// interface functions
void MFTexture_CreatePlatformSpecific(MFTexture *pTexture, bool generateMipChain)
{
MFTextureTemplateData *pTemplate = pTexture->pTemplateData;
// create texture
D3DFORMAT platformFormat = (D3DFORMAT)MFTexture_GetPlatformFormatID(pTemplate->imageFormat, MFDD_XBOX);
#if defined(XB_XGTEXTURES)
pTexture->pTexture = &pTexture->texture;
XGSetTextureHeader(pTemplate->pSurfaces[0].width, pTemplate->pSurfaces[0].height, 1, 0, platformFormat, 0, pTexture->pTexture, 0, 0);
pTexture->pTexture->Register(pTemplate->pSurfaces[0].pImageData);
if(pTemplate->imageFormat >= TexFmt_XB_A8R8G8B8s && pTemplate->imageFormat <= TexFmt_XB_R4G4B4A4s)
{
XGSwizzleRect(pTemplate->pSurfaces[0].pImageData, 0, NULL, pTemplate->pSurfaces[0].pImageData, pTemplate->pSurfaces[0].width, pTemplate->pSurfaces[0].height, NULL, pTemplate->pSurfaces[0].bitsPerPixel/8);
}
#else
HRESULT hr;
hr = D3DXCreateTexture(pd3dDevice, pTemplate->pSurfaces[0].width, pTemplate->pSurfaces[0].height, generateMipChain ? 0 : 1, 0, platformFormat, 0, &pTexture->pTexture);
MFDebug_Assert(hr != D3DERR_NOTAVAILABLE, MFStr("LoadTexture failed: D3DERR_NOTAVAILABLE, 0x%08X", hr));
MFDebug_Assert(hr != D3DERR_OUTOFVIDEOMEMORY, MFStr("LoadTexture failed: D3DERR_OUTOFVIDEOMEMORY, 0x%08X", hr));
MFDebug_Assert(hr != D3DERR_INVALIDCALL, MFStr("LoadTexture failed: D3DERR_INVALIDCALL, 0x%08X", hr));
MFDebug_Assert(hr != D3DXERR_INVALIDDATA, MFStr("LoadTexture failed: D3DXERR_INVALIDDATA, 0x%08X", hr));
MFDebug_Assert(hr == D3D_OK, MFStr("Failed to create texture '%s'.", pTexture->name));
// copy image data
D3DLOCKED_RECT rect;
pTexture->pTexture->LockRect(0, &rect, NULL, 0);
if(pTemplate->imageFormat >= TexFmt_XB_A8R8G8B8s && pTemplate->imageFormat <= TexFmt_XB_R4G4B4A4s)
{
XGSwizzleRect(pTemplate->pSurfaces[0].pImageData, 0, NULL, rect.pBits, pTemplate->pSurfaces[0].width, pTemplate->pSurfaces[0].height, NULL, pTemplate->pSurfaces[0].bitsPerPixel/8);
}
else
{
MFCopyMemory(rect.pBits, pTemplate->pSurfaces[0].pImageData, pTemplate->pSurfaces[0].bufferLength);
}
pTexture->pTexture->UnlockRect(0);
// filter mip levels
if(generateMipChain)
D3DXFilterTexture(pTexture->pTexture, NULL, 0, D3DX_DEFAULT);
#endif
}
void RageDisplay_D3D::UpdateTexture(
unsigned uTexHandle,
RageSurface* img,
int xoffset, int yoffset, int width, int height )
{
IDirect3DTexture9* pTex = (IDirect3DTexture9*)uTexHandle;
ASSERT( pTex != NULL );
RECT rect;
rect.left = xoffset;
rect.top = yoffset;
rect.right = width - xoffset;
rect.bottom = height - yoffset;
D3DLOCKED_RECT lr;
pTex->LockRect( 0, &lr, &rect, 0 );
D3DSURFACE_DESC desc;
pTex->GetLevelDesc(0, &desc);
ASSERT( xoffset+width <= int(desc.Width) );
ASSERT( yoffset+height <= int(desc.Height) );
//
// Copy bits
//
#if defined(XBOX)
// Xbox textures need to be swizzled
XGSwizzleRect(
img->pixels, // pSource,
img->pitch, // Pitch,
NULL, // pRect,
lr.pBits, // pDest,
img->w, // Width,
img->h, // Height,
NULL, // pPoint,
img->format->BytesPerPixel ); //BytesPerPixel
#else
int texpixfmt;
for(texpixfmt = 0; texpixfmt < NUM_PIX_FORMATS; ++texpixfmt)
if(D3DFORMATS[texpixfmt] == desc.Format) break;
ASSERT( texpixfmt != NUM_PIX_FORMATS );
RageSurface *Texture = CreateSurfaceFromPixfmt(RagePixelFormat(texpixfmt), lr.pBits, width, height, lr.Pitch);
ASSERT( Texture );
RageSurfaceUtils::Blit( img, Texture, width, height );
delete Texture;
#endif
pTex->UnlockRect( 0 );
}
//-----------------------------------------------------------------------------
// Name: XBUtil_SwizzleTexture2D()
// Desc: Swizzles a 2D texture before it gets unlocked. Note: this operation
// can be very slow.
