vi: check layer state before opening or closing

2 files changed, 10 insertions, 6 deletions

diff --git a/src/core/hle/service/nvnflinger/nvnflinger.cpp b/src/core/hle/service/nvnflinger/nvnflinger.cpp
index e05ff66ff..af6591370 100644
--- a/src/core/hle/service/nvnflinger/nvnflinger.cpp
+++ b/src/core/hle/service/nvnflinger/nvnflinger.cpp
@@ -174,24 +174,28 @@ void Nvnflinger::CreateLayerAtId(VI::Display& display, u64 layer_id) {
     display.CreateLayer(layer_id, buffer_id, nvdrv->container);
 }
 
-void Nvnflinger::OpenLayer(u64 layer_id) {
+bool Nvnflinger::OpenLayer(u64 layer_id) {
     const auto lock_guard = Lock();
 
     for (auto& display : displays) {
         if (auto* layer = display.FindLayer(layer_id); layer) {
-            layer->Open();
+            return layer->Open();
         }
     }
+
+    return false;
 }
 
-void Nvnflinger::CloseLayer(u64 layer_id) {
+bool Nvnflinger::CloseLayer(u64 layer_id) {
     const auto lock_guard = Lock();
 
     for (auto& display : displays) {
         if (auto* layer = display.FindLayer(layer_id); layer) {
-            layer->Close();
+            return layer->Close();
         }
     }
+
+    return false;
 }
 
 void Nvnflinger::DestroyLayer(u64 layer_id) {
diff --git a/src/core/hle/service/nvnflinger/nvnflinger.h b/src/core/hle/service/nvnflinger/nvnflinger.h
index 871285764..a60e0ae6b 100644
--- a/src/core/hle/service/nvnflinger/nvnflinger.h
+++ b/src/core/hle/service/nvnflinger/nvnflinger.h
@@ -74,10 +74,10 @@ public:
     [[nodiscard]] std::optional<u64> CreateLayer(u64 display_id);
 
     /// Opens a layer on all displays for the given layer ID.
-    void OpenLayer(u64 layer_id);
+    bool OpenLayer(u64 layer_id);
 
     /// Closes a layer on all displays for the given layer ID.
-    void CloseLayer(u64 layer_id);
+    bool CloseLayer(u64 layer_id);
 
     /// Destroys the given layer ID.
     void DestroyLayer(u64 layer_id);