[skottie] Switch to RapidJSON

- pull latest RapidJSON under third_party/externals/rapidjson
  (note: and older RS version is already pulled as part of angle2,
  and it is also checked in G3)

- add a thin Json porting layer (SkottieJson) to isolate RS
  idiosyncrasies

- convert Skottie to use the new helpers

- parse the DOM in-place (based on local experiments this is the
  fastest method)

Ta-da: Skottie now parses JSON ~10x faster!


Change-Id: Ida9099638f88ed025fee83055c8cd8680ee27176
Reviewed-on: https://skia-review.googlesource.com/125744
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/BUILD.gn b/BUILD.gn
index 4ce762529f..66dac2c237 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1446,7 +1446,6 @@ if (skia_enable_tools) {
 
   test_lib("experimental_skottie") {
     public_include_dirs = []
-    include_dirs = [ "tools" ]
     if (skia_enable_skottie) {
       public_include_dirs += [ "experimental/skottie" ]
       public_defines = [ "SK_ENABLE_SKOTTIE" ]
@@ -1454,13 +1453,13 @@ if (skia_enable_tools) {
         "experimental/skottie/Skottie.cpp",
         "experimental/skottie/SkottieAdapter.cpp",
         "experimental/skottie/SkottieAnimator.cpp",
-        "experimental/skottie/SkottieParser.cpp",
+        "experimental/skottie/SkottieJson.cpp",
         "experimental/skottie/SkottieValue.cpp",
       ]
       deps = [
         ":experimental_sksg",
         ":skia",
-        "//third_party/jsoncpp",
+        "//third_party/rapidjson",
       ]
     }
   }