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GraphicsDeviceEnumeration.cpp

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00001 //------------------------------------------------------------------------------
00002 // Lamp : Open source game middleware
00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
00004 //
00005 // This library is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU Lesser General Public
00007 // License as published by the Free Software Foundation; either
00008 // version 2.1 of the License, or (at your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public
00016 // License along with this library; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //------------------------------------------------------------------------------
00019 
00020 /** @file
00021  * グラフィックスデバイス列挙実装
00022  * @author Junpee
00023  */
00024 
00025 #include "LampBasic.h"
00026 #include "Graphics/Enumeration/GraphicsDeviceEnumeration.h"
00027 #include "Graphics/System/LampGraphics.h"
00028 
00029 namespace Lamp{
00030 
00031 // インスタンス
00032 GraphicsDeviceEnumeration* GraphicsDeviceEnumeration::instance_ = NULL;
00033 
00034 //------------------------------------------------------------------------------
00035 // コンストラクタ
00036 GraphicsDeviceEnumeration::GraphicsDeviceEnumeration(){
00037     Assert(instance_ == NULL);
00038     instance_ = this;
00039     enumerated_ = false;
00040     // デフォルトの許可フォーマット
00041     addAllowedFormat(D3DFMT_X8R8G8B8);
00042     addAllowedFormat(D3DFMT_X1R5G5B5);
00043     addAllowedFormat(D3DFMT_R5G6B5);
00044     addAllowedFormat(D3DFMT_A2R10G10B10);
00045     // 空のグラフィックスデバイス確認設定
00046     setConfirmGraphicsDevice(this);
00047     // 最小フルスクリーンサイズ
00048     setMinimumFullscreenWidth(640);
00049     setMinimumFullscreenHeight(480);
00050     // 最小ビット深度
00051     setMinimumAdapterColorChannelBits(5);
00052     setMinimumBackBufferAlphaChannelBits(0);
00053     setMinimumDepthBits(15);
00054     setMinimumStencilBits(0);
00055     // 画面モードの必要性
00056     setRequiresWindowMode(false);
00057     setRequiresFullscreenMode(false);
00058     // 深度、ステンシルバッファを使用する
00059     setUsesDepthStencilBuffer(true);
00060     // 混合頂点演算を使用しない
00061     setUsesMixedVertexProcessing(false);
00062 }
00063 //------------------------------------------------------------------------------
00064 // デストラクタ
00065 GraphicsDeviceEnumeration::~GraphicsDeviceEnumeration(){
00066     // アダプタの削除
00067     for(int i = getAdapterCount() - 1; i >= 0; i--){
00068         delete getAdapter(i);
00069     }
00070     Assert(instance_ == this);
00071     instance_ = NULL;
00072 }
00073 //------------------------------------------------------------------------------
00074 // 列挙
00075 bool GraphicsDeviceEnumeration::enumerate(){
00076     if(enumerated_){ return true; }
00077     Direct3D* direct3D = LampGraphics::getDirect3D();
00078     u_int adapterCount = direct3D->GetAdapterCount();
00079     for(u_int i = 0; i < adapterCount; i++){
00080         GraphicsAdapterInformation* adapter = new GraphicsAdapterInformation(i);
00081         adapter->enumerate(this);
00082         // アダプタに含まれるデバイスが0なら削除
00083         if(adapter->getDeviceCount() == 0){
00084             delete adapter;
00085             continue;
00086         }
00087         adapters_.add(adapter);
00088     }
00089     enumerated_ = true;
00090     return true;
00091 }
00092 //------------------------------------------------------------------------------
00093 } // End of namespace Lamp
00094 //------------------------------------------------------------------------------

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