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ShadowMap.cpp @ 1637

Revision 1637, 57.7 KB checked in by szirmay, 18 years ago (diff)

Line
1	#include "dxstdafx.h"
2	#include "dxutmesh.h"
3	#include "resource.h"
4
5	#include "properties.h"
6
7	//--------------------------------------------------------------------------------------
8	// Entry point to the program. Initializes everything and goes into a message processing
9	// loop. Idle time is used to render the scene.
10	//--------------------------------------------------------------------------------------
11	INT WINAPI WinMain( HINSTANCE, HINSTANCE, LPSTR, int )
12	{
13	// Enable run-time memory check for debug builds.
14	#if defined(DEBUG) \| defined(_DEBUG)
15	_CrtSetDbgFlag( _CRTDBG_ALLOC_MEM_DF \| _CRTDBG_LEAK_CHECK_DF );
16	#endif
17
18	// Initialize the camera
19	g_CamCamera.SetScalers( 0.01f, 15.0f );
20	g_LightCamera.SetScalers( 0.01f, 8.0f );
21	g_CamCamera.SetRotateButtons( true, false, false );
22	g_LightCamera.SetRotateButtons( false, false, true );
23
24	// Set up the view parameters for the camera
25	D3DXVECTOR3 vFromPt = D3DXVECTOR3( 0.0f, 5.0f, -18.0f );
26	D3DXVECTOR3 vLookatPt = D3DXVECTOR3( 0.0f, -1.0f, 0.0f );
27	g_CamCamera.SetViewParams( &vFromPt, &vLookatPt );
28
29	vFromPt = D3DXVECTOR3( 0.0f, 0.0f, -12.0f );
30	vLookatPt = D3DXVECTOR3( 0.0f, -2.0f, 1.0f );
31	g_LightCamera.SetViewParams( &vFromPt, &vLookatPt );
32
33	// Set the callback functions. These functions allow DXUT to notify
34	// the application about device changes, user input, and windows messages. The
35	// callbacks are optional so you need only set callbacks for events you're interested
36	// in. However, if you don't handle the device reset/lost callbacks then the sample
37	// framework won't be able to reset your device since the application must first
38	// release all device resources before resetting. Likewise, if you don't handle the
39	// device created/destroyed callbacks then DXUT won't be able to
40	// recreate your device resources.
41	DXUTSetCallbackDeviceCreated( OnCreateDevice );
42	DXUTSetCallbackDeviceReset( OnResetDevice );
43	DXUTSetCallbackDeviceLost( OnLostDevice );
44	DXUTSetCallbackDeviceDestroyed( OnDestroyDevice );
45	DXUTSetCallbackMsgProc( MsgProc );
46	DXUTSetCallbackKeyboard( KeyboardProc );
47	DXUTSetCallbackMouse( MouseProc );
48	DXUTSetCallbackFrameRender( OnFrameRender );
49	DXUTSetCallbackFrameMove( OnFrameMove );
50
51	InitializeDialogs();
52
53	// Show the cursor and clip it when in full screen
54	DXUTSetCursorSettings( true, true );
55
56	// Initialize DXUT and create the desired Win32 window and Direct3D
57	// device for the application. Calling each of these functions is optional, but they
58	// allow you to set several options which control the behavior of the framework.
59	DXUTInit( true, true, true ); // Parse the command line, handle the default hotkeys, and show msgboxes
60	DXUTCreateWindow( L"ShadowMap Techniques" );
61	DXUTCreateDevice( D3DADAPTER_DEFAULT, true, WINDOW_WIDTH, WINDOW_HEIGHT, IsDeviceAcceptable, ModifyDeviceSettings );
62
63	// Pass control to DXUT for handling the message pump and
64	// dispatching render calls. DXUT will call your FrameMove
65	// and FrameRender callback when there is idle time between handling window messages.
66	DXUTMainLoop();
67
68	// Perform any application-level cleanup here. Direct3D device resources are released within the
69	// appropriate callback functions and therefore don't require any cleanup code here.
70
71	return DXUTGetExitCode();
72	}
73
74
75	//--------------------------------------------------------------------------------------
76	// Sets up the dialogs
77	//--------------------------------------------------------------------------------------
78	void InitializeDialogs()
79	{
80	g_SettingsDlg.Init( &g_DialogResourceManager );
81	g_HUD.Init( &g_DialogResourceManager );
82
83	g_HUD.SetCallback( OnGUIEvent );
84
85	// Initialize dialog
86	int posX = 0;
87	int posY = 0;
88
89	// Setup for buttons
90	g_HUD.AddButton( IDC_TOGGLEFULLSCREEN, L"Toggle full screen", 35, posY, 125, 22 );
91	g_HUD.AddButton( IDC_TOGGLEREF, L"Toggle REF (F3)", 35, posY += 24, 125, 22 );
92	g_HUD.AddButton( IDC_CHANGEDEVICE, L"Change device (F2)", 35, posY += 24, 125, 22, VK_F2 );
93
94
95	// Setup for sliders
96	g_HUD.AddSlider( HUNDRED + 0, posX, posY += 40, 120, 14, g_iSliderMinValues[0], g_iSliderMaxValues[0], g_iFov );
97	g_HUD.AddSlider( HUNDRED + 1, posX, posY += 16, 120, 14, g_iSliderMinValues[1], g_iSliderMaxValues[1], g_iLightFov );
98	g_HUD.AddSlider( HUNDRED + 2, posX, posY += 16, 120, 14, g_iSliderMinValues[2], g_iSliderMaxValues[2], (int)( g_fLightSize * 100 ) );
99	g_HUD.AddSlider( HUNDRED + 3, posX, posY += 16, 120, 14, g_iSliderMinValues[3], g_iSliderMaxValues[3], (int)( g_fIntensity * 100 ) );
100	g_HUD.AddSlider( HUNDRED + 4, posX, posY += 16, 120, 14, g_iSliderMinValues[4], g_iSliderMaxValues[4], (int)( g_fShadowBias * 100 ) );
101	g_HUD.AddSlider( HUNDRED + 5, posX, posY += 16, 120, 14, g_iSliderMinValues[5], g_iSliderMaxValues[5], (int)( g_fBiasSlope * 100 ) );
102	g_HUD.AddSlider( HUNDRED + 6, posX, posY += 16, 120, 14, g_iSliderMinValues[6], g_iSliderMaxValues[6], g_iKernelSize );
103	g_HUD.AddSlider( HUNDRED + 7, posX, posY += 16, 120, 14, g_iSliderMinValues[7], g_iSliderMaxValues[7], (int)( log( (float)g_iShadowMapSize ) / log( 2.0f ) ) );
104	g_HUD.AddSlider( HUNDRED + 8, posX, posY += 16, 120, 14, g_iSliderMinValues[8], g_iSliderMaxValues[8], (int)( log( (float)g_iFocusingMapSize ) / log( 2.0f ) ) );
105	g_HUD.AddSlider( HUNDRED + 9, posX, posY += 16, 120, 14, g_iSliderMinValues[9], g_iSliderMaxValues[9], (int)( g_fLightSourceSamples * 50 ) );
106
107	// Setup for checkbox
108	g_HUD.AddCheckBox( IDC_CHECKBOX, L"Display GUI (F1)", 35, posY += 24, 150, 22, g_bShowText, VK_F1 );
109	g_HUD.AddCheckBox( IDC_LIGHTPERSPECTIVE, L"The light's view (V)", 35, posY += 24, 160, 22, !g_bCameraPerspective, L'V' );
110	g_HUD.AddCheckBox( IDC_PAUSE_CHECKBOX, L"Pause (P)", 35, posY += 24, 160, 22, g_bPause, L'P' );
111	g_HUD.AddCheckBox( IDC_USE_TEXTURE_CHECKBOX, L"Use texture (T)", 35, posY += 24, 160, 22, g_bUseTexture, L'T' );
112	g_HUD.AddCheckBox( IDC_USE_FOCUSING_CHECKBOX, L"Use focusing (F)", 35, posY += 24, 160, 22, g_bUseFocusing, L'F' );
113
114
115	g_HUD.AddComboBox( IDC_METHOD_COMBO_BOX, 60, posY + 40, 130, 20, 0, false, &g_pTechniquesListComboBox );
116
117	g_pTechniquesListComboBox->SetDropHeight(105);
118
119	g_pTechniquesListComboBox->AddItem( L"0-Reference", NULL );
120	g_pTechniquesListComboBox->AddItem( L"6-PC soft", NULL );
121	g_pTechniquesListComboBox->AddItem( L"7-Shadow accu", NULL );
122
123	// number of items above: 0 .. 2 = 3
124	g_iNumberOfMethods = 3;
125	}
126
127
128	//--------------------------------------------------------------------------------------
129	// Called during device initialization, this code checks the device for some
130	// minimum set of capabilities, and rejects those that don't pass by returning false.
131	//--------------------------------------------------------------------------------------
132	bool CALLBACK IsDeviceAcceptable( D3DCAPS9* pCaps, D3DFORMAT AdapterFormat,
133	D3DFORMAT BackBufferFormat, bool bWindowed, void* pUserContext )
134	{
135	// Skip backbuffer formats that don't support alpha blending
136	IDirect3D9* pD3D = DXUTGetD3DObject();
137	if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,
138	AdapterFormat, D3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING,
139	D3DRTYPE_TEXTURE, BackBufferFormat ) ) )
140	return false;
141
142	// Must support pixel shader 2.0
143	if( pCaps->PixelShaderVersion < D3DPS_VERSION( 2, 0 ) )
144	return false;
145
146	// Check support of the used texture formats.
