Updated instructions for debugging SkPictures from Chromium

[Philip Rogers]

Now you can debug SkPictures using SkPictures. The Skia team wrote a new SkPicture debugger using Polymer and hosted it (semi-restricted access, but it's easy to run locally too).

Option A for devtools habitués:

  1) Run Chromium or Content Shell with --enable-gpu-benchmarking --no-sandbox

  2) Open the devtools console

  3) chrome.gpuBenchmarking.printToSkPicture('/tmp/awesomepicture.skp');

  4) Upload to https://debugger.skia.org!

Option B for friends of catapult/tracing:

  1) Run Chromium with --enable-gpu-benchmarking --no-sandbox

  2) Open a second tab and navigate to chrome://tracing

  3) Press Record, choose "Frame Viewer", press Record.

  4) Switch to the traced tab, then switch back to tracing.

  5) Scroll down and click on one of the green dots next to "cc::DisplayItemList"

  6) Click "Export list as SkPicture"

  7) Upload to https://debugger.skia.org!

More info: https://skia.org/dev/tools/debugger/

Happy debugging.

​

[Chris Harrelson]

Holy Spaceballs!!!

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[Stephen Chenney]

Pro tip, when going to https://debugger.skia.org/, make sure that the authentication flow does not add a '#' to the end of the URL. If it does, remove it before trying to load something.

On Wed, Jul 6, 2016 at 8:24 PM, Chris Harrelson <chri...@chromium.org> wrote:

Holy Spaceballs!!!

On Wed, Jul 6, 2016 at 5:22 PM, 'Philip Rogers' via paint-dev <pain...@chromium.org> wrote:

Now you can debug SkPictures using SkPictures. The Skia team wrote a new SkPicture debugger using Polymer and hosted it (semi-restricted access, but it's easy to run locally too).

Option A for devtools habitués:

  1) Run Chromium or Content Shell with --enable-gpu-benchmarking --no-sandbox

  2) Open the devtools console

  3) chrome.gpuBenchmarking.printToSkPicture('/tmp/awesomepicture.skp');

  4) Upload to https://debugger.skia.org!

Option B for friends of catapult/tracing:

  1) Run Chromium with --enable-gpu-benchmarking --no-sandbox

  2) Open a second tab and navigate to chrome://tracing

  3) Press Record, choose "Frame Viewer", press Record.

  4) Switch to the traced tab, then switch back to tracing.

  5) Scroll down and click on one of the green dots next to "cc::DisplayItemList"

  6) Click "Export list as SkPicture"

  7) Upload to https://debugger.skia.org!

More info: https://skia.org/dev/tools/debugger/

Happy debugging.

​

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