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vkd3d-shader/ir: Implement MAD in two operations if flagged as precise.

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With some changes by Giovanni Mascellani.
This commit is contained in:
Conor McCarthy
2024-04-11 12:38:24 +02:00
committed by Alexandre Julliard
parent 9112a5be58
commit 23db066922
Notes: Alexandre Julliard 2024-04-15 22:23:02 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Conor McCarthy (@cmccarthy)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/779
3 changed files with 82 additions and 1 deletions
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25
libs/vkd3d-shader/vkd3d_shader_private.h
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@@ -1761,6 +1761,31 @@ static inline unsigned int vkd3d_compact_swizzle(uint32_t swizzle, uint32_t writ
return compacted_swizzle;
}
static inline uint32_t vsir_swizzle_from_writemask(unsigned int writemask)
{
static const unsigned int swizzles[16] =
{
0,
VKD3D_SHADER_SWIZZLE(X, X, X, X),
VKD3D_SHADER_SWIZZLE(Y, Y, Y, Y),
VKD3D_SHADER_SWIZZLE(X, Y, X, X),
VKD3D_SHADER_SWIZZLE(Z, Z, Z, Z),
VKD3D_SHADER_SWIZZLE(X, Z, X, X),
VKD3D_SHADER_SWIZZLE(Y, Z, X, X),
VKD3D_SHADER_SWIZZLE(X, Y, Z, X),
VKD3D_SHADER_SWIZZLE(W, W, W, W),
VKD3D_SHADER_SWIZZLE(X, W, X, X),
VKD3D_SHADER_SWIZZLE(Y, W, X, X),
VKD3D_SHADER_SWIZZLE(X, Y, W, X),
VKD3D_SHADER_SWIZZLE(Z, W, X, X),
VKD3D_SHADER_SWIZZLE(X, Z, W, X),
VKD3D_SHADER_SWIZZLE(Y, Z, W, X),
VKD3D_SHADER_SWIZZLE(X, Y, Z, W),
};
return swizzles[writemask & 0xf];
}
struct vkd3d_struct
{
enum vkd3d_shader_structure_type type;