bool JRenderServer::UnlockIB( int ibID )
{
if (ibID < 0 || ibID >= m_IBuffers.size()) return false;
IDirect3DIndexBuffer8* pBuffer = m_IBuffers[ibID].m_pBuffer;
if (!pBuffer) return NULL;
HRESULT hRes = pBuffer->Unlock();
return (hRes == S_OK);
} // JRenderServer::UnlockIB
int JRenderServer::ClearIB( int ibID )
{
if (ibID < 0 || ibID >= m_IBuffers.size()) return -1;
IDirect3DIndexBuffer8* pBuffer = m_IBuffers[ibID].m_pBuffer;
if (!pBuffer) return false;
BYTE* pData = NULL;
HRESULT hRes = pBuffer->Lock( 0, m_IBuffers[ibID].m_Size, &pData, D3DLOCK_DISCARD );
if (hRes != S_OK) return -1;
pBuffer->Unlock();
m_IBuffers[ibID].m_CurIteration++;
return m_IBuffers[ibID].m_CurIteration;
} // JRenderServer::ClearIB
