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vkd3d-shader/spirv: Introduce HALF and UINT16 types for minimum precision.

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Minimum precision types must always be implemented as 32-bit to match how
reduced precision works in SPIR-V.
This commit is contained in:
Conor McCarthy
2023-12-13 15:40:48 +10:00
committed by Alexandre Julliard
parent 58123c2e10
commit 066ea75945
Notes: Alexandre Julliard 2024-03-11 23:07:09 +01:00 
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/519
3 changed files with 87 additions and 7 deletions
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8
libs/vkd3d-shader/vkd3d_shader_private.h
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@@ -623,14 +623,16 @@ enum vkd3d_data_type
VKD3D_DATA_UINT8,
VKD3D_DATA_UINT64,
VKD3D_DATA_BOOL,
VKD3D_DATA_UINT16,
VKD3D_DATA_HALF,
VKD3D_DATA_COUNT,
};
static inline bool data_type_is_integer(enum vkd3d_data_type data_type)
{
return data_type == VKD3D_DATA_INT || data_type == VKD3D_DATA_UINT8 || data_type == VKD3D_DATA_UINT
|| data_type == VKD3D_DATA_UINT64;
return data_type == VKD3D_DATA_INT || data_type == VKD3D_DATA_UINT8 || data_type == VKD3D_DATA_UINT16
|| data_type == VKD3D_DATA_UINT || data_type == VKD3D_DATA_UINT64;
}
static inline bool data_type_is_bool(enum vkd3d_data_type data_type)
@@ -1531,10 +1533,12 @@ static inline enum vkd3d_shader_component_type vkd3d_component_type_from_data_ty
{
switch (data_type)
{
case VKD3D_DATA_HALF: /* Minimum precision. TODO: native 16-bit */
case VKD3D_DATA_FLOAT:
case VKD3D_DATA_UNORM:
case VKD3D_DATA_SNORM:
return VKD3D_SHADER_COMPONENT_FLOAT;
case VKD3D_DATA_UINT16: /* Minimum precision. TODO: native 16-bit */
case VKD3D_DATA_UINT:
return VKD3D_SHADER_COMPONENT_UINT;
case VKD3D_DATA_INT: