mirrors/SDL
1
0
Fork 0
mirror of https://github.com/libsdl-org/SDL.git synced 2026-02-07 04:17:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

Android: need to save/restore the swap interval / vsync

Browse Source 
otherwise, there is a difference of framerate, either with gles2 or SDL_renderer (testspriteminimal, testgles2).
This commit is contained in:
Sylvain
2023-04-12 10:21:49 +02:00
committed by Sylvain Becker
parent 8162d6659a
commit ec053ec4f8
2 changed files with 15 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/video/android/SDL_androidevents.c
View File

@@ -82,15 +82,28 @@ static void android_egl_context_restore(SDL_Window *window)
SDL_PushEvent(&event);
}
data->backup_done = 0;
if (data->has_swap_interval) {
SDL_GL_SetSwapInterval(data->swap_interval);
}
}
}
static void android_egl_context_backup(SDL_Window *window)
{
if (window) {
int interval = 0;
/* Keep a copy of the EGL Context so we can try to restore it when we resume */
SDL_WindowData *data = window->driverdata;
data->egl_context = SDL_GL_GetCurrentContext();
/* Save/Restore the swap interval / vsync */
if (SDL_GL_GetSwapInterval(&interval) == 0) {
data->has_swap_interval = 1;
data->swap_interval = interval;
}
/* We need to do this so the EGLSurface can be freed */
SDL_GL_MakeCurrent(window, NULL);
data->backup_done = 1;

2
src/video/android/SDL_androidwindow.h
View File

@@ -41,6 +41,8 @@ struct SDL_WindowData
#ifdef SDL_VIDEO_OPENGL_EGL
EGLSurface egl_surface;
EGLContext egl_context; /* We use this to preserve the context when losing focus */
int has_swap_interval; /* Save/Restore the swap interval / vsync */
int swap_interval;
#endif
SDL_bool backup_done;
ANativeWindow *native_window;