source: GTP/trunk/App/Demos/Illum/DepthOfField/Main.cpp @ 1463

Revision 1463, 22.0 KB checked in by szirmay, 18 years ago (diff)
RevLine 
[760]1//--------------------------------------------------------------------------------------
2// Main.cpp:
3// - DirectX initialization
4// - create resources (textures)
5//--------------------------------------------------------------------------------------
6
7#include "dxstdafx.h"
8#include "resource.h"
9#include <math.h>
10#include <stdio.h>
11
12//#define DEBUG_VS   // Uncomment this line to debug vertex shaders
13//#define DEBUG_PS   // Uncomment this line to debug pixel shaders 
14
15#include "Mesh.h"
16#include "Parameters.h"
17#include "CameraEffects.h"
18
19const int WIDTH = 512;
20const int HEIGHT = WIDTH;
21const int CHARBUFFER_SIZE = 200;
22
23//--------------------------------------------------------------------------------------
24// Global variables
25//--------------------------------------------------------------------------------------
26int currentMethod=0;
27int methodCount=1;
28bool showUI=true;
29CameraEffects PD;
30IDirect3DDevice9*                       g_pd3dDevice = NULL;
31ID3DXEffect*                            g_pEffect = NULL;
32
33CDXUTDialogResourceManager      g_DialogResourceManager;        // manager for shared resources of dialogs
34CD3DSettingsDlg                         g_SettingsDlg;                          // Device settings dialog
35CDXUTDialog                                     g_HUD;                                          // Dialog for sample specific controls
36
37ID3DXFont*                                      g_pFont = NULL;                         // Font for drawing text
38ID3DXSprite*                            g_pTextSprite = NULL;           // Sprite for batching draw text calls
39
40IDirect3DSurface9*                      g_pSaveSurface;                         // screenshot capturing support
41bool                                            bSavingScreenshot = false;
42int                                                     counter = 0;
43
44D3DXVECTOR3 LightPosition;
45HRESULT hr;
46
47Parameters pp;                                                  // managing parameters of the algorithm
48
49CModelViewerCamera camera;                              // camera
50
51
52//--------------------------------------------------------------------------------------
53// Forward declarations (CALLBACK)
54//--------------------------------------------------------------------------------------
55bool    CALLBACK IsDeviceAcceptable( D3DCAPS9* pCaps, D3DFORMAT AdapterFormat, D3DFORMAT BackBufferFormat, bool bWindowed, void* pUserContext );
56bool    CALLBACK ModifyDeviceSettings( DXUTDeviceSettings* pDeviceSettings, const D3DCAPS9* pCaps, void* pUserContext );
57HRESULT CALLBACK OnCreateDevice( IDirect3DDevice9* g_pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext );
58HRESULT CALLBACK OnResetDevice( IDirect3DDevice9* g_pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext );
59void    CALLBACK OnFrameMove( IDirect3DDevice9* g_pd3dDevice, double fTime, float fElapsedTime, void* pUserContext );
60void    CALLBACK OnFrameRender( IDirect3DDevice9* g_pd3dDevice, double fTime, float fElapsedTime, void* pUserContext );
61LRESULT CALLBACK MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, bool* pbNoFurtherProcessing, void* pUserContext );
62void    CALLBACK KeyboardProc( UINT nChar, bool bKeyDown, bool bAltDown, void* pUserContext );
63void    CALLBACK OnGUIEvent( UINT nEvent, int nControlID, CDXUTControl* pControl, void* pUserContext );
64void    CALLBACK OnLostDevice( void* pUserContext );
65void    CALLBACK OnDestroyDevice( void* pUserContext );
66void    InitApp();
67void    RenderText();
68
69//--------------------------------------------------------------------------------------
70// Forward declarations
71//--------------------------------------------------------------------------------------
72
73void SaveCameraPosition( char* fileName );
74void LoadCameraPosition( char* fileName );
75int GenerateNewFileName( int& counter );
76
77//--------------------------------------------------------------------------------------
78// Entry point to the program. Initializes everything and goes into a message processing
79// loop. Idle time is used to render the scene.
