LLVM Compiler build fix.

* platform/graphics/ShadowBlur.cpp:
(WebCore::ShadowBlur::blurLayerImage): Eliminated a file static that generated
a global initializer since the compiler does not evaluate sqrtf at compile time.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@79128 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/WebCore/ChangeLog

+2011-02-19  Dan Bernstein  <mitz@apple.com>
+
+        LLVM Compiler build fix.
+
+        * platform/graphics/ShadowBlur.cpp:
+        (WebCore::ShadowBlur::blurLayerImage): Eliminated a file static that generated
+        a global initializer since the compiler does not evaluate sqrtf at compile time.
+
 2011-02-19  Brian Ryner  <bryner@chromium.org>
 
         Reviewed by Adam Barth.

Source/WebCore/platform/graphics/ShadowBlur.cpp

@@ -144,7 +144,6 @@ ShadowBlur::ShadowBlur(float radius, const FloatSize& offset, const Color& color
 
 // Instead of integer division, we use 17.15 for fixed-point division.
 static const int blurSumShift = 15;
-static const float gaussianKernelFactor = 3 / 4.f * sqrtf(2 * piFloat);
 
 void ShadowBlur::blurLayerImage(unsigned char* imageData, const IntSize& size, int rowStride)
 {
@@ -167,6 +166,7 @@ void ShadowBlur::blurLayerImage(unsigned char* imageData, const IntSize& size, i
         // However, shadows rendered according to that spec will extend a little further than m_blurRadius,
         // so we apply a fudge factor to bring the radius down slightly.
         float stdDev = m_blurRadius / 2;
+        const float gaussianKernelFactor = 3 / 4.f * sqrtf(2 * piFloat);
         const float fudgeFactor = 0.88f;
         diameter = max(2, static_cast<int>(floorf(stdDev * gaussianKernelFactor * fudgeFactor + 0.5f)));
     }