TPEGFX/2016-Q4

GFX Topics(from high to low priority)

• gfx Stability
• Quantum Compositor process (2016/Q4)
• WebGL2 conformance(2017/Q1 target at 51)
  • focus on [*] or [WI] first
• Quantum Rendering
• Canvas 2D perf(google sheet/streaming)
• DisplayList(layout related work)
• Paint correctness(buglist)
• Any layout works, ex: perf/CSS properties

Goal

ChihYi Leu

• Fix webgl conformance bugs
  • bug 1316539 - [WebGL2 conformance test]Pass 2/conformance/textures/misc/tex-sub-image-2d-bad-args.html
    • land
  • bug 1316544 - [WebGL2 conformance test] Pass 2/conformance2/textures/misc/copy-texture-image-webgl-specific.html
    • land
  • bug 1316546 - Failure on 2/conformance2/textures/misc/copy-texture-image.html
    • Test correctness under discussion
• Presentation skill
  • Proper speaking speed
  • Simple and clean description
• GFX Stability
  • Fix webGL crashes, mostly filed by sheriff
    • bug 1304291 - Assertion failure: [GFX1]: RGBX corner pixel at (0,0) in 1280x868 surface is not opaque: 0,0,0,0
      • land
    • bug 1290831 - Hit MOZ_CRASH(Unexpected error with MOZ_GL_DEBUG_ABORT_ON_ERROR. (Run with MOZ_GL_DEBUG_ABORT_ON_ERROR=0 to disable)) at GLContext.h:759
      • land
    • bug 1300549 - Assertion failure: blob->mHeight >= 1, at WebGLTextureUpload.cpp:155
      • land
    • bug 1316327 - Crash in mozilla::WebGLFramebuffer::BlitFramebuffer (Webgl2.0 regression)
      • land
    • bug 1309586 - Assertion failure: false at WebGLContext.cpp:2274
      • Discussed with Ethan, it's more important to mitigate using CPU-side conversion instead of remove the assertion here.
• Fix at least one crash from crash-stat (optional)

Daosheng Mu

• WebVR Gamepad support
  • bug 1299926 - [webvr] [meta] Support HTC Vive controllers - land
    • bug 1299928 - [webvr] Enumerate HTC Vive Controllers through the Gamepad API - land
    • bug 1299929 - [webvr] Support HTC Vive button inputs and analogue triggers in the Gamepad API - land
    • bug 1299930 - [webvr] Support HTC Vive controller trackpads through the Gamepad API - land
    • bug 1299932 - [webvr] Support HTC Vive orientation and position tracking in the Gamepad API - land
    • bug 1315636 - [webvr] Support HTC Vive button release - land
    • bug 1299937 - [webvr] Support HTC Vive Haptic Feedback - r?
    • bug 1313581 - [webvr] Support HTC Vive controller hand through the Gamepad API - land
  • bug 1318586 - [webvr] Adjust OpenVR controller button mapping - land
  • bug 1320633 - [webvr] Refresh for new controllers coming in gfxVROpenVR - land
  • bug 1316279 - [webvr] WebVR in out-of-process compositing mode - land
  • bug 1321505 - [webvr] After reloading pages, it can't enumerate the controllers - land
  • bug 1313585 - nsGlobalWindow needs to remove the existing gamepads while it is removed by GamepadManager. - land
  • bug 1310904 - --disable-gamepad build fails: dom/gamepad/ipc/GamepadEventTypes.ipdlh: fatal error: 'mozilla/dom/GamepadMessageUtils.h' file not found - land
  • bug 1317706 - Remove Pose WebIDL because we can move the sharing implementation to our c++ code - land
  • bug 1318618 - Support nsCString data type in gfxPrefs in OOP compositor - land
  • bug 1320343 - Preferences::SetBool called from the content process in VRManager - land
  • bug 1311587 - Crash in mozilla::gfx::VRControllerManagerOpenVR::HandleInput - land
  • bug 1315718 - mGamepadManager looks like a security hazard - land
  • bug 1315896 - Remove MOZ_GAMEPAD and adjust for other non gamepad support platforms build. - land
  • bug 1323088 - Firefox Nightly 53.0a1 (2016-12-11) crashes in [@ @0x0 | mozilla::gfx::VRControllerManagerOpenVR ... ] & [@ @0x0 | mozilla::gfx::VRManager ... ] - land
  • reviews
• WebGL2 conformance
  • focus on [*] or [WI] first in webgl2-conf
  • bug 1323626 - [WebGL2 conformance test] Pass conformance2/textures/misc/tex-mipmap-levels.html - help investigation
  • bug 1320030 - Failure in conformance/extensions/oes-vertex-array-object.html - help investigation
  • bug 1323367 - [WebGL2 conformance test] conformance2/textures/misc/tex-input-validation.html crash - help investigation
  • reviews
• Figure out Q1 testing plan for WebVR in Gecko
  • Discuss and file bug 1323327 - (webvr-conformance) [webvr] [meta] Implement Cross-Browser WebVR conformance suite and tools
  • Integrate our automated-test with OpenVR runtime source code to build up a conformance test suit like WebGL conformance tests.
• WebAPI practice
  • Figure out how to design good WebIDL bindings for developers. Focus on types, attribute, WebIDL DOM bindings, Extended Attribute.
  • Study
    • https://jstenback.wordpress.com/2012/04/07/history-of-mozillas-dom-bindings/
    • https://jstenback.wordpress.com/2012/04/11/new-dom-bindings/
    • http://tech.mozilla.com.tw/posts/1172/gecko-new-dom-bindings
    • http://tech.mozilla.com.tw/posts/5013/webidl-extended-attribute-大解密

