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wined3d: Move the memory code of LockRect to the end of the function. 

This is needed for PBOs because for those memory allocation works differently.
This commit is contained in:
Roderick Colenbrander 2007-09-10 23:46:23 +02:00 committed by Alexandre Julliard
parent cfc50f89d7
commit 12e942b135
1 changed files with 23 additions and 19 deletions
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42
dlls/wined3d/surface.c
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@ -696,36 +696,19 @@ static HRESULT WINAPI IWineD3DSurfaceImpl_LockRect(IWineD3DSurface *iface, WINED
This->Flags &= ~SFLAG_INSYSMEM; /* This is the marker that surface data has to be downloaded */
}
/* Calculate the correct start address to report */
/* Calculate the dimensions of the locked rect */
if (NULL == pRect) {
pLockedRect->pBits = This->resource.allocatedMemory;
This->lockedRect.left = 0;
This->lockedRect.top = 0;
This->lockedRect.right = This->currentDesc.Width;
This->lockedRect.bottom = This->currentDesc.Height;
TRACE("Locked Rect (%p) = l %d, t %d, r %d, b %d\n", &This->lockedRect, This->lockedRect.left, This->lockedRect.top, This->lockedRect.right, This->lockedRect.bottom);
} else {
TRACE("Lock Rect (%p) = l %d, t %d, r %d, b %d\n", pRect, pRect->left, pRect->top, pRect->right, pRect->bottom);
/* DXTn textures are based on compressed blocks of 4x4 pixels, each
* 16 bytes large (8 bytes in case of DXT1). Because of that Pitch has
* slightly different meaning compared to regular textures. For DXTn
* textures Pitch is the size of a row of blocks, 4 high and "width"
* long. The x offset is calculated differently as well, since moving 4
* pixels to the right actually moves an entire 4x4 block to right, ie
* 16 bytes (8 in case of DXT1). */
if (This->resource.format == WINED3DFMT_DXT1) {
pLockedRect->pBits = This->resource.allocatedMemory + (pLockedRect->Pitch * pRect->top / 4) + (pRect->left * 2);
} else if (This->resource.format == WINED3DFMT_DXT2 || This->resource.format == WINED3DFMT_DXT3
|| This->resource.format == WINED3DFMT_DXT4 || This->resource.format == WINED3DFMT_DXT5) {
pLockedRect->pBits = This->resource.allocatedMemory + (pLockedRect->Pitch * pRect->top / 4) + (pRect->left * 4);
} else {
pLockedRect->pBits = This->resource.allocatedMemory + (pLockedRect->Pitch * pRect->top) + (pRect->left * This->bytesPerPixel);
}
This->lockedRect.left = pRect->left;
This->lockedRect.top = pRect->top;
This->lockedRect.right = pRect->right;
This->lockedRect.bottom = pRect->bottom;
TRACE("Locked Rect (%p) = l %d, t %d, r %d, b %d\n", pRect, pRect->left, pRect->top, pRect->right, pRect->bottom);
}
if (This->Flags & SFLAG_NONPOW2) {
@ -872,6 +855,27 @@ static HRESULT WINAPI IWineD3DSurfaceImpl_LockRect(IWineD3DSurface *iface, WINED
}
lock_end:
/* Calculate the correct start address to report */
if (NULL == pRect) {
pLockedRect->pBits = This->resource.allocatedMemory;
} else {
/* DXTn textures are based on compressed blocks of 4x4 pixels, each
* 16 bytes large (8 bytes in case of DXT1). Because of that Pitch has
* slightly different meaning compared to regular textures. For DXTn
* textures Pitch is the size of a row of blocks, 4 high and "width"
* long. The x offset is calculated differently as well, since moving 4
* pixels to the right actually moves an entire 4x4 block to right, ie
* 16 bytes (8 in case of DXT1). */
if (This->resource.format == WINED3DFMT_DXT1) {
pLockedRect->pBits = This->resource.allocatedMemory + (pLockedRect->Pitch * pRect->top / 4) + (pRect->left * 2);
} else if (This->resource.format == WINED3DFMT_DXT2 || This->resource.format == WINED3DFMT_DXT3
|| This->resource.format == WINED3DFMT_DXT4 || This->resource.format == WINED3DFMT_DXT5) {
pLockedRect->pBits = This->resource.allocatedMemory + (pLockedRect->Pitch * pRect->top / 4) + (pRect->left * 4);
} else {
pLockedRect->pBits = This->resource.allocatedMemory + (pLockedRect->Pitch * pRect->top) + (pRect->left * This->bytesPerPixel);
}
}
if (Flags & (WINED3DLOCK_NO_DIRTY_UPDATE | WINED3DLOCK_READONLY)) {
/* Don't dirtify */
} else {