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If an abstract-vector or abstract-matrix is indexed with a non-constant index expression, then the resulting value is non-constant, and so cannot be abstract. In this situation the materialization cannot be done post-index, so materialization must happen on the object before indexing. Bug: chromium:1345468 Change-Id: I9f29dc40301779a7ff8f173724374bd845a3a5b9 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/96684 Reviewed-by: Antonio Maiorano <amaiorano@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@chromium.org>
9 lines
371 B
WebGPU Shading Language
9 lines
371 B
WebGPU Shading Language
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fn f(){
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const m = mat4x2(0, 0, 0, 0, 4., 0, 0, 0); // abstract matrix
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const v = vec2(0, 1); // abstract vector
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var i = 1; // runtime-evaluated index
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var a = m[i]; // materialize m before index
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var b = v[i]; // materialize v before index
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}
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