147
148	// need to support D3DFMT_A8R8G8B8 format
149	if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,
150	AdapterFormat, D3DUSAGE_DYNAMIC,
151	D3DRTYPE_TEXTURE, D3DFMT_A8R8G8B8 ) ) )
152	return false;
153
154	// need to support D3DFMT_A32B32G32R32F format
155	if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,
156	AdapterFormat, D3DUSAGE_RENDERTARGET,
157	D3DRTYPE_TEXTURE, D3DFMT_A32B32G32R32F ) ) )
158	return false;
159
160	// need to support D3DFMT_A32B32G32R32F format
161	if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,
162	AdapterFormat, D3DUSAGE_DYNAMIC,
163	D3DRTYPE_TEXTURE, D3DFMT_A32B32G32R32F ) ) )
164	return false;
165
166	// need to support D3DFMT_D24S8 format
167	if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,
168	AdapterFormat, D3DUSAGE_DEPTHSTENCIL,
169	D3DRTYPE_TEXTURE, D3DFMT_D24S8 ) ) )
170	return false;
171
172	return true;
173	}
174
175
176	//--------------------------------------------------------------------------------------
177	// This callback function is called immediately before a device is created to allow the
178	// application to modify the device settings. The supplied pDeviceSettings parameter
179	// contains the settings that the framework has selected for the new device, and the
180	// application can make any desired changes directly to this structure. Note however that
181	// DXUT will not correct invalid device settings so care must be taken
182	// to return valid device settings, otherwise IDirect3D9::CreateDevice() will fail.
183	//--------------------------------------------------------------------------------------
184	bool CALLBACK ModifyDeviceSettings( DXUTDeviceSettings* pDeviceSettings, const D3DCAPS9* pCaps, void* pUserContext )
185	{
186	// Turn off VSYNC
187	pDeviceSettings->pp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
188
189
190	// If device doesn't support HW T&L or doesn't support 1.1 vertex shaders in HW
191	// then switch to SWVP.
192	if( (pCaps->DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) == 0 \|\|
193	pCaps->VertexShaderVersion < D3DVS_VERSION(1,1) )
194	{
195	pDeviceSettings->BehaviorFlags = D3DCREATE_SOFTWARE_VERTEXPROCESSING;
196	}
197
198	// Debugging vertex shaders requires either REF or software vertex processing
199	// and debugging pixel shaders requires REF.
200	#ifdef DEBUG_VS
201	if( pDeviceSettings->DeviceType != D3DDEVTYPE_REF )
202	{
203	pDeviceSettings->BehaviorFlags &= ~D3DCREATE_HARDWARE_VERTEXPROCESSING;
204	pDeviceSettings->BehaviorFlags &= ~D3DCREATE_PUREDEVICE;
205	pDeviceSettings->BehaviorFlags \|= D3DCREATE_SOFTWARE_VERTEXPROCESSING;
206	}
207	#endif
208	#ifdef DEBUG_PS
209	pDeviceSettings->DeviceType = D3DDEVTYPE_REF;
210	#endif
211	// For the first device created if its a REF device, optionally display a warning dialog box
212	static bool s_bFirstTime = true;
213	if( s_bFirstTime )
214	{
215	s_bFirstTime = false;
216	if( pDeviceSettings->DeviceType == D3DDEVTYPE_REF )
217	DXUTDisplaySwitchingToREFWarning();
218	}
219
220	return true;
221	}
222
223
224	//--------------------------------------------------------------------------------------
225	// This callback function will be called immediately after the Direct3D device has been
226	// created, which will happen during application initialization and windowed/full screen
227	// toggles. This is the best location to create D3DPOOL_MANAGED resources since these
228	// resources need to be reloaded whenever the device is destroyed. Resources created
229	// here should be released in the OnDestroyDevice callback.
230	//--------------------------------------------------------------------------------------
231	HRESULT CALLBACK OnCreateDevice( IDirect3DDevice9* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext )
232	{
233	HRESULT hr;
234
235	g_pd3dDevice = pd3dDevice;
236
237	V_RETURN( g_DialogResourceManager.OnCreateDevice( pd3dDevice ) );
238	V_RETURN( g_SettingsDlg.OnCreateDevice( pd3dDevice ) );
239
240	// Initialize the font
241	V_RETURN( D3DXCreateFont( pd3dDevice, 15, 0, FW_BOLD, 1, FALSE, DEFAULT_CHARSET,
242	OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH \| FF_DONTCARE,
243	L"Arial", &g_pFont ) );
244	V_RETURN( D3DXCreateFont( pd3dDevice, 12, 0, FW_BOLD, 1, FALSE, DEFAULT_CHARSET,
245	OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH \| FF_DONTCARE,
246	L"Arial", &g_pFontSmall ) );
247
248	// Define DEBUG_VS and/or DEBUG_PS to debug vertex and/or pixel shaders with the
249	// shader debugger. Debugging vertex shaders requires either REF or software vertex
250	// processing, and debugging pixel shaders requires REF. The
251	// D3DXSHADER_FORCE_*_SOFTWARE_NOOPT flag improves the debug experience in the
252	// shader debugger. It enables source level debugging, prevents instruction
253	// reordering, prevents dead code elimination, and forces the compiler to compile
254	// against the next higher available software target, which ensures that the
255	// unoptimized shaders do not exceed the shader model limitations. Setting these
256	// flags will cause slower rendering since the shaders will be unoptimized and
257	// forced into software. See the DirectX documentation for more information about
258	// using the shader debugger.
259	DWORD dwShaderFlags = D3DXFX_NOT_CLONEABLE \| D3DXSHADER_PREFER_FLOW_CONTROL;
260	#ifdef DEBUG_VS
261	dwShaderFlags \|= D3DXSHADER_FORCE_VS_SOFTWARE_NOOPT;
262	#endif
263	#ifdef DEBUG_PS
264	dwShaderFlags \|= D3DXSHADER_FORCE_PS_SOFTWARE_NOOPT;
265	#endif
266
267
268	// If this fails, there should be debug output as to
269	// they the .fx file failed to compile
270
271	// Read the D3DX effect file
272	ID3DXBuffer* errBuff = NULL;
273	if( FAILED(D3DXCreateEffectFromFile( pd3dDevice, L"ShadowMap.fx", NULL, NULL, dwShaderFlags, NULL, &g_pEffect, &errBuff )))
274	{
275	int BufSize = errBuff->GetBufferSize();
276
277	// displaying error message of arbitrary length
278	wchar_t* wbuf = new wchar_t[BufSize];
279	size_t convertedChars = 0;
280	// mbstowcs_s(&convertedChars, wbuf, BufSize, (const char*)errBuff->GetBufferPointer(), _TRUNCATE);
281	// MessageBox(NULL, wbuf, L".fx Compilation Error", MB_ICONERROR); // show error message
282
283	delete wbuf;
284	exit(-1);
285	}
286
287	// Create vertex declaration
288	V_RETURN( pd3dDevice->CreateVertexDeclaration( g_aVertDecl, &g_pVertDecl ) );
289
290	WCHAR str[MAX_PATH];
291
292	// Initialize the meshes
293	for( int i = 0; i < NUM_OBJ; ++i )
294	{
295	V_RETURN( DXUTFindDXSDKMediaFileCch( str, MAX_PATH, g_aszMeshFile[i] ) );
296	if( FAILED( g_Obj[i].m_Mesh.Create( pd3dDevice, str ) ) )
297	return DXUTERR_MEDIANOTFOUND;
298	V_RETURN( g_Obj[i].m_Mesh.SetVertexDecl( pd3dDevice, g_aVertDecl ) );
299	g_Obj[i].m_mWorld = g_amInitObjWorld[i];
300	}
301
302	// Compute Room bounding box
303	void* data;
304	D3DXVECTOR3 vRoomBoundingBoxMin3f; // Bounding box of room min point
305	D3DXVECTOR3 vRoomBoundingBoxMax3f; // Bounding box of room max point
306	g_Obj[0].m_Mesh.m_pVB->Lock(0,0,&data,0);
307	D3DXVECTOR3 min,max;
308	D3DVERTEXBUFFER_DESC descriptor;
309	g_Obj[0].m_Mesh.m_pVB->GetDesc( &descriptor);
310	UINT stride = D3DXGetFVFVertexSize(descriptor.FVF);
311	D3DXComputeBoundingBox((D3DXVECTOR3*)data, descriptor.Size / stride, stride, &vRoomBoundingBoxMin3f, &vRoomBoundingBoxMax3f);
312
313	g_fRoomRadius = (float)sqrt( pow( (double)( vRoomBoundingBoxMax3f.x - vRoomBoundingBoxMin3f.x ), 2.0 ) +
314	pow( (double)( vRoomBoundingBoxMax3f.y - vRoomBoundingBoxMin3f.y ), 2.0 ) +
315	pow( (double)( vRoomBoundingBoxMax3f.z - vRoomBoundingBoxMin3f.z ), 2.0 ) ) / 2.0f;
316
317	// Initialize the light mesh
318	V_RETURN( DXUTFindDXSDKMediaFileCch( str, MAX_PATH, L"media\\objects\\spotlight.x" ) );
319	if( FAILED( g_LightMesh.Create( pd3dDevice, str ) ) )
320	return DXUTERR_MEDIANOTFOUND;
321	V_RETURN( g_LightMesh.SetVertexDecl( pd3dDevice, g_aVertDecl ) );
322
323	// World transform to identity
324	D3DXMATRIXA16 mIdent;
325	D3DXMatrixIdentity( &mIdent );
326	V_RETURN( pd3dDevice->SetTransform( D3DTS_WORLD, &mIdent ) );
327
328	// Calculates the real samples on the light source
329	g_fRealSamples = 0;
330	for( float x = 0.5f / g_fLightSourceSamples; x < g_fLightSourceSamples; x++ )
331	{
332	for( float y = 0.5f / g_fLightSourceSamples; y < g_fLightSourceSamples; y++ )
333	{
334	if( x * x + y * y < g_fLightSourceSamples * g_fLightSourceSamples )
335	{
336	g_fRealSamples++;
337	}
338	}
339	}
340	g_fRealSamples = 1.0f / g_fRealSamples;
341
342	return S_OK;
343	}
344
345
346	//--------------------------------------------------------------------------------------
347	// This callback function will be called immediately after the Direct3D device has been
348	// reset, which will happen after a lost device scenario. This is the best location to
349	// create D3DPOOL_DEFAULT resources since these resources need to be reloaded whenever
350	// the device is lost. Resources created here should be released in the OnLostDevice
351	// callback.
