Man page - sdl_calculategputextureformatsize(3)

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Manual

SDL_CalculateGPUTextureFormatSize(3) SDL3 FUNCTIONS SDL_CalculateGPUTextureFormatSize(3)

SDL_CalculateGPUTextureFormatSize - Calculate the size in bytes of a texture format with dimensions.

Defined in SDL3/SDL_gpu.h

#include "SDL3/SDL.h"
Uint32 SDL_CalculateGPUTextureFormatSize(
    SDL_GPUTextureFormat format,
    Uint32 width,
    Uint32 height,
    Uint32 depth_or_layer_count);

a texture format.
width in pixels.
height in pixels.
depth for 3D textures or layer count otherwise.

( Uint32 ) Returns the size of a texture with this format and dimensions.

This function is available since SDL 3.2.0.

SDL 3.2.10 Simple Directmedia Layer