Ethan Lin

• WebGL2 conformance
  • Update ANGLE/2862, ANGLE/2924
    • bug 1303443 - Update to ANGLE/2862
    • bug 1319004 - Update ANGLE to chromium/2924
  • Fix high-priority failures in webgl2-failures
  • review
• Stability
  • Fix webgl/canvas crash issues
    • bug 1298576 - Division exception/EXCEPTION_INT_OVERFLOW in WebGl shader compiler
    • bug 1299062 - heap-overflow and potential UAF [@mozilla::dom::CanvasRenderingContext2D::GetImageDataArray]
    • bug 1317640 - Crash [@ mozalloc_abort]
    • bug 1316926 - Security Bug
• Quantum Render
  • Address some rendering problems
    • bug 1321231 - Correct WebRenderLayer coordinate
    • bug 1324679 - Fix overflow area for wr_pop_dl_builder
  • Display Item conversion - nsDisplayBorder
    • bug 1322079 - Add support for border layers in WebRender LayerManager/Bridge code

Jerry Shih

• WebRender
  • Add shared texture support to WebRender
    • Add shared direct binding Texture support to WebRender
      • bug 1323143 - remove the reference of external images in previous frame when the render_backend produces a new frame
      • https://github.com/servo/webrender/pull/636
    • Handle LayerTransaction sync problem for WebRender render_backend thread model.
      • bug 1320320 - flush and wait the last frame's data before the webrender render() call
        • Will backout this bug after bug 1323143
  • Use compositable for WebRenderXXXLayer
    • bug 1321141 - make PWebRenderBridge support PCompositable
    • bug 1321144 - use ImageClient/Host in WebRenderXXXXLayer
    • bug 1325349 - use ImageLayer's imageContainer directly in WebRenderImageLayer
• css-color-4 supportion in gecko
  • bug 1295456 - Implement css-color-4 changes to color function syntax
• css-color-4 update for devtool
  • bug 1302787 - add devtools support for css-color-4
  • bug 1310681 - finish devtools support for css-color-4

Kevin Chen

• gfx Stability
  • Working on device reset crashes
    • bug 1317267 bug 1317131 bug 1309829 bug 1292273 bug 1160157 bug 1323407
  • Others
    • bug 1313135
• Figure out future plan
  • Do some studies via code review and bug fixing for future plan.
  • CSS Painting API
    • bug 1318573
  • Device Reset refactoring and stability

Morris Tseng

• Quantum Render
  • Build infra.
    • Separate bindings to different crate
    • Add compile option to exclude or include webrender.
    • Toggle webrender profiler by preference.
  • Merged all webrender commands to single transaction.
  • Using CanvasClient for WebRenderCanvasLayer.
• WebGL2 conformance tests
• Unshipped bitmaprenderer and rename the function to match spec.

Vincent Liu

• WebGL Stability and Conformance test.
  • all webgl2 crash bugs with all/windows categories in in webgl2-failures.
    • bug 1313584 - Hit MOZ_CRASH(GFX: Unhandled pname) at /Volumes/firefoxos/gecko-dev/dom/canvas/WebGLSampler.cpp:112
    • bug 1314505 - signal 11 was received by running dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/indexedstatequery.html
    • bug 1320613 - Crash in conformance/extensions/webgl-draw-buffers-feedback-loop.html
    • bug 1323122 - [In progress] Upgrade 2.0.0 Webgl conformance tests to top-of-tree
    • Arrange all webgl conformance test results on Etherpad in webgl2-failures.
  • Bug triages
    • bug 1319325 - Crash in read-pixels-pack-parameters.html
• GFX stability.
  • Bugs triages
    • bug 1309073 - Crashes when calling processOneGlyph() with finalPosition.fX = NaN
    • bug 1306890 - SEGV in SkBlitLCD16OpaqueRow_SSE2
    • bug 1311274 - Canvas2dContext filter: filter-function taints the canvas
  • Crash bugs
    • bug 1310064 - Crash in VerifyRGBXFormat in DrawTargetSkia.
  • fix at least one bug from crash-report.
    • bug 1322741 - [In progress] Crash in mozilla::layers::SyncObjectD3D11::Init
• Others
  • bug 1301459 - In nsSVGMaskFrame::GetMaskForMaskedFrame, create surface by Factory::CreateDataSourceSurface.