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vkd3d-shader/hlsl: Allow non-constant deref propagation on SM1.

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Note that we still have to preempt the propagation to SM1 pixel shader
uniforms. Otherwise this will turn the many constant derefs that appear
from the <index-val> copy generated in lower_index_loads() into a single
non-constant deref, causing it to allocate all the registers instead of
up until the last one used.
This commit is contained in:
Francisco Casas
2025-03-17 21:35:00 -03:00
committed by Henri Verbeet
parent f65e6265e0
commit 3ead8d532b
Notes: Henri Verbeet 2025-04-02 19:43:14 +02:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1434
3 changed files with 11 additions and 11 deletions
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4
tests/hlsl/sm1-const-allocation.shader_test
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@@ -471,7 +471,7 @@ uniform 8 float 2
uniform 12 float 3
uniform 16 float 0
draw quad
todo probe (0, 0) rgba(1, 1, 1, 1)
probe (0, 0) rgba(1, 1, 1, 1)
uniform 16 float 1
draw quad
todo probe (0, 0) rgba(2, 2, 2, 2)
probe (0, 0) rgba(2, 2, 2, 2)