Fix constructor with GL context sharing

fuzzie360 · fuzzie360 · commit 06d76d2bf22c · 2016-02-27T18:18:10.000+08:00
diff --git a/src/gpu.js b/src/gpu.js
@@ -31,6 +31,9 @@ var GPU = (function() {
 			};
 
 			gl = canvas.getContext("experimental-webgl", glOpt) || canvas.getContext("webgl", glOpt);
+		} else {
+			canvas = ctx.canvas;
+			canvasCpu = document.createElement('canvas');
 		}
 		
 		gl.getExtension('OES_texture_float');

Original file line number	Diff line number	Diff line change
`@@ -31,6 +31,9 @@ var GPU = (function() {`
`31`	`31`	`};`
`32`	`32`
`33`	`33`	`gl = canvas.getContext("experimental-webgl", glOpt) \|\| canvas.getContext("webgl", glOpt);`
	`34`	`+ } else {`
	`35`	`+ canvas = ctx.canvas;`
	`36`	`+ canvasCpu = document.createElement('canvas');`
`34`	`37`	`}`
`35`	`38`
`36`	`39`	`gl.getExtension('OES_texture_float');`