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Support multiple unbounded arrays within a single SRG #25

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Support multiple unbounded arrays within a single SRG #25

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Commits on Mar 27, 2022

  1. Spill DX12 unbounded array space assignments 

    DX12 binding semantics assign a register to each binding in an array and
do not permit overlap. Spaces act as a "namespace" to permit multiple
unbounded arrays to be present in a shader. Instead of restricting
unbounded array use within an SRG, this change modifies the space
assignment strategy. Unbounded arrays (on platforms that require it,
DX12 in this case) are designated a unique space, starting from 1000 and
counting up. This "spill space" is orthogonal to the space assignment
corresponding with the SRG frequency.

Signed-off-by: Jeremy Ong <[email protected]>
    @jeremyong-az
    jeremyong-az committed Mar 27, 2022
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