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- //-----------------------------------------------------------------------------
- // File: OptimizedMesh.cpp
- //
- // Desc: Sample of optimizing meshes in D3D
- //
- // Copyright (c) 1998-2001 Microsoft Corporation. All rights reserved.
- //-----------------------------------------------------------------------------
- #define STRICT
- #include <tchar.h>
- #include <stdio.h>
- #include <windows.h>
- #include <commdlg.h>
- #include <d3dx8.h>
- #include "D3DApp.h"
- #include "D3DFont.h"
- #include "D3DUtil.h"
- #include "DXUtil.h"
- #include "resource.h"
-
- struct SStripData
- {
- LPDIRECT3DINDEXBUFFER8 m_pStrips; // strip indices (single strip)
- LPDIRECT3DINDEXBUFFER8 m_pStripsMany; // strip indices (many strips)
-
- DWORD m_cStripIndices;
- DWORD *m_rgcStripLengths;
- DWORD m_cStrips;
-
- SStripData()
- :m_pStrips(NULL),
- m_pStripsMany(NULL),
- m_cStripIndices(0),
- m_rgcStripLengths(NULL)
- {}
- };
-
- struct SMeshData
- {
- LPD3DXMESH m_pMeshSysMem; // System memory copy of mesh
-
- LPD3DXMESH m_pMesh; // Local version of mesh, copied on resize
- LPDIRECT3DVERTEXBUFFER8 m_pVertexBuffer; // vertex buffer of mesh
-
- SStripData *m_rgStripData; // strip indices split by attribute
- DWORD m_cStripDatas;
-
- SMeshData()
- :m_pMeshSysMem(NULL),
- m_pMesh(NULL),
- m_pVertexBuffer(NULL),
- m_rgStripData(NULL),
- m_cStripDatas(0)
- {}
-
- void ReleaseLocalMeshes()
- {
- SAFE_RELEASE(m_pMesh);
- SAFE_RELEASE(m_pVertexBuffer);
- }
-
- void ReleaseAll()
- {
- SAFE_RELEASE(m_pMeshSysMem);
- SAFE_RELEASE(m_pMesh);
- SAFE_RELEASE(m_pVertexBuffer);
-
- for (DWORD iStripData = 0; iStripData < m_cStripDatas; iStripData++)
- {
- SAFE_RELEASE(m_rgStripData[iStripData].m_pStrips);
- SAFE_RELEASE(m_rgStripData[iStripData].m_pStripsMany);
- delete []m_rgStripData[iStripData].m_rgcStripLengths;
- }
-
- delete []m_rgStripData;
- m_rgStripData = NULL;
- m_cStripDatas = 0;
- }
- };
-
- //-----------------------------------------------------------------------------
- // Name: class CMyD3DApplication
- // Desc: Main class to run this application. Most functionality is inherited
- // from the CD3DApplication base class.
- //-----------------------------------------------------------------------------
- class CMyD3DApplication : public CD3DApplication
- {
- TCHAR m_strMeshFilename[512];
- TCHAR m_strInitialDir[512];
-
- BOOL m_bShowVertexCacheOptimized;
- BOOL m_bShowStripReordered;
- BOOL m_bShowStrips;
- BOOL m_bShowSingleStrip;
- BOOL m_bForce32ByteFVF;
-
- CD3DFont* m_pFont; // Font for outputting frame stats
-
- CD3DArcBall m_ArcBall; // Mouse rotation utility
- D3DXVECTOR3 m_vObjectCenter; // Center of bounding sphere of object
- FLOAT m_fObjectRadius; // Radius of bounding sphere of object
-
- D3DXMATRIX m_matWorld;
- DWORD m_cObjectsPerSide; // sqrt of the number of objects to draw
-
- DWORD m_dwMemoryOptions;
-
- // various forms of mesh data
- SMeshData m_MeshAttrSorted;
- SMeshData m_MeshStripReordered;
- SMeshData m_MeshVertexCacheOptimized;
-
- DWORD m_dwNumMaterials; // Number of materials
- LPDIRECT3DTEXTURE8* m_pMeshTextures;
- D3DMATERIAL8* m_pMeshMaterials;
-
- public:
- HRESULT OneTimeSceneInit();
- HRESULT InitDeviceObjects();
- HRESULT RestoreDeviceObjects();
- HRESULT InvalidateDeviceObjects();
- HRESULT DeleteDeviceObjects();
- HRESULT Render();
- HRESULT FrameMove();
- HRESULT FinalCleanup();
-
- LRESULT MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
- CMyD3DApplication();
-
- HRESULT LoadMeshData(LPD3DXMESH *pMeshSysMemLoaded, LPD3DXBUFFER *ppAdjacencyBuffer);
- HRESULT OptimizeMeshData(LPD3DXMESH pMeshSysMem, LPD3DXBUFFER pAdjacencyBuffer, DWORD dwOptFlags, SMeshData *pMeshData);
- HRESULT UpdateLocalMeshes(SMeshData *pMeshData);
- HRESULT DrawMeshData(SMeshData *pMeshData);
- };
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: WinMain()
- // Desc: Entry point to the program. Initializes everything, and goes into a
- // message-processing loop. Idle time is used to render the scene.
