Added OpenGL debug groups for most graphics operations when love is built in debug mode for iOS. The Xcode frame capture tool uses them to create nice visual groups for OpenGL function calls.

src/modules/graphics/opengl/Text.cpp

@@ -222,6 +222,8 @@ void Text::draw(float x, float y, float angle, float sx, float sy, float ox, flo
 	if (vbo == nullptr || draw_commands.empty())
 		return;
 
+	OpenGL::TempDebugGroup debuggroup("Text object draw");
+
 	// Re-generate the text if the Font's texture cache was invalidated.
 	if (font->getTextureCacheID() != texture_cache_id)
 		regenerateVertices();