352	//--------------------------------------------------------------------------------------
353	HRESULT CALLBACK OnResetDevice( IDirect3DDevice9* pd3dDevice,
354	const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext )
355	{
356	HRESULT hr;
357
358	V_RETURN( g_DialogResourceManager.OnResetDevice() );
359	V_RETURN( g_SettingsDlg.OnResetDevice() );
360
361	if( g_pFont )
362	V_RETURN( g_pFont->OnResetDevice() );
363	if( g_pFontSmall )
364	V_RETURN( g_pFontSmall->OnResetDevice() );
365	if( g_pEffect )
366	V_RETURN( g_pEffect->OnResetDevice() );
367
368	// Create a sprite to help batch calls when drawing many lines of text
369	V_RETURN( D3DXCreateSprite( pd3dDevice, &g_pTextSprite ) );
370
371	// Setup the camera's projection parameters
372	float fAspectRatio = pBackBufferSurfaceDesc->Width / (FLOAT)pBackBufferSurfaceDesc->Height;
373	g_CamCamera.SetProjParams( D3DX_PI/4, fAspectRatio, g_fLightFrontPlane, g_fLightBackPlane );
374	g_LightCamera.SetProjParams( D3DX_PI/4, fAspectRatio, g_fLightFrontPlane, g_fLightBackPlane );
375
376	// Create the default texture (used when a triangle does not use a texture)
377	V_RETURN( pd3dDevice->CreateTexture( 1, 1, 1, D3DUSAGE_DYNAMIC, D3DFMT_A8R8G8B8, D3DPOOL_DEFAULT, &g_pDefaultTexture, NULL ) );
378	D3DLOCKED_RECT lr;
379	V_RETURN( g_pDefaultTexture->LockRect( 0, &lr, NULL, 0 ) );
380	*(LPDWORD)lr.pBits = D3DCOLOR_RGBA( 255, 255, 255, 255 );
381	V_RETURN( g_pDefaultTexture->UnlockRect( 0 ) );
382
383	// Restore the scene objects
384	for( int i = 0; i < NUM_OBJ; ++i )
385	V_RETURN( g_Obj[i].m_Mesh.RestoreDeviceObjects( pd3dDevice ) );
386	V_RETURN( g_LightMesh.RestoreDeviceObjects( pd3dDevice ) );
387
388	// Create textures
389	CreateTexture();
390
391	// Positon the HUD
392	g_HUD.SetLocation( pBackBufferSurfaceDesc->Width-170, 0 );
393	g_HUD.SetSize( 170, pBackBufferSurfaceDesc->Height );
394
395
396	// Create vertex declaration for the fullscreen quad
397	V( pd3dDevice->CreateVertexDeclaration( g_aFullScreneQuadVertex, &g_pFullScreenQuadVertexDeclaration ) );
398	V_RETURN( pd3dDevice->CreateVertexBuffer( 6 * sizeof( FullScreenQuadVertexStruct ),
399	D3DUSAGE_WRITEONLY, D3DFVF_FULLSCREENQUADVERTEX, D3DPOOL_DEFAULT, &g_pFullScreenQuadVertexBuffer, NULL ) );
400
401	void* pVertices;
402	V( g_pFullScreenQuadVertexBuffer->Lock( 0, sizeof( fullscreen ), (void**)&pVertices, 0 ) );
403	memcpy( pVertices, fullscreen, sizeof( fullscreen ) );
404	g_pFullScreenQuadVertexBuffer->Unlock();
405
406	return S_OK;
407	}
408
409	//--------------------------------------------------------------------------------------
410	// Creates textures
411	// They can be resized on the fly
412	//--------------------------------------------------------------------------------------
413	void CreateTexture()
414	{
415	HRESULT hr;
416
417	SAFE_RELEASE( g_pShadowMapColorTexture );
418	SAFE_RELEASE( g_pShadowMapColorSurface );
419	SAFE_RELEASE( g_pShadowWeightTexture );
420	SAFE_RELEASE( g_pShadowWeightSurface );
421	SAFE_RELEASE( g_pShadowMapZTexture );
422	SAFE_RELEASE( g_pShadowMapZSurface );
423	SAFE_RELEASE( g_pShadowWeightZTexture );
424	SAFE_RELEASE( g_pShadowWeightZSurface );
425	SAFE_RELEASE( g_pFocusingMapColorTexture );
426	SAFE_RELEASE( g_pFocusingMapColorSurface );
427	SAFE_RELEASE( g_pMemoryMappedTexture );
428	SAFE_RELEASE( g_pMemoryMappedTextureSurface );
429
430
431	// Create the shadow map texture
432	V( g_pd3dDevice->CreateTexture( g_iShadowMapSize, g_iShadowMapSize,
433	1, D3DUSAGE_RENDERTARGET,
434	D3DFMT_A32B32G32R32F,
435	D3DPOOL_DEFAULT,
436	&g_pShadowMapColorTexture,
437	NULL ) );
438
439	V( g_pShadowMapColorTexture->GetSurfaceLevel( 0, &g_pShadowMapColorSurface ) );
440
441
442	V( g_pd3dDevice->CreateTexture( g_iShadowMapSize, g_iShadowMapSize,
443	1, D3DUSAGE_RENDERTARGET,
444	D3DFMT_A16B16G16R16F,
445	//D3DFMT_A32B32G32R32F,
446	D3DPOOL_DEFAULT,
447	&g_pShadowWeightTexture,
448	NULL ) );
449
450	V( g_pShadowWeightTexture->GetSurfaceLevel( 0, &g_pShadowWeightSurface ) );
451
452	// Create the depth stencil texture
453	V( g_pd3dDevice->CreateTexture( g_iShadowMapSize, g_iShadowMapSize,
454	1, D3DUSAGE_DEPTHSTENCIL,
455	D3DFMT_D24S8,
456	D3DPOOL_DEFAULT,
457	&g_pShadowMapZTexture,
458	NULL ) );
459
460	V( g_pShadowMapZTexture->GetSurfaceLevel( 0, &g_pShadowMapZSurface ) );
461
462	V( g_pd3dDevice->CreateTexture( g_iShadowMapSize, g_iShadowMapSize,
463	1, D3DUSAGE_DEPTHSTENCIL,
464	D3DFMT_D24S8,
465	D3DPOOL_DEFAULT,
466	&g_pShadowWeightZTexture,
467	NULL ) );
468
469	V( g_pShadowWeightZTexture->GetSurfaceLevel( 0, &g_pShadowWeightZSurface ) );
470
471	// Create the focusing map texture
472	V( g_pd3dDevice->CreateTexture( g_iFocusingMapSize, g_iFocusingMapSize,
473	1, D3DUSAGE_RENDERTARGET,
474	D3DFMT_A32B32G32R32F,
475	D3DPOOL_DEFAULT,
476	&g_pFocusingMapColorTexture,
477	NULL ) );
478
479	V( g_pFocusingMapColorTexture->GetSurfaceLevel( 0, &g_pFocusingMapColorSurface ) );
480
481	// Memory mapped texture
482	V( g_pd3dDevice->CreateTexture( g_iFocusingMapSize, g_iFocusingMapSize,
483	1, D3DUSAGE_DYNAMIC,
484	D3DFMT_A32B32G32R32F,
485	D3DPOOL_SYSTEMMEM,
486	&g_pMemoryMappedTexture,
487	NULL ) );
488
489	V( g_pMemoryMappedTexture->GetSurfaceLevel( 0, &g_pMemoryMappedTextureSurface ) );
490	}
491
492	//--------------------------------------------------------------------------------------
493	// This callback function will be called once at the beginning of every frame. This is the
494	// best location for your application to handle updates to the scene, but is not
495	// intended to contain actual rendering calls, which should instead be placed in the
496	// OnFrameRender callback.