- //-----------------------------------------------------------------------------
- INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR, INT )
- {
- CMyD3DApplication d3dApp;
-
- if( FAILED( d3dApp.Create( hInst ) ) )
- return 0;
-
- return d3dApp.Run();
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: CMyD3DApplication()
- // Desc: Constructor
- //-----------------------------------------------------------------------------
- CMyD3DApplication::CMyD3DApplication()
- {
- // Override base class members
- m_strWindowTitle = _T("OptimizedMesh: Optimizing Meshes in D3D");
- m_bUseDepthBuffer = TRUE;
- m_bShowCursorWhenFullscreen = TRUE;
-
- // Initialize member variables
- m_bShowVertexCacheOptimized = TRUE;
- m_bShowStripReordered = FALSE;
- m_bShowSingleStrip = TRUE;
- m_bShowStrips = FALSE;
- m_bShowSingleStrip = FALSE;
- m_bForce32ByteFVF = TRUE;
-
- m_dwMemoryOptions = D3DXMESH_MANAGED;
-
- m_pFont = new CD3DFont( _T("Arial"), 12, D3DFONT_BOLD );
-
- _tcscpy( m_strInitialDir, DXUtil_GetDXSDKMediaPath() );
- _tcscpy( m_strMeshFilename, _T("knot.x") );
-
- m_cObjectsPerSide = 1;
-
- // initialize mesh data structures
- m_dwNumMaterials = 0;
- m_pMeshTextures = NULL;
- m_pMeshMaterials = NULL;
- }
-
- //-----------------------------------------------------------------------------
- // Name: OneTimeSceneInit()
- // Desc: Called during initial app startup, this function performs all the
- // permanent initialization.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::OneTimeSceneInit()
- {
- // Set cursor to indicate that user can move the object with the mouse
- #ifdef _WIN64
- SetClassLongPtr( m_hWnd, GCLP_HCURSOR, (LONG_PTR)LoadCursor( NULL, IDC_SIZEALL ) );
- #else
- SetClassLong( m_hWnd, GCL_HCURSOR, (LONG)LoadCursor( NULL, IDC_SIZEALL ) );
- #endif
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: FrameMove()
- // Desc: Called once per frame, the call is the entry point for animating
- // the scene.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::FrameMove()
- {
- // Setup viewing postion from ArcBall
- D3DXMATRIX matTemp;
- D3DXMatrixTranslation( &m_matWorld, -m_vObjectCenter.x,
- -m_vObjectCenter.y,
- -m_vObjectCenter.z );
- D3DXMatrixMultiply( &m_matWorld, &m_matWorld, m_ArcBall.GetTranslationMatrix() );
- D3DXMatrixMultiply( &m_matWorld, &m_matWorld, m_ArcBall.GetRotationMatrix() );
-
- D3DXMatrixTranslation( &matTemp, -m_fObjectRadius * (m_cObjectsPerSide-1),//* 0.5f,
- -m_fObjectRadius * (m_cObjectsPerSide-1),//* 0.5f,
- 0 );
- D3DXMatrixMultiply( &m_matWorld, &m_matWorld, &matTemp );
-
- D3DXMATRIX matView;
- D3DXMatrixLookAtLH( &matView, &D3DXVECTOR3( 0, 0,-3.7f*m_fObjectRadius * m_cObjectsPerSide),
- &D3DXVECTOR3( 0, 0, 0 ),
- &D3DXVECTOR3( 0, 1, 0 ) );
- m_pd3dDevice->SetTransform( D3DTS_VIEW, &matView );
-
- return S_OK;
- }
-
- HRESULT CMyD3DApplication::DrawMeshData(SMeshData *pMeshData)
- {
- HRESULT hr;
- DWORD iCurFace;
-
- // Set and draw each of the materials in the mesh
- for( DWORD iMaterial=0; iMaterial < m_dwNumMaterials; iMaterial++ )
- {
- m_pd3dDevice->SetMaterial( &m_pMeshMaterials[iMaterial] );
- m_pd3dDevice->SetTexture( 0, m_pMeshTextures[iMaterial] );
-
