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NPAPI AsyncDrawing specification and implementation
Stage Landed
Status Complete
Release target Firefox 13
Health `
Status note This was on hold for agreement from plugin-futures, but we'd like to go ahead and implement this with Adobe so that we can move away from windowed plugins even without general buyin. This appears to be landed so I'm updating this feature page. Please revert if I'm wrong - Asa (2012-05-02)


Product manager Chris Blizzard
Directly Responsible Individual Josh Aas
Lead engineer Bas Schouten
Security lead Curtis Koenig
Privacy lead `
Localization lead `
Accessibility lead `
QA lead Virgil Dicu
UX lead `
Product marketing lead `
Operations lead `
Additional members `

Open issues/risks


Stage 1: Definition

1. Feature overview

This feature allows plugins to asynchronously draw to surfaces. These surfaces may be located in video memory, and so this allows hardware accelerated plugin drawing.

2. Users & use cases


  • Make it possible for plugins to draw, explicitly asynchronously, to a bitmap/software surface.
  • Make it possible for plugins to draw, explicitly asynchronously, to a hardware accelerated surface - DXGI or DirectX 9Ex.
  • Allow Flash to never request windowed plugin mode

3. Dependencies


4. Requirements

  • Needs testing with a version of Flash that implements the specification.
  • Needs a design and implementation security review.


  • Non-Windows implementations or specifications for accelerated drawing.

Stage 2: Design

5. Functional specification

6. User experience design


Stage 3: Planning

7. Implementation plan


8. Reviews

Security review

Privacy review


Localization review




Quality Assurance review

  • Patch still being developed

Operations review


Stage 4: Development

9. Implementation

The specification was designed by Bas Schouten and Josh Aas, with input from Robert O'Callahan. The Windows implementation is being done by Bas Schouten.

  • bug 651192 Implement new AsyncDrawing model for plugins

Next Steps

  • Complete the implementation of the specification.
  • Get a build of Flash that implements this specification.
  • Get the specification ratified by the plugin-futures group.

Stage 5: Release

10. Landing criteria


Feature details

Priority P2
Rank 999
Theme / Goal `
Roadmap Platform
Secondary roadmap Plugin Interactions
Feature list Platform
Project Flash
Engineering team Graphics

Team status notes

  status notes
Products ` `
Engineering ` `
Security sec-review-complete Notes
Privacy ` `
Localization ` `
Accessibility ` `
Quality assurance ` `
User experience ` `
Product marketing ` `
Operations ` `