497	//--------------------------------------------------------------------------------------
498	void CALLBACK OnFrameMove( IDirect3DDevice9* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext )
499	{
500	// Update the camera's position based on user input
501	g_CamCamera.FrameMove( fElapsedTime );
502	g_LightCamera.FrameMove( fElapsedTime );
503
504	if( !g_bPause )
505	{
506	// Animate the plane, car and sphere meshes
507	D3DXMATRIXA16 m;
508
509	D3DXMatrixRotationY( &m, D3DX_PI * fElapsedTime / 4.0f );
510	D3DXMatrixMultiply( &g_Obj[1].m_mWorld, &g_Obj[1].m_mWorld, &m );
511	D3DXMatrixRotationY( &m, -D3DX_PI * fElapsedTime / 4.0f );
512	D3DXMatrixMultiply( &g_Obj[2].m_mWorld, &g_Obj[2].m_mWorld, &m );
513	}
514	}
515
516
517	//--------------------------------------------------------------------------------------
518	// Renders the scene onto the current render target using the current
519	// technique in the effect.
520	//--------------------------------------------------------------------------------------
521	void RenderScene( IDirect3DDevice9* pd3dDevice, float fElapsedTime, const D3DXMATRIX pmView, const D3DXMATRIX pmProj )
522	{
523	HRESULT hr;
524
525	// Initialize required parameter
526	V( g_pEffect->SetTexture( "g_txShadowMapColor", g_pShadowMapColorTexture ) );
527	V( g_pEffect->SetTexture( "g_txShadowWeight", g_pShadowWeightTexture ) );
528	V( g_pEffect->SetTexture( "g_txShadowMapZ", g_pShadowMapZTexture ) );
529
530	V( g_pEffect->SetFloat( "g_fFov", ( (float)g_iFov ) / 57.2958f ) );
531	V( g_pEffect->SetFloat( "g_fLightSize", g_fLightSize ) );
532	V( g_pEffect->SetFloat( "g_fIntensity", g_fIntensity ) );
533	V( g_pEffect->SetFloat( "g_fShadowBias", g_fShadowBias ) );
534	V( g_pEffect->SetFloat( "near", g_fLightFrontPlane ) );
535	V( g_pEffect->SetFloat( "far", g_fLightBackPlane ) );
536	V( g_pEffect->SetFloat( "SHADOWMAP_SIZE", (float)g_iShadowMapSize));
537	V( g_pEffect->SetFloat( "HALF_TEXEL", 0.5f / (float)g_iShadowMapSize));
538	V( g_pEffect->SetFloat( "g_fBiasSlope", g_fBiasSlope) );
539	V( g_pEffect->SetFloat( "g_fRealSamples", g_fRealSamples ) );
540	V( g_pEffect->SetInt( "g_iKernelSize", g_iKernelSize ) );
541
542
543	V( g_pEffect->SetBool( "g_bRenderBaseTexture", g_bRenderBaseTexture ) );
544
545	//set special texture matrix for shadow mapping
546	float fOffsetX = 0.5f + (0.5f / (float)g_iShadowMapSize);
547	float fOffsetY = 0.5f + (0.5f / (float)g_iShadowMapSize);
548	unsigned int range = 1; //note different scale in DX9!
549	//float fBias = -0.001f * (float)range;
550	float fBias = 0.0f;
551	D3DXMATRIXA16 texScaleBiasMat( 0.5f, 0.0f, 0.0f, 0.0f,
552	0.0f, -0.5f, 0.0f, 0.0f,
553	0.0f, 0.0f, (float)range, 0.0f,
554	fOffsetX, fOffsetY, -g_fShadowBias/1000.0f, 1.0f );
555
556	V( g_pEffect->SetMatrix( "TexScaleBias", &texScaleBiasMat ) );
557
558
559	// Choose the right shader method
560	switch( g_iShadowMethod )
561	{
562	case 0:
563	{
564	if( g_bRenderShadowMap )
565	{
566	V( g_pEffect->SetTechnique( "RenderShadowMap_0" ) );
567	}
568	else
569	{
570	V( g_pEffect->SetTechnique( "RenderSceneWithTechnique_0" ) );
571	}
572	break;
573	}
574	case 1:
575	{
576	if( g_bRenderShadowMap )
577	{
578	V( g_pEffect->SetTechnique( "RenderShadowMap_6" ) );
579	}
580	else
581	{
582	V( g_pEffect->SetTechnique( "RenderSceneWithTechnique_6" ) );
583	}
584	break;
585	}
586	case 2:
587	{
588	if( g_bRenderShadowMap )
589	{
590	V( g_pEffect->SetTechnique( "RenderShadowMap_7" ) );
591	}
592	else
593	{
594	V( g_pEffect->SetTechnique( "RenderSceneWithTechnique_7" ) );
595	}
596	break;
597	}
598	}
599
600	if( g_bRenderFocusingMap )
601	{
602	V( g_pEffect->SetTechnique( "RenderFocusingMap" ) );
603	}
604
605
606	// Begin the scene
607	if( SUCCEEDED( pd3dDevice->BeginScene() ) )
608	{
609	if( !g_bRenderGUI )
610	{
611	// Render the objects
612	for( int obj = 0; obj < NUM_OBJ; ++obj )
613	{
614	D3DXMATRIXA16 mWorld, mWorldView, mWorldViewProj;
615	mWorld = g_Obj[obj].m_mWorld;
616	D3DXMatrixMultiply( &mWorldView, &mWorld, pmView );
617	D3DXMatrixMultiply( &mWorldViewProj, &mWorldView, pmProj );
618	V( g_pEffect->SetMatrix( "WorldViewProj", &mWorldViewProj ) );
619
620	// Compute the view matrix for the light
621	D3DXMATRIXA16 mLightView, WorldLight, WorldLightProj;
622
623	if( g_bRenderBaseTexture )
624	{
625	mLightView = *g_LightCamera.GetViewMatrix();
626	}
627	else
628	{
629	mLightView = g_mLightView;
630	}
631
632	D3DXMatrixMultiply( &WorldLight, &mWorld, &mLightView );
633	V( g_pEffect->SetMatrix( "WorldLight", &WorldLight ) );
634
635	D3DXMatrixMultiply( &WorldLightProj, &WorldLight, &g_mLightProj );
636	V( g_pEffect->SetMatrix( "WorldLightProj", &WorldLightProj ) );
637
638	LPD3DXMESH pMesh = g_Obj[obj].m_Mesh.GetMesh();
639	UINT cPass;
640	V( g_pEffect->Begin( &cPass, 0 ) );
641	for( UINT p = 0; p < cPass; ++p )
642	{
643	V( g_pEffect->BeginPass( p ) );
644
645	for( DWORD i = 0; i < g_Obj[obj].m_Mesh.m_dwNumMaterials; ++i )
646	{
647	D3DXVECTOR4 vDif( g_Obj[obj].m_Mesh.m_pMaterials[i].Diffuse.r,
648	g_Obj[obj].m_Mesh.m_pMaterials[i].Diffuse.g,
649	g_Obj[obj].m_Mesh.m_pMaterials[i].Diffuse.b,
650	g_Obj[obj].m_Mesh.m_pMaterials[i].Diffuse.a );
651	if( g_bUseTexture )
652	{
653	V( g_pEffect->SetVector( "g_vMaterial", &vDif ) );
654	if( g_Obj[obj].m_Mesh.m_pTextures[i] )
655	{
656	V( g_pEffect->SetTexture( "g_txDefaultTexture", g_Obj[obj].m_Mesh.m_pTextures[i] ) )
657	}
658	else
659	{
660	V( g_pEffect->SetTexture( "g_txDefaultTexture", g_pDefaultTexture ) )
661	}
662	}
663	else
664	{
665	V( g_pEffect->SetVector( "g_vMaterial", &D3DXVECTOR4(1,1,1,1) ) );
666	V( g_pEffect->SetTexture( "g_txDefaultTexture", g_pDefaultTexture ) );
667	}
668	V( g_pEffect->CommitChanges() );
669	V( pMesh->DrawSubset( i ) );
670	}
671	V( g_pEffect->EndPass() );
672	}
673	V( g_pEffect->End() );
674	}
675
676	// Render light source
677	if( !g_bRenderGUI && g_bRenderBaseTexture && !g_bRenderShadowMap && !g_bRenderFocusingMap && g_bCameraPerspective )
678	{
679	V( g_pEffect->SetTechnique( "RenderLight" ) );
680
681	D3DXMATRIXA16 mWorldView = *g_LightCamera.GetWorldMatrix();
682	D3DXMatrixMultiply( &mWorldView, &mWorldView, pmView );
683	D3DXMatrixMultiply( &mWorldView, &mWorldView, pmProj );
684	V( g_pEffect->SetMatrix( "WorldViewProj", &mWorldView ) );
685
686	UINT cPass;
687	LPD3DXMESH pMesh = g_LightMesh.GetMesh();
688	V( g_pEffect->Begin( &cPass, 0 ) );
689	for( UINT p = 0; p < cPass; ++p )
690	{
691	V( g_pEffect->BeginPass( p ) );
692
693	for( DWORD i = 0; i < g_LightMesh.m_dwNumMaterials; ++i )
694	{
695	V( g_pEffect->SetTexture( "g_txDefaultTexture", g_LightMesh.m_pTextures[i] ) );
696	V( g_pEffect->CommitChanges() );
697	V( pMesh->DrawSubset( i ) );
698	}
699	V( g_pEffect->EndPass() );
700	}
701	V( g_pEffect->End() );
702	}
703	}
704
705	if( g_bRenderGUI && !g_bRenderShadowMap && !g_bRenderFocusingMap ){
706	// Render stats and help text
707	RenderText();
708
709	// Render the UI elements
710	g_HUD.OnRender( fElapsedTime );
711	}
712	V( pd3dDevice->EndScene() );
713	}
714	}
715
716	//--------------------------------------------------------------------------------------
717	// Computes the focusing matrix
718	//--------------------------------------------------------------------------------------
719	void ComputeFocusingMatrix( IDirect3DDevice9* g_pd3dDevice )
720	{
721	float fMinU = 1.0f, fMinV = 1.0f; // min must start from 1 to decrease
722	float fMaxU = -1.0f, fMaxV = -1.0f; // max must start from -1 to increase
723
724	g_pd3dDevice->GetRenderTargetData( g_pFocusingMapColorSurface, g_pMemoryMappedTextureSurface );
725
726	// Calculate U and V, max and min values.