80//--------------------------------------------------------------------------------------
81INT WINAPI WinMain( HINSTANCE, HINSTANCE, LPSTR, int )
82{
83    // Enable run-time memory check for debug builds.
84#if defined(DEBUG) | defined(_DEBUG)
85    _CrtSetDbgFlag( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
86#endif
87
88    DXUTSetCallbackDeviceCreated( OnCreateDevice );
89    DXUTSetCallbackDeviceReset( OnResetDevice );
90    DXUTSetCallbackDeviceLost( OnLostDevice );
91    DXUTSetCallbackDeviceDestroyed( OnDestroyDevice );
92    DXUTSetCallbackMsgProc( MsgProc );
93    DXUTSetCallbackKeyboard( KeyboardProc );
94    DXUTSetCallbackFrameRender( OnFrameRender );
95    DXUTSetCallbackFrameMove( OnFrameMove );
96
97        InitApp();
98
99        // Show the cursor and clip it when in full screen
100    DXUTSetCursorSettings( true, true );
101
102        DXUTInit( true, true, true ); // Parse the command line, handle the default hotkeys, and show msgboxes
103    DXUTCreateWindow( L"Depth of Field Demo" );
104    DXUTCreateDevice( D3DADAPTER_DEFAULT, true, WIDTH, HEIGHT, IsDeviceAcceptable, ModifyDeviceSettings );
105
106        camera.SetButtonMasks( 0, MOUSE_WHEEL, MOUSE_LEFT_BUTTON );
107
108    DXUTMainLoop();
109
110    return DXUTGetExitCode();
111}
112
113void CALLBACK OnGUIEvent( UINT nEvent, int nControlID, CDXUTControl* pControl, void* pUserContext )
114{
115        pp.UpdateFromHUD( nControlID );
116}
117
118void OnLoad() {
119        LoadCameraPosition( ".matrix" );
120}
121
122void OnSave() {
123        SaveCameraPosition( ".matrix" );
124        bSavingScreenshot = true;
125}
126
127void OnReset()
128{
129        LightPosition.x=-0.4f;
130        LightPosition.y=1.3f;   
131        LightPosition.z=9;
132}
133
134void InitApp()
135{
136        g_SettingsDlg.Init( &g_DialogResourceManager );
137        g_HUD.Init( &g_DialogResourceManager );
138        g_HUD.SetCallback( OnGUIEvent );        // Event handling
139
140        pp.Setup( &g_HUD, OnReset, OnSave, OnLoad);     // you can add callbacks to these actions
141       
142        pp.Add( bShowHelp, "Show Help", VK_F1 );
143       
144        PD.addUiParams(pp);
145       
146        pp.UpdateFromHUD( IDC_RESET_BUTTON );   // do a reset
147}
148
149//--------------------------------------------------------------------------------------
150// Rejects any devices that aren't acceptable by returning false
151//--------------------------------------------------------------------------------------
152bool CALLBACK IsDeviceAcceptable( D3DCAPS9* pCaps, D3DFORMAT AdapterFormat,
153                                  D3DFORMAT BackBufferFormat, bool bWindowed, void* pUserContext )
154{
155    // Skip backbuffer formats that don't support alpha blending
156    IDirect3D9* pD3D = DXUTGetD3DObject();
157    if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,
158                    AdapterFormat, D3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING,
159                    D3DRTYPE_TEXTURE, BackBufferFormat ) ) )
160        return false;
161
162    return true;
163}
164
165//--------------------------------------------------------------------------------------
166// Before a device is created, modify the device settings as needed
167//--------------------------------------------------------------------------------------
168bool CALLBACK ModifyDeviceSettings( DXUTDeviceSettings* pDeviceSettings, const D3DCAPS9* pCaps, void* pUserContext )
169{
170        // VSync off
171        pDeviceSettings->pp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
172
173    // If device doesn't support HW T&L or doesn't support 1.1 vertex shaders in HW
174    // then switch to SWVP.
