nvapi-d3d: Validate that NVAPI has been initialized

1 files changed, 9 insertions, 0 deletions

diff --git a/src/nvapi_d3d.cpp b/src/nvapi_d3d.cpp
index b6f4cee..92723f4 100644
--- a/src/nvapi_d3d.cpp
+++ b/src/nvapi_d3d.cpp
@@ -109,6 +109,9 @@ extern "C" {
         static bool alreadyLoggedOk = false;
         static bool alreadyLoggedNoLfx = false;
 
+        if (nvapiAdapterRegistry == nullptr)
+            return ApiNotInitialized(n);
+
         if (!nvapiD3dInstance->IsReflexAvailable())
             return NoImplementation(n, alreadyLoggedNoLfx);
 
@@ -121,6 +124,9 @@ extern "C" {
         constexpr auto n = __func__;
         static bool alreadyLoggedNoLfx = false;
 
+        if (nvapiAdapterRegistry == nullptr)
+            return ApiNotInitialized(n);
+
         if (pSetSleepModeParams->version != NV_SET_SLEEP_MODE_PARAMS_VER1)
             return IncompatibleStructVersion(n);
 
@@ -138,6 +144,9 @@ extern "C" {
         constexpr auto n = __func__;
         static bool alreadyLoggedNoLfx = false;
 
+        if (nvapiAdapterRegistry == nullptr)
+            return ApiNotInitialized(n);
+
         if (pGetSleepStatusParams->version != NV_GET_SLEEP_STATUS_PARAMS_VER1)
             return IncompatibleStructVersion(n);