Manually generated sRGB mipmaps.

src/gpu/GrTexturePriv.h

Index: src/gpu/GrTexturePriv.h
diff --git a/src/gpu/GrTexturePriv.h b/src/gpu/GrTexturePriv.h
index fee7ed1f960df51275118278c70a0595ae366c21..762890fcc003adff2fdd9a12c3a4760066d010c2 100644
--- a/src/gpu/GrTexturePriv.h
+++ b/src/gpu/GrTexturePriv.h
@@ -29,7 +29,9 @@ public:
         return 0 != (fTexture->fDesc.fFlags & flags);
     }
 
-    void dirtyMipMaps(bool mipMapsDirty) { fTexture->dirtyMipMaps(mipMapsDirty); }
+    void dirtyMipMaps(bool mipMapsDirty, bool sRGBCorrect = false) {
+        fTexture->dirtyMipMaps(mipMapsDirty, sRGBCorrect);
+    }
 
     bool mipMapsAreDirty() const {
         return GrTexture::kValid_MipMapsStatus != fTexture->fMipMapsStatus;
@@ -47,6 +49,10 @@ public:
         return fTexture->fMaxMipMapLevel;
     }
 
+    bool mipMapsAreSRGBCorrect() const {
+        return fTexture->fMipMapsAreSRGBCorrect;
+    }
+
     static void ComputeScratchKey(const GrSurfaceDesc&, GrScratchKey*);
 
 private: