SDL_GPUSamplerMipmapMode.3type - Man Page

#include <SDL3/SDL_gpu.h>

typedef enum SDL_GPUSamplerMipmapMode
{
    SDL_GPU_SAMPLERMIPMAPMODE_NEAREST,  /**< Point filtering. */
    SDL_GPU_SAMPLERMIPMAPMODE_LINEAR    /**< Linear filtering. */
} SDL_GPUSamplerMipmapMode;

This enum is available since SDL 3.2.0.

SDL_CreateGPUSampler(3)