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Diffstat (limited to 'Source/3rdParty/SDL2/src/video/cocoa/SDL_cocoaopengl.m')
-rw-r--r--Source/3rdParty/SDL2/src/video/cocoa/SDL_cocoaopengl.m16
1 files changed, 12 insertions, 4 deletions
diff --git a/Source/3rdParty/SDL2/src/video/cocoa/SDL_cocoaopengl.m b/Source/3rdParty/SDL2/src/video/cocoa/SDL_cocoaopengl.m
index 5f18a2e..9539c17 100644
--- a/Source/3rdParty/SDL2/src/video/cocoa/SDL_cocoaopengl.m
+++ b/Source/3rdParty/SDL2/src/video/cocoa/SDL_cocoaopengl.m
@@ -347,10 +347,12 @@ Cocoa_GL_GetDrawableSize(_THIS, SDL_Window * window, int * w, int * h)
NSView *contentView = [windata->nswindow contentView];
NSRect viewport = [contentView bounds];
- /* This gives us the correct viewport for a Retina-enabled view, only
- * supported on 10.7+. */
- if ([contentView respondsToSelector:@selector(convertRectToBacking:)]) {
- viewport = [contentView convertRectToBacking:viewport];
+ if (window->flags & SDL_WINDOW_ALLOW_HIGHDPI) {
+ /* This gives us the correct viewport for a Retina-enabled view, only
+ * supported on 10.7+. */
+ if ([contentView respondsToSelector:@selector(convertRectToBacking:)]) {
+ viewport = [contentView convertRectToBacking:viewport];
+ }
}
if (w) {
@@ -408,8 +410,14 @@ Cocoa_GL_SwapWindow(_THIS, SDL_Window * window)
{ @autoreleasepool
{
SDLOpenGLContext* nscontext = (SDLOpenGLContext*)SDL_GL_GetCurrentContext();
+ SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
+
+ /* on 10.14 ("Mojave") and later, this deadlocks if two contexts in two
+ threads try to swap at the same time, so put a mutex around it. */
+ SDL_LockMutex(videodata->swaplock);
[nscontext flushBuffer];
[nscontext updateIfNeeded];
+ SDL_UnlockMutex(videodata->swaplock);
return 0;
}}