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cocoa: Change the new sync_dispatch hint to async_dispatch.

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This is so the default is safer.
This commit is contained in:
Ryan C. Gordon
2022-08-10 10:48:23 -04:00
parent c6c0a8394e
commit 3119d58ff5
2 changed files with 18 additions and 12 deletions
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14
include/SDL_hints.h
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@@ -981,13 +981,19 @@ extern "C" {
* \brief A variable controlling whether dispatching OpenGL context updates should block the dispatching thread until the main thread finishes processing
*
* This variable can be set to the following values:
* "0" - Dispatching OpenGL context updates will allow the dispatching thread to continue execution.
* "1" - Dispatching OpenGL context updates will block the dispatching thread until the main thread finishes processing.
* "0" - Dispatching OpenGL context updates will block the dispatching thread until the main thread finishes processing (default).
* "1" - Dispatching OpenGL context updates will allow the dispatching thread to continue execution.
*
* This hint only applies to Mac OS X
* Generally you want the default, but if you have OpenGL code in a background thread on a Mac, and the main thread
* hangs because it's waiting for that background thread, but that background thread is also hanging because it's
* waiting for the main thread to do an update, this might fix your issue.
*
* This hint only applies to macOS.
*
* This hint is available since SDL 2.24.0.
*
*/
#define SDL_HINT_MAC_OPENGL_SYNC_DISPATCH "SDL_MAC_OPENGL_SYNC_DISPATCH"
#define SDL_HINT_MAC_OPENGL_ASYNC_DISPATCH "SDL_MAC_OPENGL_ASYNC_DISPATCH"
/**
* \brief A variable setting the double click radius, in pixels.