//=============================================================================
// Desc: 主程序源文件
//=============================================================================
#include "dxstdafx.h"
#include "resource.h"
//-----------------------------------------------------------------------------
// 全局變量
//-----------------------------------------------------------------------------
ID3DXFont* g_pFont = NULL; //ID3DXFont字體對象
ID3DXSprite* g_pTextSprite = NULL; //ID3DXSprite文本精靈對象
bool g_bShowHelp = true; //標識是否顯示簡單說明文本
CDXUTDialogResourceManager g_DialogResourceManager; //對話框資源管理器
CD3DSettingsDlg g_SettingsDlg; //Direct3D設備設置對話框
CDXUTDialog g_HUD; //對話框
CDXUTDialog g_SampleUI; //對話框
LPDIRECT3DVERTEXBUFFER9 g_pVB = NULL; //頂點緩沖區
LPDIRECT3DVERTEXSHADER9 g_pVertexShader = NULL; //頂點渲染器
LPD3DXCONSTANTTABLE g_pConstantTable_VS = NULL; //頂點渲染器常量表
//定義頂點結構和靈活頂點格式
struct CUSTOMVERTEX
{
D3DXVECTOR3 position; //頂點位置坐標
D3DXVECTOR3 normal; //頂點法線
};
#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZ|D3DFVF_NORMAL)
//-----------------------------------------------------------------------------
// 控件ID
//-----------------------------------------------------------------------------
#define IDC_TOGGLEFULLSCREEN 1
#define IDC_TOGGLEREF 2
#define IDC_CHANGEDEVICE 3
//-----------------------------------------------------------------------------
// Desc: 函數聲明
//------------------------------------------------------------------------------
bool CALLBACK IsDeviceAcceptable( D3DCAPS9* pCaps, D3DFORMAT AdapterFormat, D3DFORMAT BackBufferFormat, bool bWindowed, void* pUserContext );
bool CALLBACK ModifyDeviceSettings( DXUTDeviceSettings* pDeviceSettings, const D3DCAPS9* pCaps, void* pUserContext );
HRESULT CALLBACK OnCreateDevice( IDirect3DDevice9* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext );
HRESULT CALLBACK OnResetDevice( IDirect3DDevice9* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext );
void CALLBACK OnFrameMove( IDirect3DDevice9* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext );
void CALLBACK OnFrameRender( IDirect3DDevice9* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext );
LRESULT CALLBACK MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, bool* pbNoFurtherProcessing, void* pUserContext );
void CALLBACK KeyboardProc( UINT nChar, bool bKeyDown, bool bAltDown, void* pUserContext );
void CALLBACK OnGUIEvent( UINT nEvent, int nControlID, CDXUTControl* pControl, void* pUserContext );
void CALLBACK OnLostDevice( void* pUserContext );
void CALLBACK OnDestroyDevice( void* pUserContext );
void InitApp();
void RenderText();
//-----------------------------------------------------------------------------
// Desc: 入口函數
//-----------------------------------------------------------------------------
INT WINAPI WinMain( HINSTANCE, HINSTANCE, LPSTR, int )
{
//為Debug配置啟用運行時內存檢查功能
#if defined(DEBUG) | defined(_DEBUG)
_CrtSetDbgFlag( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
#endif
//設置回調函數
DXUTSetCallbackDeviceCreated( OnCreateDevice );
DXUTSetCallbackDeviceReset( OnResetDevice );
DXUTSetCallbackDeviceLost( OnLostDevice );
DXUTSetCallbackDeviceDestroyed( OnDestroyDevice );
DXUTSetCallbackMsgProc( MsgProc );
DXUTSetCallbackKeyboard( KeyboardProc );
DXUTSetCallbackFrameRender( OnFrameRender );
DXUTSetCallbackFrameMove( OnFrameMove );
//應用程序相關的初始化
InitApp();
//初始化DXUT, 創建窗口, 創建Direct3D設備對象
DXUTInit( true, true, true );
