kc3-lang/angle/src/libGLESv2/renderer/Fence9.cpp

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• Hash : ea228635
  Author :
  Date : 2013-07-30T15:17:12
  

  Use SafeRelease and SafeDelete to make sure released objects are NULL and will cause proper errors if referenced again.
  
  TRAC #23617
  
  Signed-off-by: Nicolas Capens
  Signed-off-by: Shannon Woods
  Author: Geoff Lang
  

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• src/libGLESv2/renderer/Fence9.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.
  //
  
  // Fence9.cpp: Defines the rx::Fence9 class.
  
  #include "libGLESv2/renderer/Fence9.h"
  #include "libGLESv2/main.h"
  #include "libGLESv2/renderer/renderer9_utils.h"
  #include "libGLESv2/renderer/Renderer9.h"
  
  namespace rx
  {
  
  Fence9::Fence9(rx::Renderer9 *renderer)
  {
      mRenderer = renderer;
      mQuery = NULL;
  }
  
  Fence9::~Fence9()
  {
      SafeRelease(mQuery);
  }
  
  bool Fence9::isSet() const
  {
      return mQuery != NULL;
  }
  
  void Fence9::set()
  {
      if (!mQuery)
      {
          mQuery = mRenderer->allocateEventQuery();
          if (!mQuery)
          {
              return gl::error(GL_OUT_OF_MEMORY);
          }
      }
  
      HRESULT result = mQuery->Issue(D3DISSUE_END);
      ASSERT(SUCCEEDED(result));
  }
  
  bool Fence9::test(bool flushCommandBuffer)
  {
      ASSERT(mQuery);
  
      DWORD getDataFlags = (flushCommandBuffer ? D3DGETDATA_FLUSH : 0);
      HRESULT result = mQuery->GetData(NULL, 0, getDataFlags);
  
      if (d3d9::isDeviceLostError(result))
      {
          mRenderer->notifyDeviceLost();
          return gl::error(GL_OUT_OF_MEMORY, true);
      }
  
      ASSERT(result == S_OK || result == S_FALSE);
  
      return (result == S_OK);
  }
  
  bool Fence9::hasError() const
  {
      return mRenderer->isDeviceLost();
  }
  
  }
  

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