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README-migration: note that logical presentation state is different from SDL2.

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Ryan C. Gordon 2024-09-26 18:49:29 -04:00
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docs/README-migration.md
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@ -1389,6 +1389,8 @@ SDL_Vertex has been changed to use floating point colors, in the range of [0..1]
SDL_RenderReadPixels() returns a surface instead of filling in preallocated memory.
SDL_RenderSetLogicalSize() (now called SDL_SetRenderLogicalPresentation()) in SDL2 would modify the scaling and viewport state. In SDL3, logical presentation maintains its state separately, so the app can use its own viewport and scaling while also setting a logical size.
The following functions have been renamed:
* SDL_GetRendererOutputSize() => SDL_GetCurrentRenderOutputSize(), returns bool
* SDL_RenderCopy() => SDL_RenderTexture(), returns bool