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vkd3d-shader/dxil: Validate that floating-point truncation casts decrease bit width.

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Similarly to the integer case.
This commit is contained in:
Giovanni Mascellani
2025-05-12 15:17:45 +02:00
committed by Henri Verbeet
parent 0e006715d8
commit a90b74baaa
Notes: Henri Verbeet 2025-06-04 13:14:04 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1532
1 changed files with 1 additions and 1 deletions
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libs/vkd3d-shader/dxil.c
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@@ -6877,7 +6877,7 @@ static enum vkd3d_shader_opcode sm6_map_cast_op(uint64_t code, const struct sm6_
case CAST_FPTRUNC: case CAST_FPTRUNC:
/* TODO: native 16-bit */ /* TODO: native 16-bit */
op = (from->u.width == 64) ? VKD3DSIH_DTOF : VKD3DSIH_NOP; op = (from->u.width == 64) ? VKD3DSIH_DTOF : VKD3DSIH_NOP;
is_valid = from_fp && to_fp; is_valid = from_fp && to_fp && to->u.width <= from->u.width;
break; break;
case CAST_FPEXT: case CAST_FPEXT:
/* TODO: native 16-bit */ /* TODO: native 16-bit */