727	D3DLOCKED_RECT pmLRect;
728	g_pMemoryMappedTexture->LockRect(0, &pmLRect, NULL, D3DLOCK_DISCARD);
729	for ( long int i = 0; i < g_iFocusingMapSize * g_iFocusingMapSize ; i++)
730	{
731	fMinU = min( fMinU, ( (float)pmLRect.pBits)[4 i] );
732	fMaxU = max( fMaxU, ( (float)pmLRect.pBits)[4 i] );
733
734	fMinV = min( fMinV, ( (float)pmLRect.pBits)[4 i + 1] );
735	fMaxV = max( fMaxV, ( (float)pmLRect.pBits)[4 i + 1] );
736	}
737	g_pMemoryMappedTexture->UnlockRect(0);
738
739	g_mFocusingMatrix = D3DXMATRIXA16( 2.0f/( fMaxU - fMinU ), 0.0f, 0.0f, 0.0f,
740	0.0f, 2.0f/( fMaxV - fMinV ), 0.0f, 0.0f,
741	0.0f, 0.0f, 1.0f, 0.0f,
742	-(fMaxU+fMinU)/( fMaxU - fMinU ), -(fMinV+fMaxV)/( fMaxV - fMinV ), 0.0f, 1.0f);
743	}
744
745
746	//--------------------------------------------------------------------------------------
747	// This callback function will be called at the end of every frame to perform all the
748	// rendering calls for the scene, and it will also be called if the window needs to be
749	// repainted. After this function has returned, DXUT will call
750	// IDirect3DDevice9::Present to display the contents of the next buffer in the swap chain
751	//--------------------------------------------------------------------------------------
752	void CALLBACK OnFrameRender( IDirect3DDevice9* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext )
753	{
754	// If the settings dialog is being shown, then
755	// render it instead of rendering the app's scene
756	if( g_SettingsDlg.IsActive() && g_bShowText && !g_bSaveFrame )
757	{
758	g_SettingsDlg.OnRender( fElapsedTime );
759	return;
760	}
761
762	HRESULT hr;
763
764	// Compute the view matrix for the light
765	D3DXMATRIXA16 mLightView = *g_LightCamera.GetViewMatrix();
766	D3DXVECTOR3 vLightEyePt = *g_LightCamera.GetEyePt();
767	float fLightDist = sqrt( vLightEyePt.x * vLightEyePt.x + vLightEyePt.y * vLightEyePt.y + vLightEyePt.z * vLightEyePt.z );
768
769	// The light is inside of the room
770	g_fLightFrontPlane = 0.1f;
771	g_fLightBackPlane = 7.0f * g_fRoomRadius;
772	// 3.5 is the scale factor defined in room world matrix
773	if( 3.5f * g_fRoomRadius <= fLightDist ){
774	// The light is outside of the room
775	g_fLightFrontPlane = fLightDist - 3.5f * g_fRoomRadius;
776	g_fLightBackPlane = fLightDist + 3.5f * g_fRoomRadius;
777	}
778
779	D3DXMatrixPerspectiveFovLH( &g_mLightProj, D3DXToRadian(g_iLightFov), 1, g_fLightFrontPlane, g_fLightBackPlane );
780	const D3DXMATRIX *pmView = g_bCameraPerspective ? g_CamCamera.GetViewMatrix() : &mLightView;
781	const D3DXMATRIX *pmProj = g_bCameraPerspective ? g_CamCamera.GetProjMatrix() : &g_mLightProj;
782
783	// save original
784	LPDIRECT3DSURFACE9 pOldRT = NULL;
785	V( pd3dDevice->GetRenderTarget( 0, &pOldRT ) );
786	LPDIRECT3DSURFACE9 pOldDS = NULL;
787	V( SUCCEEDED( pd3dDevice->GetDepthStencilSurface( &pOldDS ) ) );
788
789
790	V( g_pd3dDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_CCW ) );
791
792	// Render: FOCUSING MAP --------------------------------------------------------------------------------
793	if( g_bUseFocusing ){
794	pd3dDevice->SetRenderTarget( 0, g_pFocusingMapColorSurface );
795	pd3dDevice->SetDepthStencilSurface( g_pShadowMapZSurface );
796
797	g_bRenderFocusingMap = true;
798	RenderScene( pd3dDevice, fElapsedTime, g_CamCamera.GetViewMatrix(), g_CamCamera.GetProjMatrix() );
799	ComputeFocusingMatrix( pd3dDevice );
800	g_bRenderFocusingMap = false;
801
802	if( g_iShadowMethod != 2 ){ // The 2. method does not use Focusing
803	D3DXMatrixMultiply( &g_mLightProj, &g_mLightProj, &g_mFocusingMatrix );
804	}
805	}
806	// Render: FOCUSING MAP --------------------------------------------------------------------------------
807
808	g_mLightView = *g_LightCamera.GetViewMatrix();
809	if( g_iShadowMethod == 0 )
810	{
811	// Render: to blend - Base texture --------------------------------------------------------------------------------
812	pd3dDevice->SetRenderTarget( 0, g_pShadowWeightSurface );
813	pd3dDevice->SetDepthStencilSurface( g_pShadowWeightZSurface );
814	pd3dDevice->Clear( 0L, NULL, D3DCLEAR_TARGET\|D3DCLEAR_ZBUFFER, 0x00000000, 1.0f, 0L );
815
816	g_bRenderBaseTexture = true;
817	RenderScene( pd3dDevice, fElapsedTime, pmView, pmProj );
818	g_bRenderBaseTexture = false;
819	// Render: to blend - Base texture --------------------------------------------------------------------------------
820
821
822	// Render: to blend - additional shadow --------------------------------------------------------------------------------
823	g_pd3dDevice->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE );
824	g_pd3dDevice->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_ONE );
825	g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, true);
826	g_pd3dDevice->SetRenderState(D3DRS_ALPHATESTENABLE, false);
827
828
829	float partial = g_fLightSize / 2.0f;
830	float step = g_fLightSize / ( g_fLightSourceSamples * 2.0f );
831
832	for( float x = -partial + step; x < partial; x+=step )
833	{
834	for( float y = -partial + step; y < partial; y+=step )
835	{
836	if( x * x + y * y < g_fLightSourceSamples * g_fLightSourceSamples )
837	{
838	g_mLightView = *g_LightCamera.GetViewMatrix();
839	g_mLightView._41 += x;
840	g_mLightView._42 += y;
841
842	// Render: SHADOW MAP --------------------------------------------------------------------------------
843	pd3dDevice->SetRenderTarget( 0, g_pShadowMapColorSurface );
844	pd3dDevice->SetDepthStencilSurface( g_pShadowMapZSurface );
845	// Clear the render buffers
846	pd3dDevice->Clear( 0L, NULL, D3DCLEAR_TARGET\|D3DCLEAR_ZBUFFER, 0x00000000, 1.0f, 0L );
847
848	g_bRenderShadowMap = true;
849	float fTemp = 0.0f;// set depth bias
850	pd3dDevice->SetRenderState(D3DRS_SLOPESCALEDEPTHBIAS, (DWORD)&g_fBiasSlope);
851	RenderScene( pd3dDevice, fElapsedTime, &mLightView, &g_mLightProj );
852	pd3dDevice->SetRenderState(D3DRS_SLOPESCALEDEPTHBIAS, (DWORD)&fTemp);
853	g_bRenderShadowMap = false;
854	// Render: SHADOW MAP --------------------------------------------------------------------------------
855
856	pd3dDevice->SetRenderTarget( 0, g_pShadowWeightSurface );
857	pd3dDevice->SetDepthStencilSurface( g_pShadowWeightZSurface );
858	RenderScene( pd3dDevice, fElapsedTime, pmView, pmProj );
859	}
860	}
861	}
862
863	g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, false);
864	// Render: to blend - additional shadow --------------------------------------------------------------------------------
865
866	// Render: GUI --------------------------------------------------------------------------------
867	g_bRenderGUI = true;
868	RenderScene( pd3dDevice, fElapsedTime, &mLightView, &g_mLightProj );
869	g_bRenderGUI = false;
870	// Render: GUI --------------------------------------------------------------------------------
871
872	// save frame
873	if( g_bSaveFrame ){
874
875	TCHAR sz[50];
876	sz[49] = 0;
877	StringCchPrintf( sz, 50, L"images/ShadowWeightOrig_blend.png", g_iPictureNumber++ );
878	D3DXSaveSurfaceToFile( sz, D3DXIFF_PNG, g_pShadowWeightSurface, NULL,NULL);
879	}
