| 319 | } |
| 320 | |
| 321 | ALResult Tr2BufferAL::MapForWriting( void*& data, Tr2RenderContextAL& renderContext ) |
| 322 | { |
| 323 | data = nullptr; |
| 324 | if( !renderContext.IsValid() || !IsValid() ) |
| 325 | { |
| 326 | return E_INVALIDCALL; |
| 327 | } |
| 328 | |
| 329 | if( HasFlag( m_desc.cpuUsage, Tr2CpuUsage::WRITE_OFTEN ) ) |
| 330 | { |
| 331 | D3D11_MAPPED_SUBRESOURCE ms = { nullptr, 0, 0 }; |
| 332 | auto mapType = HasFlag( m_desc.cpuUsage, Tr2CpuUsage::NON_SYNCRONIZED_WRITE ) ? D3D11_MAP_WRITE_NO_OVERWRITE : D3D11_MAP_WRITE_DISCARD; |
| 333 | auto hr = renderContext.m_context->Map( m_buffer, 0, mapType, 0, &ms ); |
| 334 | if( FAILED( hr ) ) |
| 335 | { |
| 336 | return hr; |
| 337 | } |
| 338 | if( !ms.pData ) |
| 339 | { |
| 340 | return E_FAIL; |
| 341 | } |
| 342 | #if TRINITY_AL_GUARD_LOCKS |
| 343 | if( noSyncronization ) |
| 344 | { |
| 345 | data = ms.pData; |
| 346 | } |
| 347 | else |
| 348 | { |
| 349 | m_lockGuard.Lock( m_desc.count * m_desc.stride, ms.pData ); |
| 350 | data = m_lockGuard.GetMemory(); |
| 351 | } |
| 352 | #else |
| 353 | data = ms.pData; |
| 354 | #endif |
| 355 | return hr; |
| 356 | } |
| 357 | else if( HasFlag( m_desc.cpuUsage, Tr2CpuUsage::WRITE ) ) |
| 358 | { |
| 359 | if( m_writeLockMemory.empty() ) |
| 360 | { |
| 361 | CcpAlignedMallocBuffer buffer( "Tr2BufferAL::m_writeLockMemory", m_desc.stride * m_desc.count, 16 ); |
| 362 | m_writeLockMemory.swap( buffer ); |
| 363 | } |
| 364 | if( m_writeLockMemory.empty() ) |
| 365 | { |
| 366 | return E_OUTOFMEMORY; |
| 367 | } |
| 368 | |
| 369 | data = m_writeLockMemory.get(); |
| 370 | return S_OK; |
| 371 | } |
| 372 | else |
| 373 | { |
| 374 | return E_INVALIDCALL; |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | void Tr2BufferAL::UnmapForWriting( Tr2RenderContextAL& renderContext ) |