public SparseUploader(ComputeBuffer dst)
{
m_CurrFrame = 0;
m_DestinationBuffer = dst;
m_DataBuffer = new ComputeBuffer[k_NumBufferedFrames];
m_OperationsBuffer = new ComputeBuffer[k_NumBufferedFrames];
m_DataArray = new NativeArray <byte>();
m_OperationsArray = new NativeArray <Operation>();
m_ThreadData = (ThreadedSparseUploaderData *)UnsafeUtility.Malloc(sizeof(ThreadedSparseUploaderData),
UnsafeUtility.AlignOf <ThreadedSparseUploaderData>(), Allocator.Persistent);
m_ThreadData->m_DataPtr = null;
m_ThreadData->m_OperationsPtr = null;
m_ThreadData->m_CurrDataOffset = 0;
m_ThreadData->m_CurrOperation = 0;
m_ThreadData->m_MaxDataOffset = 0;
m_ThreadData->m_MaxOperations = 0;
m_SparseUploaderShader = Resources.Load <ComputeShader>("SparseUploader");
m_KernelIndex = m_SparseUploaderShader.FindKernel("CopyKernel");
m_OperationsID = Shader.PropertyToID("operations");
m_SrcBufferID = Shader.PropertyToID("srcBuffer");
m_DstBufferID = Shader.PropertyToID("dstBuffer");
m_OperationsBaseID = Shader.PropertyToID("operationsBase");
}
public SparseUploader(ComputeBuffer destinationBuffer, int bufferChunkSize = 16 * 1024 * 1024)
{
m_BufferChunkSize = bufferChunkSize;
m_DestinationBuffer = destinationBuffer;
m_FenceBufferPool = new BufferPool(1, 4);
m_UploadBufferPool = new BufferPool(m_BufferChunkSize / 4, 4, ComputeBufferType.Raw, ComputeBufferMode.SubUpdates);
m_MappedBuffers = new NativeArray <MappedBuffer>();
m_FreeFrameData = new Stack <FrameData>();
m_FrameData = new List <FrameData>();
m_ThreadData = (ThreadedSparseUploaderData *)Memory.Unmanaged.Allocate(sizeof(ThreadedSparseUploaderData),
UnsafeUtility.AlignOf <ThreadedSparseUploaderData>(), Allocator.Persistent);
m_ThreadData->m_Buffers = null;
m_ThreadData->m_NumBuffers = 0;
m_ThreadData->m_CurrBuffer = 0;
m_SparseUploaderShader = Resources.Load <ComputeShader>("SparseUploader");
m_CopyKernelIndex = m_SparseUploaderShader.FindKernel("CopyKernel");
m_ReplaceKernelIndex = m_SparseUploaderShader.FindKernel("ReplaceKernel");
m_SrcBufferID = Shader.PropertyToID("srcBuffer");
m_DstBufferID = Shader.PropertyToID("dstBuffer");
m_OperationsBaseID = Shader.PropertyToID("operationsBase");
m_ReplaceOperationSize = Shader.PropertyToID("replaceOperationSize");
}
public SparseUploader(ComputeBuffer destinationBuffer, int bufferChunkSize = 16 * 1024 * 1024)
{
if (SystemInfo.graphicsDeviceType == GraphicsDeviceType.Metal)
{
m_NumBufferedFrames = 4; // metal is hardcoded to 4
}
else
{
m_NumBufferedFrames = 3; // We use 3 to be safe, but the default value is 2.
}
#if !DISABLE_HYBRID_RENDERER_V2_FRAME_LIMIT
// initialize frame queue limitation if we have async readback
// if async readback is not available we have to fallback to frame counting
if (SystemInfo.supportsAsyncGPUReadback)
{
m_LimitingBuffers = new ComputeBuffer[m_NumBufferedFrames];
m_LimitingRequests = new AsyncGPUReadbackRequest[m_NumBufferedFrames];
for (var i = 0; i < m_NumBufferedFrames; i++)
{
m_LimitingBuffers[i] = new ComputeBuffer(1, 4, ComputeBufferType.Default);
m_LimitingRequests[i] = AsyncGPUReadback.Request(m_LimitingBuffers[i]);
}
}
else
#endif
{
m_LimitingBuffers = null;
m_LimitingRequests = null;
}
m_BufferChunkSize = bufferChunkSize;
m_CurrFrame = 0;
m_DestinationBuffer = destinationBuffer;
m_UploadBuffers = new List <ComputeBuffer>();
m_MappedBuffers = new NativeArray <MappedBuffer>();
m_FreeBuffers = new Stack <int>();
m_FrameReuseBuffers = new Stack <int> [m_NumBufferedFrames];
for (int i = 0; i < m_NumBufferedFrames; ++i)
{
m_FrameReuseBuffers[i] = new Stack <int>();
}
m_ThreadData = (ThreadedSparseUploaderData *)Memory.Unmanaged.Allocate(sizeof(ThreadedSparseUploaderData),
UnsafeUtility.AlignOf <ThreadedSparseUploaderData>(), Allocator.Persistent);
m_ThreadData->m_Buffers = null;
m_ThreadData->m_NumBuffers = 0;
m_ThreadData->m_CurrBuffer = 0;
m_SparseUploaderShader = Resources.Load <ComputeShader>("SparseUploader");
m_CopyKernelIndex = m_SparseUploaderShader.FindKernel("CopyKernel");
m_ReplaceKernelIndex = m_SparseUploaderShader.FindKernel("ReplaceKernel");
m_SrcBufferID = Shader.PropertyToID("srcBuffer");
m_DstBufferID = Shader.PropertyToID("dstBuffer");
m_OperationsBaseID = Shader.PropertyToID("operationsBase");
m_ReplaceOperationSize = Shader.PropertyToID("replaceOperationSize");
}