880	// Render: to blend --------------------------------------------------------------------------------
881
882	// Render: to screen - render a full screene quad --------------------------------------------------------------------------------
883	if( pOldDS )
884	{
885	pd3dDevice->SetDepthStencilSurface( pOldDS );
886	pOldDS->Release();
887	}
888	pd3dDevice->SetRenderTarget( 0, pOldRT );
889	pd3dDevice->Clear( 0L, NULL, D3DCLEAR_TARGET\|D3DCLEAR_ZBUFFER, 0x00000000, 1.0f, 0L );
890
891	UINT cPass;
892	if( SUCCEEDED( pd3dDevice->BeginScene() ) )
893	{
894	V( g_pd3dDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_NONE ) );
895
896	V( g_pEffect->SetTechnique( "RenderMapScreen" ) );
897	V( g_pEffect->Begin( &cPass, 0 ) );
898	V( g_pEffect->BeginPass( 0 ) );
899
900	V( g_pEffect->CommitChanges() );
901
902	V( g_pd3dDevice->SetVertexDeclaration( g_pFullScreenQuadVertexDeclaration ) );
903	V( g_pd3dDevice->SetStreamSource( 0, g_pFullScreenQuadVertexBuffer, 0, sizeof(FullScreenQuadVertexStruct) ) );
904	V( g_pd3dDevice->DrawPrimitive( D3DPT_TRIANGLELIST, 0, 2 ) );
905
906	V( g_pEffect->EndPass() );
907	V( g_pEffect->End() );
908
909	V( pd3dDevice->EndScene() );
910	}
911	// Render: to screen --------------------------------------------------------------------------------
912	}
913	else
914	{
915	// Render: SHADOW MAP --------------------------------------------------------------------------------
916	pd3dDevice->SetRenderTarget( 0, g_pShadowMapColorSurface );
917	pd3dDevice->SetDepthStencilSurface( g_pShadowMapZSurface );
918	// Clear the render buffers
919	pd3dDevice->Clear( 0L, NULL, D3DCLEAR_TARGET\|D3DCLEAR_ZBUFFER, 0x00000000, 1.0f, 0L );
920
921	g_bRenderShadowMap = true;
922	float fTemp = 0.0f;// set depth bias
923	pd3dDevice->SetRenderState(D3DRS_SLOPESCALEDEPTHBIAS, (DWORD)&g_fBiasSlope);
924	RenderScene( pd3dDevice, fElapsedTime, &mLightView, &g_mLightProj );
925	pd3dDevice->SetRenderState(D3DRS_SLOPESCALEDEPTHBIAS, (DWORD)&fTemp);
926	g_bRenderShadowMap = false;
927	// Render: SHADOW MAP --------------------------------------------------------------------------------
928
929	if( pOldDS )
930	{
931	pd3dDevice->SetDepthStencilSurface( pOldDS );
932	pOldDS->Release();
933	}
934	pd3dDevice->SetRenderTarget( 0, pOldRT );
935	pd3dDevice->Clear( 0L, NULL, D3DCLEAR_TARGET\|D3DCLEAR_ZBUFFER, 0x00000000, 1.0f, 0L );
936
937	// Render: to screen --------------------------------------------------------------------------------
938	const D3DXMATRIX *pmView = g_bCameraPerspective ? g_CamCamera.GetViewMatrix() : &mLightView;
939	const D3DXMATRIX *pmProj = g_bCameraPerspective ? g_CamCamera.GetProjMatrix() : &g_mLightProj;
940
941	RenderScene( pd3dDevice, fElapsedTime, pmView, pmProj );
942	g_bRenderGUI = true;
943	RenderScene( pd3dDevice, fElapsedTime, pmView, pmProj );
944	g_bRenderGUI = false;
945	// Render: to screen --------------------------------------------------------------------------------
946	}
947	SAFE_RELEASE( pOldRT );
948	g_bSaveFrame = false;
949	}
950
951
952	//--------------------------------------------------------------------------------------
953	// Render the help and statistics text. This function uses the ID3DXFont interface for
954	// efficient text rendering.
955	//--------------------------------------------------------------------------------------
956	void RenderText()
957	{
958	// The helper object simply helps keep track of text position, and color
959	// and then it calls pFont->DrawText( m_pSprite, strMsg, -1, &rc, DT_NOCLIP, m_clr );
960	// If NULL is passed in as the sprite object, then it will work however the
961	// pFont->DrawText() will not be batched together. Batching calls will improves performance.
962	CDXUTTextHelper txtHelper( g_pFont, g_pTextSprite, 15 );
963
964	// Output statistics
965	txtHelper.Begin();
966	txtHelper.SetInsertionPos( 5, 5 );
967
968	// Draw help
969	if( g_bShowText && !g_bSaveFrame )
970	{
971	if( g_bUseTexture )
972	{
973	txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 1.0f, 1.0f, 1.0f ) );
974	} else
975	{
976	txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 0.0f, 0.0f, 1.0f ) );
977	}
978	txtHelper.DrawTextLine( DXUTGetFrameStats(true) );
979	txtHelper.DrawTextLine( DXUTGetDeviceStats() );
980
981
982
983	const D3DSURFACE_DESC* pd3dsdBackBuffer = DXUTGetBackBufferSurfaceDesc();
984	txtHelper.SetInsertionPos( 10, pd3dsdBackBuffer->Height-15*8 );
985	txtHelper.DrawTextLine( L"Controls:" );
986
987	txtHelper.SetInsertionPos( 15, pd3dsdBackBuffer->Height-15*7 );
988	txtHelper.DrawFormattedTextLine(
989	L"Rotate camera\n"
990	L"Move camera\n"
991	L"Rotate light\n"
992	L"Move light\n"
993	L"Modify shadow generation method\n"
994	L"Save picture\n"
995	L"Quit" );
996	txtHelper.SetInsertionPos( 265, pd3dsdBackBuffer->Height-15*7 );
997	txtHelper.DrawTextLine(
998	L"Left drag mouse\n"
999	L"W,S,A,D,Q,E\n"
1000	L"Right drag mouse\n"
1001	L"W,S,A,D,Q,E while holding right mouse\n"
1002	L"Forward:M, backward:N, directly:combo box\n"
1003	L"Z\n"
1004	L"ESC" );
1005
1006
1007	WCHAR sz0[50], sz1[50], sz2[50], sz3[50], sz4[50], sz5[50], sz6[50], sz7[50], sz8[50], sz9[50], sz10[50];
1008
1009	StringCchPrintf( sz0, 50, L"%i", g_iFov );
1010	StringCchPrintf( sz1, 50, L"%i", g_iLightFov );
1011	StringCchPrintf( sz2, 50, L"%.2f", g_fLightSize );
1012	StringCchPrintf( sz3, 50, L"%.2f", g_fIntensity );
1013	StringCchPrintf( sz4, 50, L"%.2f", g_fShadowBias );
1014	StringCchPrintf( sz5, 50, L"%.2f", g_fBiasSlope );
1015	StringCchPrintf( sz6, 50, L"%i", g_iKernelSize );
1016	StringCchPrintf( sz7, 50, L"%i", g_iShadowMapSize );
1017	StringCchPrintf( sz8, 50, L"%i", g_iFocusingMapSize );
1018	StringCchPrintf( sz9, 50, L"%i", (int)( g_fLightSourceSamples * g_fLightSourceSamples ) );
1019	StringCchPrintf( sz10,50, L"%i", (int)( 1.0f / g_fRealSamples ) );
1020
1021	switch( g_iShadowMethod ){
1022
1023	case 0:
1024	{
1025	txtHelper.SetInsertionPos( pd3dsdBackBuffer->Width - 310, 90 );
1026
1027	txtHelper.DrawTextLine( L"" );
1028	txtHelper.DrawTextLine( L"RealFov" );
1029	txtHelper.DrawTextLine( L"LightSize" );
1030	txtHelper.DrawTextLine( L"Intensity" );
1031	txtHelper.DrawTextLine( L"g_fShadowBias" );
1032	txtHelper.DrawTextLine( L"g_fBiasSlope" );
1033	txtHelper.DrawTextLine( L"" );
1034	txtHelper.DrawTextLine( L"ShadowMapSize" );
1035	txtHelper.DrawTextLine( L"FocusingMapSize" );
1036	txtHelper.DrawTextLine( L"LightSSamp" );
1037	txtHelper.DrawTextLine( L"LightSRealSamp" );
1038
1039	txtHelper.SetInsertionPos( pd3dsdBackBuffer->Width - 210, 90 );
1040
1041	txtHelper.DrawTextLine( L"" );
1042	txtHelper.DrawTextLine( sz1 );
1043	txtHelper.DrawTextLine( sz2 );
1044	txtHelper.DrawTextLine( sz3 );
1045	txtHelper.DrawTextLine( sz4 );
1046	txtHelper.DrawTextLine( sz5 );
1047	txtHelper.DrawTextLine( L"" );
1048	txtHelper.DrawTextLine( sz7 );
1049	txtHelper.DrawTextLine( sz8 );
1050	txtHelper.DrawTextLine( sz9 );
1051	txtHelper.DrawTextLine( sz10 );
1052
1053	break;
1054	}
1055
1056	case 1:
1057	{
1058	txtHelper.SetInsertionPos( pd3dsdBackBuffer->Width - 310, 90 );
