SlimDXc_Jun2010(VC++2008)/source/direct3d11/Buffer11.cpp

   1 #include "stdafx.h"\r
   2 /*\r
   3 * Copyright (c) 2007-2010 SlimDX Group\r
   4 * \r
   5 * Permission is hereby granted, free of charge, to any person obtaining a copy\r
   6 * of this software and associated documentation files (the "Software"), to deal\r
   7 * in the Software without restriction, including without limitation the rights\r
   8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\r
   9 * copies of the Software, and to permit persons to whom the Software is\r
  10 * furnished to do so, subject to the following conditions:\r
  11 * \r
  12 * The above copyright notice and this permission notice shall be included in\r
  13 * all copies or substantial portions of the Software.\r
  14 * \r
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r
  18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
  19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r
  20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\r
  21 * THE SOFTWARE.\r
  22 */\r
  23 \r
  24 #include <d3d11.h>\r
  25 #include <d3dx11.h>\r
  26 \r
  27 #include "../DataStream.h"\r
  28 \r
  29 #include "Direct3D11Exception.h"\r
  30 \r
  31 #include "Buffer11.h"\r
  32 #include "BufferDescription11.h"\r
  33 #include "Device11.h"\r
  34 \r
  35 using namespace System;\r
  36 \r
  37 namespace SlimDX\r
  38 {\r
  39 namespace Direct3D11\r
  40 { \r
  41         Buffer::Buffer( SlimDX::Direct3D11::Device^ device, BufferDescription description )\r
  42         {\r
  43                 Construct( Build( device, nullptr, description.SizeInBytes, description.Usage, description.BindFlags, description.CpuAccessFlags, description.OptionFlags, description.StructureByteStride ) );\r
  44         }\r
  45 \r
  46         Buffer::Buffer( SlimDX::Direct3D11::Device^ device, DataStream^ data, BufferDescription description )\r
  47         {\r
  48                 Construct( Build( device, data, description.SizeInBytes, description.Usage, description.BindFlags, description.CpuAccessFlags, description.OptionFlags, description.StructureByteStride ) );\r
  49         }\r
  50         \r
  51         Buffer::Buffer( SlimDX::Direct3D11::Device^ device, int sizeInBytes, ResourceUsage usage, SlimDX::Direct3D11::BindFlags bindFlags, CpuAccessFlags accessFlags, ResourceOptionFlags optionFlags, int structureByteStride )\r
  52         {\r
  53                 Construct( Build( device, nullptr, sizeInBytes, usage, bindFlags, accessFlags, optionFlags, structureByteStride ) );\r
  54         }\r
  55         \r
  56         Buffer::Buffer( SlimDX::Direct3D11::Device^ device, DataStream^ data, int sizeInBytes, ResourceUsage usage, SlimDX::Direct3D11::BindFlags bindFlags, CpuAccessFlags accessFlags, ResourceOptionFlags optionFlags, int structureByteStride )\r
  57         {               \r
  58                 Construct( Build( device, data, sizeInBytes, usage, bindFlags, accessFlags, optionFlags, structureByteStride ) );\r
  59         }\r
  60 \r
  61         ID3D11Buffer* Buffer::Build( SlimDX::Direct3D11::Device^ device, DataStream^ data, int sizeInBytes, ResourceUsage usage, SlimDX::Direct3D11::BindFlags bindFlags, CpuAccessFlags accessFlags, ResourceOptionFlags optionFlags, int structureByteStride )\r
  62         {\r
  63                 D3D11_BUFFER_DESC description;\r
  64                 ZeroMemory( &description, sizeof( description ) );\r
  65                 description.ByteWidth = sizeInBytes;\r
  66                 description.Usage = static_cast<D3D11_USAGE>( usage );\r
  67                 description.BindFlags = static_cast<UINT>( bindFlags );\r
  68                 description.CPUAccessFlags = static_cast<UINT>( accessFlags );\r
  69                 description.MiscFlags = static_cast<UINT>( optionFlags );\r
  70                 description.StructureByteStride = structureByteStride;\r
  71                 \r
  72                 ID3D11Buffer* buffer = 0;\r
  73                 if( data == nullptr )\r
  74                 {\r
  75                         if( RECORD_D3D11( device->InternalPointer->CreateBuffer( &description, 0, &buffer ) ).IsFailure )\r
  76                                 throw gcnew Direct3D11Exception( Result::Last );\r
  77                 }\r
  78                 else\r
  79                 {\r
  80                         D3D11_SUBRESOURCE_DATA initialData;\r
  81                         ZeroMemory( &initialData, sizeof( initialData ) );\r
  82                         initialData.pSysMem = data->PositionPointer;\r
  83                         data->Position += sizeInBytes;\r
  84                         \r
  85                         if( RECORD_D3D11( device->InternalPointer->CreateBuffer( &description, &initialData, &buffer ) ).IsFailure )\r
  86                                 throw gcnew Direct3D11Exception( Result::Last );\r
  87                 }\r
  88                 \r
  89                 return buffer;\r
  90         }\r
  91         \r
  92         BufferDescription Buffer::Description::get()\r
  93         {\r
  94                 D3D11_BUFFER_DESC description;\r
  95                 InternalPointer->GetDesc( &description );\r
  96                 return BufferDescription( description );\r
  97         }\r
  98 }\r
  99 }\r