Add a generalized array of bytes with a given alignment

Change-Id: I1bf453754bdc16452aff7d6d63ef464c7edf6df3
Reviewed-on: https://skia-review.googlesource.com/108062
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Mike Klein <mtklein@chromium.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/core/SkArenaAlloc.h b/src/core/SkArenaAlloc.h
index 2f23382ac1..c9e7274e63 100644
--- a/src/core/SkArenaAlloc.h
+++ b/src/core/SkArenaAlloc.h
@@ -137,6 +137,13 @@ public:
         return array;
     }
 
+    // Only use makeBytesAlignedTo if none of the typed variants are impractical to use.
+    void* makeBytesAlignedTo(size_t size, size_t align) {
+        auto objStart = this->allocObject(SkTo<uint32_t>(size), SkTo<uint32_t>(align));
+        fCursor = objStart + size;
+        return objStart;
+    }
+
     // Destroy all allocated objects, free any heap allocations.
     void reset();