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vkd3d-shader/hlsl: Emit minimum-precision signatures.

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This commit is contained in:
Elizabeth Figura
2025-01-27 16:33:11 -06:00
committed by Henri Verbeet
parent c2ca6b6bdf
commit 6cdfe38319
Notes: Henri Verbeet 2025-03-06 17:32:40 +01:00 
Approved-by: Francisco Casas (@fcasas)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1387
1 changed files with 18 additions and 1 deletions
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19
libs/vkd3d-shader/tpf.c
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@@ -3229,6 +3229,7 @@ static int signature_element_pointer_compare(const void *x, const void *y)
static void tpf_write_signature(struct tpf_compiler *tpf, const struct shader_signature *signature, uint32_t tag)
{
bool has_minimum_precision = tpf->program->global_flags & VKD3DSGF_ENABLE_MINIMUM_PRECISION;
bool output = tag == TAG_OSGN || (tag == TAG_PCSG
&& tpf->program->shader_version.type == VKD3D_SHADER_TYPE_HULL);
const struct signature_element **sorted_elements;
@@ -3257,12 +3258,16 @@ static void tpf_write_signature(struct tpf_compiler *tpf, const struct shader_si
if (sysval >= VKD3D_SHADER_SV_TARGET)
sysval = VKD3D_SHADER_SV_NONE;
if (has_minimum_precision)
put_u32(&buffer, 0); /* FIXME: stream index */
put_u32(&buffer, 0); /* name */
put_u32(&buffer, element->semantic_index);
put_u32(&buffer, sysval);
put_u32(&buffer, element->component_type);
put_u32(&buffer, element->register_index);
put_u32(&buffer, vkd3d_make_u16(element->mask, used_mask));
if (has_minimum_precision)
put_u32(&buffer, element->min_precision);
}
for (i = 0; i < signature->element_count; ++i)
@@ -3271,9 +3276,21 @@ static void tpf_write_signature(struct tpf_compiler *tpf, const struct shader_si
size_t string_offset;
string_offset = put_string(&buffer, element->semantic_name);
set_u32(&buffer, (2 + i * 6) * sizeof(uint32_t), string_offset);
if (has_minimum_precision)
set_u32(&buffer, (2 + i * 8 + 1) * sizeof(uint32_t), string_offset);
else
set_u32(&buffer, (2 + i * 6) * sizeof(uint32_t), string_offset);
}
if (has_minimum_precision)
{
if (tag == TAG_ISGN)
tag = TAG_ISG1;
else if (tag == TAG_OSGN || tag == TAG_OSG5)
tag = TAG_OSG1;
else if (tag == TAG_PCSG)
tag = TAG_PSG1;
}
add_section(tpf, tag, &buffer);
vkd3d_free(sorted_elements);
}