public unsafe void UpdateGpuBuffer(CRenderContext rc, EngineNS.CCommandList cmd, Graphics.CGfxCamera Camera)
{
if (UseVTF)
{
UpdateGpuBufferVTF(rc, cmd, Camera);
}
else
{
var bfDesc = new CGpuBufferDesc();
//mAllVertexSRV
{
bfDesc.SetMode(false, false);
bfDesc.ByteWidth = (uint)(mAllVertices.Count * sizeof(EngineNS.Bricks.GpuDriven.Cluster.GpuSceneVertex));
bfDesc.StructureByteStride = (uint)sizeof(EngineNS.Bricks.GpuDriven.Cluster.GpuSceneVertex);
var copyArray = mAllVertices.ToArray();
fixed(EngineNS.Bricks.GpuDriven.Cluster.GpuSceneVertex *p = ©Array[0])
{
bufferAllVertex = rc.CreateGpuBuffer(bfDesc, (IntPtr)p);
}
var srvDesc = new ISRVDesc();
srvDesc.ToDefault();
srvDesc.ViewDimension = EResourceDimension.RESOURCE_DIMENSION_BUFFER;
srvDesc.Buffer.ElementOffset = 0;
srvDesc.Buffer.NumElements = (uint)mAllVertices.Count;
mAllVertexSRV = rc.CreateShaderResourceViewFromBuffer(bufferAllVertex, srvDesc);
}
//uavMeshInstanceArray
{
bfDesc.SetMode(false, true);
bfDesc.ByteWidth = (uint)(GpuInstanceDatas.Count * sizeof(EngineNS.Bricks.GpuDriven.GpuScene.GpuMeshInstanceData));
bfDesc.StructureByteStride = (uint)sizeof(EngineNS.Bricks.GpuDriven.GpuScene.GpuMeshInstanceData);
var copyArray = GpuInstanceDatas.ToArray();
fixed(EngineNS.Bricks.GpuDriven.GpuScene.GpuMeshInstanceData *p = ©Array[0])
{
bufferMeshInstanceArray = rc.CreateGpuBuffer(bfDesc, (IntPtr)p);
//bufferMeshInstanceArray.UpdateBufferData(cmd, (IntPtr)p, bfDesc.ByteWidth);
}
var uavDesc = new CUnorderedAccessViewDesc();
uavDesc.ToDefault();
uavDesc.Buffer.NumElements = (uint)GpuInstanceDatas.Count;
uavMeshInstanceArray = rc.CreateUnorderedAccessView(bufferMeshInstanceArray, uavDesc);
var srvDesc = new ISRVDesc();
srvDesc.ToDefault();
srvDesc.ViewDimension = EResourceDimension.RESOURCE_DIMENSION_BUFFER;
srvDesc.Buffer.ElementOffset = 0;
srvDesc.Buffer.NumElements = (uint)GpuInstanceDatas.Count;
mMeshInstanceSRV = rc.CreateShaderResourceViewFromBuffer(bufferMeshInstanceArray, srvDesc);
}
}
if (UseComputeShader)
{
var bfDesc = new CGpuBufferDesc();
if (uavMeshInstanceArray == null)
{
bfDesc.SetMode(false, true);
bfDesc.ByteWidth = (uint)(GpuInstanceDatas.Count * sizeof(EngineNS.Bricks.GpuDriven.GpuScene.GpuMeshInstanceData));
bfDesc.StructureByteStride = (uint)sizeof(EngineNS.Bricks.GpuDriven.GpuScene.GpuMeshInstanceData);
var copyArray = GpuInstanceDatas.ToArray();
fixed(EngineNS.Bricks.GpuDriven.GpuScene.GpuMeshInstanceData *p = ©Array[0])
{
bufferMeshInstanceArray = rc.CreateGpuBuffer(bfDesc, (IntPtr)p);
//bufferMeshInstanceArray.UpdateBufferData(cmd, (IntPtr)p, bfDesc.ByteWidth);
}
var uavDesc = new CUnorderedAccessViewDesc();
uavDesc.ToDefault();
uavDesc.Buffer.NumElements = (uint)GpuInstanceDatas.Count;
uavMeshInstanceArray = rc.CreateUnorderedAccessView(bufferMeshInstanceArray, uavDesc);
var srvDesc = new ISRVDesc();
srvDesc.ToDefault();
srvDesc.ViewDimension = EResourceDimension.RESOURCE_DIMENSION_BUFFER;
srvDesc.Buffer.ElementOffset = 0;
srvDesc.Buffer.NumElements = (uint)GpuInstanceDatas.Count;
mMeshInstanceSRV = rc.CreateShaderResourceViewFromBuffer(bufferMeshInstanceArray, srvDesc);
}
//uavClusterArray
{
bfDesc.SetMode(false, true);
bfDesc.ByteWidth = (uint)(GpuClusters.Count * sizeof(EngineNS.Bricks.GpuDriven.Cluster.GpuCluster));
bfDesc.StructureByteStride = (uint)sizeof(EngineNS.Bricks.GpuDriven.Cluster.GpuCluster);
var copyArray = GpuClusters.ToArray();
fixed(EngineNS.Bricks.GpuDriven.Cluster.GpuCluster *p = ©Array[0])
{
bufferClusterArray = rc.CreateGpuBuffer(bfDesc, (IntPtr)p);
//bufferClusterArray.UpdateBufferData(cmd, (IntPtr)p, bfDesc.ByteWidth);
