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Make vertex buffers optional in the TraditionalRaster pipeline and add VerticesFromVertexID.test#1155

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manon-traverse wants to merge 4 commits intollvm:mainfrom
Traverse-Research:optional-vertex-buffer
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Make vertex buffers optional in the TraditionalRaster pipeline and add VerticesFromVertexID.test#1155
manon-traverse wants to merge 4 commits intollvm:mainfrom
Traverse-Research:optional-vertex-buffer

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@manon-traverse manon-traverse commented May 5, 2026

Based on #1153
Fixes #1154

Add a TraditionalRaster test that doesn't use a vertex buffer, but generates a triangle using the SV_VertexID. This is a pretty common use case in game engines.

To make this work this changes makes the specifying a vertex buffer optional.

Golden image is introduced in: llvm/offload-golden-images#7

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Make specifying a vertex buffer optional

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