Selected a much better HotSort "shape" for NVIDIA.
Updated kernel building scripts.
Documentation updates.

NOTREECHECKS=true
NOTRY=true
NOPRESUBMIT=true
Bug: skia:
Change-Id: I79292c14bd358259e6a5c919a0538f140e9a5032
Reviewed-on: https://skia-review.googlesource.com/153166
Reviewed-by: Allan MacKinnon <allanmac@google.com>
Commit-Queue: Allan MacKinnon <allanmac@google.com>
Auto-Submit: Allan MacKinnon <allanmac@google.com>
diff --git a/src/compute/common/macros.h b/src/compute/common/macros.h
index d65c126..ef0f02d 100644
--- a/src/compute/common/macros.h
+++ b/src/compute/common/macros.h
@@ -57,8 +57,8 @@
 //
 //
 
-#define STRINGIFY2_MACRO(a)     #a
-#define STRINGIFY_MACRO(a)      STRINGIFY2_MACRO(a)
+#define STRINGIFY_MACRO_2(a)    #a
+#define STRINGIFY_MACRO(a)      STRINGIFY_MACRO_2(a)
 
 //
 //