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vkd3d-shader/hlsl: Allow accounting for interpolation mode when allocating semantics.

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For now this has no effect since semantics are allocated with reg_size
4, but will have effect when optimizing interstage signatures.
This commit is contained in:
Francisco Casas
2024-09-25 13:46:08 -03:00
committed by Henri Verbeet
parent b65f5fb069
commit 7fd6c29ee8
Notes: Henri Verbeet 2024-10-22 20:54:15 +02:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1193
3 changed files with 41 additions and 35 deletions
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33
libs/vkd3d-shader/tpf.c
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@@ -4894,38 +4894,9 @@ static void tpf_write_dcl_semantic(const struct tpf_compiler *tpf,
if (version->type == VKD3D_SHADER_TYPE_PIXEL)
{
enum vkd3d_shader_interpolation_mode mode = VKD3DSIM_LINEAR;
if ((var->storage_modifiers & HLSL_STORAGE_NOINTERPOLATION) || type_is_integer(var->data_type))
{
mode = VKD3DSIM_CONSTANT;
}
else
{
static const struct
{
unsigned int modifiers;
enum vkd3d_shader_interpolation_mode mode;
}
modes[] =
{
{ HLSL_STORAGE_CENTROID | HLSL_STORAGE_NOPERSPECTIVE, VKD3DSIM_LINEAR_NOPERSPECTIVE_CENTROID },
{ HLSL_STORAGE_NOPERSPECTIVE, VKD3DSIM_LINEAR_NOPERSPECTIVE },
{ HLSL_STORAGE_CENTROID, VKD3DSIM_LINEAR_CENTROID },
{ HLSL_STORAGE_CENTROID | HLSL_STORAGE_LINEAR, VKD3DSIM_LINEAR_CENTROID },
};
unsigned int i;
for (i = 0; i < ARRAY_SIZE(modes); ++i)
{
if ((var->storage_modifiers & modes[i].modifiers) == modes[i].modifiers)
{
mode = modes[i].mode;
break;
}
}
}
enum vkd3d_shader_interpolation_mode mode;
mode = sm4_get_interpolation_mode(var->data_type, var->storage_modifiers);
instr.extra_bits |= mode << VKD3D_SM4_INTERPOLATION_MODE_SHIFT;
}
}