GPU: Fix double shader compilation

src/core/gpu.cpp

@@ -61,6 +61,12 @@ void GPU::UpdateSettings()
   UpdateCRTCDisplayParameters();
 }
 
+void GPU::UpdateHardwareType()
+{
+  m_console_is_pal = m_system->IsPALRegion();
+  UpdateCRTCDisplayParameters();
+}
+
 void GPU::Reset()
 {
   SoftReset();

src/core/gpu.h

@@ -169,6 +169,9 @@ public:
   // Converts window coordinates into horizontal ticks and scanlines. Returns false if out of range. Used for lightguns.
   bool ConvertScreenCoordinatesToBeamTicksAndLines(s32 window_x, s32 window_y, u32* out_tick, u32* out_line) const;
 
+  // Updates hardware type from settings.
+  void UpdateHardwareType();
+
 protected:
   TickCount GPUTicksToSystemTicks(TickCount gpu_ticks, TickCount fractional_ticks) const;
   TickCount SystemTicksToGPUTicks(TickCount sysclk_ticks, TickCount* fractional_ticks) const;

src/core/system.cpp

@@ -260,7 +260,7 @@ void System::InitializeComponents()
   m_timers->Initialize(this, m_interrupt_controller.get(), m_gpu.get());
   m_spu->Initialize(this, m_dma.get(), m_interrupt_controller.get());
   m_mdec->Initialize(this, m_dma.get());
-  m_gpu->UpdateSettings();
+  m_gpu->UpdateHardwareType();
 
   UpdateThrottlePeriod();
 }