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Document accurate root cause for post-#1695 pixel-diff fallouts #1704

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Merged
bkaradzic-microsoft merged 2 commits into from
May 21, 2026
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Merged

Document accurate root cause for post-#1695 pixel-diff fallouts #1704

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b094b58
Triage post-SPIRV-Cross-bump pixel-diff fallout
bkaradzic-microsoft May 16, 2026
9098918
Drop BN-rendered reference image re-bakes from earlier triage
bkaradzic-microsoft May 18, 2026
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10 changes: 5 additions & 5 deletions Apps/Playground/Scripts/config.json
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Original file line number Diff line number Diff line change
Expand Up @@ -2298,7 +2298,7 @@
"title": "Baked Vertex Animation",
"playgroundId": "#14WJWW#13",
"excludeFromAutomaticTesting": true,
"reason": "Test crashes or hangs on Babylon Native",
"reason": "Pixel-diff against Babylon.js reference after SPIRV-Cross bump (#1695): animation timing renders one frame off. Cannot re-bake from BN renderer per project policy.",
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"referenceImage": "bakedVertexAnimation.png"
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},
{
Expand Down Expand Up @@ -2526,7 +2526,7 @@
"playgroundId": "#PIZ1GK#1500",
"renderCount": 5,
"excludeFromAutomaticTesting": true,
"reason": "Test crashes or hangs on Babylon Native",
"reason": "NativeEngine Screen Space Reflections do not render the wet/reflective floor surface; SSR effect produces less reflection than WebGL reference.",
"referenceImage": "Screen-Space-Reflections-2.png"
},
{
Expand Down Expand Up @@ -2568,7 +2568,7 @@
"title": "Sprites Pixel Perfect",
"playgroundId": "#ZX8DJ3#10",
"excludeFromAutomaticTesting": true,
"reason": "Test crashes or hangs on Babylon Native",
"reason": "NativeEngine Sprite renderer shows opaque black background instead of transparent pixels around sprite quad; sprite alpha-blending regression.",
"referenceImage": "Sprites-Pixel-Perfect.png"
},
{
Expand Down Expand Up @@ -2751,7 +2751,7 @@
"title": "soft-transparent-shadows",
"playgroundId": "#G3DJGA#0",
"excludeFromAutomaticTesting": true,
"reason": "Test crashes or hangs on Babylon Native",
"reason": "NativeEngine soft shadow filtering produces grainy/aliased shadows instead of smooth filtered output; filter quality regression vs WebGL reference.",
"referenceImage": "soft-transparent-shadows.png"
},
{
Expand Down Expand Up @@ -2781,7 +2781,7 @@
"playgroundId": "#MJ59Y8#18",
"renderCount": 10,
"excludeFromAutomaticTesting": true,
"reason": "Test crashes or hangs on Babylon Native",
"reason": "Pixel-diff against Babylon.js reference after SPIRV-Cross bump (#1695): post-process noise pattern differs. Cannot re-bake from BN renderer per project policy.",
"referenceImage": "apply-all-post-processes.png"
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},
{
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