//! Regenerates the mip map levels of the texture. Useful after locking and
//! modifying the texture
void CD3D8Texture::regenerateMipMapLevels(void* mipmapData)
{
if (mipmapData)
{
core::dimension2du size = TextureSize;
u32 level=0;
do
{
if (size.Width>1)
size.Width /=2;
if (size.Height>1)
size.Height /=2;
++level;
IDirect3DSurface8* mipSurface = 0;
HRESULT hr = Texture->GetSurfaceLevel(level, &mipSurface);
if (FAILED(hr) || !mipSurface)
{
os::Printer::log("Could not get mipmap level", ELL_WARNING);
return;
}
D3DSURFACE_DESC mipDesc;
mipSurface->GetDesc(&mipDesc);
D3DLOCKED_RECT miplr;
// lock mipmap surface
if (FAILED(mipSurface->LockRect(&miplr, NULL, 0)))
{
mipSurface->Release();
os::Printer::log("Could not lock texture", ELL_WARNING);
return;
}
memcpy(miplr.pBits, mipmapData, size.getArea()*getPitch()/TextureSize.Width);
mipmapData = (u8*)mipmapData+size.getArea()*getPitch()/TextureSize.Width;
// unlock
mipSurface->UnlockRect();
// release
mipSurface->Release();
} while (size.Width != 1 || size.Height != 1);
}
else if (HasMipMaps)
{
// create mip maps.
#ifndef _IRR_USE_D3DXFilterTexture_
// The D3DXFilterTexture function seems to get linked wrong when
// compiling with both D3D8 and 9, causing it not to work in the D3D9 device.
// So mipmapgeneration is replaced with my own bad generation in d3d 8 when
// compiling with both D3D 8 and 9.
HRESULT hr = D3DXFilterTexture(Texture, NULL, D3DX_DEFAULT , D3DX_DEFAULT );
if (FAILED(hr))
#endif
createMipMaps();
}
}
RageSurface* RageDisplay_D3D::CreateScreenshot()
{
#if defined(XBOX)
return NULL;
#else
/* Get the back buffer. */
IDirect3DSurface8* pSurface;
g_pd3dDevice->GetBackBuffer( 0, D3DBACKBUFFER_TYPE_MONO, &pSurface );
/* Get the back buffer description. */
D3DSURFACE_DESC desc;
pSurface->GetDesc( &desc );
/* Copy the back buffer into a surface of a type we support. */
IDirect3DSurface8* pCopy;
g_pd3dDevice->CreateImageSurface( desc.Width, desc.Height, D3DFMT_A8R8G8B8, &pCopy );
D3DXLoadSurfaceFromSurface( pCopy, NULL, NULL, pSurface, NULL, NULL, D3DX_DEFAULT, 0 );
pSurface->Release();
/* Update desc from the copy. */
pCopy->GetDesc( &desc );
D3DLOCKED_RECT lr;
{
RECT rect;
rect.left = 0;
rect.top = 0;
rect.right = desc.Width;
rect.bottom = desc.Height;
pCopy->LockRect( &lr, &rect, D3DLOCK_READONLY );
}
RageSurface *surface = CreateSurfaceFromPixfmt( FMT_RGBA8, lr.pBits, desc.Width, desc.Height, lr.Pitch);
ASSERT( surface );
/* We need to make a copy, since lr.pBits will go away when we call UnlockRect(). */
RageSurface *SurfaceCopy =
CreateSurface( surface->w, surface->h,
surface->format->BitsPerPixel,
surface->format->Rmask, surface->format->Gmask,
surface->format->Bmask, surface->format->Amask );
RageSurfaceUtils::CopySurface( surface, SurfaceCopy );
delete surface;
pCopy->UnlockRect();
pCopy->Release();
return SurfaceCopy;
#endif
}
RageSurface* RageDisplay_D3D::CreateScreenshot()
{
// Get the back buffer.
IDirect3DSurface8* pSurface;
g_pd3dDevice->GetBackBuffer( 0, D3DBACKBUFFER_TYPE_MONO, &pSurface );
// Get the back buffer description.
D3DSURFACE_DESC desc;
pSurface->GetDesc( &desc );
// Copy the back buffer into a surface of a type we support.
