GPU: Move the GPU's class constructor and destructors to a cpp file.

This should reduce recompile times when editing the Maxwell3D register structure.

src/video_core/CMakeLists.txt

@@ -7,6 +7,7 @@ add_library(video_core STATIC
     engines/maxwell_3d.h
     engines/maxwell_compute.cpp
     engines/maxwell_compute.h
+    gpu.cpp
     gpu.h
     memory_manager.cpp
     memory_manager.h

src/video_core/gpu.cpp

@@ -0,0 +1,21 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "video_core/engines/fermi_2d.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/engines/maxwell_compute.h"
+#include "video_core/gpu.h"
+
+namespace Tegra {
+
+GPU::GPU() {
+    memory_manager = std::make_unique<MemoryManager>();
+    maxwell_3d = std::make_unique<Engines::Maxwell3D>(*memory_manager);
+    fermi_2d = std::make_unique<Engines::Fermi2D>();
+    maxwell_compute = std::make_unique<Engines::MaxwellCompute>();
+}
+
+GPU::~GPU() = default;
+
+} // namespace Tegra

src/video_core/gpu.h

@@ -8,13 +8,16 @@
 #include <unordered_map>
 #include <vector>
 #include "common/common_types.h"
-#include "video_core/engines/fermi_2d.h"
-#include "video_core/engines/maxwell_3d.h"
-#include "video_core/engines/maxwell_compute.h"
 #include "video_core/memory_manager.h"
 
 namespace Tegra {
 
+namespace Engines {
+class Fermi2D;
+class Maxwell3D;
+class MaxwellCompute;
+} // namespace Engines
+
 enum class EngineID {
     FERMI_TWOD_A = 0x902D, // 2D Engine
     MAXWELL_B = 0xB197,    // 3D Engine
@@ -25,13 +28,8 @@ enum class EngineID {
 
 class GPU final {
 public:
-    GPU() {
-        memory_manager = std::make_unique<MemoryManager>();
-        maxwell_3d = std::make_unique<Engines::Maxwell3D>(*memory_manager);
-        fermi_2d = std::make_unique<Engines::Fermi2D>();
-        maxwell_compute = std::make_unique<Engines::MaxwellCompute>();
-    }
-    ~GPU() = default;
+    GPU();
+    ~GPU();
 
     /// Processes a command list stored at the specified address in GPU memory.
     void ProcessCommandList(GPUVAddr address, u32 size);