Fix queries stop working after changing resolution

src/graphics/glwrap.cpp

@@ -263,8 +263,9 @@ ScopedGPUTimer::~ScopedGPUTimer()
 }
 
 GPUTimer::GPUTimer(const char* name)
-        : initialised(false), lastResult(0), canSubmitQuery(true), m_name(name)
+        : m_name(name)
 {
+    reset();
 }
 
 unsigned GPUTimer::elapsedTimeus()

src/graphics/glwrap.hpp

@@ -61,6 +61,12 @@ public:
     GPUTimer(const char* name);
     unsigned elapsedTimeus();
     const char* getName() const { return m_name; }
+    void reset()
+    {
+        initialised = false;
+        lastResult = 0;
+        canSubmitQuery = true;
+    }
 };
 
 class VertexUtils

src/graphics/irr_driver.cpp

@@ -897,6 +897,13 @@ void IrrDriver::applyResolutionSettings()
     SharedGPUObjects::reset();
     initDevice();
 
+#ifndef SERVER_ONLY
+    for (unsigned i = 0; i < Q_LAST; i++)
+    {
+        m_perf_query[i]->reset();
+    }
+#endif
+
     font_manager = new FontManager();
     font_manager->loadFonts();
     // Re-init GUI engine