IDirect3DSurface8* pCopy;
g_pd3dDevice->CreateImageSurface( desc.Width, desc.Height, D3DFMT_A8R8G8B8, &pCopy );
// Aldo_MX: D3DXLoadSurfaceFromSurface requires d3dx8core.h, I replaced it with CopyRects to
// remove this dependency so its possible to compile SM with any DirectX SDK up to Aug 2007
D3DXLoadSurfaceFromSurface( pCopy, NULL, NULL, pSurface, NULL, NULL, D3DX_DEFAULT, 0 );
//g_pd3dDevice->CopyRects( pSurface, NULL, 0, pCopy, NULL );
pSurface->Release();
// Update desc from the copy.
pCopy->GetDesc( &desc );
D3DLOCKED_RECT lr;
{
RECT rect;
rect.left = 0;
rect.top = 0;
rect.right = desc.Width;
rect.bottom = desc.Height;
pCopy->LockRect( &lr, &rect, D3DLOCK_READONLY );
}
RageSurface *surface = CreateSurfaceFromPixfmt( PixelFormat_RGBA8, lr.pBits, desc.Width, desc.Height, lr.Pitch);
ASSERT( surface );
// We need to make a copy, since lr.pBits will go away when we call UnlockRect().
RageSurface *SurfaceCopy =
CreateSurface( surface->w, surface->h,
surface->format->BitsPerPixel,
surface->format->Rmask, surface->format->Gmask,
surface->format->Bmask, surface->format->Amask );
RageSurfaceUtils::CopySurface( surface, SurfaceCopy );
delete surface;
pCopy->UnlockRect();
pCopy->Release();
return SurfaceCopy;
}
static void d3d8_shmem_capture_copy(int idx)
{
IDirect3DSurface8 *target = data.copy_surfaces[idx];
D3DLOCKED_RECT rect;
HRESULT hr;
if (data.surface_locked[idx])
return;
hr = target->LockRect(&rect, nullptr, D3DLOCK_READONLY);
if (SUCCEEDED(hr)) {
shmem_copy_data(idx, rect.pBits);
}
}
// The D3DXFilterTexture function seems to get linked wrong when
// compiling with both D3D8 and 9, causing it not to work in the D3D9 device.
// So mipmapgeneration is replaced with my own bad generation in d3d 8 when
// compiling with both D3D 8 and 9.
bool CD3D8Texture::createMipMaps(u32 level)
{
if (level==0)
return true;
IDirect3DSurface8* upperSurface = 0;
IDirect3DSurface8* lowerSurface = 0;
// get upper level
HRESULT hr = Texture->GetSurfaceLevel(level-1, &upperSurface);
if (FAILED(hr) || !upperSurface)
{
os::Printer::log("Could not get upper surface level for mip map generation", ELL_WARNING);
return false;
}
// get lower level
hr = Texture->GetSurfaceLevel(level, &lowerSurface);
if (FAILED(hr) || !lowerSurface)
{
os::Printer::log("Could not get lower surface level for mip map generation", ELL_WARNING);
upperSurface->Release();
return false;
}
D3DSURFACE_DESC upperDesc, lowerDesc;
upperSurface->GetDesc(&upperDesc);
lowerSurface->GetDesc(&lowerDesc);
D3DLOCKED_RECT upperlr;
D3DLOCKED_RECT lowerlr;
// lock upper surface
if (FAILED(upperSurface->LockRect(&upperlr, NULL, 0)))
{
os::Printer::log("Could not lock upper texture for mip map generation", ELL_WARNING);
upperSurface->Release();
lowerSurface->Release();
return false;
}
// lock lower surface
if (FAILED(lowerSurface->LockRect(&lowerlr, NULL, 0)))
{
os::Printer::log("Could not lock lower texture for mip map generation", ELL_WARNING);
upperSurface->UnlockRect();
upperSurface->Release();
lowerSurface->Release();
return false;
}
if (upperDesc.Format != lowerDesc.Format)
{
os::Printer::log("Cannot copy mip maps with different formats.", ELL_WARNING);
}
else
{
if (upperDesc.Format == D3DFMT_A1R5G5B5)
copy16BitMipMap((char*)upperlr.pBits, (char*)lowerlr.pBits,