//-----------------------------------------------------------------------------
VOID XBUtil_SwizzleTexture2D( D3DLOCKED_RECT* pLock, const D3DSURFACE_DESC* pDesc )
{
DWORD dwPixelSize = XGBytesPerPixelFromFormat( pDesc->Format );
DWORD dwTextureSize = pDesc->Width * pDesc->Height * dwPixelSize;
BYTE* pSrcBits = new BYTE[ dwTextureSize ];
memcpy( pSrcBits, pLock->pBits, dwTextureSize );
XGSwizzleRect( pSrcBits, 0, NULL, pLock->pBits,
pDesc->Width, pDesc->Height,
NULL, dwPixelSize );
SAFE_DELETE_ARRAY( pSrcBits );
}
void Font::RenderToTexture(CSurface &texture, const string &str, dword height, dword style, D3DXCOLOR color, int maxWidth, bool fade)
{
xdk_d3d_video_t *d3d = (xdk_d3d_video_t*)driver.video_data;
if (m_pFont == NULL)
return;
m_pFont->SetTextHeight(height);
m_pFont->SetTextStyle(style);
m_pFont->SetTextColor(color);
dword dwMaxWidth = (maxWidth <= 0) ? 1000 : maxWidth;
// get the exact width and height required to display the string
dword dwRequiredWidth = GetRequiredWidth(str, height, style);
dword dwRequiredHeight = GetRequiredHeight(str, height, style);;
// calculate the texture width and height needed to display the font
dword dwTextureWidth = dwRequiredWidth * 2;
dword dwTextureHeight = dwRequiredHeight * 2;
{
// because the textures are swizzled we make sure
// the dimensions are a power of two
for(dword wmask = 1; dwTextureWidth &(dwTextureWidth - 1); wmask = (wmask << 1 ) + 1)
dwTextureWidth = (dwTextureWidth + wmask) & ~wmask;
for(dword hmask = 1; dwTextureHeight &(dwTextureHeight - 1); hmask = (hmask << 1) + 1)
dwTextureHeight = ( dwTextureHeight + hmask ) & ~hmask;
// also enforce a minimum pitch of 64 bytes
dwTextureWidth = max(64 / XGBytesPerPixelFromFormat(D3DFMT_A8R8G8B8), dwTextureWidth);
}
// create an temporary image surface to render to
D3DSurface *pTempSurface;
d3d->d3d_render_device->CreateImageSurface(dwTextureWidth, dwTextureHeight, D3DFMT_LIN_A8R8G8B8, &pTempSurface);
// clear the temporary surface
{
D3DLOCKED_RECT tmpLr;
pTempSurface->LockRect(&tmpLr, NULL, 0);
memset(tmpLr.pBits, 0, dwTextureWidth * dwTextureHeight * XGBytesPerPixelFromFormat(D3DFMT_A8R8G8B8));
pTempSurface->UnlockRect();
}
// render the text to the temporary surface
word *wcBuf = StringToWChar(str);
m_pFont->TextOut(pTempSurface, wcBuf, -1, 0, 0);
delete [] wcBuf;
// create the texture that will be drawn to the screen
texture.Destroy();
texture.Create(dwTextureWidth, dwTextureHeight);
// copy from the temporary surface to the final texture
{
D3DLOCKED_RECT tmpLr;
D3DLOCKED_RECT txtLr;
pTempSurface->LockRect(&tmpLr, NULL, 0);
texture.GetTexture()->LockRect(0, &txtLr, NULL, 0);
if (fade)
{
// draw the last 35 pixels of the string fading out to max width or texture width
dword dwMinFadeDistance = min(static_cast<dword>(dwTextureWidth * 0.35), 35);
dword dwFadeStart = min(dwTextureWidth, dwMaxWidth - dwMinFadeDistance);
dword dwFadeEnd = min(dwTextureWidth, dwMaxWidth);
dword dwFadeDistance = dwFadeEnd - dwFadeStart;
for (dword h = 0; h < dwTextureHeight; h++)
{
for (dword w = 0; w < dwFadeDistance; w++)
{
