[d3d11] Set up unused extra state for the backend correctly

src/d3d11/d3d11_context.cpp

@@ -3124,7 +3124,18 @@ namespace dxvk {
         cScissors.data());
     });
   }
-  
+
+
+  void D3D11DeviceContext::ApplyUnusedState() {
+    // Initialize state that isn't exposed in D3D11
+    EmitCs([] (DxvkContext* ctx) {
+      DxvkExtraState xs;
+      xs.alphaCompareOp = VK_COMPARE_OP_ALWAYS;
+
+      ctx->setExtraState(xs);
+    });
+  }
+
   
   void D3D11DeviceContext::BindShader(
           DxbcProgramType       ShaderStage,
@@ -3565,6 +3576,7 @@ namespace dxvk {
     ApplyStencilRef();
     ApplyRasterizerState();
     ApplyViewportState();
+    ApplyUnusedState();
 
     BindDrawBuffer(
       m_state.id.argBuffer.ptr());

src/d3d11/d3d11_context.h

@@ -680,6 +680,8 @@ namespace dxvk {
     void ApplyRasterizerState();
     
     void ApplyViewportState();
+
+    void ApplyUnusedState();
     
     void BindShader(
             DxbcProgramType                   ShaderStage,