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use log::*;
use crate::error::WasmError;
use wasm_bindgen::JsCast;
use web_sys::WebGl2RenderingContext as Gl;
pub struct GraphicsContext {
}
impl GraphicsContext {
pub fn from_canvas(canvas: web_sys::OffscreenCanvas) -> Result<Self, WasmError> {
let context = canvas.get_context("webgl2")
.map_err(|_| WasmError::WebGl2ContextCreation(
format!("context cration failed: getContext returned an exception")))?
.ok_or_else(|| WasmError::WebGl2ContextCreation(
format!("context cration failed: getContext returned nothing")))?;
let context = context
.dyn_into::<Gl>()
.map_err(|_| WasmError::WebGl2ContextCreation(
format!("context object is not a context")))?;
//context.clear(Gl::COLOR_BUFFER_BIT);
//context.clear_color(0.6, 0.0, 0.6, 1.0);
Ok(Self {
})
}
}
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