Plugins that use Vulkan/Metal compatible drawing operations don’t need to do any special processing or precautions. Plugins that try to sniff resources from the OpenGL context, whether running under Vulkan, Metal or OpenGL, are considered misbehaved and no compatibility guarantees are made. No guarantee is made with regards to availability of resources in the OpenGL context across versions or even runs of X-Plane.
Plugins should not assume the existence of any resources in an OpenGL context and should instead use public APIs to retrieve resources. X-Plane will create minimal resources in this OpenGL context to enable support for APIs like XPLMGetTexture() and to facilitate sharing of framebuffers across Vulkan/Metal and OpenGL. To provide compatibility with plugins X-Plane will create a OpenGL context that is exclusively for use by plugins.
When a user runs X-Plane with either Vulkan or Metal, X-Plane itself will exclusively run with the selected backend and no rendering is done using OpenGL.
X plane 10 plugins code#
You can read the documentation for the instancing API here and check out our example code here. While not a direct, drop in replacement, it offers much more flexibility for plugin authors and X-Plane than the previous system did. X-Plane has offered an alternative to the XPLMDrawObjects() and XPLMDrawAircraft() APIs since X-Plane 11.10 in the form of the instancing API, which we highly encourage developers to adopt. 3D drawing callbacks, XPLMDrawObjects(), and XPLMDrawAircraft() will continue to work under OpenGL in 11.50 like they did in 11.41. Additionally, the XPLMDrawObjects() and XPLMDrawAircraft() APIs have been deprecated and also no longer works with either Vulkan or Metal. All 3D drawing phases have been deprecated as of X-Plane 11.50 and will no longer be called under either the Vulkan or Metal renderer. 3D drawing using the XPLM instancing API.īreaking changes have been made to the 3D drawing callbacks.This includes 2D panels as well as 3D panels drawn inside the aircraft. This includes UI elements drawn using the XPWidgets library as well as custom OpenGL drawing. Window drawing using the XPLM 3 SDK windows.Plugins that don’t interact with the rendering system and instead provide additional functionality without the need to draw in the world.All renderers support the existing scenery features and texture formats and will look the same on all platforms.
Whether a user selects OpenGL, Vulkan or Metal, the following kinds of operations don’t require any changes to existing add-ons: Assuming the plugins behaved nicely and played by the rules of the SDK, compatibility between 11.50 OpenGL and 11.41 is provided. Compatibility with existing pluginsĪs a general note, existing plugins running under the OpenGL renderer in X-Plane 11.50 should behave exactly the same as in X-Plane 11.41. The main goal with Vulkan and Metal is to deliver a more consistent and higher framerate, while also maintaining compatibility with the existing add on ecosystem as much as possible. This has potential implications for third party code that interacts with X-Plane’s rendering. They now have the option to choose between OpenGL (all platforms), Vulkan (Windows and Linux) and Metal (macOS). Starting with X-Plane 11.50, users have the ability to change the graphics API that is used by X-Plane.
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