SRGB read and write pixels working and unit test

Review URL: https://codereview.chromium.org/1264003002

2 files changed, 11 insertions, 2 deletions

diff --git a/include/gpu/GrCaps.h b/include/gpu/GrCaps.h
index 6b24ecd6bf..5452eb329f 100644
--- a/include/gpu/GrCaps.h
+++ b/include/gpu/GrCaps.h
@@ -106,8 +106,6 @@ private:
  */
 class GrCaps : public SkRefCnt {
 public:
-    
-
     GrCaps(const GrContextOptions&);
 
     virtual SkString dump() const;
diff --git a/include/gpu/GrTypes.h b/include/gpu/GrTypes.h
index 1f83b64d9d..082cdf1dc4 100644
--- a/include/gpu/GrTypes.h
+++ b/include/gpu/GrTypes.h
@@ -313,6 +313,17 @@ static inline bool GrPixelConfigIs8888(GrPixelConfig config) {
     }
 }
 
+// Returns true if the color (non-alpha) components represent sRGB values. It does NOT indicate that
+// all three color components are present in the config or anything about their order.
+static inline bool GrPixelConfigIsSRGB(GrPixelConfig config) {
+    switch (config) {
+        case kSRGBA_8888_GrPixelConfig:
+            return true;
+        default:
+            return false;
+    }
+}
+
 // Takes a config and returns the equivalent config with the R and B order
 // swapped if such a config exists. Otherwise, kUnknown_GrPixelConfig
 static inline GrPixelConfig GrPixelConfigSwapRAndB(GrPixelConfig config) {