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MacOS: Added hint to control update of the metal layer's drawable size (#14053)

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Dima Volynets
2025-10-08 20:52:01 +03:00
committed by GitHub
parent 98eaa05a9f
commit e4f24ff7ae
2 changed files with 19 additions and 1 deletions
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16
include/SDL3/SDL_hints.h
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@@ -3615,6 +3615,22 @@ extern "C" {
*/
#define SDL_HINT_VIDEO_MAC_FULLSCREEN_MENU_VISIBILITY "SDL_VIDEO_MAC_FULLSCREEN_MENU_VISIBILITY"
/**
* A variable indicating whether the metal layer drawable size should be
* updated for the SDL_EVENT_WINDOW_PIXEL_SIZE_CHANGED event on macOS.
*
* The variable can be set to the following values:
*
* - "0": the metal layer drawable size will not be updated
* on the SDL_EVENT_WINDOW_PIXEL_SIZE_CHANGED event.
* - "1": the metal layer drawable size will be updated
* on the SDL_EVENT_WINDOW_PIXEL_SIZE_CHANGED event. (default)
*
* This hint should be set before SDL_Metal_CreateView called.
*
* \since This hint is available since SDL 3.4.0. */
#define SDL_HINT_VIDEO_METAL_AUTO_RESIZE_DRAWABLE "SDL_VIDEO_METAL_AUTO_RESIZE_DRAWABLE"
/**
* A variable controlling whether SDL will attempt to automatically set the
* destination display to a mode most closely matching that of the previous

2
src/video/cocoa/SDL_cocoametalview.m
View File

@@ -90,7 +90,9 @@ static bool SDLCALL SDL_MetalViewEventWatch(void *userdata, SDL_Event *event)
self.layer.opaque = opaque;
if (SDL_GetHintBoolean(SDL_HINT_VIDEO_METAL_AUTO_RESIZE_DRAWABLE, true)) {
SDL_AddWindowEventWatch(SDL_WINDOW_EVENT_WATCH_EARLY, SDL_MetalViewEventWatch, (__bridge void *)(self));
}
[self updateDrawableSize];
}