- if( !m_bShowStrips && !m_bShowSingleStrip)
- {
- pMeshData->m_pMesh->DrawSubset( iMaterial );
- }
- else // drawing strips
- {
- DWORD dwFVF;
- DWORD cBytesPerVertex;
- DWORD iStrip;
-
- dwFVF = pMeshData->m_pMesh->GetFVF();
- cBytesPerVertex = D3DXGetFVFVertexSize(dwFVF);
-
- m_pd3dDevice->SetVertexShader(dwFVF);
- m_pd3dDevice->SetStreamSource(0, pMeshData->m_pVertexBuffer, cBytesPerVertex);
-
- if(m_bShowSingleStrip)
- {
- m_pd3dDevice->SetIndices(pMeshData->m_rgStripData[iMaterial].m_pStrips, 0);
-
- hr = m_pd3dDevice->DrawIndexedPrimitive(D3DPT_TRIANGLESTRIP,
- 0, pMeshData->m_pMesh->GetNumVertices(),
- 0, pMeshData->m_rgStripData[iMaterial].m_cStripIndices - 2);
- if (FAILED(hr))
- return hr;
- }
- else
- {
- m_pd3dDevice->SetIndices(pMeshData->m_rgStripData[iMaterial].m_pStripsMany, 0);
-
- iCurFace = 0;
- for (iStrip = 0; iStrip < pMeshData->m_rgStripData[iMaterial].m_cStrips; iStrip++)
- {
- hr = m_pd3dDevice->DrawIndexedPrimitive(D3DPT_TRIANGLESTRIP,
- 0, pMeshData->m_pMesh->GetNumVertices(),
- iCurFace, pMeshData->m_rgStripData[iMaterial].m_rgcStripLengths[iStrip]);
- if (FAILED(hr))
- return hr;
- iCurFace += 2 + pMeshData->m_rgStripData[iMaterial].m_rgcStripLengths[iStrip];
- }
- }
- }
- }
-
- return S_OK;
- }
-
-
- //-----------------------------------------------------------------------------
- // Name: Render()
- // Desc: Called once per frame, the call is the entry point for 3d
- // rendering. This function sets up render states, clears the
- // viewport, and renders the scene.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::Render()
- {
- DWORD xOffset;
- DWORD yOffset;
- D3DXMATRIX matWorld;
- D3DXMATRIX matTemp;
- DWORD cTriangles = 0;
- FLOAT fTrisPerSec;
- TCHAR strInfo[120];
- TCHAR *szOptString;
-
- // Clear the scene
- m_pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER,
- 0x000000ff, 1.0f, 0x00000000 );
-
- // Draw scene
- if( SUCCEEDED( m_pd3dDevice->BeginScene() ) )
- {
- for (xOffset = 0; xOffset < m_cObjectsPerSide; xOffset++)
- {
- for (yOffset = 0; yOffset < m_cObjectsPerSide; yOffset++)
- {
- D3DXMatrixTranslation( &matTemp, m_fObjectRadius * xOffset * 2,
- m_fObjectRadius * yOffset * 2,
- 0 );
- D3DXMatrixMultiply( &matWorld, &m_matWorld, &matTemp );
- m_pd3dDevice->SetTransform( D3DTS_WORLD, &matWorld );
-
- if (m_bShowVertexCacheOptimized)
- DrawMeshData(&m_MeshVertexCacheOptimized);
- else if (m_bShowStripReordered)
- DrawMeshData(&m_MeshStripReordered);
- else
- DrawMeshData(&m_MeshAttrSorted);
- }
- }
-
- // Calculate and show triangles per sec, a reasonable throughput number
- if (m_MeshAttrSorted.m_pMesh != NULL)
- cTriangles = m_MeshAttrSorted.m_pMesh->GetNumFaces() * m_cObjectsPerSide * m_cObjectsPerSide;
- else
- cTriangles = 0;
-
- fTrisPerSec = m_fFPS * cTriangles;
-
- if (m_bShowVertexCacheOptimized)
- szOptString = _T("VCache Optimized");
- else if (m_bShowStripReordered)
- szOptString = _T("Strip Reordered");
- else
- szOptString = _T("Unoptimized");
-
- // Output statistics
- wsprintf( strInfo, _T("%s, %ld tris per sec, %ld triangles"),
- szOptString, (DWORD)fTrisPerSec, cTriangles);
-
- m_pFont->DrawText( 2, 0, D3DCOLOR_ARGB(255,255,255,0), m_strFrameStats );
