240558 2022-05-17 19:37:19 -0700 Shader not working 2022-05-23 01:41:57 -0700 1 1 1 Unclassified WebKit WebGL Safari 15 Unspecified Unspecified RESOLVED DUPLICATE 238174 P2 Normal --- 1 markus webkit-unassigned dino kbr kkinnunen simon.fraser oldest_to_newest 1869906 0 markus 2022-05-17 19:37:19 -0700 https://www.shadertoy.com/view/flSBDV does not seem to work on Safari but works well in Chrome. 1870609 1 ap 2022-05-19 19:36:12 -0700 Is this actually a WebGL issue? I see that there is an exception raised from ctx.drawImage(). 1871092 2 kkinnunen 2022-05-23 01:39:39 -0700 This should be fixed in macOS 12.5 beta 1. *** This bug has been marked as a duplicate of bug 238174 *** 1871095 3 kkinnunen 2022-05-23 01:41:57 -0700 The root cause is that the shadertoy ui tries to draw a 0,0 image when using 3d textures in shadertoy ui. This trigger an exception, a bug in Safari.