gfxD3D11QueryFence.cpp

Engine/source/gfx/D3D11/gfxD3D11QueryFence.cpp

More...

Detailed Description

  1
  2//-----------------------------------------------------------------------------
  3// Copyright (c) 2015 GarageGames, LLC
  4//
  5// Permission is hereby granted, free of charge, to any person obtaining a copy
  6// of this software and associated documentation files (the "Software"), to
  7// deal in the Software without restriction, including without limitation the
  8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  9// sell copies of the Software, and to permit persons to whom the Software is
 10// furnished to do so, subject to the following conditions:
 11//
 12// The above copyright notice and this permission notice shall be included in
 13// all copies or substantial portions of the Software.
 14//
 15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 21// IN THE SOFTWARE.
 22//-----------------------------------------------------------------------------
 23
 24#include "gfx/D3D11/gfxD3D11Device.h"
 25#include "gfx/D3D11/gfxD3D11QueryFence.h"
 26
 27GFXD3D11QueryFence::~GFXD3D11QueryFence()
 28{
 29   SAFE_RELEASE(mQuery);
 30}
 31
 32void GFXD3D11QueryFence::issue()
 33{
 34   PROFILE_START(GFXD3D11QueryFence_issue);
 35
 36   // Create the query if we need to
 37   if(mQuery == NULL)
 38   {
 39      D3D11_QUERY_DESC QueryDesc;
 40      QueryDesc.Query = D3D11_QUERY_EVENT;
 41      QueryDesc.MiscFlags = 0;
 42
 43      HRESULT hRes = D3D11DEVICE->CreateQuery(&QueryDesc, &mQuery);
 44
 45      if(FAILED(hRes))
 46      {
 47         AssertFatal(false, "Hardware does not support D3D11 Queries, this should be caught before this fence type is created" );
 48      }
 49
 50      AssertISV(hRes != E_OUTOFMEMORY, "Out of memory");
 51   }
 52
 53   // Issue the query
 54   D3D11DEVICECONTEXT->End(mQuery);
 55   PROFILE_END();
 56}
 57
 58GFXFence::FenceStatus GFXD3D11QueryFence::getStatus() const
 59{
 60   if(mQuery == NULL)
 61      return GFXFence::Unset;
 62
 63   HRESULT hRes = D3D11DEVICECONTEXT->GetData(mQuery, NULL, 0, 0);
 64
 65   return (hRes == S_OK ? GFXFence::Processed : GFXFence::Pending);
 66}
 67
 68void GFXD3D11QueryFence::block()
 69{
 70   PROFILE_SCOPE(GFXD3D11QueryFence_block);
 71
 72   // Calling block() before issue() is valid, catch this case
 73   if( mQuery == NULL )
 74      return;
 75
 76   HRESULT hRes;
 77   while((hRes = D3D11DEVICECONTEXT->GetData(mQuery, NULL, 0, 0)) == S_FALSE); //D3DGETDATA_FLUSH
 78
 79}
 80
 81void GFXD3D11QueryFence::zombify()
 82{
 83   // Release our query
 84   SAFE_RELEASE( mQuery );
 85}
 86
 87void GFXD3D11QueryFence::resurrect()
 88{
 89   // Recreate the query
 90   if(mQuery == NULL)
 91   {
 92      D3D11_QUERY_DESC QueryDesc;
 93      QueryDesc.Query = D3D11_QUERY_EVENT;
 94      QueryDesc.MiscFlags = 0;
 95
 96      HRESULT hRes = D3D11DEVICE->CreateQuery(&QueryDesc, &mQuery);
 97
 98      if(FAILED(hRes))
 99      {
100         AssertFatal(false, "GFXD3D11QueryFence::resurrect - Hardware does not support D3D11 Queries, this should be caught before this fence type is created");
101      }
102
103      AssertISV(hRes != E_OUTOFMEMORY, "GFXD3D11QueryFence::resurrect - Out of memory");
104   }
105}
106
107const String GFXD3D11QueryFence::describeSelf() const
108{
109   // We've got nothing
110   return String();
111}
112