Purge clip masks when they are no longer findable.

This improves memory usage when the content contains frequently changing clips implemented as masks.

BUG=chromium:676459

Change-Id: I06ea5f9fe1cff9564ea136bad9fe97f6ecd77ad9
Reviewed-on: https://skia-review.googlesource.com/6629
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>

1 files changed, 9 insertions, 9 deletions

diff --git a/src/gpu/GrClipStackClip.h b/src/gpu/GrClipStackClip.h
index f5b8411169..1c4d40b173 100644
--- a/src/gpu/GrClipStackClip.h
+++ b/src/gpu/GrClipStackClip.h
@@ -40,6 +40,9 @@ public:
 
     bool isRRect(const SkRect& rtBounds, SkRRect* rr, GrAA* aa) const override;
 
+    sk_sp<GrTexture> testingOnly_createClipMask(GrContext*) const;
+    static const char kMaskTestTag[];
+
 private:
     static bool PathNeedsSWRenderer(GrContext* context,
                                     bool hasUserStencilSettings,
@@ -51,18 +54,15 @@ private:
 
     // Creates an alpha mask of the clip. The mask is a rasterization of elements through the
     // rect specified by clipSpaceIBounds.
-    static sk_sp<GrTexture> CreateAlphaClipMask(GrContext*, const GrReducedClip&);
+    sk_sp<GrTexture> createAlphaClipMask(GrContext*, const GrReducedClip&) const;
 
     // Similar to createAlphaClipMask but it rasterizes in SW and uploads to the result texture.
-    static sk_sp<GrTexture> CreateSoftwareClipMask(GrContext*, const GrReducedClip&);
-
-   static bool UseSWOnlyPath(GrContext*,
-                             bool hasUserStencilSettings,
-                             const GrRenderTargetContext*,
-                             const GrReducedClip&);
+    sk_sp<GrTexture> createSoftwareClipMask(GrContext*, const GrReducedClip&) const;
 
-    static GrTexture* CreateCachedMask(int width, int height, const GrUniqueKey& key,
-                                       bool renderTarget);
+    static bool UseSWOnlyPath(GrContext*,
+                              bool hasUserStencilSettings,
+                              const GrRenderTargetContext*,
+                              const GrReducedClip&);
 
     SkIPoint                 fOrigin;
     sk_sp<const SkClipStack> fStack;