- m_pFont->DrawText( 2, 20, D3DCOLOR_ARGB(255,255,255,0), m_strDeviceStats );
- m_pFont->DrawText( 2, 40, D3DCOLOR_ARGB(255,255,255,0), strInfo);
-
-
- m_pd3dDevice->EndScene();
- }
-
- return S_OK;
- }
-
-
-
- HRESULT CMyD3DApplication::LoadMeshData
- (
- LPD3DXMESH *ppMesh,
- LPD3DXBUFFER *ppAdjacencyBuffer
- )
- {
- LPDIRECT3DVERTEXBUFFER8 pMeshVB = NULL;
- LPD3DXBUFFER pD3DXMtrlBuffer = NULL;
- BYTE* pVertices;
- TCHAR strMesh[512];
- HRESULT hr = S_OK;
- BOOL bNormalsInFile;
- LPD3DXMESH pMeshSysMem = NULL;
- LPD3DXMESH pMeshTemp;
- DWORD *rgdwAdjacencyTemp = NULL;
- DWORD i;
- D3DXMATERIAL* d3dxMaterials;
- DWORD dw32Bit;
-
- // Get a path to the media file
- DXUtil_FindMediaFile( strMesh, m_strMeshFilename );
-
- // Load the mesh from the specified file
- hr = D3DXLoadMeshFromX( strMesh, D3DXMESH_SYSTEMMEM, m_pd3dDevice,
- ppAdjacencyBuffer, &pD3DXMtrlBuffer,
- &m_dwNumMaterials, &pMeshSysMem );
- if( FAILED(hr) )
- goto End;
-
- // remember if the mesh is 32 or 16 bit, to be added in on the clones
- dw32Bit = pMeshSysMem->GetOptions() & D3DXMESH_32BIT;
-
- // Get the array of materials out of the returned buffer, and allocate a texture array
- d3dxMaterials = (D3DXMATERIAL*)pD3DXMtrlBuffer->GetBufferPointer();
- m_pMeshMaterials = new D3DMATERIAL8[m_dwNumMaterials];
- m_pMeshTextures = new LPDIRECT3DTEXTURE8[m_dwNumMaterials];
-
- for( i=0; i<m_dwNumMaterials; i++ )
- {
- m_pMeshMaterials[i] = d3dxMaterials[i].MatD3D;
- m_pMeshMaterials[i].Ambient = m_pMeshMaterials[i].Diffuse;
- m_pMeshTextures[i] = NULL;
-
- // Get a path to the texture
- TCHAR strPath[512];
- if (d3dxMaterials[i].pTextureFilename != NULL)
- {
- DXUtil_FindMediaFile( strPath, d3dxMaterials[i].pTextureFilename );
-
- // Load the texture
- D3DXCreateTextureFromFile( m_pd3dDevice, strPath, &m_pMeshTextures[i] );
- }
- }
-
- // Done with the material buffer
- SAFE_RELEASE( pD3DXMtrlBuffer );
-
- // Lock the vertex buffer, to generate a simple bounding sphere
- hr = pMeshSysMem->GetVertexBuffer( &pMeshVB );
- if( SUCCEEDED(hr) )
- {
- hr = pMeshVB->Lock( 0, 0, &pVertices, D3DLOCK_NOSYSLOCK );
- if( SUCCEEDED(hr) )
- {
- hr = D3DXComputeBoundingSphere( pVertices, pMeshSysMem->GetNumVertices(),
- pMeshSysMem->GetFVF(),
- &m_vObjectCenter, &m_fObjectRadius );
- pMeshVB->Unlock();
- }
- pMeshVB->Release();
- }
- if( FAILED(hr) )
- goto End;
-
- // remember if there were normals in the file, before possible clone operation
- bNormalsInFile = pMeshSysMem->GetFVF() & D3DFVF_NORMAL;
-
- // if using 32byte vertices, check fvf
- if (m_bForce32ByteFVF)
- {
- // force 32 byte vertices
- if (pMeshSysMem->GetFVF() != (D3DFVF_XYZ|D3DFVF_NORMAL|D3DFVF_TEX1))
- {
- hr = pMeshSysMem->CloneMeshFVF( pMeshSysMem->GetOptions(), D3DFVF_XYZ|D3DFVF_NORMAL|D3DFVF_TEX1,
- m_pd3dDevice, &pMeshTemp );
- if( FAILED(hr) )
- goto End;
-
- pMeshSysMem->Release();
- pMeshSysMem = pMeshTemp;
- }
- }
- // otherwise, just make sure that there is a normal mesh
- else if ( !(pMeshSysMem->GetFVF() & D3DFVF_NORMAL) )
- {
- hr = pMeshSysMem->CloneMeshFVF( pMeshSysMem->GetOptions(), pMeshSysMem->GetFVF() | D3DFVF_NORMAL,
- m_pd3dDevice, &pMeshTemp );
- if (FAILED(hr))
- return hr;
-
