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vkd3d-shader/dxil: Emit 16-bit structured TGSMs as minimum precision.

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This commit is contained in:
Giovanni Mascellani
2025-05-29 19:06:40 +02:00
committed by Henri Verbeet
parent 5e1c8056ae
commit 39603f4bc2
Notes: Henri Verbeet 2025-06-18 15:59:59 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1568
2 changed files with 13 additions and 10 deletions
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5
libs/vkd3d-shader/dxil.c
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@@ -3744,7 +3744,10 @@ static void sm6_parser_declare_tgsm_structured(struct sm6_parser *sm6, const str
dst_param_init(&ins->declaration.tgsm_structured.reg);
dst->value_type = VALUE_TYPE_GROUPSHAREDMEM;
dst->u.groupsharedmem.id = sm6->tgsm_count++;
dst->structure_stride = elem_type->u.width / 8u;
dst->structure_stride = elem_type->u.width / CHAR_BIT;
/* Convert minimum precision types to their 32-bit equivalent. */
if (dst->structure_stride == 2)
dst->structure_stride = 4;
sm6_register_from_value(&ins->declaration.tgsm_structured.reg.reg, dst, sm6);
if (dst->structure_stride != 4)
{

18
tests/hlsl/tgsm.shader_test
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@@ -263,15 +263,15 @@ void main(uint local_idx : SV_GroupIndex, uint group_id : SV_GroupID)
}
[test]
todo dispatch 2 1 1
todo probe uav 0 (0) u32(0x18)
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todo(sm<6) dispatch 2 1 1
probe uav 0 (0) u32(0x18)
probe uav 0 (1) u32(0x18)
probe uav 0 (2) u32(0x38)
probe uav 0 (3) u32(0x38)
probe uav 0 (4) u32(0x1a)
probe uav 0 (5) u32(0x1a)
probe uav 0 (6) u32(0x3a)
probe uav 0 (7) u32(0x3a)
[uav 0]
format r32-typeless