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# GraphicsDeviceInformation.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情報実装
    00022  * @author Junpee
    00023  */
    00024
    00025 #include "LampBasic.h"
    00026 #include "Graphics/Enumeration/GraphicsDeviceInformation.h"
    00027 #include "Graphics/Enumeration/GraphicsDeviceEnumeration.h"
    00028 #include "Graphics/System/LampGraphics.h"
    00029 #include "Graphics/Primitive/GraphicsBufferFormat.h"
    00030
    00031 namespace Lamp{
    00032
    00033 //------------------------------------------------------------------------------
    00034 // コンストラクタ
    00035 GraphicsDeviceInformation::GraphicsDeviceInformation(){
    00036 }
    00037 //------------------------------------------------------------------------------
    00038 // デストラクタ
    00039 GraphicsDeviceInformation::~GraphicsDeviceInformation(){
    00040     // デバイスコンボの削除
    00041     for(int i = getDeviceComboCount() - 1; i >= 0; i--){
    00042         delete getDeviceCombo(i);
    00043     }
    00044 }
    00045 //------------------------------------------------------------------------------
    00046 // 列挙
    00047 bool GraphicsDeviceInformation::enumerate(
    00048     GraphicsDeviceEnumeration* enumeration,
    00049     GraphicsAdapterInformation* adapterInformation, D3DDEVTYPE deviceType){
    00050     // メンバの設定
    00051     adapterOrdinal_ = adapterInformation->getAdapterOrdinal();
    00052     deviceType_ = deviceType;
    00053     // デバイス能力の取得
    00054     Direct3D* direct3D = LampGraphics::getDirect3D();
    00055     if(DirectXFailed(direct3D->GetDeviceCaps(
    00056         adapterOrdinal_, deviceType_, &deviceCapability_))){
    00057         return false;
    00058     }
    00059     // NULLリファレンスドライバは無視する
    00060     if((deviceCapability_.PrimitiveMiscCaps & D3DPMISCCAPS_NULLREFERENCE) != 0){
    00061         return false;
    00062     }
    00063
    00064     // デバイスコンボの列挙
    00065     // 全バックバッファフォーマット
    00066     const D3DFORMAT backBufferFormats[] = {
    00067         D3DFMT_A8R8G8B8,
    00068         D3DFMT_X8R8G8B8,
    00069         D3DFMT_A2R10G10B10,
    00070         D3DFMT_R5G6B5,
    00071         D3DFMT_A1R5G5B5,
    00072         D3DFMT_X1R5G5B5};
    00073     const u_int backBufferFormatsCount =
    00074         sizeof(backBufferFormats) / sizeof(backBufferFormats[0]);
    00075     const bool isWindowedFlags[] = { false, true };
    00076     // アダプタフォーマットループ
    00077     int adapterFormatCount = adapterInformation->getAdapterFormatCount();
    00078     for(int i = 0; i < adapterFormatCount; i++){
    00079         D3DFORMAT adapterFormat = adapterInformation->getAdapterFormat(i);
    00080         // バックバッファフォーマットループ
    00081         for(int j = 0; j < backBufferFormatsCount; j++){
    00082             D3DFORMAT backBufferFormat = backBufferFormats[j];
    00083             GraphicsBufferFormat bufferFormat(backBufferFormat);
    00084             // バックバッファのアルファビットのチェック
    00085             if(bufferFormat.getAlphaChannelBits() <
    00086                 enumeration->getMinimumBackBufferAlphaChannelBits()){
    00087                 continue;
    00088             }
    00089             // フルスクリーン、ウィンドウループ
    00090             for(u_int k = 0; k < 2; k++){
    00091                 bool isWindowed = isWindowedFlags[k];
    00092                 // ウィンドウモードのチェック
    00093                 if((!isWindowed) && enumeration->getRequiresWindowMode()){
    00094                     continue;
    00095                 }
    00096                 if(isWindowed && enumeration->getRequiresFullscreenMode()){
    00097                     continue;
    00098                 }
    00099                 // デバイスタイプチェック
    00100                 if(DirectXFailed(direct3D->CheckDeviceType(
    00101                     adapterOrdinal_, deviceType_,
    00102                     adapterFormat, backBufferFormat, isWindowed))){
    00103                     continue;
    00104                 }
    00105                 // デバイスコンボの作成
    00106                 GraphicsDeviceComboInformation* deviceCombo =
    00107                     new GraphicsDeviceComboInformation(
    00108                     adapterFormat, backBufferFormat, isWindowed);
    00109                 if(!deviceCombo->enumerate(enumeration, this)){
    00110                     delete deviceCombo;
    00111                     continue;
    00112                 }
    00113                 deviceCombos_.add(deviceCombo);
    00114             }
    00115         }
    00116     }
    00117     return true;
    00118 }
    00119 //------------------------------------------------------------------------------
    00120 // 文字列への変換
    00121 String GraphicsDeviceInformation::toString(){
    00122     String result;
    00123     if(deviceType_ == D3DDEVTYPE_HAL){
    00124         result = "D3DDEVTYPE_HAL";
    00125     }else if(deviceType_ == D3DDEVTYPE_REF){
    00126         result = "D3DDEVTYPE_REF";
    00127     }else if(deviceType_ == D3DDEVTYPE_SW){
    00128         result = "D3DDEVTYPE_SW";
    00129     }
    00130     return result;
    00131 }
    00132 //------------------------------------------------------------------------------
    00133 } // End of namespace Lamp
    00134 //------------------------------------------------------------------------------