175    if( (pCaps->DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) == 0 ||
176         pCaps->VertexShaderVersion < D3DVS_VERSION(1,1) )
177                pDeviceSettings->BehaviorFlags = D3DCREATE_SOFTWARE_VERTEXPROCESSING;
178    else
179                pDeviceSettings->BehaviorFlags = D3DCREATE_HARDWARE_VERTEXPROCESSING;
180
181    // This application is designed to work on a pure device by not using
182    // IDirect3D9::Get*() methods, so create a pure device if supported and using HWVP.
183    if ((pCaps->DevCaps & D3DDEVCAPS_PUREDEVICE) != 0 &&
184        (pDeviceSettings->BehaviorFlags & D3DCREATE_HARDWARE_VERTEXPROCESSING) != 0 )
185        pDeviceSettings->BehaviorFlags |= D3DCREATE_PUREDEVICE;
186
187    // Debugging vertex shaders requires either REF or software vertex processing
188    // and debugging pixel shaders requires REF. 
189#ifdef DEBUG_VS
190    if( pDeviceSettings->DeviceType != D3DDEVTYPE_REF )
191    {
192        pDeviceSettings->BehaviorFlags &= ~D3DCREATE_HARDWARE_VERTEXPROCESSING;
193        pDeviceSettings->BehaviorFlags &= ~D3DCREATE_PUREDEVICE;                           
194        pDeviceSettings->BehaviorFlags |= D3DCREATE_SOFTWARE_VERTEXPROCESSING;
195    }
196#endif
197#ifdef DEBUG_PS
198    pDeviceSettings->DeviceType = D3DDEVTYPE_REF;
199#endif
200
201        // For the first device created if its a REF device, optionally display a warning dialog box
202    static bool s_bFirstTime = true;
203    if( s_bFirstTime )
204    {
205        s_bFirstTime = false;
206        if( pDeviceSettings->DeviceType == D3DDEVTYPE_REF )
207            DXUTDisplaySwitchingToREFWarning();
208    }
209        return true;
210}
211
212//--------------------------------------------------------------------------------------
213// Create any D3DPOOL_MANAGED resources here
214//--------------------------------------------------------------------------------------
215HRESULT CALLBACK OnCreateDevice( IDirect3DDevice9* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext )
216{
217        ::g_pd3dDevice = pd3dDevice;
218
219        HRESULT hr;
220
221    V_RETURN( g_DialogResourceManager.OnCreateDevice( g_pd3dDevice ) );
222    V_RETURN( g_SettingsDlg.OnCreateDevice( g_pd3dDevice ) );
223
224    // Initialize the font
225    V_RETURN( D3DXCreateFont( g_pd3dDevice, 15, 0, FW_BOLD, 1, FALSE, DEFAULT_CHARSET,
226                         OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE,
227                         L"Arial", &g_pFont ) );
228
229       
230       
231        float initialEyeDist = 6.82f;
232        D3DXVECTOR3 vecEye(0, 0, -initialEyeDist);
233        D3DXVECTOR3 vecAt (0.0f, 0.0f, -0.0f);
234        camera.SetViewParams( &vecEye, &vecAt );
235
236        PD.OnCreateDevice(g_pd3dDevice);
237        PD.camera = &camera;
238
239        return S_OK;
240}
241
242//--------------------------------------------------------------------------------------
243// Release resources created in the OnCreateDevice callback here
244//--------------------------------------------------------------------------------------
245void CALLBACK OnDestroyDevice( void* pUserContext )
246{
247    g_DialogResourceManager.OnDestroyDevice();
248    g_SettingsDlg.OnDestroyDevice();
249    SAFE_RELEASE(g_pFont);     
250        PD.OnDestroyDevice();
251}
252
253
254//--------------------------------------------------------------------------------------
