# SDL_GPUIndexElementSize Specifies the size of elements in an index buffer. ## Header File Defined in [<SDL3/SDL_gpu.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_gpu.h) ## Syntax ```c typedef enum SDL_GPUIndexElementSize { SDL_GPU_INDEXELEMENTSIZE_16BIT, /**< The index elements are 16-bit. */ SDL_GPU_INDEXELEMENTSIZE_32BIT /**< The index elements are 32-bit. */ } SDL_GPUIndexElementSize; ``` ## Version This enum is available since SDL 3.2.0. ## See Also - [SDL_CreateGPUGraphicsPipeline](SDL_CreateGPUGraphicsPipeline) ---- [CategoryAPI](CategoryAPI), [CategoryAPIEnum](CategoryAPIEnum), [CategoryGPU](CategoryGPU)