[d3d11] Removed draw-call based context flush

Combined with the recent command submission optimization,
this actually had a negative impact on performance.

src/d3d11/d3d11_context.cpp

@@ -166,7 +166,6 @@ namespace dxvk {
   void STDMETHODCALLTYPE D3D11DeviceContext::Flush() {
     if (m_type == D3D11_DEVICE_CONTEXT_IMMEDIATE) {
       m_parent->FlushInitContext();
-      m_executedDrawCalls = 0;
       
       m_device->submitCommandList(
         m_context->endRecording(),
@@ -738,7 +737,6 @@ namespace dxvk {
     m_context->draw(
       VertexCount, 1,
       StartVertexLocation, 0);
-    m_executedDrawCalls += 1;
   }
   
   
@@ -750,7 +748,6 @@ namespace dxvk {
       IndexCount, 1,
       StartIndexLocation,
       BaseVertexLocation, 0);
-    m_executedDrawCalls += 1;
   }
   
   
@@ -764,7 +761,6 @@ namespace dxvk {
       InstanceCount,
       StartVertexLocation,
       StartInstanceLocation);
-    m_executedDrawCalls += 1;
   }
   
   
@@ -780,7 +776,6 @@ namespace dxvk {
       StartIndexLocation,
       BaseVertexLocation,
       StartInstanceLocation);
-    m_executedDrawCalls += 1;
   }
   
   
@@ -791,7 +786,6 @@ namespace dxvk {
     DxvkBufferSlice bufferSlice = buffer->GetBufferSlice(AlignedByteOffsetForArgs);
     
     m_context->drawIndexedIndirect(bufferSlice, 1, 0);
-    m_executedDrawCalls += 1;
   }
   
   
@@ -802,7 +796,6 @@ namespace dxvk {
     DxvkBufferSlice bufferSlice = buffer->GetBufferSlice(AlignedByteOffsetForArgs);
     
     m_context->drawIndirect(bufferSlice, 1, 0);
-    m_executedDrawCalls += 1;
   }
   
   
@@ -814,7 +807,6 @@ namespace dxvk {
       ThreadGroupCountX,
       ThreadGroupCountY,
       ThreadGroupCountZ);
-    m_executedDrawCalls += 1;
   }
   
   
@@ -825,7 +817,6 @@ namespace dxvk {
     DxvkBufferSlice bufferSlice = buffer->GetBufferSlice(AlignedByteOffsetForArgs);
     
     m_context->dispatchIndirect(bufferSlice);
-    m_executedDrawCalls += 1;
   }
   
   
@@ -1550,13 +1541,6 @@ namespace dxvk {
           UINT                              NumViews,
           ID3D11RenderTargetView* const*    ppRenderTargetViews,
           ID3D11DepthStencilView*           pDepthStencilView) {
-    // Optimization: If the app has executed at least a given
-    // number of draw calls since the last explicit flush, flush
-    // the context in order to keep the GPU busy. We'll do this
-    // here because we are going to start a new render pass anyway.
-//     if (m_executedDrawCalls >= 500)
-//       this->Flush();
-    
     for (UINT i = 0; i < m_state.om.renderTargetViews.size(); i++) {
       D3D11RenderTargetView* view = nullptr;
       

src/d3d11/d3d11_context.h

@@ -564,8 +564,6 @@ namespace dxvk {
     
     D3D11ContextState     m_state;
     
-    uint32_t m_executedDrawCalls = 0;
-    
     void BindConstantBuffers(
             DxbcProgramType                   ShaderStage,
             D3D11ConstantBufferBindings&      Bindings,