255// Create any D3DPOOL_DEFAULT resources here
256//--------------------------------------------------------------------------------------
257HRESULT CALLBACK OnResetDevice( IDirect3DDevice9* g_pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext )
258{
259    HRESULT hr;
260
261    V_RETURN( g_DialogResourceManager.OnResetDevice() );
262    V_RETURN( g_SettingsDlg.OnResetDevice() );
263
264    if( g_pFont )   V_RETURN( g_pFont->OnResetDevice() );
265 
266    // Create a sprite to help batch calls when drawing many lines of text
267    V_RETURN( D3DXCreateSprite( g_pd3dDevice, &g_pTextSprite ) );
268
269        // Create a surface to save screenshots
270        IDirect3DTexture9* pSaveTexture = NULL;
271        V( D3DXCreateTexture( g_pd3dDevice, pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height, 1,
272                D3DUSAGE_RENDERTARGET, D3DFMT_A8R8G8B8, D3DPOOL_DEFAULT, &pSaveTexture) );
273        pSaveTexture->GetSurfaceLevel( 0, &g_pSaveSurface );
274        SAFE_RELEASE( pSaveTexture );
275
276        // Setup the camera's projection parameters
277    float fAspectRatio = pBackBufferSurfaceDesc->Width / (FLOAT)pBackBufferSurfaceDesc->Height;
278
279        camera.SetProjParams( D3DX_PI/4, fAspectRatio, 0.1f, 100 );
280    camera.SetWindow( pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height );
281       
282    // Position the on-screen dialog
283    g_HUD.SetLocation( 0, 0 );
284    g_HUD.SetSize( pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height );
285
286        PD.OnResetDevice((D3DSURFACE_DESC*)pBackBufferSurfaceDesc);
287
288    return S_OK;
289}
290
291//--------------------------------------------------------------------------------------
292// Release resources created in the OnResetDevice callback here
293//--------------------------------------------------------------------------------------
294void CALLBACK OnLostDevice( void* pUserContext )
295{
296    g_DialogResourceManager.OnLostDevice();
297    g_SettingsDlg.OnLostDevice();
298
299    if( g_pFont )       g_pFont->OnLostDevice();
300   
301    SAFE_RELEASE( g_pTextSprite );
302        SAFE_RELEASE( g_pSaveSurface );
303
304        PD.OnLostDevice();
305}
306
307LRESULT CALLBACK MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, bool* pbNoFurtherProcessing, void* pUserContext )
308{
309    // Always allow dialog resource manager calls to handle global messages
310    // so GUI state is updated correctly
311    *pbNoFurtherProcessing = g_DialogResourceManager.MsgProc( hWnd, uMsg, wParam, lParam );
312    if( *pbNoFurtherProcessing )
313        return 0;
314
315    if( g_SettingsDlg.IsActive() )
316    {
317        g_SettingsDlg.MsgProc( hWnd, uMsg, wParam, lParam );
318        return 0;
319    }
320
321        // Give the dialogs a chance to handle the message first
322    *pbNoFurtherProcessing = g_HUD.MsgProc( hWnd, uMsg, wParam, lParam );
323    if( *pbNoFurtherProcessing )
324        return 0;
325
326    // Pass all remaining windows messages to camera so it can respond to user input
327        camera.HandleMessages( hWnd, uMsg, wParam, lParam );
328
329    return 0;
330}
331
332//--------------------------------------------------------------------------------------
333// Handle updates to the scene
334//--------------------------------------------------------------------------------------
