[Git][wine/vkd3d][master] 5 commits: vkd3d-shader/dxil: Allow returning signed types from vsir_data_type_from_dxil().

[Henri Verbeet (＠hverbeet)]

Henri Verbeet pushed to branch master at wine / vkd3d

Commits:
8700e3a5 by Henri Verbeet at 2025-09-16T15:46:23+02:00
vkd3d-shader/dxil: Allow returning signed types from vsir_data_type_from_dxil().

We have a number of vsir operations which should take a signed type, but
which the DXIL parser currently emits unsigned types for. For example,
ISHR.

In the SPIR-V backend, we translate ISHR to OpShiftRightArithmetic,
which is specified as filling the most-significant bits of the result
with the sign bit of the "Base" operand. For an unsigned type, that
would technically be 0. In practice, implementations like radv/Mesa seem
to fill with the most-significant bit of the "Base" operand for unsigned
types, but arguably that could be considered a bug. Alternatively, the
wording in the specification is just unfortunate; SPIR-V does generally
take the position that signedness of operands should be irrelevant for
almost all operations. Either way, it seems best to avoid using
OpShiftRightArithmetic with unsigned types.

For a target like MSL, allowing ISHR to take an unsigned source operand
is just inconvenient; we'd have to introduce bitcasts to achieve the
desired behaviour, instead of simply using msl_binop().

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b023b67b by Henri Verbeet at 2025-09-16T15:46:23+02:00
vkd3d-shader/dxil: Allow creating signed parameters in instruction_dst_param_init_ssa_scalar().

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8fb8cca0 by Henri Verbeet at 2025-09-16T15:46:23+02:00
vkd3d-shader/dxil: Allow creating signed parameters in src_param_init_from_value().

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9ee53c95 by Henri Verbeet at 2025-09-16T15:46:23+02:00
vkd3d-shader/d3d-asm: Handle i64 immediate constants.

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89641d3d by Henri Verbeet at 2025-09-16T15:46:23+02:00
vkd3d-shader/ir: Require signed source operands for ITOF instructions.

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15 changed files:

- libs/vkd3d-shader/d3d_asm.c
- libs/vkd3d-shader/dxil.c
- libs/vkd3d-shader/ir.c
- libs/vkd3d-shader/vkd3d_shader_private.h
- tests/hlsl/bitwise-assignment.shader_test
- tests/hlsl/cast-to-int.shader_test
- tests/hlsl/ceil.shader_test
- tests/hlsl/d3dcolor-to-ubyte4.shader_test
- tests/hlsl/floor.shader_test
- tests/hlsl/function-cast.shader_test
- tests/hlsl/ldexp.shader_test
- tests/hlsl/lerp.shader_test
- tests/hlsl/round.shader_test
- tests/hlsl/saturate.shader_test
- tests/hlsl/trunc.shader_test

View it on GitLab: https://gitlab.winehq.org/wine/vkd3d/-/compare/db3aaeca17e8ff791789a70f5d527...