Provided by: libsdl3-doc_3.2.28+ds-1_all 

NAME
SDL_GetGPUSwapchainTextureFormat - Obtains the texture format of the swapchain for the given window.
SYNOPSIS
#include <SDL3/SDL_gpu.h>
SDL_GPUTextureFormat SDL_GetGPUSwapchainTextureFormat(
SDL_GPUDevice *device,
SDL_Window *window);
DESCRIPTION
Note that this format can change if the swapchain parameters change.
FUNCTION PARAMETERS
device a GPU context.
window an SDL_Window that has been claimed.
RETURN VALUE
Returns the texture format of the swapchain.
AVAILABILITY
This function is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.28 SDL_GetGPUSwapchainTextureFormat(3)