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

NAME
SDL_HINT_RENDER_VULKAN_DEBUG - A variable controlling whether to enable Vulkan Validation Layers.
SYNOPSIS
#include <SDL3/SDL_hints.h>
#define SDL_HINT_RENDER_VULKAN_DEBUG "SDL_RENDER_VULKAN_DEBUG"
DESCRIPTION
This variable can be set to the following values:
• "0": Disable Validation Layer use
• "1": Enable Validation Layer use
By default, SDL does not use Vulkan Validation Layers.
AVAILABILITY
This hint is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_HINT_RENDER_VULKAN_DEBUG(3)