[saco] Implement CDXUTResourceCache member functions

saco/d3d9/common/DXUTmisc.cpp

@@ -12,6 +12,12 @@
 //--------------------------------------------------------------------------------------
 // Global/Static Members
 //--------------------------------------------------------------------------------------
+CDXUTResourceCache& DXUTGetGlobalResourceCache()
+{
+    // Using an accessor function gives control of the construction order
+    static CDXUTResourceCache cache;
+    return cache;
+}
 CDXUTTimer* DXUTGetGlobalTimer()
 {
     // Using an accessor function gives control of the construction order
@@ -321,6 +327,77 @@ bool DXUTFindMediaSearchParentDirs( TCHAR* strSearchPath, int cchSearch, TCHAR*
 }
 
 
+//--------------------------------------------------------------------------------------
+// CDXUTResourceCache
+//--------------------------------------------------------------------------------------
+
+CDXUTResourceCache::~CDXUTResourceCache()
+{
+    OnDestroyDevice();
+
+    m_TextureCache.RemoveAll();
+    m_EffectCache.RemoveAll();
+    m_FontCache.RemoveAll();
+}
+
+//--------------------------------------------------------------------------------------
+HRESULT CDXUTResourceCache::OnResetDevice( IDirect3DDevice9 *pd3dDevice )
+{
+    // Call OnResetDevice on all effect and font objects
+    for( int i = 0; i < m_EffectCache.GetSize(); ++i )
+        m_EffectCache[i].pEffect->OnResetDevice();
+    for( int i = 0; i < m_FontCache.GetSize(); ++i )
+        m_FontCache[i].pFont->OnResetDevice();
+
+
+    return S_OK;
+}
+
+
+//--------------------------------------------------------------------------------------
+HRESULT CDXUTResourceCache::OnLostDevice()
+{
+    // Call OnLostDevice on all effect and font objects
+    for( int i = 0; i < m_EffectCache.GetSize(); ++i )
+        m_EffectCache[i].pEffect->OnLostDevice();
+    for( int i = 0; i < m_FontCache.GetSize(); ++i )
+        m_FontCache[i].pFont->OnLostDevice();
+
+    // Release all the default pool textures
+    for( int i = m_TextureCache.GetSize() - 1; i >= 0; --i )
+        if( m_TextureCache[i].Pool == D3DPOOL_DEFAULT )
+        {
+            SAFE_RELEASE( m_TextureCache[i].pTexture );
+            m_TextureCache.Remove( i );  // Remove the entry
+        }
+
+    return S_OK;
+}
+
+
+//--------------------------------------------------------------------------------------
+HRESULT CDXUTResourceCache::OnDestroyDevice()
+{
+    // Release all resources
+    for( int i = m_EffectCache.GetSize() - 1; i >= 0; --i )
+    {
+        SAFE_RELEASE( m_EffectCache[i].pEffect );
+        m_EffectCache.Remove( i );
+    }
+    for( int i = m_FontCache.GetSize() - 1; i >= 0; --i )
+    {
+        SAFE_RELEASE( m_FontCache[i].pFont );
+        m_FontCache.Remove( i );
+    }
+    for( int i = m_TextureCache.GetSize() - 1; i >= 0; --i )
+    {
+        SAFE_RELEASE( m_TextureCache[i].pTexture );
+        m_TextureCache.Remove( i );
+    }
+
+    return S_OK;
+}
+
 
 //--------------------------------------------------------------------------------------
 // Direct3D9 dynamic linking support -- calls top-level D3D9 APIs with graceful

saco/d3d9/common/DXUTmisc.h

@@ -83,6 +83,70 @@ protected:
     LONGLONG m_llBaseTime;
 };
 
+
+//-----------------------------------------------------------------------------
+// Resource cache for textures, fonts, meshs, and effects.  
+// Use DXUTGetGlobalResourceCache() to access the global cache
+//-----------------------------------------------------------------------------
+
+enum DXUTCACHE_SOURCELOCATION { DXUTCACHE_LOCATION_FILE, DXUTCACHE_LOCATION_RESOURCE };
+
+struct DXUTCache_Texture
+{
+    DXUTCACHE_SOURCELOCATION Location;
+    TCHAR wszSource[MAX_PATH];
+    HMODULE hSrcModule;
+    UINT Width;
+    UINT Height;
+    UINT Depth;
+    UINT MipLevels;
+    DWORD Usage;
+    D3DFORMAT Format;
+    D3DPOOL Pool;
+    D3DRESOURCETYPE Type;
+    IDirect3DBaseTexture9 *pTexture;
+};
+
+struct DXUTCache_Font : public D3DXFONT_DESC
+{
+    ID3DXFont *pFont;
+};
+
+struct DXUTCache_Effect
+{
+    DXUTCACHE_SOURCELOCATION Location;
+    TCHAR wszSource[MAX_PATH];
+    HMODULE hSrcModule;
+    DWORD dwFlags;
+    ID3DXEffect *pEffect;
+};
+
+
+class CDXUTResourceCache
+{
+public:
+    ~CDXUTResourceCache();
+
+
+public:
+    HRESULT OnResetDevice( IDirect3DDevice9 *pd3dDevice );
+    HRESULT OnLostDevice();
+    HRESULT OnDestroyDevice();
+
+protected:
+    friend CDXUTResourceCache& DXUTGetGlobalResourceCache();
+    friend HRESULT DXUTInitialize3DEnvironment();
+    friend HRESULT DXUTReset3DEnvironment();
+    friend void DXUTCleanup3DEnvironment( bool bReleaseSettings );
+
+    CDXUTResourceCache() { }
+
+    CGrowableArray< DXUTCache_Texture > m_TextureCache;
+    CGrowableArray< DXUTCache_Effect > m_EffectCache;
+    CGrowableArray< DXUTCache_Font > m_FontCache;
+};
+
+CDXUTResourceCache& DXUTGetGlobalResourceCache();
 //--------------------------------------------------------------------------------------
 // Implementation of CGrowableArray
 //--------------------------------------------------------------------------------------