Add support for blending of LCD for all blend modes.

src/gpu/GrTextContext.cpp

Index: src/gpu/GrTextContext.cpp
diff --git a/src/gpu/GrTextContext.cpp b/src/gpu/GrTextContext.cpp
index 92a851bc5a59765542ce1a770671d37844f81657..300f55594ce1a22abe55be4e2ca3b252274bc51b 100644
--- a/src/gpu/GrTextContext.cpp
+++ b/src/gpu/GrTextContext.cpp
@@ -79,8 +79,9 @@ void GrTextContext::drawPosText(GrDrawContext* dc, GrRenderTarget* rt,
 }
 
 bool GrTextContext::ShouldDisableLCD(const SkPaint& paint) {

[robertphillips, 2015/09/03 13:28:41]

Can't we just pass nullptr to AsMode ?

[egdaniel, 2015/09/03 13:50:38]

Oh yeah, i originally had null here, then changed it to also need to check for
coeff modes only, then deleted coeff check when I realized advanced blends work
and forgot to change back to null.

+    SkXfermode::Mode mode;
     if (paint.getShader() ||
-        !SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrcOver_Mode) ||
+        !SkXfermode::AsMode(paint.getXfermode(), &mode) ||
         paint.getMaskFilter() ||
         paint.getRasterizer() ||
         paint.getColorFilter() ||