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Add SDL_HINT_VIDEO_EGL_ALLOW_TRANSPARENCY

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Ethan Lee 2021-08-14 12:09:13 -04:00
parent 5113fedfa0
commit 524964f966
2 changed files with 13 additions and 1 deletions
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11
include/SDL_hints.h
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@ -1218,6 +1218,17 @@ extern "C" {
*/
#define SDL_HINT_VIDEO_DOUBLE_BUFFER "SDL_VIDEO_DOUBLE_BUFFER"
/**
* \brief A variable controlling whether the EGL window is allowed to be
* composited as transparent, rather than opaque.
*
* Most window systems will always render windows opaque, even if the surface
* format has an alpha channel. This is not always true, however, so by default
* SDL will try to enforce opaque composition. To override this behavior, you
* can set this hint to "1".
*/
#define SDL_HINT_VIDEO_EGL_ALLOW_TRANSPARENCY "SDL_VIDEO_EGL_ALLOW_TRANSPARENCY"
/**
* \brief A variable controlling whether the graphics context is externally managed.
*