Contents

cp_frame_query_drawable

Returns the drawable type you use to retrieve the textures and drawing environment for the frame.

Declaration

cp_drawable_t cp_frame_query_drawable(cp_frame_t frame);

Parameters

  • frame:

    The frame to query.

Return Value

The drawable type, or nil if the layer is in the LayerRenderer.State.paused or LayerRenderer.State.invalidated state.

Discussion

Fetch the drawable when you’re ready to encode the drawing commands for the frame. The cp_drawable_t type contains the textures and other information you need to set up your render descriptor in Metal.