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use std::{
ffi::{c_void, CStr},
mem, ptr, slice,
};
use crate::cuda::{CUjitInputType, CUjit_option, CUlinkState, CUresult};
struct LinkState {
modules: Vec<String>,
}
pub(crate) unsafe fn create(
num_options: u32,
options: *mut CUjit_option,
option_values: *mut *mut c_void,
state_out: *mut CUlinkState,
) -> CUresult {
if state_out == ptr::null_mut() {
return CUresult::CUDA_ERROR_INVALID_VALUE;
}
let state = Box::new(LinkState {
modules: Vec::new(),
});
*state_out = mem::transmute(state);
CUresult::CUDA_SUCCESS
}
pub(crate) unsafe fn add_data(
state: CUlinkState,
type_: CUjitInputType,
data: *mut c_void,
size: usize,
name: *const i8,
num_options: u32,
options: *mut CUjit_option,
option_values: *mut *mut c_void,
) -> CUresult {
if state == ptr::null_mut() {
return CUresult::CUDA_ERROR_INVALID_VALUE;
}
let state: *mut LinkState = mem::transmute(state);
let state = &mut *state;
// V-RAY specific hack
if state.modules.len() == 2 {
return CUresult::CUDA_SUCCESS;
}
let ptx = slice::from_raw_parts(data as *mut u8, size);
state.modules.push(
CStr::from_bytes_with_nul_unchecked(ptx)
.to_string_lossy()
.to_string(),
);
CUresult::CUDA_SUCCESS
}
pub(crate) fn complete(
state: CUlinkState,
cubin_out: *mut *mut c_void,
size_out: *mut usize,
) -> CUresult {
CUresult::CUDA_SUCCESS
}
pub(crate) unsafe fn destroy(state: CUlinkState) -> CUresult {
let state: Box<LinkState> = mem::transmute(state);
CUresult::CUDA_SUCCESS
}
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