- pMeshSysMem->Release();
- pMeshSysMem = pMeshTemp;
- }
-
-
- // Compute normals for the mesh, if not present
- if (!bNormalsInFile)
- {
- D3DXComputeNormals( pMeshSysMem, NULL );
- }
-
- *ppMesh = pMeshSysMem;
- pMeshSysMem = NULL;
-
- End:
- SAFE_RELEASE( pMeshSysMem );
-
- return hr;
- }
-
- HRESULT CMyD3DApplication::OptimizeMeshData
- (
- LPD3DXMESH pMeshSysMem,
- LPD3DXBUFFER pAdjacencyBuffer,
- DWORD dwOptFlags,
- SMeshData *pMeshData
- )
- {
- HRESULT hr = S_OK;
- LPD3DXBUFFER pbufTemp = NULL;
- DWORD iMaterial;
-
- // attribute sort - the un-optimized mesh option
- // remember the adjacency for the vertex cache optimization
- hr = pMeshSysMem->Optimize( dwOptFlags|D3DXMESH_SYSTEMMEM,
- (DWORD*)pAdjacencyBuffer->GetBufferPointer(),
- NULL, NULL, NULL, &pMeshData->m_pMeshSysMem);
- if( FAILED(hr) )
- goto End;
-
- pMeshData->m_cStripDatas = m_dwNumMaterials;
- pMeshData->m_rgStripData = new SStripData[pMeshData->m_cStripDatas];
- if (pMeshData->m_rgStripData == NULL)
- {
- hr = E_OUTOFMEMORY;
- goto End;
- }
-
- for (iMaterial = 0; iMaterial < m_dwNumMaterials; iMaterial++)
- {
- hr = D3DXConvertMeshSubsetToSingleStrip(pMeshData->m_pMeshSysMem, iMaterial,
- D3DXMESH_IB_MANAGED, &pMeshData->m_rgStripData[iMaterial].m_pStrips,
- &pMeshData->m_rgStripData[iMaterial].m_cStripIndices);
- if (FAILED(hr))
- goto End;
-
- hr = D3DXConvertMeshSubsetToStrips(pMeshData->m_pMeshSysMem, iMaterial,
- D3DXMESH_IB_MANAGED, &pMeshData->m_rgStripData[iMaterial].m_pStripsMany,
- NULL, &pbufTemp, &pMeshData->m_rgStripData[iMaterial].m_cStrips);
- if (FAILED(hr))
- goto End;
-
- pMeshData->m_rgStripData[iMaterial].m_rgcStripLengths = new DWORD[pMeshData->m_rgStripData[iMaterial].m_cStrips];
- if (pMeshData->m_rgStripData[iMaterial].m_rgcStripLengths == NULL)
- {
- hr = E_OUTOFMEMORY;
- goto End;
- }
- memcpy(pMeshData->m_rgStripData[iMaterial].m_rgcStripLengths, pbufTemp->GetBufferPointer(), sizeof(DWORD)*pMeshData->m_rgStripData[iMaterial].m_cStrips);
-
- }
-
- End:
- SAFE_RELEASE(pbufTemp);
-
- return hr;
- }
-
- //-----------------------------------------------------------------------------
- // Name: InitDeviceObjects()
- // Desc: Initialize scene objects.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::InitDeviceObjects()
- {
- HRESULT hr = S_OK;
- LPD3DXMESH pMeshSysMem = NULL;
- LPD3DXBUFFER pAdjacencyBuffer = NULL;
-
- // Initialize the font
- m_pFont->InitDeviceObjects( m_pd3dDevice );
-
- // check current display setting
- CheckMenuItem( GetMenu(m_hWnd), ID_OPTIONS_DISPLAY1 + (m_cObjectsPerSide-1), MF_CHECKED );
- CheckMenuItem( GetMenu(m_hWnd), IDM_SHOWNONOPTIMIZEDMESH, (!m_bShowStripReordered && !m_bShowVertexCacheOptimized) ? MF_CHECKED : MF_UNCHECKED );
- CheckMenuItem( GetMenu(m_hWnd), IDM_SHOWVCACHEOPTIMIZED, m_bShowVertexCacheOptimized ? MF_CHECKED : MF_UNCHECKED );
- CheckMenuItem( GetMenu(m_hWnd), IDM_SHOWSTRIPREORDERED, m_bShowStripReordered ? MF_CHECKED : MF_UNCHECKED );
- CheckMenuItem( GetMenu(m_hWnd), IDM_SHOWTRILIST, (!m_bShowStrips && !m_bShowSingleStrip) ? MF_CHECKED : MF_UNCHECKED );
- CheckMenuItem( GetMenu(m_hWnd), IDM_SHOWONESTRIP, m_bShowSingleStrip ? MF_CHECKED : MF_UNCHECKED );
