Prevents a crash in RADV when such inputs are present.
From a vkd3d-proton patch by Hans-Kristian Arntzen.
Signed-off-by: Conor McCarthy cmccarthy@codeweavers.com --- libs/vkd3d-shader/spirv.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c index 20744fe7..b070230a 100644 --- a/libs/vkd3d-shader/spirv.c +++ b/libs/vkd3d-shader/spirv.c @@ -4604,6 +4604,16 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi val_id = vkd3d_spirv_build_op_in_bounds_access_chain1(builder, ptr_type_id, input_id, index); dst_reg.idx[0].offset = i; } + else if (builtin && builtin->spirv_array_size >= 1) + { + /* The DXBC builtin is not an array, but the SPIR-V builtin is an array, so + * we'll need to index into the builtin when we try to load it. + * This happens when we try to read TessLevel in domain shader. */ + ptr_type_id = vkd3d_spirv_get_op_type_pointer(builder, SpvStorageClassInput, type_id); + index = vkd3d_dxbc_compiler_get_constant_uint(compiler, builtin->member_idx); + val_id = vkd3d_spirv_build_op_in_bounds_access_chain1(builder, ptr_type_id, input_id, index); + dst_reg.idx[0].offset = reg_idx + i; + } val_id = vkd3d_spirv_build_op_load(builder, type_id, val_id, SpvMemoryAccessMaskNone);
if (builtin && builtin->fixup_pfn)