lowerDesc.Width, lowerDesc.Height,
upperlr.Pitch, lowerlr.Pitch);
else
if (upperDesc.Format == D3DFMT_A8R8G8B8)
copy32BitMipMap((char*)upperlr.pBits, (char*)lowerlr.pBits,
lowerDesc.Width, lowerDesc.Height,
upperlr.Pitch, lowerlr.Pitch);
else
os::Printer::log("Unsupported mipmap format, cannot copy.", ELL_WARNING);
}
bool result=true;
// unlock
if (FAILED(upperSurface->UnlockRect()))
result=false;
if (FAILED(lowerSurface->UnlockRect()))
result=false;
// release
upperSurface->Release();
lowerSurface->Release();
if (!result || upperDesc.Width < 3 || upperDesc.Height < 3)
return result; // stop generating levels
// generate next level
return createMipMaps(level+1);
}
IDirect3DSurface8* loadBitmap(LPCSTR filename, D3DFORMAT format) {
//Comme d'habitude on va utiliser GDI, donc on commence par créer un DC
HDC hdc = CreateCompatibleDC ( NULL ) ;
//ensuite on peut charger l'image
HBITMAP hbmNew = ( HBITMAP ) LoadImage ( NULL , filename, IMAGE_BITMAP , 0 , 0 , LR_LOADFROMFILE ) ;
//on récupère les dimensions de l'image
BITMAP bmp ;
GetObject ( hbmNew , sizeof ( BITMAP ) , &bmp );
//et on sélectionne l'image dans notre dc
HBITMAP hbmOld = ( HBITMAP ) SelectObject ( hdc , hbmNew ) ;
//nous pouvons maintenant créer l'image surface pour D3D en spécifiante la taille de l'image
IDirect3DSurface8* pSurface ;
if (FAILED(_dd3dInter->CreateImageSurface ( bmp.bmWidth , bmp.bmHeight , format , &pSurface )))
MessageBox(NULL, "erreur", "erreur", MB_OK);
//on récupère les formats pour chaque couleur
DWORD dwRShiftL = 8 - GetFormatRBits ( format ) ;
DWORD dwGShiftL = 8 - GetFormatGBits ( format ) ;
DWORD dwBShiftL = 8 - GetFormatBBits ( format ) ;
DWORD dwRShiftR = GetFormatGBits ( format ) + GetFormatBBits ( format ) ;
DWORD dwGShiftR = GetFormatBBits ( format ) ;
//nous pouvons maintenant calculer les bits par pixel
DWORD dwBytesPerPixel = ( GetFormatXBits ( format ) + GetFormatABits ( format ) + GetFormatRBits ( format ) + GetFormatGBits ( format ) + GetFormatBBits ( format ) ) / 8 ;
//quelques variables...
COLORREF crColor ;
DWORD dwColor ;
DWORD dwRed ;
DWORD dwGreen ;
DWORD dwBlue ;
DWORD dwPosition;
//nous avons tout ce qu'il faut maintenant pour remplir notre surface
D3DLOCKED_RECT lockrect ;
pSurface->LockRect ( &lockrect , NULL , 0 ) ;
BYTE* pbyBuffer = ( BYTE* ) lockrect.pBits ;
//on scanne l'image...
for ( int y = 0 ; y < bmp.bmHeight ; y ++ )
{
for ( int x = 0 ; x < bmp.bmWidth ; x ++ )
{
//récupération du pixel
crColor = GetPixel ( hdc , x , y ) ;
//calcule de sa position
dwPosition = y * lockrect.Pitch + x * dwBytesPerPixel ;
//récupération des couleurs
dwRed = GetRValue ( crColor ) ;
dwGreen = GetGValue ( crColor ) ;
dwBlue = GetBValue ( crColor ) ;
//convertions..
dwRed >>= dwRShiftL ;
dwGreen >>= dwGShiftL ;
dwBlue >>= dwBShiftL ;
dwRed <<=dwRShiftR ;
dwGreen <<=dwGShiftR ;
dwColor = dwRed | dwGreen | dwBlue ;
//nous pouvons enfin copier le pixel
memcpy ( &pbyBuffer [ dwPosition ] , &dwColor , dwBytesPerPixel ) ;
}
}
//unlock la surface
pSurface->UnlockRect ( ) ;
//restoration du DC
SelectObject ( hdc , hbmOld ) ;
//destruction de la bitmap
DeleteObject ( hbmNew ) ;
//destruction du dc
DeleteDC ( hdc ) ;
//retour du pointeur sur la surface créée
return ( pSurface ) ;
}