335void CALLBACK OnFrameMove( IDirect3DDevice9* g_pd3dDevice, double fTime, float fElapsedTime, void* pUserContext )
336{
337    camera.FrameMove( fElapsedTime );
338}
339
340//--------------------------------------------------------------------------------------
341// Render the scene
342//--------------------------------------------------------------------------------------
343void CALLBACK OnFrameRender( IDirect3DDevice9* g_pd3dDevice, double fTime, float fElapsedTime, void* pUserContext )
344{   
345        /* // If the settings dialog is being shown, then
346    // render it instead of rendering the app's scene
347    if( g_SettingsDlg.IsActive() )
348    {
349        g_SettingsDlg.OnRender( fElapsedTime );
350        return;
351    }*/
352
353        IDirect3DSurface9* oldRenderTarget = NULL;
354        if (bSavingScreenshot) {
355                V( g_pd3dDevice->GetRenderTarget(0, &oldRenderTarget) );
356                V( g_pd3dDevice->SetRenderTarget(0, g_pSaveSurface) );
357        }
358
359        V( g_pd3dDevice->BeginScene() );
360
361
362                        D3DXMATRIXA16 mView = *camera.GetViewMatrix();
363                        D3DXMATRIXA16 mProj = *camera.GetProjMatrix();
364
365                        V( g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(75, 75, 75), 1.0f, 0L) );
366
367                        PD.currentmethod=currentMethod;
368                        PD.camera = &camera;
369                        PD.LightPos=&LightPosition;
370                        PD.OnFrameRender(mView,mProj);
371
372                        if (!bSavingScreenshot)
373                        {
374                                RenderText();
375                                if(showUI)
376                                {       
377                                        V( g_HUD.OnRender( fElapsedTime ) );
378                                }
379                        }
380
381        V( g_pd3dDevice->EndScene() );
382
383        if (bSavingScreenshot)
384        {
385                // saving surface
386                char buf[CHARBUFFER_SIZE];
387                wchar_t wbuf[CHARBUFFER_SIZE];
388
389                GenerateNewFileName( counter );
390                sprintf(buf, "shots\\%03i.png", counter);
391                mbstowcs( wbuf, buf, CHARBUFFER_SIZE );
392
393                D3DXSaveSurfaceToFileW(wbuf, D3DXIFF_PNG, g_pSaveSurface, NULL, NULL);
394
395                sprintf(buf, "shots\\%03i", counter);
396                pp.SaveToFile( buf );
397
398                sprintf(buf, "shots\\%03i.matrix", counter);
399                SaveCameraPosition( buf );
400
401                g_pd3dDevice->SetRenderTarget(0, oldRenderTarget);
402                bSavingScreenshot = false;
403        }
404}
405
406int GenerateNewFileName( int& counter )
407{
408        char buf[CHARBUFFER_SIZE];
409        FILE* f;
410        do {
411                sprintf(buf, "shots\\%03i.png", counter);
412                if ( (f = fopen(buf, "rt")) != NULL )
413                {
414                        fclose( f );
415                        counter++;
416                }
417        } while (f != NULL);
418        return counter;
419}
420
421//--------------------------------------------------------------------------------------
422// The framework does not remove the underlying keystroke messages,
423// which are still passed to the application's MsgProc callback.
