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Functions which return function pointers now return SDL_FunctionPointer instead of void*

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This fixes the clang warning "Cast between pointer-to-function and pointer-to-object is an extension"

You can define SDL_FUNCTION_POINTER_IS_VOID_POINTER in your project to restore the previous behavior.

Fixes https://github.com/libsdl-org/SDL/issues/2866
This commit is contained in:
Sam Lantinga
2023-01-09 14:55:12 -08:00
parent 7275b2b352
commit e9b86eebf3
43 changed files with 272 additions and 356 deletions
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8
include/SDL3/SDL_vulkan.h
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@@ -111,11 +111,17 @@ extern DECLSPEC int SDLCALL SDL_Vulkan_LoadLibrary(const char *path);
* This should be called after either calling SDL_Vulkan_LoadLibrary() or
* creating an SDL_Window with the `SDL_WINDOW_VULKAN` flag.
*
* The actual type of the returned function pointer is PFN_vkGetInstanceProcAddr,
* but that isn't available because the Vulkan headers are not included here. You
* should cast the return value of this function to that type, e.g.
*
* `vkGetInstanceProcAddr = (PFN_vkGetInstanceProcAddr)SDL_Vulkan_GetVkGetInstanceProcAddr();`
*
* \returns the function pointer for `vkGetInstanceProcAddr` or NULL on error.
*
* \since This function is available since SDL 3.0.0.
*/
extern DECLSPEC void *SDLCALL SDL_Vulkan_GetVkGetInstanceProcAddr(void);
extern DECLSPEC SDL_FunctionPointer SDLCALL SDL_Vulkan_GetVkGetInstanceProcAddr(void);
/**
* Unload the Vulkan library previously loaded by SDL_Vulkan_LoadLibrary()