Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_HINT_RPI_VIDEO_LAYER - A variable controlling which Dispmanx layer to use on a Raspberry PI.
SYNOPSIS
#include <SDL3/SDL_hints.h>
#define SDL_HINT_RPI_VIDEO_LAYER "SDL_RPI_VIDEO_LAYER"
DESCRIPTION
Also known as Z-order. The variable can take a negative or positive value. The default is 10000.
This hint should be set before SDL is initialized.
AVAILABILITY
This hint is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_HINT_RPI_VIDEO_LAYER(3)