Overview

Purpose

The purpose of this document is to describe the Unaccelerated Compositor Process feature from a testing perspective, including the following details:

• Scope, focus areas and objectives of testing
• Owners and points of contact for areas of responsibility
• Strategy and types of testing
• The entry and exit criteria
• The basis of the test estimates
• Any risks, issues, assumptions and test dependencies
• The test schedule and major milestones
• The test deliverables

Ownership

Scope

The following is in scope for testing:

• Windows 7 Platform Update and later
• Systems with hardware that is blacklisted or otherwise unable to activate hardware acceleration
• Systems with hardware that is capable of hardware acceleration but have hardware acceleration disabled

The following is out of scope for testing:

• Linux
• Mac OS
• Windows 7 prior to Platform Update

Schedule

Test Coverage

• Operating Systems:
  • Windows 7 Platform Update
  • Windows 8
  • Windows 10
  • 32-bit and 64-bit versions
• Hardware:
  • AMD graphics cards with latest stable and beta driver versions
  • Intel graphics cards with latest stable and beta driver versions
  • NVIDIA graphics cards with latest stable and beta driver versions
• Software:
  • 32-bit versions of Firefox with and without themes enabled
  • 64-bit versions of Firefox with and without themes enabled
• Displays:
  • Single and multiple display configurations
  • Lo-DPI and Hi-DPI configurations
  • Default, first-party, and third-party custom themes (OS-level and Firefox)
• Use cases:
  • Make sure a GPU Process is activated when hardware acceleration is enabled
  • Make sure a GPU Process is activated when hardware acceleration is disabled
  • Make sure a GPU Process is *not* activated when layers.gpu-process.software is disabled
  • Conduct top-site A/B testing with and without a GPU Process (incl. video, webgl, canvas, svg, PDFs, and other "rich content" websites)
• Look for:
  • Stability problems which only occur when the GPU Process is active
  • Performance problems which only occur when the GPU Process is active
  • Correctness problems which only occur when the GPU Process is active

Release Criteria

• Nightly > Beta sign-off
  • [DROPPED] Telemetry A/B experiment finds no major divergences in stability (Owner: Anthony Hughes) - bug 1367246 blocked by bug 1367823
  • [DONE] Manual testing by Softvision finds no major regressions (Owner: Softvision)
  • [DONE] Bug triage by Softvision finds no major regressions (Owner: Softvision)
  • [DONE] Top crash triage finds no major stability regressions (Owner: Anthony Hughes)
  • [DONE] Sign-off email to Drivers (Owner: Softvision)
  • Release notes verified and signed off (Owner: Anthony Hughes)

• Beta > Release sign-off
  • Telemetry A/B experiment finds no major divergences in stability (Owner: Anthony Hughes)
  • Manual testing by Betabreakers finds no major regressions (Owner: Anthony Hughes)
  • Manual testing by Softvision finds no major regressions (Owner: Softvision)
  • Bug triage by Softvision finds no major regressions (Owner: Softvision)
  • Top crash triage finds no major stability regressions (Owner: Anthony Hughes)
  • Community testing during at least one testday reveals no major regressions (Owner: Softvision)
  • User feedback channels reveal no major regressions (Owner: Softvision)
  • Release notes verified and signed off (Owner: Anthony Hughes)
  • Sign-off email to Drivers (Owner: Softvision)

Bugs

Meta Bug - Dependency Tree

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