424//--------------------------------------------------------------------------------------
425void CALLBACK KeyboardProc( UINT nChar, bool bKeyDown, bool bAltDown, void* pUserContext )
426{
427        if( bKeyDown )
428    {
429                if ( nChar >= '0' && nChar <= '9' ) {
430                        UINT whichMesh = nChar-'0';
431                        PD.changeMesh(whichMesh);
432                }
433                switch(nChar)
434                {
435                        case VK_SPACE:
436                                showUI=!showUI;
437                                break;
438                        case VK_TAB:
439                                currentMethod=(++currentMethod)%methodCount;
440                                break;
441                        case VK_DOWN:
442                                LightPosition.z-=0.1f;
443                                break;
444                        case VK_UP:
445                                LightPosition.z+=0.1f;
446                                break;
447                        case VK_LEFT:
448                                LightPosition.x-=0.1f;
449                                break;
450                        case VK_RIGHT:
451                                LightPosition.x+=0.1f;
452                                break;
453                        case VK_DELETE:
454                                LightPosition.y+=0.1f;
455                                break;
456                        case VK_END:
457                                LightPosition.y-=0.1f;
458                                break;                         
459                        default:
460                                break;
461                }
462        }
463}
464
465void SaveCameraPosition( char* fileName )
466{
467        // save parameters to file:
468        // world matrix (4x4)
469        // camera position (3)
470
471        // save world matrix
472        D3DXMATRIXA16 W = *camera.GetViewMatrix();
473
474        FILE* f;
475
476        if ((f = fopen(fileName, "wt")) == NULL)
477        {
478                wchar_t wbuf[CHARBUFFER_SIZE];
479                mbstowcs( wbuf, fileName, CHARBUFFER_SIZE );
480        MessageBox(NULL, wbuf, L"File creation failed!", MB_ICONEXCLAMATION);
481                return;
482        }
483
484        fprintf(f, "\n");
485        fprintf(f, "World matrix:\n");
486        fprintf(f, "%10.4g %10.4g %10.4g %10.4g\n", W._11, W._12, W._13, W._14);
487        fprintf(f, "%10.4g %10.4g %10.4g %10.4g\n", W._21, W._22, W._23, W._24);
488        fprintf(f, "%10.4g %10.4g %10.4g %10.4g\n", W._31, W._32, W._33, W._34);
489        fprintf(f, "%10.4g %10.4g %10.4g %10.4g\n", W._41, W._42, W._43, W._44);
490
491        // save camera position
492        fprintf(f, "\n");
493        fprintf(f, "Camera position:\n");
494        const D3DXVECTOR3* eye = camera.GetEyePt();
495        fprintf(f, "%10g %10g %10g", eye->x, eye->y, eye->z);
496        fprintf(f, "\n");
497
498        fclose(f);
499}
500
501void LoadCameraPosition( char* fileName )
502{
503        FILE* f;
504
505        if ((f = fopen(fileName, "rt")) == NULL) {
506                wchar_t wbuf[CHARBUFFER_SIZE];
507                mbstowcs( wbuf, fileName, CHARBUFFER_SIZE );
508        MessageBox(NULL, wbuf, L"File not found!", MB_ICONEXCLAMATION);
509                return;
510        }
511
512        const int BufSize = 500;        // size of char buffers
513        char buf[BufSize];
514        D3DXMATRIXA16 W;
515
516        fgets(buf, BufSize, f);         // skip comment
517        fgets(buf, BufSize, f);         // skip comment
518        fgets(buf, BufSize, f);         sscanf(buf, "%f %f %f %f", &W._11, &W._12, &W._13, &W._14);
519        fgets(buf, BufSize, f);         sscanf(buf, "%f %f %f %f", &W._21, &W._22, &W._23, &W._24);
520        fgets(buf, BufSize, f);         sscanf(buf, "%f %f %f %f", &W._31, &W._32, &W._33, &W._34);
521        fgets(buf, BufSize, f);         sscanf(buf, "%f %f %f %f", &W._41, &W._42, &W._43, &W._44);
522
523        // load camera position
524        D3DXVECTOR3 vecAt(0.0f, 0.0f, 0.0f);
525        D3DXVECTOR3 vecEye;
526        fgets(buf, BufSize, f);         // skip comment
527        fgets(buf, BufSize, f);         // skip comment
528        fgets(buf, BufSize, f);         sscanf(buf, "%f %f %f", &vecEye.x, &vecEye.y, &vecEye.z);
529
530        fclose(f);
531
532        camera.SetViewParams( &vecEye, &vecAt );
533
534        D3DXQUATERNION q;
535        D3DXQuaternionRotationMatrix(&q, &W);
536        camera.SetViewQuat(q);
537}
538
539//--------------------------------------------------------------------------------------
540// Util function.
541// Creates an empty texture. These textures will be used as render targets, therefore
542// the Usage flag is set to D3DUSAGE_RENDERTARGET and consequently, the assigned
543// memory pool is D3DPOOL_DEFAULT.