1059
1060	txtHelper.DrawTextLine( L"" );
1061	txtHelper.DrawTextLine( L"RealFov" );
1062	txtHelper.DrawTextLine( L"g_fLightSize" );
1063	txtHelper.DrawTextLine( L"sceneScale" );
1064	txtHelper.DrawTextLine( L"g_fShadowBias" );
1065	txtHelper.DrawTextLine( L"g_fBiasSlope" );
1066	txtHelper.DrawTextLine( L"g_iKernelSize" );
1067	txtHelper.DrawTextLine( L"ShadowMapSize" );
1068	txtHelper.DrawTextLine( L"FocusingMapSize" );
1069
1070	txtHelper.SetInsertionPos( pd3dsdBackBuffer->Width - 210, 90 );
1071
1072	txtHelper.DrawTextLine( L"" );
1073	txtHelper.DrawTextLine( sz1 );
1074	txtHelper.DrawTextLine( sz2 );
1075	txtHelper.DrawTextLine( sz3 );
1076	txtHelper.DrawTextLine( sz4 );
1077	txtHelper.DrawTextLine( sz5 );
1078	txtHelper.DrawTextLine( sz6 );
1079	txtHelper.DrawTextLine( sz7 );
1080	txtHelper.DrawTextLine( sz8 );
1081
1082	break;
1083	}
1084
1085	case 2:
1086	{
1087	txtHelper.SetInsertionPos( pd3dsdBackBuffer->Width - 310, 90 );
1088
1089	txtHelper.DrawTextLine( L"g_iFov" );
1090	txtHelper.DrawTextLine( L"RealFov" );
1091	txtHelper.DrawTextLine( L"g_fLightSize" );
1092	txtHelper.DrawTextLine( L"g_fIntensity" );
1093	txtHelper.DrawTextLine( L"g_fShadowBias" );
1094	txtHelper.DrawTextLine( L"AddToRR2" );
1095	txtHelper.DrawTextLine( L"g_iKernelSize" );
1096	txtHelper.DrawTextLine( L"ShadowMapSize" );
1097	txtHelper.DrawTextLine( L"FocusingMapSize" );
1098
1099	txtHelper.SetInsertionPos( pd3dsdBackBuffer->Width - 210, 90 );
1100
1101	txtHelper.DrawTextLine( sz0 );
1102	txtHelper.DrawTextLine( sz1 );
1103	txtHelper.DrawTextLine( sz2 );
1104	txtHelper.DrawTextLine( sz3 );
1105	txtHelper.DrawTextLine( sz4 );
1106	txtHelper.DrawTextLine( sz5 );
1107	txtHelper.DrawTextLine( sz6 );
1108	txtHelper.DrawTextLine( sz7 );
1109	txtHelper.DrawTextLine( sz8 );
1110
1111	break;
1112	}
1113	}
1114	}
1115	else
1116	{
1117	txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 1.0f, 1.0f, 1.0f ) );
1118	// txtHelper.DrawTextLine( L"Press F1 for GUI" );
1119	}
1120	txtHelper.End();
1121	}
1122
1123
1124
1125	//--------------------------------------------------------------------------------------
1126	// Updates the values of parameter from the slider's value.
1127	//--------------------------------------------------------------------------------------
1128	void UpdateParamFromSlider()
1129	{
1130	int iSelectedSliderID = g_iSelectedMenuItem + 100;
1131	int iSelectedValue = g_HUD.GetSlider( iSelectedSliderID )->GetValue();
1132
1133	switch (g_iSelectedMenuItem)
1134	{
1135	case 0: g_iFov = iSelectedValue; break;
1136	case 1: g_iLightFov = iSelectedValue; break;
1137	case 2:
1138
1139	if( g_iShadowMethod == 1 )
1140	g_fLightSize = (float)iSelectedValue / 10000.0f;
1141	else
1142	g_fLightSize = (float)iSelectedValue / 100.0f;
1143	break;
1144	case 3:
1145	if( g_iShadowMethod == 1 )
1146	g_fIntensity = (float)iSelectedValue / 2.0f;
1147	else
1148	g_fIntensity = (float)iSelectedValue / 100.0f;
1149	break;
1150
1151	g_fIntensity = (float)iSelectedValue / 100.0f; break;
1152	case 4:
1153	g_fShadowBias = (float)iSelectedValue / 100.0f;
1154	break;
1155
1156	case 5: g_fBiasSlope = (float)iSelectedValue / 100.0f; break;
1157	case 6: g_iKernelSize = iSelectedValue; break;
1158	case 7: g_iShadowMapSize = (int)pow( 2.0f, iSelectedValue ); CreateTexture(); break;
1159	case 8: g_iFocusingMapSize = (int)pow( 2.0f, iSelectedValue ); CreateTexture(); break;
1160	case 9:
1161	g_fLightSourceSamples = (float)(int)( (float)iSelectedValue / 50.0f );
1162
1163	g_fRealSamples = 0;
1164	for( float x = 0.5f / g_fLightSourceSamples; x < g_fLightSourceSamples; x++ )
1165	{
1166	for( float y = 0.5f / g_fLightSourceSamples; y < g_fLightSourceSamples; y++ )
1167	{
1168	if( x * x + y * y < g_fLightSourceSamples * g_fLightSourceSamples )
1169	{
1170	g_fRealSamples++;
1171	}
1172	}
1173	}
1174	g_fRealSamples = 1.0f / g_fRealSamples;
1175	break;
1176	}
1177	}
1178
1179
1180	//--------------------------------------------------------------------------------------
1181	// Modify the value of the slider
1182	//--------------------------------------------------------------------------------------
1183	void IncrementSlider( int increment )
1184	{
1185	int iSelectedSliderID = g_iSelectedMenuItem + 100;
1186	int iSelectedValue = g_HUD.GetSlider( iSelectedSliderID )->GetValue();
1187
1188	iSelectedValue += increment;
1189
1190	if( iSelectedValue < g_iSliderMinValues[g_iSelectedMenuItem] )
1191	iSelectedValue = g_iSliderMinValues[g_iSelectedMenuItem];
1192
1193	if( iSelectedValue > g_iSliderMaxValues[g_iSelectedMenuItem] )
1194	iSelectedValue = g_iSliderMaxValues[g_iSelectedMenuItem];
1195
1196	g_HUD.GetSlider( iSelectedSliderID )->SetValue( iSelectedValue );
1197
1198	UpdateParamFromSlider();
1199	}
1200
1201
1202	//--------------------------------------------------------------------------------------
1203	// Before handling window messages, DXUT passes incoming windows
1204	// messages to the application through this callback function. If the application sets
1205	// *pbNoFurtherProcessing to TRUE, then DXUT will not process this message.
1206	//--------------------------------------------------------------------------------------
1207	LRESULT CALLBACK MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, bool* pbNoFurtherProcessing, void* pUserContext )
1208	{
1209	// Always allow dialog resource manager calls to handle global messages
1210	// so GUI state is updated correctly
1211	*pbNoFurtherProcessing = g_DialogResourceManager.MsgProc( hWnd, uMsg, wParam, lParam );
1212	if( *pbNoFurtherProcessing )
1213	return 0;
1214
1215	if( g_SettingsDlg.IsActive() )
1216	{
1217	g_SettingsDlg.MsgProc( hWnd, uMsg, wParam, lParam );
1218	return 0;
1219	}
1220
1221	*pbNoFurtherProcessing = g_HUD.MsgProc( hWnd, uMsg, wParam, lParam );
1222	if( *pbNoFurtherProcessing )
1223	return 0;
1224
1225	// Pass all windows messages to camera and dialogs so they can respond to user input
1226	if( WM_KEYDOWN != uMsg \|\| g_bRightMouseDown )
1227	g_LightCamera.HandleMessages( hWnd, uMsg, wParam, lParam );
1228
1229	if( WM_KEYDOWN != uMsg \|\| !g_bRightMouseDown )
1230	{
1231	if( g_bCameraPerspective )
1232	g_CamCamera.HandleMessages( hWnd, uMsg, wParam, lParam );
1233	else
1234	g_LightCamera.HandleMessages( hWnd, uMsg, wParam, lParam );
1235	}
1236	return 0;
1237	}
1238
1239
1240	//--------------------------------------------------------------------------------------
1241	// As a convenience, DXUT inspects the incoming windows messages for
1242	// keystroke messages and decodes the message parameters to pass relevant keyboard
1243	// messages to the application. The framework does not remove the underlying keystroke
1244	// messages, which are still passed to the application's MsgProc callback.
1245	//--------------------------------------------------------------------------------------
1246	void CALLBACK KeyboardProc( UINT nChar, bool bKeyDown, bool bAltDown, void* pUserContext )
1247	{
1248	if( bKeyDown )
1249	{
1250	switch( nChar )
1251	{
1252	// Change the selected shadowing method.
