commit de47928988138babdf2997095f2332ec021f9805
author Robert Phillips <robertphillips@google.com> Tue Aug 28 11:20:08 2018 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Tue Aug 28 16:30:17 2018 +0000
tree f396e17ddc7a01e0dc50b6e02b4cf5944121084c
parent 153e76d4bf870f0247e9f1ec29f29b7f2108553a

Add a flag to disable mask-filtered mask caching for Chrome

This close to branching, I'm inclined to disable this for M70.

Here is the Chrome-side CL that sets the flag:

https://chromium-review.googlesource.com/c/chromium/src/+/1193968 (
Disable mask-filtered mask caching in Skia)

Bug: 878195
Change-Id: Ifaf92fac80b75431badb52e0e5b09ccc57c08d8e
Reviewed-on: https://skia-review.googlesource.com/150080
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

src/gpu/GrBlurUtils.cpp

diff --git a/src/gpu/GrBlurUtils.cpp b/src/gpu/GrBlurUtils.cpp
index 15bd128..7680b7d 100644
--- a/src/gpu/GrBlurUtils.cpp
+++ b/src/gpu/GrBlurUtils.cpp
@@ -298,8 +298,12 @@
 
     // To prevent overloading the cache with entries during animations we limit the cache of masks
     // to cases where the matrix preserves axis alignment.
+#ifdef SK_DISABLE_MASKFILTERED_MASK_CACHING
+    bool useCache = false;
+#else
     bool useCache = !inverseFilled && viewMatrix.preservesAxisAlignment() &&
                     shape->hasUnstyledKey() && as_MFB(maskFilter)->asABlur(nullptr);
+#endif
 
     const SkIRect* boundsForClip = &devClipBounds;
     if (useCache) {