- CheckMenuItem( GetMenu(m_hWnd), IDM_SHOWMANYSTRIPS, m_bShowStrips ? MF_CHECKED : MF_UNCHECKED );
-
- CheckMenuItem( GetMenu(m_hWnd), IDM_DYNAMICVB, (m_dwMemoryOptions == D3DXMESH_DYNAMIC) ? MF_CHECKED : MF_UNCHECKED );
- CheckMenuItem( GetMenu(m_hWnd), IDM_FORCE32BYTEVERTEX, m_bForce32ByteFVF ? MF_CHECKED : MF_UNCHECKED );
-
- hr = LoadMeshData(&pMeshSysMem, &pAdjacencyBuffer);
- if (FAILED(hr))
- {
- // ignore load errors, just draw blank screen if mesh is invalid
- hr = S_OK;
- goto End;
- }
-
- hr = OptimizeMeshData(pMeshSysMem, pAdjacencyBuffer, D3DXMESHOPT_ATTRSORT, &m_MeshAttrSorted);
- if (FAILED(hr))
- goto End;
-
- hr = OptimizeMeshData(pMeshSysMem, pAdjacencyBuffer, D3DXMESHOPT_STRIPREORDER, &m_MeshStripReordered);
- if (FAILED(hr))
- goto End;
-
- hr = OptimizeMeshData(pMeshSysMem, pAdjacencyBuffer, D3DXMESHOPT_VERTEXCACHE, &m_MeshVertexCacheOptimized);
- if (FAILED(hr))
- goto End;
-
- End:
- SAFE_RELEASE( pMeshSysMem );
- SAFE_RELEASE( pAdjacencyBuffer );
-
- return hr;
- }
-
- HRESULT CMyD3DApplication::UpdateLocalMeshes(SMeshData *pMeshData)
- {
- HRESULT hr = S_OK;
-
- // if a mesh was loaded, update the local meshes
- if (pMeshData->m_pMeshSysMem != NULL)
- {
- hr = pMeshData->m_pMeshSysMem->CloneMeshFVF( m_dwMemoryOptions|D3DXMESH_VB_WRITEONLY, pMeshData->m_pMeshSysMem->GetFVF(),
- m_pd3dDevice, &pMeshData->m_pMesh );
- if (FAILED(hr))
- goto End;
-
- hr = pMeshData->m_pMesh->GetVertexBuffer(&pMeshData->m_pVertexBuffer);
- if (FAILED(hr))
- goto End;
-
- }
-
- End:
- return hr;
- }
-
- //-----------------------------------------------------------------------------
- // Name: RestoreDeviceObjects()
- // Desc: Initialize scene objects.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::RestoreDeviceObjects()
- {
- m_pFont->RestoreDeviceObjects();
-
- // Setup render state
- m_pd3dDevice->SetRenderState( D3DRS_LIGHTING, TRUE );
- m_pd3dDevice->SetRenderState( D3DRS_DITHERENABLE, TRUE );
- m_pd3dDevice->SetRenderState( D3DRS_ZENABLE, TRUE );
- m_pd3dDevice->SetTextureStageState( 0, D3DTSS_MAGFILTER, D3DTEXF_LINEAR );
- m_pd3dDevice->SetTextureStageState( 0, D3DTSS_MINFILTER, D3DTEXF_LINEAR );
-
- // Setup the light
- D3DLIGHT8 light;
- light.Type = D3DLIGHT_DIRECTIONAL;
- light.Diffuse.r = light.Diffuse.g = light.Diffuse.b = 1.0f;
- light.Specular.r = light.Specular.g = light.Specular.b = 0.0f;
- light.Ambient.r = light.Ambient.g = light.Ambient.b = 0.3f;
- light.Position = D3DXVECTOR3( 0.0f, 0.0f, 0.0f );
- D3DXVec3Normalize( (D3DXVECTOR3*)&light.Direction, &D3DXVECTOR3( 0.3f, -1.0f, 1.0f ) );
- light.Attenuation0 = light.Attenuation1 = light.Attenuation2 = 0.0f;
- light.Range = sqrtf(FLT_MAX);
- m_pd3dDevice->SetLight(0, &light );
- m_pd3dDevice->LightEnable(0, TRUE );
-
- m_ArcBall.SetWindow( m_d3dsdBackBuffer.Width, m_d3dsdBackBuffer.Height, 0.85f );
- m_ArcBall.SetRadius( m_fObjectRadius );
-
- FLOAT fAspect = m_d3dsdBackBuffer.Width / (FLOAT)m_d3dsdBackBuffer.Height;
-
- D3DXMATRIX matProj;
- D3DXMatrixPerspectiveFovLH( &matProj, D3DX_PI/4, fAspect, m_fObjectRadius/64.0f,
- m_fObjectRadius*200.0f);
- m_pd3dDevice->SetTransform( D3DTS_PROJECTION, &matProj );
-
- // update the local copies of the meshes
