public void SetData(int level, LockFlags flags, IntPtr data, int bytes)
{
LockedRectangle rect = LockRectangle(level, flags);
MemUtils.memcpy(data, rect.DataPointer, bytes);
UnlockRectangle(level);
}
public LockedRectangle LockRectangle(int level, D3DRect rect, LockFlags flags)
{
LockedRectangle lockedRect = new LockedRectangle();
int res = Interop.Calli(comPointer, level, (IntPtr)(void *)&lockedRect, (IntPtr)(void *)&rect, (int)flags, (*(IntPtr **)comPointer)[19]);
if (res < 0)
{
throw new SharpDXException(res);
}
return(lockedRect);
}
public static LockedRectangle LockRectangle(IntPtr ptr, int level, D3DRect region, LockFlags flags)
{
LockedRectangle rect = new LockedRectangle();
int res = Interop.Calli(ptr, level, (IntPtr)(void *)&rect, (IntPtr)(void *)®ion, (int)flags, (*(IntPtr **)ptr)[19]);
if (res < 0)
{
throw new SharpDXException(res);
}
return(rect);
}
public void SetPartData(int level, LockFlags flags, IntPtr data, int x, int y, int width, int height)
{
D3DRect partRect;
partRect.Left = x; partRect.Top = y;
partRect.Right = x + width; partRect.Bottom = y + height;
LockedRectangle rect = LockRectangle(level, partRect, flags);
// We need to copy scanline by scanline, as generally rect.stride != data.stride
byte *src = (byte *)data, dst = (byte *)rect.DataPointer;
for (int yy = 0; yy < height; yy++)
{
MemUtils.memcpy((IntPtr)src, (IntPtr)dst, width * 4);
src += width * 4;
dst += rect.Pitch;
}
UnlockRectangle(level);
}