DXUTSetCursorSettings( true, true );
DXUTCreateWindow( L"HLSLSpecular" );
DXUTCreateDevice( D3DADAPTER_DEFAULT, true, 640, 480,
IsDeviceAcceptable, ModifyDeviceSettings );
//進入消息循環和場景渲染
DXUTMainLoop();
//在此進行應用程序相關的清除工作
return DXUTGetExitCode();
}
//-----------------------------------------------------------------------------
// Desc: 應用程序相關初始化
//-----------------------------------------------------------------------------
void InitApp()
{
//初始化對話框
g_SettingsDlg.Init( &g_DialogResourceManager );
g_HUD.Init( &g_DialogResourceManager );
g_SampleUI.Init( &g_DialogResourceManager );
//為g_HUD對話框設置消息處理函數,添加控件
g_HUD.SetCallback( OnGUIEvent ); int iY = 10;
g_HUD.AddButton( IDC_TOGGLEFULLSCREEN, L"Toggle full screen", 35, iY, 125, 22 );
g_HUD.AddButton( IDC_TOGGLEREF, L"Toggle REF (F3)", 35, iY += 24, 125, 22 );
g_HUD.AddButton( IDC_CHANGEDEVICE, L"Change device (F2)", 35, iY += 24, 125, 22, VK_F2 );
}
//-----------------------------------------------------------------------------
// Desc: 設備能力檢查
//-----------------------------------------------------------------------------
bool CALLBACK IsDeviceAcceptable( D3DCAPS9* pCaps, D3DFORMAT AdapterFormat,
D3DFORMAT BackBufferFormat, bool bWindowed,
void* pUserContext )
{
//檢查后臺緩沖區格式是否支持Alpha混合等操作(post pixel blending operations)
IDirect3D9* pD3D = DXUTGetD3DObject();
if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,
AdapterFormat, D3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING,
D3DRTYPE_TEXTURE, BackBufferFormat ) ) )
return false;
//檢查當前設備支持的頂點渲染器版本
if( pCaps->VertexShaderVersion < D3DVS_VERSION(2,0) )
return FALSE;
return true;
}
//-----------------------------------------------------------------------------
// Desc: 修改Direct3D渲染設備設置
//-----------------------------------------------------------------------------
bool CALLBACK ModifyDeviceSettings( DXUTDeviceSettings* pDeviceSettings,
const D3DCAPS9* pCaps, void* pUserContext )
{
//如果不支持硬件頂點處理則使用軟件頂點處理
if( (pCaps->DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) == 0)
{
pDeviceSettings->BehaviorFlags = D3DCREATE_SOFTWARE_VERTEXPROCESSING;
}
//如果使用參考設備,則彈出警告對話框
static bool s_bFirstTime = true;
if( s_bFirstTime )
{
s_bFirstTime = false;
if( pDeviceSettings->DeviceType == D3DDEVTYPE_REF )
DXUTDisplaySwitchingToREFWarning();
}
return true;
}
//-----------------------------------------------------------------------------
// Desc: 在此創建管理內存資源對象
//-----------------------------------------------------------------------------
HRESULT CALLBACK OnCreateDevice( IDirect3DDevice9* pd3dDevice,
const D3DSURFACE_DESC* pBackBufferSurfaceDesc,
void* pUserContext )
{
HRESULT hr;
V_RETURN( g_DialogResourceManager.OnCreateDevice( pd3dDevice ) );
V_RETURN( g_SettingsDlg.OnCreateDevice( pd3dDevice ) );
//創建字體
V_RETURN( D3DXCreateFont( pd3dDevice, 15, 0, FW_BOLD, 1, FALSE, DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE,
L"Arial", &g_pFont ) );
//創建頂點緩沖區
V_RETURN( pd3dDevice->CreateVertexBuffer( 50*2*sizeof(CUSTOMVERTEX), 0,
D3DFVF_CUSTOMVERTEX, D3DPOOL_MANAGED,
&g_pVB, NULL ) );
//填充頂點緩沖區
CUSTOMVERTEX* pVertices;
if( FAILED( g_pVB->Lock( 0, 0, (void**)&pVertices, 0 ) ) )
return E_FAIL;
for( DWORD i=0; i<50; i++ )
{
FLOAT theta = (2*D3DX_PI*i)/(50-1);
pVertices[2*i+0].position = D3DXVECTOR3( sinf(theta),-1.0f, cosf(theta) );
pVertices[2*i+0].normal = D3DXVECTOR3( sinf(theta), 0.0f, cosf(theta) );
pVertices[2*i+1].position = D3DXVECTOR3( sinf(theta), 1.0f, cosf(theta) );
