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vi: connect vsync event handle lifetime to application display service interface

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This commit is contained in:
Liam 2024-01-06 23:58:04 -05:00
parent ae88ea79b2
commit ea710e6523
4 changed files with 11 additions and 24 deletions
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3
src/core/hle/service/nvnflinger/nvnflinger.cpp
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@ -223,7 +223,8 @@ Result Nvnflinger::FindVsyncEvent(Kernel::KReadableEvent** out_vsync_event, u64
return VI::ResultNotFound;
}
return display->GetVSyncEvent(out_vsync_event);
*out_vsync_event = display->GetVSyncEvent();
return ResultSuccess;
}
VI::Display* Nvnflinger::FindDisplay(u64 display_id) {

13
src/core/hle/service/vi/display/vi_display.cpp
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@ -71,18 +71,7 @@ size_t Display::GetNumLayers() const {
return std::ranges::count_if(layers, [](auto& l) { return l->IsOpen(); });
}
Result Display::GetVSyncEvent(Kernel::KReadableEvent** out_vsync_event) {
if (got_vsync_event) {
return ResultPermissionDenied;
}
got_vsync_event = true;
*out_vsync_event = GetVSyncEventUnchecked();
return ResultSuccess;
}
Kernel::KReadableEvent* Display::GetVSyncEventUnchecked() {
Kernel::KReadableEvent* Display::GetVSyncEvent() {
return &vsync_event->GetReadableEvent();
}

12
src/core/hle/service/vi/display/vi_display.h
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@ -74,16 +74,8 @@ public:
std::size_t GetNumLayers() const;
/**
* Gets the internal vsync event.
*
* @returns The internal Vsync event if it has not yet been retrieved,
* VI::ResultPermissionDenied otherwise.
*/
[[nodiscard]] Result GetVSyncEvent(Kernel::KReadableEvent** out_vsync_event);
/// Gets the internal vsync event.
Kernel::KReadableEvent* GetVSyncEventUnchecked();
Kernel::KReadableEvent* GetVSyncEvent();
/// Signals the internal vsync event.
void SignalVSyncEvent();
@ -104,7 +96,6 @@ public:
/// Resets the display for a new connection.
void Reset() {
layers.clear();
got_vsync_event = false;
}
/// Attempts to find a layer with the given ID.
@ -133,7 +124,6 @@ private:
std::vector<std::unique_ptr<Layer>> layers;
Kernel::KEvent* vsync_event{};
bool got_vsync_event{false};
};
} // namespace Service::VI

7
src/core/hle/service/vi/vi.cpp
View File

@ -808,6 +808,12 @@ private:
rb.Push(result);
return;
}
if (vsync_event_fetched) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(VI::ResultPermissionDenied);
return;
}
vsync_event_fetched = true;
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
@ -901,6 +907,7 @@ private:
Nvnflinger::Nvnflinger& nvnflinger;
Nvnflinger::HosBinderDriverServer& hos_binder_driver_server;
bool vsync_event_fetched{false};
};
static bool IsValidServiceAccess(Permission permission, Policy policy) {