# SDL_CalculateGPUTextureFormatSize Calculate the size in bytes of a texture format with dimensions. ## Header File Defined in [<SDL3/SDL_gpu.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_gpu.h) ## Syntax ```c Uint32 SDL_CalculateGPUTextureFormatSize( SDL_GPUTextureFormat format, Uint32 width, Uint32 height, Uint32 depth_or_layer_count); ``` ## Function Parameters | | | | | -------------------------------------------- | ------------------------ | ----------------------------------------------- | | [SDL_GPUTextureFormat](SDL_GPUTextureFormat) | **format** | a texture format. | | [Uint32](Uint32) | **width** | width in pixels. | | [Uint32](Uint32) | **height** | height in pixels. | | [Uint32](Uint32) | **depth_or_layer_count** | depth for 3D textures or layer count otherwise. | ## Return Value ([Uint32](Uint32)) Returns the size of a texture with this format and dimensions. ## Version This function is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryGPU](CategoryGPU)