Wiring up register read/write from JIT -> GPU.

src/xenia/gpu/d3d11/d3d11_graphics_system.cc

@@ -23,3 +23,12 @@ D3D11GraphicsSystem::D3D11GraphicsSystem(const CreationParams* params) :
 
 D3D11GraphicsSystem::~D3D11GraphicsSystem() {
 }
+
+uint64_t D3D11GraphicsSystem::ReadRegister(uint32_t r) {
+  XELOGGPU("ReadRegister(%.4X)", r);
+  return 0;
+}
+
+void D3D11GraphicsSystem::WriteRegister(uint32_t r, uint64_t value) {
+  XELOGGPU("WriteRegister(%.4X, %.8X)", r, value);
+}

src/xenia/gpu/d3d11/d3d11_graphics_system.h

@@ -28,6 +28,9 @@ class D3D11GraphicsSystem : public GraphicsSystem {
 public:
   D3D11GraphicsSystem(const CreationParams* params);
   virtual ~D3D11GraphicsSystem();
+
+  virtual uint64_t ReadRegister(uint32_t r);
+  virtual void WriteRegister(uint32_t r, uint64_t value);
 };
 
 

src/xenia/gpu/graphics_system.h

@@ -20,6 +20,8 @@ namespace gpu {
 class CreationParams {
 public:
   xe_memory_ref memory;
+
+  CreationParams() : memory(NULL) {}
 };
 
 
@@ -29,6 +31,16 @@ public:
 
   xe_memory_ref memory();
 
+  virtual uint64_t ReadRegister(uint32_t r) = 0;
+  virtual void WriteRegister(uint32_t r, uint64_t value) = 0;
+
+  static uint64_t ReadRegisterThunk(GraphicsSystem* this_ptr, uint32_t r) {
+    return this_ptr->ReadRegister(r);
+  }
+  static void WriteRegisterThunk(GraphicsSystem* this_ptr, uint32_t r, uint64_t value) {
+    this_ptr->WriteRegister(r, value);
+  }
+
 protected:
   GraphicsSystem(const CreationParams* params);
 

src/xenia/gpu/nop/nop_graphics_system.cc

@@ -23,3 +23,12 @@ NopGraphicsSystem::NopGraphicsSystem(const CreationParams* params) :
 
 NopGraphicsSystem::~NopGraphicsSystem() {
 }
+
+uint64_t NopGraphicsSystem::ReadRegister(uint32_t r) {
+  XELOGGPU("ReadRegister(%.4X)", r);
+  return 0;
+}
+
+void NopGraphicsSystem::WriteRegister(uint32_t r, uint64_t value) {
+  XELOGGPU("WriteRegister(%.4X, %.8X)", r, value);
+}

src/xenia/gpu/nop/nop_graphics_system.h

@@ -25,6 +25,9 @@ class NopGraphicsSystem : public GraphicsSystem {
 public:
   NopGraphicsSystem(const CreationParams* params);
   virtual ~NopGraphicsSystem();
+
+  virtual uint64_t ReadRegister(uint32_t r);
+  virtual void WriteRegister(uint32_t r, uint64_t value);
 };