Add test of gl_VertexID and gl_InstanceID. #3484
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kdashg
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Includes details in new test about both state-of-specification, and known errata. Firefox bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1779800
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@kenrussell You can see the line that we might need to uncomment for now, depending on the state of the ANGLE-on-Metal rollout: Safari seems to pass even with that errata commented out, as does patched Firefox. |
kenrussell
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Sep 22, 2022
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This doesn't run in Chrome Canary or Firefox Nightly as is:
Uncaught (in promise) TypeError: Failed to execute 'getAttachedShaders' on 'WebGLRenderingContext': parameter 1 is not of type 'WebGLProgram'.
at fn (builtin-vert-attribs.html:234:36)
at builtin-vert-attribs.html:247:28
Could you please investigate and revise?
davychxn
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Jan 2, 2023
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| let fn = (vs) => { | ||
| //console.log({vs}); | ||
| const prog = wtu.setupProgram(gl, [vs, FS]); |
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Here, looks vs, fs should be ids of DOM elements, instead of source shaders, I think.
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Oh, sorry, how careless, missed other branches of if
davychxn
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Jan 2, 2023
| */ | ||
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| const wtu = WebGLTestUtils; | ||
| const gl = wtu.create3DContext('e_canvas'); |
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I think, we should create a webgl2 context here, maybe
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Includes details in new test about both state-of-specification, and known errata.
Firefox bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1779800