pVertices[2*i+1].normal = D3DXVECTOR3( sinf(theta), 0.0f, cosf(theta) );
}
g_pVB->Unlock();
//創建頂點渲染器
LPD3DXBUFFER pCode_VS;
DWORD dwShaderFlags = D3DXSHADER_SKIPOPTIMIZATION|D3DXSHADER_DEBUG;
V_RETURN( D3DXCompileShaderFromFile( L"HLSLSpecular.vsh", NULL, NULL, "VS",
"vs_2_0", dwShaderFlags, &pCode_VS,
NULL, &g_pConstantTable_VS ) );
V_RETURN(pd3dDevice->CreateVertexShader( (DWORD*)pCode_VS->GetBufferPointer(), &g_pVertexShader));
pCode_VS->Release();
return S_OK;
}
//-----------------------------------------------------------------------------
// Desc: 在此創建默認內存類型資源對象
//-----------------------------------------------------------------------------
HRESULT CALLBACK OnResetDevice( IDirect3DDevice9* pd3dDevice,
const D3DSURFACE_DESC* pBackBufferSurfaceDesc,
void* pUserContext )
{
HRESULT hr;
V_RETURN( g_DialogResourceManager.OnResetDevice() );
V_RETURN( g_SettingsDlg.OnResetDevice() );
//設置對話框位置和尺寸
g_HUD.SetLocation( pBackBufferSurfaceDesc->Width-170, 0 );
g_HUD.SetSize( 170, 170 );
g_SampleUI.SetLocation( pBackBufferSurfaceDesc->Width-170,
pBackBufferSurfaceDesc->Height-350 );
g_SampleUI.SetSize( 170, 300 );
//恢復字體
if( g_pFont )
V_RETURN( g_pFont->OnResetDevice() );
//創建ID3DXSprite接口對象
V_RETURN( D3DXCreateSprite( pd3dDevice, &g_pTextSprite ) );
//構造觀察矩陣
D3DXMATRIXA16 matView;
D3DXVECTOR3 vEyePt( 0.0f, 3.0f,-5 );
D3DXVECTOR3 vLookatPt( 0.0f, 0.0f, 0.0f );
D3DXVECTOR3 vUpVec( 0.0f, 1.0f, 0.0f );
D3DXMatrixLookAtLH( &matView, &vEyePt, &vLookatPt, &vUpVec );
//構造投影矩陣
D3DXMATRIXA16 matProj;
float fAspectRatio = (float)pBackBufferSurfaceDesc->Width / pBackBufferSurfaceDesc->Height;
D3DXMatrixPerspectiveFovLH( &matProj, D3DX_PI/4, fAspectRatio, 1.0f, 100.0f );
//構造世界矩陣
D3DXMATRIXA16 matWorld;
D3DXMatrixIdentity( &matWorld );
//設置坐標變換矩陣
D3DXMATRIXA16 matWorldViewProj;
matWorldViewProj = matWorld * matView * matProj;
V_RETURN(g_pConstantTable_VS->SetMatrix( pd3dDevice, "matWorldViewProj", &matWorldViewProj ));
V_RETURN(g_pConstantTable_VS->SetMatrix(pd3dDevice, "matWorld", &matWorld ));
V_RETURN(g_pConstantTable_VS->SetVector( pd3dDevice, "vecEye",
&D3DXVECTOR4(vEyePt.x, vEyePt.y, vEyePt.z, 0) ));
//設置剔出模式,為不剔出任何面
pd3dDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_NONE );
//設置材質
D3DMATERIAL9 mtrl;
ZeroMemory( &mtrl, sizeof(D3DMATERIAL9) );
mtrl.Ambient.r = 1.0f;
mtrl.Ambient.g = 1.0f;
mtrl.Ambient.b = 0.0f;
mtrl.Ambient.a = 1.0f;
V_RETURN(g_pConstantTable_VS->SetVector( pd3dDevice, "materialAmbient",
&D3DXVECTOR4(mtrl.Ambient.r, mtrl.Ambient.g,
mtrl.Ambient.b, mtrl.Ambient.a)));
mtrl.Diffuse.r = 1.0f;
mtrl.Diffuse.g = 1.0f;
mtrl.Diffuse.b = 0.0f;
mtrl.Diffuse.a = 1.0f;
V_RETURN(g_pConstantTable_VS->SetVector( pd3dDevice, "materialDiffuse",
&D3DXVECTOR4(mtrl.Diffuse.r, mtrl.Diffuse.g,
mtrl.Diffuse.b, mtrl.Diffuse.a)));
mtrl.Specular.r = 1.0f;
mtrl.Specular.g = 1.0f;
mtrl.Specular.b = 1.0f;
mtrl.Specular.a = 1.0f;
V_RETURN(g_pConstantTable_VS->SetVector( pd3dDevice, "materialSpecular",
&D3DXVECTOR4(mtrl.Specular.r, mtrl.Specular.g,
mtrl.Specular.b, mtrl.Specular.a)));
return S_OK;
}
//-----------------------------------------------------------------------------
// Desc: 更新場景
//-----------------------------------------------------------------------------
void CALLBACK OnFrameMove( IDirect3DDevice9* pd3dDevice, double fTime,
float fElapsedTime, void* pUserContext )
{
//設置光的方向
D3DXVECTOR4 LightDirection;