dword *pColor = reinterpret_cast<dword *>(tmpLr.pBits);
dword offset = (h * dwTextureWidth) + (dwFadeStart + w);
D3DXCOLOR color = D3DXCOLOR(pColor[offset]);
color.a = color.a * (1.0f - static_cast<float>(w) / static_cast<float>(dwFadeDistance));
pColor[offset] = color;
}
}
}
// dont draw anything > than max width
for (dword h = 0; h < dwTextureHeight; h++)
{
for (dword w = min(dwTextureWidth, dwMaxWidth); w < dwTextureWidth; w++)
{
dword *pColor = reinterpret_cast<dword *>(tmpLr.pBits);
dword offset = (h * dwTextureWidth) + w;
D3DXCOLOR color = D3DXCOLOR(pColor[offset]);
color.a = 0.0;
pColor[offset] = color;
}
}
// copy and swizzle the linear surface to the swizzled texture
XGSwizzleRect(tmpLr.pBits, tmpLr.Pitch, NULL, txtLr.pBits, dwTextureWidth, dwTextureHeight, NULL, 4);
texture.GetTexture()->UnlockRect(0);
pTempSurface->UnlockRect();
}
pTempSurface->Release();
}
//-----------------------------------------------------------------------------
// Name: XBUtil_CreateNormalizationCubeMap()
// Desc: Creates a cubemap and fills it with normalized RGBA vectors
//-----------------------------------------------------------------------------
HRESULT XBUtil_CreateNormalizationCubeMap( LPDIRECT3DDEVICE8 pd3dDevice,
DWORD dwSize,
LPDIRECT3DCUBETEXTURE8* ppCubeMap )
{
HRESULT hr;
// Create the cube map
if( FAILED( hr = pd3dDevice->CreateCubeTexture( dwSize, 1, 0, D3DFMT_X8R8G8B8,
D3DPOOL_DEFAULT, ppCubeMap ) ) )
return E_FAIL;
// Allocate temp space for swizzling the cubemap surfaces
DWORD* pSourceBits = new DWORD[ dwSize * dwSize ];
// Fill all six sides of the cubemap
for( DWORD i=0; i<6; i++ )
{
// Lock the i'th cubemap surface
LPDIRECT3DSURFACE8 pCubeMapFace;
(*ppCubeMap)->GetCubeMapSurface( (D3DCUBEMAP_FACES)i, 0, &pCubeMapFace );
// Write the RGBA-encoded normals to the surface pixels
DWORD* pPixel = pSourceBits;
D3DXVECTOR3 n;
FLOAT w, h;
for( DWORD y = 0; y < dwSize; y++ )
{
h = (FLOAT)y / (FLOAT)(dwSize-1); // 0 to 1
h = ( h * 2.0f ) - 1.0f; // -1 to 1
for( DWORD x = 0; x < dwSize; x++ )
{
w = (FLOAT)x / (FLOAT)(dwSize-1); // 0 to 1
w = ( w * 2.0f ) - 1.0f; // -1 to 1
// Calc the normal for this texel
switch( i )
{
case D3DCUBEMAP_FACE_POSITIVE_X: // +x
n.x = +1.0;
n.y = -h;
n.z = -w;
break;
case D3DCUBEMAP_FACE_NEGATIVE_X: // -x
n.x = -1.0;
n.y = -h;
n.z = +w;
break;
case D3DCUBEMAP_FACE_POSITIVE_Y: // y
n.x = +w;
n.y = +1.0;
n.z = +h;
break;
case D3DCUBEMAP_FACE_NEGATIVE_Y: // -y
n.x = +w;
n.y = -1.0;
n.z = -h;
break;
case D3DCUBEMAP_FACE_POSITIVE_Z: // +z
n.x = +w;
n.y = -h;
n.z = +1.0;
break;
case D3DCUBEMAP_FACE_NEGATIVE_Z: // -z
n.x = -w;
n.y = -h;
n.z = -1.0;
break;
}
// Store the normal as an RGBA color
D3DXVec3Normalize( &n, &n );
*pPixel++ = XBUtil_VectorToRGBA( &n );
}
}
// Swizzle the result into the cubemap face surface
D3DLOCKED_RECT lock;
pCubeMapFace->LockRect( &lock, 0, 0L );
XGSwizzleRect( pSourceBits, 0, NULL, lock.pBits, dwSize, dwSize,
NULL, sizeof(DWORD) );
pCubeMapFace->UnlockRect();
// Release the cubemap face
pCubeMapFace->Release();
}
// Free temp space
SAFE_DELETE_ARRAY( pSourceBits );
return S_OK;
}
