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vkd3d-shader/dxil: Emit 16-bit arrays as minimum precision types.

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The type is not explicitly annotated as minimum precision, because
no backend currently cares about that bit anyway. We're still
relying on the fact that in SM 6.0 16-bit types are always
understood as minimum precision.
This commit is contained in:
Giovanni Mascellani
2025-05-28 22:16:34 +02:00
committed by Henri Verbeet
parent 1d780e1a6b
commit 5e86d5c21b
Notes: Henri Verbeet 2025-06-11 20:36:59 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1558
2 changed files with 31 additions and 80 deletions
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40
libs/vkd3d-shader/dxil.c
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@@ -3179,6 +3179,7 @@ static enum vkd3d_result value_allocate_constant_array(struct sm6_value *dst, co
struct vkd3d_shader_immediate_constant_buffer *icb;
const struct sm6_type *elem_type;
unsigned int i, size, count;
uint64_t *data64;
elem_type = type->u.array.elem_type;
/* Multidimensional arrays are emitted in flattened form. */
@@ -3230,16 +3231,37 @@ static enum vkd3d_result value_allocate_constant_array(struct sm6_value *dst, co
return VKD3D_OK;
count = type->u.array.count;
if (size > sizeof(icb->data[0]))
switch (icb->data_type)
{
uint64_t *data = (uint64_t *)icb->data;
for (i = 0; i < count; ++i)
data[i] = operands[i];
}
else
{
for (i = 0; i < count; ++i)
icb->data[i] = operands[i];
case VKD3D_DATA_HALF:
for (i = 0; i < count; ++i)
icb->data[i] = half_to_float(operands[i]);
icb->data_type = VKD3D_DATA_FLOAT;
break;
case VKD3D_DATA_UINT16:
for (i = 0; i < count; ++i)
icb->data[i] = (int16_t)operands[i];
icb->data_type = VKD3D_DATA_UINT;
break;
case VKD3D_DATA_FLOAT:
case VKD3D_DATA_UINT:
for (i = 0; i < count; ++i)
icb->data[i] = operands[i];
break;
case VKD3D_DATA_DOUBLE:
case VKD3D_DATA_UINT64:
data64 = (uint64_t *)icb->data;
for (i = 0; i < count; ++i)
data64[i] = operands[i];
break;
default:
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Invalid array of type %u.", icb->data_type);
return VKD3D_ERROR_INVALID_SHADER;
}
return VKD3D_OK;