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✨ Use a static Vec<u8> to handle shared memory

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This commit is contained in:
Belén Albeza 2024-12-02 17:35:49 +01:00
parent df6727f186
commit 6623963a7f
3 changed files with 24 additions and 20 deletions
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13
render-wasm/src/main.rs
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@ -182,35 +182,32 @@ pub extern "C" fn add_shape_fill_stops(ptr: *mut shapes::RawStopData, n_stops: u
if let Some(shape) = state.current_shape() {
let len = n_stops as usize;
let buffer_size = std::mem::size_of::<shapes::RawStopData>() * len;
unsafe {
let buffer = Vec::<shapes::RawStopData>::from_raw_parts(ptr, len, len);
shape
.add_gradient_stops(buffer)
.expect("could not add gradient stops");
mem::free(ptr as *mut u8, buffer_size);
mem::free_bytes();
}
}
}
#[no_mangle]
pub extern "C" fn store_image(a: u32, b: u32, c: u32, d: u32, ptr: *mut u8, size: u32) {
if ptr.is_null() || size == 0 {
panic!("Invalid data, null pointer or zero size");
}
pub extern "C" fn store_image(a: u32, b: u32, c: u32, d: u32, size: u32) {
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
let id = uuid_from_u32_quartet(a, b, c, d);
unsafe {
let image_bytes = Vec::<u8>::from_raw_parts(ptr, size as usize, size as usize);
let image_bytes =
Vec::<u8>::from_raw_parts(mem::buffer_ptr(), size as usize, size as usize);
match state.render_state().add_image(id, &image_bytes) {
Err(msg) => {
eprintln!("{}", msg);
}
_ => {}
}
mem::free(ptr as *mut u8, size as usize * std::mem::size_of::<u8>());
mem::free_bytes();
}
}