Don't pre-allocate GrTextBlobCache space

Let the pool handle the initial allocation on first use.

Change-Id: I77e0a84f19ccefa0c3bf298483929345787c0d7e
Reviewed-on: https://skia-review.googlesource.com/22078
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Eric Karl <ericrk@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>

1 files changed, 2 insertions, 5 deletions

diff --git a/src/gpu/text/GrTextBlobCache.h b/src/gpu/text/GrTextBlobCache.h
index 87a3751bf8..b294534775 100644
--- a/src/gpu/text/GrTextBlobCache.h
+++ b/src/gpu/text/GrTextBlobCache.h
@@ -24,7 +24,7 @@ public:
     typedef void (*PFOverBudgetCB)(void* data);
 
     GrTextBlobCache(PFOverBudgetCB cb, void* data)
-        : fPool(kPreAllocSize, kMinGrowthSize)
+        : fPool(0u, kMinGrowthSize)
         , fCallback(cb)
         , fData(data)
         , fBudget(kDefaultBudget) {
@@ -216,10 +216,7 @@ private:
         }
     }
 
-    // Budget was chosen to be ~4 megabytes.  The min alloc and pre alloc sizes in the pool are
-    // based off of the largest cached textblob I have seen in the skps(a couple of kilobytes).
-    static const int kPreAllocSize = 1 << 17;
-    static const int kMinGrowthSize = 1 << 17;
+    static const int kMinGrowthSize = 1 << 16;
     static const int kDefaultBudget = 1 << 22;
     GrMemoryPool fPool;
     BitmapBlobList fBlobList;