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SDL_Vulkan_GetInstanceExtensions: Require Vulkan

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Document that this function will fail if the user doesn't call
SDL_Vulkan_LoadLibrary (either explicitly or via SDL_CreateWindow)
beforehand.
This commit is contained in:
Hunter Kvalevog
2023-01-07 11:17:16 -06:00
committed by Sam Lantinga
parent 0953367967
commit a2b2464b46
1 changed files with 3 additions and 0 deletions
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3
include/SDL3/SDL_vulkan.h
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@@ -130,6 +130,9 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
* Get the names of the Vulkan instance extensions needed to create a surface * Get the names of the Vulkan instance extensions needed to create a surface
* with SDL_Vulkan_CreateSurface. * with SDL_Vulkan_CreateSurface.
* *
* This should be called after either calling SDL_Vulkan_LoadLibrary() or
* creating an SDL_Window with the `SDL_WINDOW_VULKAN` flag.
*
* If `pNames` is NULL, then the number of required Vulkan instance extensions * If `pNames` is NULL, then the number of required Vulkan instance extensions
* is returned in `pCount`. Otherwise, `pCount` must point to a variable set * is returned in `pCount`. Otherwise, `pCount` must point to a variable set
* to the number of elements in the `pNames` array, and on return the variable * to the number of elements in the `pNames` array, and on return the variable