Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_CalculateGPUTextureFormatSize - Calculate the size in bytes of a texture format with dimensions.
SYNOPSIS
#include <SDL3/SDL_gpu.h>
Uint32 SDL_CalculateGPUTextureFormatSize(
SDL_GPUTextureFormat format,
Uint32 width,
Uint32 height,
Uint32 depth_or_layer_count);
FUNCTION PARAMETERS
format a texture format.
width width in pixels.
height height in pixels.
depth_or_layer_count
depth for 3D textures or layer count otherwise.
RETURN VALUE
Returns the size of a texture with this format and dimensions.
AVAILABILITY
This function is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_CalculateGPUTextureFormatSize(3)