better error reporting when the OpenGL implementation is not sufficient.

brandonborkholder · brandonborkholder · commit 576fdf8dd5ba · 2012-03-04T20:51:35.000-05:00
diff --git a/src/main/java/glg2d/G2DGLSimpleEventListener.java b/src/main/java/glg2d/G2DGLSimpleEventListener.java
@@ -137,6 +137,10 @@ protected void paintGL(GLGraphics2D g2d) {
 
   @Override
   public void init(GLAutoDrawable drawable) {
+    if (!drawable.getGL().isGL2()) {
+      throw new IllegalStateException("GLG2D currently requires a GL2 implementation (OpenGL version 1.5 or greater)");
+    }
+
     reshape(drawable, 0, 0, drawable.getWidth(), drawable.getWidth());
   }
 

Original file line number	Diff line number	Diff line change
`@@ -137,6 +137,10 @@ protected void paintGL(GLGraphics2D g2d) {`
`137`	`137`
`138`	`138`	`@Override`
`139`	`139`	`public void init(GLAutoDrawable drawable) {`
	`140`	`+ if (!drawable.getGL().isGL2()) {`
	`141`	`+ throw new IllegalStateException("GLG2D currently requires a GL2 implementation (OpenGL version 1.5 or greater)");`
	`142`	`+ }`
	`143`	`+`
`140`	`144`	`reshape(drawable, 0, 0, drawable.getWidth(), drawable.getWidth());`
`141`	`145`	`}`
`142`	`146`