Use sampling for bitmap shaders

Change-Id: Ifa656ffc83a1adb5670cff1e2ce77f2edb1d6b03
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/343776
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/gm/tilemodes_scaled.cpp b/gm/tilemodes_scaled.cpp
index fc5ebeb..251edd7 100644
--- a/gm/tilemodes_scaled.cpp
+++ b/gm/tilemodes_scaled.cpp
@@ -167,7 +167,7 @@
 static sk_sp<SkShader> make_bm(SkTileMode tx, SkTileMode ty) {
     SkBitmap bm;
     makebm(&bm, kN32_SkColorType, gWidth, gHeight);
-    return bm.makeShader(tx, ty);
+    return bm.makeShader(tx, ty, SkSamplingOptions());
 }
 
 static sk_sp<SkShader> make_grad(SkTileMode tx, SkTileMode ty) {