Checking for valid colorType, alphaType, colorSpace in SkCodec

bench/ColorCodecBench.cpp

Index: bench/ColorCodecBench.cpp
diff --git a/bench/ColorCodecBench.cpp b/bench/ColorCodecBench.cpp
index 0687f9ca7ed93cd3277d7d1a92f9f7a67319b671..9f57ddc623596fa4b7830e881dc9b8d4e5f56900 100644
--- a/bench/ColorCodecBench.cpp
+++ b/bench/ColorCodecBench.cpp
@@ -162,10 +162,13 @@ void ColorCodecBench::onDelayedSetup() {
 
     fSrcInfo = codec->getInfo().makeColorType(kRGBA_8888_SkColorType);
 
-    fDstInfo = fSrcInfo.makeColorSpace(fDstSpace);
     if (FLAGS_half) {
         fDstInfo = fDstInfo.makeColorType(kRGBA_F16_SkColorType);
+        fDstSpace = fDstSpace->makeLinearGamma();
     }
+
+    fDstInfo = fSrcInfo.makeColorSpace(fDstSpace);
+
     fDst.reset(fDstInfo.getSafeSize(fDstInfo.minRowBytes()));
 
     if (FLAGS_xform_only) {