SDL_GPUFilter.3type - Man Page

#include <SDL3/SDL_gpu.h>

typedef enum SDL_GPUFilter
{
    SDL_GPU_FILTER_NEAREST,  /**< Point filtering. */
    SDL_GPU_FILTER_LINEAR    /**< Linear filtering. */
} SDL_GPUFilter;

This enum is available since SDL 3.2.0.

SDL_CreateGPUSampler(3)