submodule/skia/infra/bots/assets/text_blob_traces/README.md

   1 Text Blob Traces
   2 ================
   3
   4 Create
   5 ------
   6
   7 Download and build Chromium as usual, but add the line
   8
   9     #define SK_CAPTURE_DRAW_TEXT_BLOB
  10
  11 to the top of `third_party/skia/src/core/SkRemoteGlyphCache.h`.
  12 Run `chrome --no-sandbox URL` Trace files will be written to the current
  13 working directory.  Use `blob_cache_sim` to check the contents of the trace.
  14
  15 Upload
  16 ------
  17
  18 To upload a new version of the assets, first place the new version in the
  19 directory `text_blob_traces`, then execute:
  20
  21     infra/bots/assets/assets.py upload -t text_blob_traces text_blob_traces
  22
  23 Then commit the file `infra/bots/assets/text_blob_traces/VERSION`
  24
  25 Download
  26 --------
  27
  28 Execute:
  29
  30     infra/bots/assets/assets.py download -t text_blob_traces text_blob_traces
  31
  32 Run Bench and Simulator
  33 -----------------------
  34
  35     tools/git-sync-deps
  36     bin/gn gen out/release --args='is_debug=false'
  37     ninja -C out/release nanobench blob_cache_sim
  38
  39     out/release/nanobench -m SkDiffBench --texttraces text_blob_traces -q
  40
  41     out/release/blob_cache_sim text_blob_traces/*