kc3-lang/angle/src/libGLESv2/renderer/d3d11/Fence11.cpp

Branch : - branch - main - tag -

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  Commit

• Author : Geoff Lang
  Date : 2013-08-29 11:40:43
  Hash : d47e0fcc
  Message : Split the d3d9 and d3d11 backends into folders and updated the gyp file to use a python script to generate the file lists for the libGLESv2 and libEGL projects.

• src/libGLESv2/renderer/d3d11/Fence11.cpp

• #include "precompiled.h"
  //
  // Copyright (c) 2013 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // Fence11.cpp: Defines the rx::Fence11 class which implements rx::FenceImpl.
  
  #include "libGLESv2/renderer/d3d11/Fence11.h"
  #include "libGLESv2/main.h"
  #include "libGLESv2/renderer/d3d11/Renderer11.h"
  
  namespace rx
  {
  
  Fence11::Fence11(rx::Renderer11 *renderer)
  {
      mRenderer = renderer;
      mQuery = NULL;
  }
  
  Fence11::~Fence11()
  {
      SafeRelease(mQuery);
  }
  
  bool Fence11::isSet() const
  {
      return mQuery != NULL;
  }
  
  void Fence11::set()
  {
      if (!mQuery)
      {
          D3D11_QUERY_DESC queryDesc;
          queryDesc.Query = D3D11_QUERY_EVENT;
          queryDesc.MiscFlags = 0;
  
          if (FAILED(mRenderer->getDevice()->CreateQuery(&queryDesc, &mQuery)))
          {
              return gl::error(GL_OUT_OF_MEMORY);
          }
      }
  
      mRenderer->getDeviceContext()->End(mQuery);
  }
  
  bool Fence11::test(bool flushCommandBuffer)
  {
      ASSERT(mQuery);
  
      UINT getDataFlags = (flushCommandBuffer ? 0 : D3D11_ASYNC_GETDATA_DONOTFLUSH);
      HRESULT result = mRenderer->getDeviceContext()->GetData(mQuery, NULL, 0, getDataFlags);
  
      if (mRenderer->isDeviceLost())
      {
         return gl::error(GL_OUT_OF_MEMORY, true);
      }
  
      ASSERT(result == S_OK || result == S_FALSE);
      return (result == S_OK);
  }
  
  bool Fence11::hasError() const
  {
      return mRenderer->isDeviceLost();
  }
  
  }