[d3d11] Add EmitCs method to D3D11DeviceContext

Subsequently, all calls into the DXVK context will be
replaced by calls to the EmitCs method with a lambda.

src/d3d11/d3d11_context.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "../dxvk/dxvk_adapter.h"
+#include "../dxvk/dxvk_cs.h"
 #include "../dxvk/dxvk_device.h"
 
 #include "d3d11_context_state.h"
@@ -564,6 +565,12 @@ namespace dxvk {
     
     Rc<DxvkSampler> CreateDefaultSampler();
     
+    template<typename Cmd>
+    void EmitCs(Cmd&& command) {
+      // TODO push to CS chunk
+      command.execute(m_context.ptr());
+    }
+    
   };
   
 }

src/d3d11/d3d11_context_imm.cpp

@@ -200,6 +200,7 @@ namespace dxvk {
   
   
   void D3D11ImmediateContext::Synchronize() {
+    // TODO sync with CS thread
     m_device->waitForIdle();
   }