Update WebGLState.js

mrdoob · Jan 31, 2018 · 6b4e80f · 6b4e80f
1 parent bd2de3e
commit 6b4e80f
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/src/renderers/webgl/WebGLState.js b/src/renderers/webgl/WebGLState.js
@@ -342,9 +342,16 @@ function WebGLState( gl, extensions, utils ) {
 
 	var maxTextures = gl.getParameter( gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS );
 
-	var version = /^WebGL\ ([0-9])/.exec( gl.getParameter( gl.VERSION ) );
-	version = version ? parseFloat( version[ 1 ] ) : 1.0;
-	var lineWidthAvailable = version >= 1.0;
+	var lineWidthAvailable = false;
+	var version = 0;
+	var glVersion = gl.getParameter( gl.VERSION );
+	if ( glVersion.indexOf("WebGL") !== -1 ) {
+		version = parseFloat( /^WebGL\ ([0-9])/.exec( glVersion )[ 1 ] );
+		lineWidthAvailable = version >= 1.0;
+	}else if ( glVersion.indexOf("OpenGL ES") !== -1 ) {
+		version = parseFloat( /^OpenGL\ ES\ ([0-9])/.exec( glVersion )[ 1 ] );
+		lineWidthAvailable = version >= 2.0;
+	}
 
 	var currentTextureSlot = null;
 	var currentBoundTextures = {};