[Webkit-unassigned] [Bug 182367] New: Rendering SVG images with same size as WebGL texture doesn't work correctly

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=182367

            Bug ID: 182367
           Summary: Rendering SVG images with same size as WebGL texture
                    doesn't work correctly
           Product: WebKit
           Version: Safari 11
          Hardware: Macintosh
                OS: macOS 10.13
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: yifso at microsoft.com
                CC: dino at apple.com

JSFiddler:
http://jsfiddle.net/t5jy8ufm/

Repro steps:
1. Load multiple SVG images. All these SVG images should have the same size (size means Height x Width. This is the key to repro).
2. Convert each of them to texture. Then, render the texture on canvas.

Expected (behavior in Edge/Chrome/FF):
These textures are rendered one by one. There is no overlap between them.

Actual (behavior in Safari):
They are rendered one by one, somehow the latter images will “reuse” the rendering of a previous image, causing incorrect results.

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