All source types working for linear pipeline.

bench/SkLinearBitmapPipelineBench.cpp

Index: bench/SkLinearBitmapPipelineBench.cpp
diff --git a/bench/SkLinearBitmapPipelineBench.cpp b/bench/SkLinearBitmapPipelineBench.cpp
index caf1844f59389c1d8355bb6e481b3bef1c9deacc..476d0152312ad23ca99b2c4c2a6cd9403b331f63 100644
--- a/bench/SkLinearBitmapPipelineBench.cpp
+++ b/bench/SkLinearBitmapPipelineBench.cpp
@@ -146,7 +146,7 @@ struct SkBitmapFPGeneral final : public CommonBitmapFPBenchmark {
         SkPixmap srcPixmap{fInfo, fBitmap.get(), static_cast<size_t>(4 * width)};
 
         SkLinearBitmapPipeline pipeline{
-            fInvert, filterQuality, fXTile, fYTile, 1.0f, srcPixmap};
+            fInvert, filterQuality, fXTile, fYTile, SK_ColorBLACK, srcPixmap};
 
         int count = 100;