SDL Wiki
(This is the legacy documentation for SDL2, the previous stable version; SDL3 is the current stable version.)

SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT

A variable that is the address of another SDL_Window* (as a hex string formatted with "%p").

Header File

Defined in SDL_hints.h

Syntax

#define SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT    "SDL_VIDEO_WINDOW_SHARE_PIXEL_FORMAT"

Remarks

If this hint is set before SDL_CreateWindowFrom() and the SDL_Window* it is set to has SDL_WINDOW_OPENGL set (and running on WGL only, currently), then two things will occur on the newly created SDL_Window:

  1. Its pixel format will be set to the same pixel format as this SDL_Window. This is needed for example when sharing an OpenGL context across multiple windows.

  2. The flag SDL_WINDOW_OPENGL will be set on the new window so it can be used for OpenGL rendering.

This variable can be set to the following values: The address (as a string "%p") of the SDL_Window* that new windows created with SDL_CreateWindowFrom() should share a pixel format with.

CategoryAPI, CategoryAPIMacro, CategoryHints

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