Disable preemptive batch preparation
Preemptive batch preparation makes MultiDrawBuffer more difficult to implement. This CL disables it.
BUG=skia:4094
Review URL: https://codereview.chromium.org/1430403002
diff --git a/src/gpu/GrBatchAtlas.cpp b/src/gpu/GrBatchAtlas.cpp
index 8f866e7..2d90206 100644
--- a/src/gpu/GrBatchAtlas.cpp
+++ b/src/gpu/GrBatchAtlas.cpp
@@ -331,6 +331,8 @@
SkDEBUGCODE(bool verify = )newPlot->addSubImage(width, height, image, loc);
SkASSERT(verify);
+ // Note that this plot will be uploaded inline with the draws whereas the
+ // one it displaced most likely was uploaded asap.
newPlot->setLastUploadToken(batchTarget->currentToken());
SkAutoTUnref<GrPlotUploader> uploader(new GrPlotUploader(newPlot, fTexture));
batchTarget->upload(uploader);