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vkd3d-shader: Add a compile option to control whether implicit truncation warnings are printed.

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d3dcompiler and d3dx9 versions before 42 don't emit this error; this will be
necessary to emulate that behaviour.

Other warnings exist that are introduced in different d3dcompiler versions,
although there are not very many distinct HLSL warnings to begin with.

We could of course group all these together under a single compiler option, but
I find that using separate top-level options is unilaterally friendlier to an
API consumer, and simpler to implement as well. It also in some sense maps
conceptually to e.g. "-Wno-implicit-conversion".
This commit is contained in:
Zebediah Figura
2024-03-19 23:06:07 -05:00
committed by Alexandre Julliard
parent b382d1843d
commit 6b6e4bc212
Notes: Alexandre Julliard 2024-03-27 23:08:04 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/735
5 changed files with 89 additions and 14 deletions
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11
include/vkd3d_shader.h
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@@ -310,6 +310,17 @@ enum vkd3d_shader_compile_option_name
* \since 1.12
*/
VKD3D_SHADER_COMPILE_OPTION_CHILD_EFFECT = 0x0000000b,
/**
* If \a value is nonzero, emit a compile warning warn when vectors or
* matrices are truncated in an implicit conversion.
* If warnings are disabled, this option has no effect.
* This option has no effects for targets other than HLSL.
*
* The default value is nonzero, i.e. enable implicit truncation warnings.
*
* \since 1.12
*/
VKD3D_SHADER_COMPILE_OPTION_WARN_IMPLICIT_TRUNCATION = 0x0000000c,
VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_COMPILE_OPTION_NAME),
};