Added love.graphics.getRendererInfo(infotype). Useful for creating more informative error reports and advanced debugging.

Returned string can be highly system-dependent, so don't rely on its output!

infotype can be "name", "version", "vendor", or "device"

src/modules/graphics/opengl/Graphics.h

@@ -88,10 +88,7 @@ struct DisplayState
 	DisplayState()
 	{
 		color.set(255,255,255,255);
-		backgroundColor.r = 0;
-		backgroundColor.g = 0;
-		backgroundColor.b = 0;
-		backgroundColor.a = 255;
+		backgroundColor.set(0, 0, 0, 255);
 		blendMode = Graphics::BLEND_ALPHA;
 		lineStyle = Graphics::LINE_SMOOTH;
 		pointSize = 1.0f;
@@ -527,6 +524,14 @@ public:
 	 **/
 	love::image::ImageData *newScreenshot(love::image::Image *image, bool copyAlpha = true);
 
+	/**
+	 * Returns a string containing system-dependent renderer information.
+	 * Returned string can vary greatly between systems! Do not rely on it for
+	 * anything!
+	 * @param infotype The type of information to return.
+	 **/
+	std::string getRendererInfo(Graphics::RendererInfo infotype) const;
+
 	void push();
 	void pop();
 	void rotate(float r);