Add a parameter GR_ALWAYS_ALLOCATE_ON_HEAP to allow for only ever creating temporary buffers on the…

include/gpu/GrConfig.h

Index: include/gpu/GrConfig.h
diff --git a/include/gpu/GrConfig.h b/include/gpu/GrConfig.h
index c0d90a368040ddae5da739698fd12efe482157d0..6d9460c215d4e9c6e217dfc89a8be063a44608fd 100644
--- a/include/gpu/GrConfig.h
+++ b/include/gpu/GrConfig.h
@@ -232,4 +232,13 @@ typedef unsigned __int64 uint64_t;
     #define GR_STROKE_PATH_RENDERING                 0
 #endif
 
+/**
+ * GR_ALWAYS_ALLOCATE_ON_HEAP determines whether various temporary buffers created
+ * in the GPU backend are always allocated on the heap or are allowed to be
+ * allocated on the stack for smaller memory requests.
+ */
+#if !defined(GR_ALWAYS_ALLOCATE_ON_HEAP)
+        #define GR_ALWAYS_ALLOCATE_ON_HEAP 0

[bsalomon, 2014/08/12 13:43:53]

Can you clarify that this is for buffers that will be passed to the 3D API (e.g.
as texture or geometry data).

Indentation seems off on #define (but could just be me, I'm using a browser
extension that sometimes messes up the spacing).

+#endif
+
 #endif