/// <summary>
/// Locks a buffer and sets it into libretro. You must pass a delegate to be executed while that buffer is locked.
/// This is meant to be used for avoiding a memcpy for large roms (which the core is then just going to memcpy again on its own)
/// The memcpy has to happen at some point (libretro semantics specify [not literally, the docs dont say] that the core should finish using the buffer before its init returns)
/// but this limits it to once.
/// Moreover, this keeps the c++ side from having to free strings when they're no longer used (and memory management is trickier there, so we try to avoid it)
/// </summary>
public void SetBytes(BufId id, byte[] bytes, Action andThen)
{
fixed(byte *bp = bytes)
{
_setBuffer(id, bp, (ulong)bytes.Length);
andThen();
}
}
/// <summary>
/// see SetBytes
/// </summary>
public void SetAscii(BufId id, string str, Action andThen)
{
fixed(byte *cp = System.Text.Encoding.ASCII.GetBytes(str + "\0"))
{
_setBuffer(id, cp, (ulong)str.Length + 1);
andThen();
}
}
/// <summary>
/// Copy a buffer into libretro. It keeps the copy.
/// </summary>
public void CopyBytes(BufId id, byte[] bytes)
{
fixed(byte *bp = bytes)
_copyBuffer(id, bp, (ulong)bytes.Length);
}
/// <summary>
/// Copy an ascii string into libretro. It keeps the copy.
/// </summary>
public void CopyAscii(BufId id, string str)
{
fixed(char *cp = str)
_copyBuffer(id, cp, (ulong)str.Length + 1);
}