544// Params: size and format (eg. D3DFMT_A32B32G32R32F) of the new texture.
545//--------------------------------------------------------------------------------------
546IDirect3DTexture9* CreateTexture( int size, D3DFORMAT Format )
547{
548        HRESULT hr;
549        IDirect3DTexture9* pTexture;
550        V( g_pd3dDevice->CreateTexture( size, size,             // dimensions
551                                                                        1,                              // mipmap levels
552                                                                        D3DUSAGE_RENDERTARGET, // usage
553                                                                        Format,                 
554                                                                        D3DPOOL_DEFAULT,// memory pool
555                                                                        &pTexture, NULL ) );
556        return pTexture;
557}
558
559//--------------------------------------------------------------------------------------
560// Util function.
561// Creates an empty cubemap texture of the given resolution and format.
562//--------------------------------------------------------------------------------------
563
564IDirect3DCubeTexture9* CreateCubeTexture( int size, D3DFORMAT Format )
565{
566        HRESULT hr;
567        IDirect3DCubeTexture9* pCubeTexture;
568        V( g_pd3dDevice->CreateCubeTexture(     size, 1, D3DUSAGE_RENDERTARGET,
569                                                                                Format, D3DPOOL_DEFAULT, &pCubeTexture, NULL ) );
570        return pCubeTexture;
571}
572
573
574//--------------------------------------------------------------------------------------
575// Render the help and statistics text.
576//--------------------------------------------------------------------------------------
577void RenderText()
578{
579        const D3DSURFACE_DESC* backBufferDesc = DXUTGetBackBufferSurfaceDesc();
580
581    CDXUTTextHelper txtHelper( g_pFont, g_pTextSprite, 15 );
582    txtHelper.Begin();
583
584        txtHelper.SetInsertionPos( 5, 5 );
585        txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 1.0f, 0.0f, 1.0f ) );
586
587        if(showUI)
588        {
589                txtHelper.DrawFormattedTextLine( L"%.2f fps @ %i x %i",
590                DXUTGetFPS(), backBufferDesc->Width, backBufferDesc->Height );
591                //txtHelper.DrawTextLine( DXUTGetFrameStats() );
592                txtHelper.DrawTextLine( DXUTGetDeviceStats() );
593                //txtHelper.DrawTextLine( L"" );
594               
595                txtHelper.SetInsertionPos( 5, 120 );
596                txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 1.0f, 1.0f, 1.0f ) );
597       
598                switch(currentMethod)
599                {
600                        case 0:txtHelper.DrawFormattedTextLine( L"Method : Depth of Field with Circle of Confusion");break;
601                }
602        }
603        txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 1.0f, 0.0f, 1.0f ) );
604
605        if ( pp.Get( bShowHelp ) )
606        {
607                txtHelper.SetInsertionPos( backBufferDesc->Width - 260, backBufferDesc->Height-24*15 );
608
609                txtHelper.DrawTextLine(
610                                L"Controls (F1 to hide):\n\n"
611                                L"___________________________________\n"
612                                L"                     GENERAL CONTROLS\n"
613                                L"Left click drag: Rotate mesh\n"
614                                L"Mouse wheel: Zoom\n"
615                                L"F3: Switch to REF device\n"
616                                L"F8: Switch to Wireframe mode\n"
617                                L"Space: Show/Hide UI Elements\n"
618                                L"___________________________________\n"
619                                L"                             ALGORITHM\n"
[1463]620                                L"Use the slider to change the focal distance\n"
[760]621                                L"___________________________________\n"
622                                L"                             UTILITIES\n"
623                                L"L: [L]oad view & eye params\n"
624                                L"S: [S]ave view & eye params\n"
625                                L"Alt+S: [S]ave Screenshot\n"
626                                L"___________________________________\n"
627                                L"                             Quit: ESC");
628        }
629        else
630        {
631        //      txtHelper.DrawTextLine( L"Press F1 for help" );
632        }
633        txtHelper.End();
634}
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