MF_API bool MFTexture_Map(MFTexture *pTexture, int element, int mipLevel, MFLockedTexture *pLock)
{
int numFaces = pTexture->type == MFTexType_Cubemap ? 6 : 1;
MFDebug_Assert(element < numFaces, "Array textures not supported in D3D9!");
int s = mipLevel*pTexture->numElements + (element ? element : 0);
MFTextureSurface &surface = pTexture->pSurfaces[s];
DWORD lockFlags = (pTexture->createFlags & MFTCF_TypeMask) == MFTCF_Scratch ? D3DLOCK_DISCARD : 0;
switch(pTexture->type)
{
case MFTexType_1D:
{
IDirect3DTexture9 *pTex = (IDirect3DTexture9*)pTexture->pInternalData;
#if defined(MF_DEBUG)
D3DSURFACE_DESC desc;
pTex->GetLevelDesc(mipLevel, &desc);
MFDebug_Assert((int)desc.Width == surface.width && (int)desc.Height == surface.height, "D3D9 mip dimensions don't match the texture template data...");
#endif
D3DLOCKED_RECT rect;
pTex->LockRect(mipLevel, &rect, NULL, lockFlags);
pLock->pData = rect.pBits;
pLock->width = surface.width;
pLock->height = surface.height;
pLock->depth = surface.depth;
pLock->strideInBytes = rect.Pitch;
pLock->sliceInBytes = rect.Pitch * surface.height;
break;
}
case MFTexType_2D:
{
IDirect3DTexture9 *pTex = (IDirect3DTexture9*)pTexture->pInternalData;
#if defined(MF_DEBUG)
D3DSURFACE_DESC desc;
pTex->GetLevelDesc(mipLevel, &desc);
MFDebug_Assert((int)desc.Width == surface.width && (int)desc.Height == surface.height, "D3D9 mip dimensions don't match the texture template data...");
#endif
D3DLOCKED_RECT rect;
pTex->LockRect(mipLevel, &rect, NULL, lockFlags);
pLock->pData = rect.pBits;
pLock->width = surface.width;
pLock->height = surface.height;
pLock->depth = surface.depth;
pLock->strideInBytes = rect.Pitch;
pLock->sliceInBytes = rect.Pitch * surface.height;
break;
}
case MFTexType_3D:
{
IDirect3DVolumeTexture9 *pTex = (IDirect3DVolumeTexture9*)pTexture->pInternalData;
#if defined(MF_DEBUG)
D3DVOLUME_DESC desc;
pTex->GetLevelDesc(mipLevel, &desc);
MFDebug_Assert((int)desc.Width == surface.width && (int)desc.Height == surface.height && (int)desc.Depth == surface.depth, "D3D9 mip dimensions don't match the texture template data...");
#endif
D3DLOCKED_BOX box;
pTex->LockBox(mipLevel, &box, NULL, lockFlags);
pLock->pData = box.pBits;
pLock->width = surface.width;
pLock->height = surface.height;
pLock->depth = surface.depth;
pLock->strideInBytes = box.RowPitch;
pLock->sliceInBytes = box.SlicePitch;
break;
}
case MFTexType_Cubemap:
{
IDirect3DCubeTexture9 *pTex = (IDirect3DCubeTexture9*)pTexture->pInternalData;
#if defined(MF_DEBUG)
D3DSURFACE_DESC desc;
pTex->GetLevelDesc(mipLevel, &desc);
MFDebug_Assert((int)desc.Width == surface.width && (int)desc.Height == surface.height, "D3D9 mip dimensions don't match the texture template data...");
#endif
D3DLOCKED_RECT rect;
pTex->LockRect(gD3DCubeFaces[element], mipLevel, &rect, NULL, lockFlags);
pLock->pData = rect.pBits;
pLock->width = surface.width;
pLock->height = surface.height;
pLock->depth = surface.depth;
pLock->strideInBytes = rect.Pitch;
pLock->sliceInBytes = rect.Pitch * surface.height;
break;
}
}
return true;
}
MF_API bool MFTexture_Update(MFTexture *pTexture, int element, int mipLevel, const void *pData, size_t lineStride, size_t sliceStride)
{
int numFaces = pTexture->type == MFTexType_Cubemap ? 6 : 1;
MFDebug_Assert(element < numFaces, "Array textures not supported in D3D9!");
