Update GrTextBlobCache for DDL

Although, theoretically, we could update the DDLs to maintain pointers to the GrMemoryPools being used by their GrAtlasTextBlobs this method seems simpler.

Change-Id: I4835284630b9cd29eb78cf25bcdfe5c56974a8cb
Reviewed-on: https://skia-review.googlesource.com/107345
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>

1 files changed, 6 insertions, 5 deletions

diff --git a/src/gpu/text/GrTextBlobCache.h b/src/gpu/text/GrTextBlobCache.h
index 7a5c3a8c28..eb2789a7c1 100644
--- a/src/gpu/text/GrTextBlobCache.h
+++ b/src/gpu/text/GrTextBlobCache.h
@@ -23,8 +23,8 @@ public:
      */
     typedef void (*PFOverBudgetCB)(void* data);
 
-    GrTextBlobCache(PFOverBudgetCB cb, void* data, uint32_t uniqueID)
-        : fPool(0u, kMinGrowthSize)
+    GrTextBlobCache(PFOverBudgetCB cb, void* data, uint32_t uniqueID, bool usePool)
+        : fPool(usePool ? new GrMemoryPool(0u, kMinGrowthSize) : nullptr)
         , fCallback(cb)
         , fData(data)
         , fBudget(kDefaultBudget)
@@ -36,14 +36,14 @@ public:
 
     // creates an uncached blob
     sk_sp<GrAtlasTextBlob> makeBlob(int glyphCount, int runCount) {
-        return GrAtlasTextBlob::Make(&fPool, glyphCount, runCount);
+        return GrAtlasTextBlob::Make(fPool, glyphCount, runCount);
     }
 
     sk_sp<GrAtlasTextBlob> makeBlob(const SkTextBlob* blob) {
         int glyphCount = 0;
         int runCount = 0;
         BlobGlyphCount(&glyphCount, &runCount, blob);
-        return GrAtlasTextBlob::Make(&fPool, glyphCount, runCount);
+        return GrAtlasTextBlob::Make(fPool, glyphCount, runCount);
     }
 
     sk_sp<GrAtlasTextBlob> makeCachedBlob(const SkTextBlob* blob,
@@ -171,10 +171,11 @@ private:
     }
 
     void checkPurge(GrAtlasTextBlob* blob = nullptr);
+    bool overBudget() const;
 
     static const int kMinGrowthSize = 1 << 16;
     static const int kDefaultBudget = 1 << 22;
-    GrMemoryPool fPool;
+    GrMemoryPool* fPool;
     BitmapBlobList fBlobList;
     SkTHashMap<uint32_t, BlobIDCacheEntry> fBlobIDCache;
     PFOverBudgetCB fCallback;