The default swap interval on EGL is 1, according to the spec

slouken · slouken · commit 137b0b2bee2b · 2025-09-22T10:23:08.000-07:00
Fixes #14014
diff --git a/src/video/SDL_egl.c b/src/video/SDL_egl.c
@@ -1107,7 +1107,8 @@ SDL_GLContext SDL_EGL_CreateContext(SDL_VideoDevice *_this, EGLSurface egl_surfa
         return NULL;
     }
 
-    _this->egl_data->egl_swapinterval = 0;
+    // The default swap interval is 1, according to the spec
+    _this->egl_data->egl_swapinterval = 1;
 
     if (!SDL_EGL_MakeCurrent(_this, egl_surface, (SDL_GLContext)egl_context)) {
         // Delete the context

Original file line number	Diff line number	Diff line change
`@@ -1107,7 +1107,8 @@ SDL_GLContext SDL_EGL_CreateContext(SDL_VideoDevice *_this, EGLSurface egl_surfa`
`1107`	`1107`	`return NULL;`
`1108`	`1108`	`}`
`1109`	`1109`
`1110`		`- _this->egl_data->egl_swapinterval = 0;`
	`1110`	`+ // The default swap interval is 1, according to the spec`
	`1111`	`+ _this->egl_data->egl_swapinterval = 1;`
`1111`	`1112`
`1112`	`1113`	`if (!SDL_EGL_MakeCurrent(_this, egl_surface, (SDL_GLContext)egl_context)) {`
`1113`	`1114`	`// Delete the context`