1253	case 'M':
1254	{
1255	bool modify = g_iShadowMethod == 1;
1256
1257	g_iShadowMethod = ( g_iShadowMethod + 1 ) % g_iNumberOfMethods;
1258
1259	g_pTechniquesListComboBox->SetSelectedByIndex( g_iShadowMethod );
1260
1261	if( !modify && ( g_iShadowMethod == 1 ) ){
1262	g_fLightSize /= 100.0f;
1263	g_fIntensity *= 50.0f;
1264	}
1265	if( modify && !( g_iShadowMethod == 1 ) ){
1266	g_fLightSize *= 100.0f;
1267	g_fIntensity /= 50.0f;
1268	}
1269	break;
1270	}
1271	case 'N':
1272	{
1273	bool modify = g_iShadowMethod == 1;
1274
1275	g_iShadowMethod = ( g_iShadowMethod - 1 );
1276	if( g_iShadowMethod < 0 )
1277	{
1278	g_iShadowMethod += g_iNumberOfMethods;
1279	}
1280
1281	g_pTechniquesListComboBox->SetSelectedByIndex( g_iShadowMethod );
1282	if( !modify && ( g_iShadowMethod == 1 ) ){
1283	g_fLightSize /= 100.0f;
1284	g_fIntensity *= 50.0f;
1285	}
1286	if( modify && !( g_iShadowMethod == 1 ) ){
1287	g_fLightSize *= 100.0f;
1288	g_fIntensity /= 50.0f;
1289	}
1290	break;
1291	}
1292	case 'Z':
1293	{
1294	g_bSaveFrame = true;
1295	break;
1296	}
1297	}
1298	}
1299	}
1300
1301	//--------------------------------------------------------------------------------------
1302	// Mouse handler
1303	//--------------------------------------------------------------------------------------
1304	void CALLBACK MouseProc( bool bLeftButtonDown, bool bRightButtonDown, bool bMiddleButtonDown, bool bSideButton1Down, bool bSideButton2Down, int nMouseWheelDelta, int xPos, int yPos, void* pUserContext )
1305	{
1306	g_bRightMouseDown = bRightButtonDown;
1307	}
1308
1309
1310	//--------------------------------------------------------------------------------------
1311	// Handles the GUI events
1312	//--------------------------------------------------------------------------------------
1313	void CALLBACK OnGUIEvent( UINT nEvent, int nControlID, CDXUTControl* pControl, void* pUserContext )
1314	{
1315	if( nControlID >= HUNDRED && nControlID <= LAST_SLIDER )
1316	{
1317	g_iSelectedMenuItem = nControlID - HUNDRED;
1318	UpdateParamFromSlider();
1319	}
1320
1321
1322	switch( nControlID )
1323	{
1324	case IDC_TOGGLEFULLSCREEN: DXUTToggleFullScreen(); break;
1325	case IDC_TOGGLEREF: DXUTToggleREF(); break;
1326	case IDC_CHANGEDEVICE: g_SettingsDlg.SetActive( !g_SettingsDlg.IsActive() ); break;
1327	case IDC_CHECKBOX:
1328	{
1329	CDXUTCheckBox pCheck = (CDXUTCheckBox )pControl;
1330	g_bShowText = pCheck->GetChecked();
1331	g_pTechniquesListComboBox->SetVisible( g_bShowText );
1332
1333	const D3DSURFACE_DESC* pd3dsdBackBuffer = DXUTGetBackBufferSurfaceDesc();
1334	if( !g_bShowText )
1335	{
1336	g_HUD.SetLocation( pd3dsdBackBuffer->Width-170, -500 );
1337	} else
1338	{
1339	g_HUD.SetLocation( pd3dsdBackBuffer->Width-170, 0 );
1340	}
1341	break;
1342	}
1343	case IDC_LIGHTPERSPECTIVE:
1344	{
1345	CDXUTCheckBox pCheck = (CDXUTCheckBox )pControl;
1346	g_bCameraPerspective = !pCheck->GetChecked();
1347	if( g_bCameraPerspective )
1348	{
1349	g_CamCamera.SetRotateButtons( true, false, false );
1350	g_LightCamera.SetRotateButtons( false, false, true );
1351	} else
1352	{
1353	g_CamCamera.SetRotateButtons( false, false, false );
1354	g_LightCamera.SetRotateButtons( true, false, true );
1355	}
1356
1357	break;
1358	}
1359
1360	case IDC_PAUSE_CHECKBOX:
1361	{
1362	CDXUTCheckBox pCheck = (CDXUTCheckBox )pControl;
1363	g_bPause = pCheck->GetChecked();
1364	break;
1365	}
1366
1367	case IDC_USE_TEXTURE_CHECKBOX:
1368	{
1369	CDXUTCheckBox pCheck = (CDXUTCheckBox )pControl;
1370	g_bUseTexture = pCheck->GetChecked();
1371	break;
1372	}
1373
1374	case IDC_METHOD_COMBO_BOX:
1375	{
1376	bool modify = g_iShadowMethod == 1;
1377
1378	g_iShadowMethod = g_pTechniquesListComboBox->FindItem( g_pTechniquesListComboBox->GetSelectedItem()->strText );
1379	if( !modify && ( g_iShadowMethod == 1 ) ){
1380	g_fLightSize /= 100.0f;
1381	g_fIntensity *= 50.0f;
1382	}
1383	if( modify && !( g_iShadowMethod == 1 ) ){
1384	g_fLightSize *= 100.0f;
1385	g_fIntensity /= 50.0f;
1386	}
1387	break;
1388	}
1389
1390	case IDC_USE_FOCUSING_CHECKBOX:
1391	{
1392	CDXUTCheckBox pCheck = (CDXUTCheckBox )pControl;
1393	g_bUseFocusing = pCheck->GetChecked();
1394	break;
1395	}
1396	}
1397	}
1398
1399
1400	//--------------------------------------------------------------------------------------
1401	// This callback function will be called immediately after the Direct3D device has
1402	// entered a lost state and before IDirect3DDevice9::Reset is called. Resources created
1403	// in the OnResetDevice callback should be released here, which generally includes all
1404	// D3DPOOL_DEFAULT resources. See the "Lost Devices" section of the documentation for
1405	// information about lost devices.
1406	//--------------------------------------------------------------------------------------
1407	void CALLBACK OnLostDevice( void* pUserContext )
1408	{
1409	g_DialogResourceManager.OnLostDevice();
1410	g_SettingsDlg.OnLostDevice();
1411	if( g_pFont )
1412	g_pFont->OnLostDevice();
1413	if( g_pFontSmall )
1414	g_pFontSmall->OnLostDevice();
1415	if( g_pEffect )
1416	g_pEffect->OnLostDevice();
1417	SAFE_RELEASE(g_pTextSprite);
1418
1419	SAFE_RELEASE( g_pShadowMapColorTexture );
1420	SAFE_RELEASE( g_pShadowMapColorSurface );
1421	SAFE_RELEASE( g_pShadowWeightTexture );
1422	SAFE_RELEASE( g_pShadowWeightSurface );
1423	SAFE_RELEASE( g_pShadowMapZTexture );
1424	SAFE_RELEASE( g_pShadowMapZSurface );
1425	SAFE_RELEASE( g_pShadowWeightZTexture );
1426	SAFE_RELEASE( g_pShadowWeightZSurface );
1427	SAFE_RELEASE( g_pFocusingMapColorTexture );
1428	SAFE_RELEASE( g_pFocusingMapColorSurface );
1429	SAFE_RELEASE( g_pDefaultTexture );
1430	SAFE_RELEASE( g_pMemoryMappedTexture );
1431	SAFE_RELEASE( g_pMemoryMappedTextureSurface );
1432
1433	for( int i = 0; i < NUM_OBJ; ++i )
1434	g_Obj[i].m_Mesh.InvalidateDeviceObjects();
1435	g_LightMesh.InvalidateDeviceObjects();
1436
1437	SAFE_RELEASE( g_pFullScreenQuadVertexDeclaration );
1438	SAFE_RELEASE( g_pFullScreenQuadVertexBuffer );
1439	}
1440
1441
1442	//--------------------------------------------------------------------------------------
1443	// This callback function will be called immediately after the Direct3D device has
1444	// been destroyed, which generally happens as a result of application termination or
1445	// windowed/full screen toggles. Resources created in the OnCreateDevice callback
1446	// should be released here, which generally includes all D3DPOOL_MANAGED resources.
1447	//--------------------------------------------------------------------------------------
1448	void CALLBACK OnDestroyDevice( void* pUserContext )
1449	{
1450	g_DialogResourceManager.OnDestroyDevice();
1451	g_SettingsDlg.OnDestroyDevice();
1452	SAFE_RELEASE( g_pEffect );
1453	SAFE_RELEASE( g_pFont );
1454	SAFE_RELEASE( g_pFontSmall );
1455	SAFE_RELEASE( g_pVertDecl );
1456
1457	SAFE_RELEASE( g_pEffect );
1458
1459	for( int i = 0; i < NUM_OBJ; ++i )
1460	g_Obj[i].m_Mesh.Destroy();
1461	g_LightMesh.Destroy();
1462	}

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source: GTP/trunk/App/Demos/Illum/SoftShadowMap/ShadowMap.cpp @ 1637

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