}
var uavDesc = new CUnorderedAccessViewDesc();
uavDesc.ToDefault();
uavDesc.Buffer.NumElements = (uint)GpuClusters.Count;
uavClusterArray = rc.CreateUnorderedAccessView(bufferClusterArray, uavDesc);
}
//uavStaticSceneAllFaces
{
bfDesc.SetMode(false, true);
bfDesc.ByteWidth = (uint)(AllIndices.Count * sizeof(uint));
bfDesc.StructureByteStride = (uint)sizeof(uint);
var copyArray = AllIndices.ToArray();
fixed(uint *p = ©Array[0])
{
bufferStaticSceneAllFaces = rc.CreateGpuBuffer(bfDesc, (IntPtr)p);
//bufferStaticSceneAllFaces.UpdateBufferData(cmd, (IntPtr)p, bfDesc.ByteWidth);
}
var uavDesc = new CUnorderedAccessViewDesc();
uavDesc.ToDefault();
uavDesc.Buffer.NumElements = (uint)(AllIndices.Count);
uavStaticSceneAllFaces = rc.CreateUnorderedAccessView(bufferStaticSceneAllFaces, uavDesc);
}
//uavStaticSceneDrawFaces
{
bfDesc.SetMode(false, true);
int MaxInstanceNumber = 20;
bfDesc.ByteWidth = (uint)(AllIndices.Count * MaxInstanceNumber * sizeof(uint));
bfDesc.StructureByteStride = (uint)sizeof(uint);
bfDesc.MiscFlags = (UInt32)EResourceMiscFlag.BUFFER_ALLOW_RAW_VIEWS;
bfDesc.BindFlags |= (UInt32)EBindFlag.INDEX_BUFFER;
bfDesc.CPUAccessFlags = 0;
bufferStaticSceneDrawFaces = rc.CreateGpuBuffer(bfDesc, IntPtr.Zero);
var uavDesc = new CUnorderedAccessViewDesc();
uavDesc.ToDefault();
uavDesc.Format = EPixelFormat.PXF_R32_TYPELESS;
uavDesc.Buffer.NumElements = (uint)(AllIndices.Count * MaxInstanceNumber);
uavDesc.Buffer.Flags = (UInt32)EUAVBufferFlag.UAV_FLAG_RAW;
uavStaticSceneDrawFaces = rc.CreateUnorderedAccessView(bufferStaticSceneDrawFaces, uavDesc);
var ibDesc = new CIndexBufferDesc();
ibDesc.CPUAccess = 0;
ibDesc.InitData = IntPtr.Zero;
ibDesc.ByteWidth = bfDesc.ByteWidth;
ibDesc.Type = EIndexBufferType.IBT_Int32;
mDrawIndexBuffer = rc.CreateIndexBufferFromBuffer(ibDesc, bufferStaticSceneDrawFaces);
}
//uavIndirectDrawArgs
{
bfDesc.SetMode(false, true);
bfDesc.ByteWidth = 20; //(uint)(1 * sizeof(EngineNS.Bricks.GpuDriven.GpuScene.GpuDrawArgs));
bfDesc.StructureByteStride = 4; //(uint)sizeof(EngineNS.Bricks.GpuDriven.GpuScene.GpuDrawArgs);
bfDesc.MiscFlags = (UInt32)(EResourceMiscFlag.DRAWINDIRECT_ARGS | EResourceMiscFlag.BUFFER_ALLOW_RAW_VIEWS);
bfDesc.CPUAccessFlags = 0;
bufferIndirectDrawArgs = rc.CreateGpuBuffer(bfDesc, IntPtr.Zero);
var uavDesc = new CUnorderedAccessViewDesc();
uavDesc.ToDefault();
uavDesc.Format = EPixelFormat.PXF_R32_TYPELESS;
uavDesc.Buffer.NumElements = (uint)(5);
uavDesc.Buffer.Flags = (UInt32)EUAVBufferFlag.UAV_FLAG_RAW;
uavIndirectDrawArgs = rc.CreateUnorderedAccessView(bufferIndirectDrawArgs, uavDesc);
var drawAgrs = new EngineNS.Bricks.GpuDriven.GpuScene.GpuDrawArgs();
drawAgrs.InstanceCount = 1;
drawAgrs.StartInstanceLocation = 0;
drawAgrs.IndexCountPerInstance = 0;
bufferIndirectDrawArgs.UpdateBufferData(cmd, (IntPtr)(&drawAgrs), bfDesc.ByteWidth);
}
ComputeDispatch(rc, cmd, Camera);
}
else
{
CIndexBufferDesc ibDesc = new CIndexBufferDesc(EIndexBufferType.IBT_Int32);
ibDesc.CPUAccess = (UInt32)ECpuAccess.CAS_WRITE;
ibDesc.ByteWidth = (uint)(mAllIndices.Count * sizeof(UInt32) * 20);
mCpuDrawIndexBuffer = rc.CreateIndexBuffer(ibDesc);
}
//CEngine.Instance.EventPoster.RunOn(() =>
//{
// var blobDrawArgs = new EngineNS.Support.CBlobObject();
// bufferIndirectDrawArgs.GetBufferData(rc, blobDrawArgs);
// EngineNS.Bricks.GpuDriven.GpuScene.GpuDrawArgs* pArg = (EngineNS.Bricks.GpuDriven.GpuScene.GpuDrawArgs*)blobDrawArgs.Data.ToPointer();
// if (pArg != null)
// {
// mDrawArgs = *pArg;
// }
// return null;
//}, Thread.Async.EAsyncTarget.Main);
}