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vkd3d-shader/ir: Lower SATURATE modifiers to instructions.

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This commit is contained in:
Giovanni Mascellani
2025-10-13 22:07:44 +02:00
committed by Henri Verbeet
parent 835044dd8e
commit 8b8ee542d7
Notes: Henri Verbeet 2025-10-14 16:33:38 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1788
2 changed files with 51 additions and 0 deletions
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33
libs/vkd3d-shader/ir.c
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@@ -2236,6 +2236,39 @@ static enum vkd3d_result vsir_program_lower_modifiers(struct vsir_program *progr
++program->ssa_count;
}
}
for (i = 0; i < ins->dst_count; ++i)
{
struct vkd3d_shader_dst_param *dst = &ins->dst[i];
if (dst->modifiers & VKD3DSPDM_SATURATE)
{
if (!vsir_program_iterator_insert_after(&it, 1))
return VKD3D_ERROR_OUT_OF_MEMORY;
ins = vsir_program_iterator_current(&it);
new_ins = vsir_program_iterator_next(&it);
if (!vsir_instruction_init_with_params(program, new_ins, &ins->location, VSIR_OP_SATURATE, 1, 1))
{
vkd3d_shader_instruction_make_nop(new_ins);
return VKD3D_ERROR_OUT_OF_MEMORY;
}
new_ins->dst[0] = *dst;
new_ins->dst[0].modifiers &= ~VKD3DSPDM_NONE;
dst_param_init_ssa(dst, program->ssa_count, dst->reg.data_type, dst->reg.dimension);
src_param_init_ssa(&new_ins->src[0], program->ssa_count, dst->reg.data_type, dst->reg.dimension);
if (data_type_is_64_bit(dst->reg.data_type))
{
dst->write_mask = vsir_write_mask_64_from_32(dst->write_mask);
new_ins->src[0].swizzle = vsir_swizzle_64_from_32(new_ins->src[0].swizzle);
}
++program->ssa_count;
}
}
}
return VKD3D_OK;