LightDirection = D3DXVECTOR4( cosf(timeGetTime()/350.0f), 1.0f,
sinf(timeGetTime()/350.0f), 1.0f);
g_pConstantTable_VS->SetVector( pd3dDevice, "vecLightDir", &LightDirection);
}
//-----------------------------------------------------------------------------
// Desc: 渲染場景
//-----------------------------------------------------------------------------
void CALLBACK OnFrameRender( IDirect3DDevice9* pd3dDevice, double fTime,
float fElapsedTime, void* pUserContext )
{
HRESULT hr;
//如果正在利用Direct3D設備設置對話框進行設置, 則不渲染場景
if( g_SettingsDlg.IsActive() )
{
g_SettingsDlg.OnRender( fElapsedTime );
return;
}
//清除后臺顏色緩沖區和深度緩沖區
V( pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER,
D3DCOLOR_ARGB(0, 45, 50, 170), 1.0f, 0) );
//渲染場景
if( SUCCEEDED( pd3dDevice->BeginScene() ) )
{
//設置頂點渲染器
pd3dDevice->SetVertexShader( g_pVertexShader );
pd3dDevice->SetStreamSource( 0, g_pVB, 0, sizeof(CUSTOMVERTEX) );
pd3dDevice->SetFVF( D3DFVF_CUSTOMVERTEX );
pd3dDevice->DrawPrimitive( D3DPT_TRIANGLESTRIP, 0, 2*50-2 );
//渲染文本和控件
DXUT_BeginPerfEvent( DXUT_PERFEVENTCOLOR, L"HUD / Stats" );
RenderText();
V( g_HUD.OnRender( fElapsedTime ) );
V( g_SampleUI.OnRender( fElapsedTime ) );
DXUT_EndPerfEvent();
V( pd3dDevice->EndScene() );
}
}
//-----------------------------------------------------------------------------
// Desc: 渲染文本
//-----------------------------------------------------------------------------
void RenderText()
{
CDXUTTextHelper txtHelper( g_pFont, g_pTextSprite, 15 );
//顯示當前Direct3D設備狀態和渲染幀速率
txtHelper.Begin();
txtHelper.SetInsertionPos( 5, 5 );
txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 1.0f, 0.0f, 1.0f ) );
txtHelper.DrawTextLine( DXUTGetFrameStats(true) );
txtHelper.DrawTextLine( DXUTGetDeviceStats() );
//顯示其他簡要信息
txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 1.0f, 1.0f, 1.0f ) );
txtHelper.DrawTextLine( L"使用HLSL頂點渲染器實現鏡面反射光照模型" );
//顯示簡單幫助文本
const D3DSURFACE_DESC* pd3dsdBackBuffer = DXUTGetBackBufferSurfaceDesc();
if( g_bShowHelp )
{
txtHelper.SetInsertionPos( 10, pd3dsdBackBuffer->Height-15*6 );
txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 0.75f, 0.0f, 1.0f ) );
txtHelper.DrawTextLine( L"Controls (F1 to hide):" );
txtHelper.SetInsertionPos( 40, pd3dsdBackBuffer->Height-15*5 );
txtHelper.DrawTextLine( L"Quit: ESC" );
}
else
{
txtHelper.SetInsertionPos( 10, pd3dsdBackBuffer->Height-15*2 );
txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 1.0f, 1.0f, 1.0f ) );
txtHelper.DrawTextLine( L"Press F1 for help" );
}
txtHelper.End();
}
//-----------------------------------------------------------------------------
// Desc: 消息處理
//-----------------------------------------------------------------------------
LRESULT CALLBACK MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
bool* pbNoFurtherProcessing, void* pUserContext )
{
*pbNoFurtherProcessing = g_DialogResourceManager.MsgProc( hWnd, uMsg, wParam, lParam );
if( *pbNoFurtherProcessing )
return 0;
if( g_SettingsDlg.IsActive() )
{
g_SettingsDlg.MsgProc( hWnd, uMsg, wParam, lParam );
return 0;
}
*pbNoFurtherProcessing = g_HUD.MsgProc( hWnd, uMsg, wParam, lParam );
if( *pbNoFurtherProcessing )
return 0;
*pbNoFurtherProcessing = g_SampleUI.MsgProc( hWnd, uMsg, wParam, lParam );
if( *pbNoFurtherProcessing )
return 0;
return 0;
}
//-----------------------------------------------------------------------------
// Desc: 鍵盤消息處理
//-----------------------------------------------------------------------------
