Bug 220000 – [WinCairo][WebGL] webgl/1.0.3/conformance/misc/uninitialized-test.html is failing only for Debug builds

• Status: RESOLVED
• Resolution: FIXED
• Component: WebGL

[Fujii Hironori]

[WinCairo][WebGL] webgl/1.0.3/conformance/misc/uninitialized-test.html is failing only for Debug builds

The following test cases are failing only for Debug builds.

webgl/1.0.3/conformance/misc/uninitialized-test.html
webgl/1.0.3/conformance/renderbuffers/framebuffer-state-restoration.html
webgl/1.0.3/conformance/renderbuffers/renderbuffer-initialization.html
webgl/1.0.3/conformance/textures/texture-attachment-formats.html
webgl/1.0.3/conformance/textures/texture-mips.html

It seems that ANGLE fills uninitialized buffers with color instread of black transparent.

[Fujii Hironori]

Created attachment 416486 [details]
layout-test-results/webgl/1.0.3/conformance/misc/uninitialized-test-actual.txt

[Fujii Hironori]

Created attachment 416488 [details]
WIP patch (libANGLE/renderer/renderer_utils.cpp)

[Fujii Hironori]

Created attachment 416499 [details]
Patch

[Kenneth Russell]

+jonahr and geofflang from ANGLE team as FYI

[Kenneth Russell]

Comment on attachment 416499 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=416499&action=review

Good find; looks good to me. r+

> Source/WebCore/platform/graphics/win/PlatformDisplayWin.cpp:36
> +    EGLint attributs[] = {

Typo: attributes

[Fujii Hironori]

Committed r271015: <https://trac.webkit.org/changeset/271015>

[Radar WebKit Bug Importer]

<rdar://problem/72531245>

[Fujii Hironori]

Committed r271016: <https://trac.webkit.org/changeset/271016>