SlimDXc_Jun2010(VC++2008)/source/dxgi/SurfaceDxgi.cpp

   1 #include "stdafx.h"
   2 /*
   3 * Copyright (c) 2007-2010 SlimDX Group
   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 deal
   7 * in the Software without restriction, including without limitation the rights
   8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9 * 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 FROM,
  20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21 * THE SOFTWARE.
  22 */
  23
  24 #include <dxgi.h>
  25
  26 #include "../DataStream.h"
  27 #include "../DataRectangle.h"
  28
  29 #include "DXGIException.h"
  30
  31 #include "SwapChainDxgi.h"
  32 #include "SurfaceDxgi.h"
  33 #include "SurfaceDescription.h"
  34
  35 using namespace System;
  36
  37 namespace SlimDX
  38 {
  39 namespace DXGI
  40 {
  41         SurfaceDescription Surface::Description::get()
  42         {
  43                 DXGI_SURFACE_DESC nativeDescription;
  44                 if (RECORD_DXGI( InternalPointer->GetDesc( &nativeDescription ) ).IsFailure)
  45                         return SurfaceDescription();
  46
  47                 return SurfaceDescription( nativeDescription );
  48         }
  49
  50         DataRectangle^ Surface::Map( MapFlags flags )
  51         {
  52                 DXGI_MAPPED_RECT mappedRect;
  53                 if( RECORD_DXGI( InternalPointer->Map( &mappedRect, static_cast<UINT>( flags ) ) ).IsFailure )
  54                         return nullptr;
  55
  56                 int size = Description.Width * Description.Height * Utilities::SizeOfFormatElement( static_cast<DXGI_FORMAT>( Description.Format ) );
  57                 bool canRead = ( static_cast<UINT>( flags ) & DXGI_MAP_READ ) != 0;
  58                 bool canWrite = ( static_cast<UINT>( flags ) & DXGI_MAP_WRITE ) != 0;
  59                 return gcnew DataRectangle( mappedRect.Pitch, gcnew DataStream( mappedRect.pBits, size, canRead, canWrite, false ) );
  60         }
  61
  62         Result Surface::Unmap()
  63         {
  64                 return RECORD_DXGI( InternalPointer->Unmap() );
  65         }
  66
  67         Surface^ Surface::FromSwapChain( SlimDX::DXGI::SwapChain^ swapChain, int index )
  68         {
  69                 IDXGISurface *buffer;
  70                 GUID guid = Utilities::GetNativeGuidForType( Surface::typeid );
  71
  72                 if (RECORD_DXGI( swapChain->InternalPointer->GetBuffer(index, guid, reinterpret_cast<void**>(&buffer)) ).IsFailure)
  73                         return nullptr;
  74
  75                 return Surface::FromPointer( buffer );
  76         }
  77 }
  78 }