void CALLBACK KeyboardProc( UINT nChar, bool bKeyDown, bool bAltDown, void* pUserContext )
{
if( bKeyDown )
{
switch( nChar )
{
case VK_F1: g_bShowHelp = !g_bShowHelp; break;
}
}
}
//-----------------------------------------------------------------------------
// Desc: 處理各種控件消息
//-----------------------------------------------------------------------------
void CALLBACK OnGUIEvent( UINT nEvent, int nControlID, CDXUTControl* pControl,
void* pUserContext )
{
switch( nControlID )
{
case IDC_TOGGLEFULLSCREEN:
DXUTToggleFullScreen();
break;
case IDC_TOGGLEREF:
DXUTToggleREF();
break;
case IDC_CHANGEDEVICE:
g_SettingsDlg.SetActive( !g_SettingsDlg.IsActive() );
break;
}
}
//-----------------------------------------------------------------------------
// Desc: 釋放在OnResetDevice()中創建的資源
//-----------------------------------------------------------------------------
void CALLBACK OnLostDevice( void* pUserContext )
{
g_DialogResourceManager.OnLostDevice();
g_SettingsDlg.OnLostDevice();
if( g_pFont )
g_pFont->OnLostDevice();
SAFE_RELEASE( g_pTextSprite );
}
//------------------------------------------------------------------------------
// Desc: 釋放在OnCreateDevice()中創建的資源
//------------------------------------------------------------------------------
void CALLBACK OnDestroyDevice( void* pUserContext )
{
g_DialogResourceManager.OnDestroyDevice();
g_SettingsDlg.OnDestroyDevice();
SAFE_RELEASE( g_pFont );
SAFE_RELEASE( g_pVB );
SAFE_RELEASE( g_pVertexShader );
SAFE_RELEASE( g_pConstantTable_VS );
}
HLSLSpecular.vsh
//==============================================================
// Desc: 定點渲染器代碼
//==============================================================
//--------------------------------------------------------------
// 全局變量
//--------------------------------------------------------------
float4x4 matWorldViewProj; //復合變換矩陣
float4x4 matWorld; //世界矩陣
float4 vecLightDir; //燈光方向
float4 vecEye; //觀察點位置
float4 materialAmbient; //材質反射環境光系數
float4 materialDiffuse; //材質漫反射系數
float4 materialSpecular; //材質鏡面反射系數
//--------------------------------------------------------------
// 輸出結構
//--------------------------------------------------------------
struct VS_OUTPUT
{
float4 Pos: POSITION;
float4 Color: COLOR;
};
//--------------------------------------------------------------
// 頂點渲染器主函數
//--------------------------------------------------------------
VS_OUTPUT VS( float4 pos: POSITION, float3 normal: NORMAL )
{
//計算頂點位置
VS_OUTPUT Out = (VS_OUTPUT) 0;
Out.Pos = mul(pos, matWorldViewProj); // transform Position
//計算燈光方向和觀察方向
float3 lightDir = normalize( vecLightDir );
float3 posWorld = normalize( mul(pos, matWorld) );
float3 viewDir = normalize( vecEye - posWorld );
//計算法向量方向和漫反射強度
float3 normalWorld = normalize( mul(normal, matWorld) );
float4 diff = saturate( dot(normalWorld, lightDir) );
//計算反射光方向( R = 2 * (N.L) * N - L)和鏡面反射強度
float3 Reflect = normalize( 2 * diff * normalWorld - lightDir );
float4 specu = pow( saturate(dot(Reflect, viewDir)), 0.5 );
//計算頂點顏色
float4 diffuseColor = { 1.0f, 1.0f, 1.0f, 1.0f};
float4 ambientColor = { 0.5f, 0.5f, 0.5f, 1.0f};
float4 specularColor = { 0.0f, 0.0f, 1.0f, 1.0f};
Out.Color = ambientColor * materialAmbient +
diffuseColor * diff * materialDiffuse +
specularColor * specu * materialSpecular;
return Out;
}
posted on 2008-04-09 17:52
七星重劍 閱讀(432)
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