quad->color();
+    GLC(context(), context()->uniform4f(program->fragmentShader().colorLocation(), SkColorGetR(color) / 255.0, SkColorGetG(color) / 255.0, SkColorGetB(color), 1));

[jamesr, 2012/09/21 22:28:08]

why are you dividing red and green by 255.0 but leaving blue alone?

+
     IntRect tileRect = quad->quadRect();
     float texOffsetX = tileRect.x();
     float texOffsetY = tileRect.y();
     float texScaleX = tileRect.width();
     float texScaleY = tileRect.height();
     GLC(context(), context()->uniform4f(program->fragmentShader().texTransformLocation(), texOffsetX, texOffsetY, texScaleX, texScaleY));
 
     const int checkerboardWidth = 16;
     float frequency = 1.0 / checkerboardWidth;
 
@@ skipping 1216 matching lines @@
 }
 
 bool CCRendererGL::isContextLost()
 {
     return (m_context->getGraphicsResetStatusARB() != GraphicsContext3D::NO_ERROR);
 }
 
 } // namespace cc
 
 #endif // USE(ACCELERATED_COMPOSITING)