###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_BindGPUIndexBuffer Binds an index buffer on a command buffer for use with subsequent draw calls. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_gpu.h) ## Syntax ```c void SDL_BindGPUIndexBuffer( SDL_GPURenderPass *render_pass, const SDL_GPUBufferBinding *binding, SDL_GPUIndexElementSize index_element_size); ``` ## Function Parameters | | | | | ---------------------------------------------------- | ---------------------- | ------------------------------------------------------------ | | [SDL_GPURenderPass](SDL_GPURenderPass) * | **render_pass** | a render pass handle. | | const [SDL_GPUBufferBinding](SDL_GPUBufferBinding) * | **binding** | a pointer to a struct containing an index buffer and offset. | | [SDL_GPUIndexElementSize](SDL_GPUIndexElementSize) | **index_element_size** | whether the index values in the buffer are 16- or 32-bit. | ## Version This function is available since SDL 3.1.3. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryGPU](CategoryGPU)