commit b4021cfd6630dccc95ee1d4124cad41c79103129
author egdaniel <egdaniel@google.com> Thu Jul 28 08:53:07 2016 -0700
committer Commit bot <commit-bot@chromium.org> Thu Jul 28 08:53:07 2016 -0700
tree ea5659d2084c055c7c5a956d159912d2d9141289
parent 92772222bf548acf937761eb5150d5bb8e4a7bc4

Don't call finish on GrDrawTarget if we drew no batches

This might give us some minor perf gains in vulkan since we won't be submitting
command buffers that we've added to batch draws to. Running nanobench this does
seem to happen pretty often.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2179903008

Review-Url: https://codereview.chromium.org/2179903008

src/gpu/GrDrawTarget.cpp

diff --git a/src/gpu/GrDrawTarget.cpp b/src/gpu/GrDrawTarget.cpp
index d03130d..717cd5d 100644
--- a/src/gpu/GrDrawTarget.cpp
+++ b/src/gpu/GrDrawTarget.cpp
@@ -216,6 +216,9 @@
 }
 
 void GrDrawTarget::drawBatches(GrBatchFlushState* flushState) {
+    if (0 == fRecordedBatches.count()) {
+        return;
+    }
     // Draw all the generated geometry.
     SkRandom random;
     GrRenderTarget* currentRT = nullptr;