- UpdateLocalMeshes(&m_MeshAttrSorted);
- UpdateLocalMeshes(&m_MeshStripReordered);
- UpdateLocalMeshes(&m_MeshVertexCacheOptimized);
-
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: InvalidateDeviceObjects()
- // Desc:
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::InvalidateDeviceObjects()
- {
- m_pFont->InvalidateDeviceObjects();
-
- m_MeshAttrSorted.ReleaseLocalMeshes();
- m_MeshStripReordered.ReleaseLocalMeshes();
- m_MeshVertexCacheOptimized.ReleaseLocalMeshes();
-
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: DeleteDeviceObjects()
- // Desc: Called when the app is exiting, or the device is being changed,
- // this function deletes any device dependent objects.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::DeleteDeviceObjects()
- {
- m_pFont->DeleteDeviceObjects();
-
- for( UINT i=0; i<m_dwNumMaterials; i++ )
- SAFE_RELEASE( m_pMeshTextures[i] );
- SAFE_DELETE_ARRAY( m_pMeshTextures );
- SAFE_DELETE_ARRAY( m_pMeshMaterials );
-
- m_MeshAttrSorted.ReleaseAll();
- m_MeshStripReordered.ReleaseAll();
- m_MeshVertexCacheOptimized.ReleaseAll();
-
- m_dwNumMaterials = 0;
-
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: FinalCleanup()
- // Desc: Called during initial app startup, this function performs all the
- // permanent initialization.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::FinalCleanup()
- {
- SAFE_DELETE( m_pFont );
-
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: MsgProc()
- // Desc: Message proc function to handle key and menu input
- //-----------------------------------------------------------------------------
- LRESULT CMyD3DApplication::MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam,
- LPARAM lParam )
- {
- // Pass mouse messages to the ArcBall so it can build internal matrices
- m_ArcBall.HandleMouseMessages( hWnd, uMsg, wParam, lParam );
-
- // Trap the context menu
- if( WM_CONTEXTMENU==uMsg )
- return 0;
-
- if( uMsg == WM_COMMAND )
- {
- // Toggle mesh optimization
- if( LOWORD(wParam) == IDM_SHOWNONOPTIMIZEDMESH )
- {
- m_bShowVertexCacheOptimized = FALSE;
- m_bShowStripReordered = FALSE;
-
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWNONOPTIMIZEDMESH, MF_CHECKED );
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWVCACHEOPTIMIZED, MF_UNCHECKED );
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWSTRIPREORDERED, MF_UNCHECKED );
- }
- else if( LOWORD(wParam) == IDM_SHOWVCACHEOPTIMIZED )
- {
- m_bShowVertexCacheOptimized = TRUE;
- m_bShowStripReordered = FALSE;
-
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWNONOPTIMIZEDMESH, MF_UNCHECKED );
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWVCACHEOPTIMIZED, MF_CHECKED );
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWSTRIPREORDERED, MF_UNCHECKED );
- }
- else if( LOWORD(wParam) == IDM_SHOWSTRIPREORDERED )
- {
- m_bShowVertexCacheOptimized = FALSE;
- m_bShowStripReordered = TRUE;
-
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWNONOPTIMIZEDMESH, MF_UNCHECKED );
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWVCACHEOPTIMIZED, MF_UNCHECKED );
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWSTRIPREORDERED, MF_CHECKED );
- }
