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docs: Note SDL_UpdateWindowSurfaceRects can update beyond specified areas.

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Reference Issue #8825.
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Ryan C. Gordon 2024-01-16 15:23:56 -05:00
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include/SDL_video.h
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@ -1341,6 +1341,11 @@ extern DECLSPEC int SDLCALL SDL_UpdateWindowSurface(SDL_Window * window);
*
* This function is equivalent to the SDL 1.2 API SDL_UpdateRects().
*
* Note that this function will update _at least_ the rectangles specified,
* but this is only intended as an optimization; in practice, this might
* update more of the screen (or all of the screen!), depending on what
* method SDL uses to send pixels to the system.
*
* \param window the window to update
* \param rects an array of SDL_Rect structures representing areas of the
* surface to copy, in pixels