1 files changed, 17 insertions, 1 deletions
diff --git a/webhogg/wasm/src/context/graphics.rs b/webhogg/wasm/src/context/graphics.rs
index 57955d0..3476e5d 100644
--- a/webhogg/wasm/src/context/graphics.rs
+++ b/webhogg/wasm/src/context/graphics.rs
@@ -1,10 +1,26 @@
+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() -> Result<Self, WasmError> {
+    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 {
         })
     }