int s = mipLevel*pTexture->numElements + (element > -1 ? element : 0);
MFTextureSurface &surface = pTexture->pSurfaces[s];
DWORD lockFlags = (pTexture->createFlags & MFTCF_TypeMask) == MFTCF_Scratch ? D3DLOCK_DISCARD : 0;
size_t lineBytes = (surface.bitsPerPixel * surface.width) / 8;
if(lineStride == 0)
lineStride = lineBytes;
if(sliceStride == 0)
sliceStride = lineStride * surface.width;
switch(pTexture->type)
{
case MFTexType_1D:
{
IDirect3DTexture9 *pTex = (IDirect3DTexture9*)pTexture->pInternalData;
#if defined(MF_DEBUG)
D3DSURFACE_DESC desc;
pTex->GetLevelDesc(mipLevel, &desc);
MFDebug_Assert((int)desc.Width == surface.width && (int)desc.Height == surface.height, "D3D9 mip dimensions don't match the texture template data...");
#endif
D3DLOCKED_RECT rect;
pTex->LockRect(mipLevel, &rect, NULL, lockFlags);
MFCopyMemory(rect.pBits, pData, lineBytes);
pTex->UnlockRect(mipLevel);
break;
}
case MFTexType_2D:
{
IDirect3DTexture9 *pTex = (IDirect3DTexture9*)pTexture->pInternalData;
#if defined(MF_DEBUG)
D3DSURFACE_DESC desc;
pTex->GetLevelDesc(mipLevel, &desc);
MFDebug_Assert((int)desc.Width == surface.width && (int)desc.Height == surface.height, "D3D9 mip dimensions don't match the texture template data...");
#endif
D3DLOCKED_RECT rect;
pTex->LockRect(mipLevel, &rect, NULL, lockFlags);
const char *pSrc = (const char*)pData;
char *pDest = (char*)rect.pBits;
for(int i=0; i<surface.height; ++i)
{
MFCopyMemory(pDest, pSrc, lineBytes);
pDest += rect.Pitch;
pSrc += lineStride;
}
pTex->UnlockRect(mipLevel);
break;
}
case MFTexType_3D:
{
IDirect3DVolumeTexture9 *pTex = (IDirect3DVolumeTexture9*)pTexture->pInternalData;
#if defined(MF_DEBUG)
D3DVOLUME_DESC desc;
pTex->GetLevelDesc(mipLevel, &desc);
MFDebug_Assert((int)desc.Width == surface.width && (int)desc.Height == surface.height && (int)desc.Depth == surface.depth, "D3D9 mip dimensions don't match the texture template data...");
#endif
D3DLOCKED_BOX box;
pTex->LockBox(mipLevel, &box, NULL, lockFlags);
MFCopyMemory(box.pBits, pData, surface.bufferLength);
const char *pSrcSlice = (const char*)pData;
char *pDestSlice = (char*)box.pBits;
for(int d=0; d<surface.depth; ++d)
{
const char *pSrcLine = pSrcSlice;
char *pDestLine = pDestSlice;
for(int i=0; i<surface.height; ++i)
{
MFCopyMemory(pDestLine, pSrcLine, lineBytes);
pDestLine += box.RowPitch;
pSrcLine += lineStride;
}
pSrcSlice += sliceStride;
pDestSlice += box.SlicePitch;
}
pTex->UnlockBox(mipLevel);
break;
}
case MFTexType_Cubemap:
{
MFDebug_Assert(element != -1, "TODO: must handle setting all surfaces at once...");
IDirect3DCubeTexture9 *pTex = (IDirect3DCubeTexture9*)pTexture->pInternalData;
#if defined(MF_DEBUG)
D3DSURFACE_DESC desc;
pTex->GetLevelDesc(mipLevel, &desc);
MFDebug_Assert((int)desc.Width == surface.width && (int)desc.Height == surface.height, "D3D9 mip dimensions don't match the texture template data...");
#endif
D3DLOCKED_RECT rect;
pTex->LockRect(gD3DCubeFaces[element], mipLevel, &rect, NULL, lockFlags);
const char *pSrc = (const char*)pData;
char *pDest = (char*)rect.pBits;
for(int i=0; i<surface.height; ++i)
{
MFCopyMemory(pDest, pSrc, lineBytes);
pDest += rect.Pitch;
pSrc += lineStride;
}
pTex->UnlockRect(gD3DCubeFaces[element], mipLevel);
break;
}
}
return true;
}