- // Toggle strips
- else if( LOWORD(wParam) == IDM_SHOWTRILIST )
- {
- m_bShowStrips = FALSE;
- m_bShowSingleStrip = FALSE;
-
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWTRILIST, MF_CHECKED );
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWONESTRIP, MF_UNCHECKED );
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWMANYSTRIPS, MF_UNCHECKED );
- }
- else if( LOWORD(wParam) == IDM_SHOWONESTRIP )
- {
- m_bShowStrips = FALSE;
- m_bShowSingleStrip = TRUE;
-
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWTRILIST, MF_UNCHECKED );
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWONESTRIP, MF_CHECKED );
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWMANYSTRIPS, MF_UNCHECKED );
- }
- else if( LOWORD(wParam) == IDM_SHOWMANYSTRIPS )
- {
- m_bShowStrips = TRUE;
- m_bShowSingleStrip = FALSE;
-
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWTRILIST, MF_UNCHECKED );
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWONESTRIP, MF_UNCHECKED );
- CheckMenuItem( GetMenu(hWnd), IDM_SHOWMANYSTRIPS, MF_CHECKED );
- }
- // Toggle vertex buffer mode
- else if( LOWORD(wParam) == IDM_DYNAMICVB )
- {
- if (m_dwMemoryOptions == D3DXMESH_DYNAMIC)
- {
- m_dwMemoryOptions = D3DXMESH_MANAGED;
- CheckMenuItem( GetMenu(hWnd), IDM_DYNAMICVB, MF_UNCHECKED );
- }
- else
- {
- m_dwMemoryOptions = D3DXMESH_DYNAMIC;
- CheckMenuItem( GetMenu(hWnd), IDM_DYNAMICVB, MF_CHECKED );
- }
- // Destroy and recreate everything
- InvalidateDeviceObjects();
- RestoreDeviceObjects();
- }
- else if( LOWORD(wParam) == IDM_FORCE32BYTEVERTEX )
- {
- m_bForce32ByteFVF = !m_bForce32ByteFVF;
-
- CheckMenuItem( GetMenu(hWnd), IDM_FORCE32BYTEVERTEX, m_bForce32ByteFVF ? MF_CHECKED : MF_UNCHECKED );
-
- // Destroy and recreate everything
- InvalidateDeviceObjects();
- DeleteDeviceObjects();
- InitDeviceObjects();
- RestoreDeviceObjects();
- }
- // Handle the open file command
- else if( LOWORD(wParam) == IDM_OPENFILE )
- {
- TCHAR g_strFilename[512] = _T("");
-
- // Display the OpenFileName dialog. Then, try to load the specified file
- OPENFILENAME ofn = { sizeof(OPENFILENAME), NULL, NULL,
- _T(".X Files (.x)\0*.x\0\0"),
- NULL, 0, 1, m_strMeshFilename, 512, g_strFilename, 512,
- m_strInitialDir, _T("Open Mesh File"),
- OFN_FILEMUSTEXIST, 0, 1, NULL, 0, NULL, NULL };
-
- if( TRUE == GetOpenFileName( &ofn ) )
- {
- _tcscpy( m_strInitialDir, m_strMeshFilename );
- TCHAR* pLastSlash = _tcsrchr( m_strInitialDir, _T('\\') );
- if( pLastSlash )
- *pLastSlash = 0;
- SetCurrentDirectory( m_strInitialDir );
-
- // Destroy and recreate everything
- InvalidateDeviceObjects();
- DeleteDeviceObjects();
- InitDeviceObjects();
- RestoreDeviceObjects();
- }
- }
-
- else if ((LOWORD(wParam) >= ID_OPTIONS_DISPLAY1) && (LOWORD(wParam) <= ID_OPTIONS_DISPLAY36))
- {
- // uncheck old item
- CheckMenuItem( GetMenu(hWnd), ID_OPTIONS_DISPLAY1 + (m_cObjectsPerSide-1), MF_UNCHECKED );
-
- // calc new item
- m_cObjectsPerSide = LOWORD(wParam) - ID_OPTIONS_DISPLAY1 + 1;
-
- // check new item
- CheckMenuItem( GetMenu(hWnd), ID_OPTIONS_DISPLAY1 + (m_cObjectsPerSide-1), MF_CHECKED );
- }
- }
-
- return CD3DApplication::MsgProc( hWnd, uMsg, wParam, lParam );
- }
-
-
-
-