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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
docs/README-migration.md
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@@ -406,6 +406,10 @@ The following symbols have been renamed:
* KMOD_SCROLL => SDL_KMOD_SCROLL
* KMOD_SHIFT => SDL_KMOD_SHIFT
## SDL_loadso.h
SDL_LoadFunction() now returns `SDL_FunctionPointer` instead of `void *`, and should be cast to the appropriate function type. You can define SDL_FUNCTION_POINTER_IS_VOID_POINTER in your project to restore the previous behavior.
## SDL_main.h
SDL3 doesn't have a static libSDLmain to link against anymore.
@@ -867,6 +871,8 @@ Programs which have access to shaders can implement more robust versions of thos
Removed SDL_GL_CONTEXT_EGL from OpenGL configuration attributes. You can instead use `SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);`
SDL_GL_GetProcAddress() and SDL_EGL_GetProcAddress() now return `SDL_FunctionPointer` instead of `void *`, and should be cast to the appropriate function type. You can define SDL_FUNCTION_POINTER_IS_VOID_POINTER in your project to restore the previous behavior.
SDL_GL_SwapWindow() returns 0 if the function succeeds or a negative error code if there was an error.
SDL_GL_GetSwapInterval() takes the interval as an output parameter and returns 0 if the function succeeds or a negative error code if there was an error.
@@ -882,3 +888,5 @@ SDL_Window id type is named SDL_WindowID
SDL_Vulkan_GetInstanceExtensions() no longer takes a window parameter.
SDL_Vulkan_GetVkGetInstanceProcAddr() now returns `SDL_FunctionPointer` instead of `void *`, and should be cast to PFN_vkGetInstanceProcAddr.