Add standard way to indicate GM is GPU-only.

TBR=egdaniel@google.com,mtklein@google.com

Review URL: https://codereview.chromium.org/869393007

1 files changed, 2 insertions, 0 deletions

diff --git a/gm/texdata.cpp b/gm/texdata.cpp
index dafd579e1f..4644758344 100644
--- a/gm/texdata.cpp
+++ b/gm/texdata.cpp
@@ -128,6 +128,8 @@ protected:
                                      4 * stride);
                 ctx->drawRect(paint, vm, SkRect::MakeWH(2*S, 2*S));
             }
+        } else {
+            this->drawGpuOnlyMessage(canvas);
         }
     }