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wasm

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WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable target for compilation of high-level languages like C/C++/Rust, enabling deployment on the web for client and server applications.

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assemblyscript
BStringhamVRSK
BStringhamVRSK commented Aug 12, 2021

Problem:
After using Engine.createTextureFromKtx/jpeg/Png, I need to query the texture width and height so I can generate proper UV coordinates for font display.

Proposed solution
Expose the Texture.getWidth(), getHeight(), etc. methods to get texture information. I currently only need width and height, but I can see usage cases for many of the other "getters" available in the C++ in

youknowone
youknowone commented Oct 16, 2021

For now, Object protocol methods are (mostly) thin wrapper of matching vm functions. Because we don't need to have duplicated functions for same features, they need to be moved from vm to object protocol functions.

  • vm path: vm/src/vm.rs
  • object protocol path: vm/src/protocol/object.rs

The matching vm functions are easy to find because object methods are calling it.

  • get_att
fitzgen
fitzgen commented Dec 11, 2020

In bytecodealliance/wasmtime#2497 (comment) we added support for generating nested modules, and we generate these modules by concatenating strings of WAT and then passing it to Module::new which internally checks for WAT strings and assembles them into Wasm bytes if necessary.

We can make this more efficient, improving the number of test cases we fuzz in a

uno
takla21
takla21 commented Jun 10, 2021

Current behavior

When I removed the status bar by adding those 4 lines in the style.xml

<item name="android:windowTranslucentStatus">false</item>
<item name="android:windowTranslucentNavigation">true</item>
<item name="android:windowDrawsSystemBarBackgrounds">true</item>
<item name="android:statusBarColor">@android:color/transparent</item>

Applying `VisibleBoundsPadding

mstange
mstange commented Jul 5, 2019

Motivation

I am using the following pattern to efficiently initialize a large buffer inside wasm memory from JavaScript without copies (see #1079 for full motivation):

#[wasm_bindgen]
pub struct WasmMemBuffer {
    buffer: Vec<u8>,
}

#[wasm_bindgen]
impl WasmMemBuffer {
    #[wasm_bindgen(constructor)]
    pub fn new(byte_length: u32, f: &js_sys::Function) -> Self {
  
Organization
WebAssembly
Website
webassembly.org
Wikipedia
Wikipedia

Related Topics

asmjs javascript