public static MeshGeometry New <TIndex>(
Device device,
GraphicsCommandList commandList,
IEnumerable <TIndex> indices,
string name = "Default")
where TIndex : struct
{
TIndex[] indexArray = indices.ToArray();
int indexBufferByteSize = Utilities.SizeOf(indexArray);
Resource indexBuffer = D3DUtil.CreateDefaultBuffer(
device,
commandList,
indexArray,
indexBufferByteSize,
out Resource indexBufferUploader);
return(new MeshGeometry
{
Name = name,
IndexCount = indexArray.Length,
IndexFormat = GetIndexFormat <TIndex>(),
IndexBufferByteSize = indexBufferByteSize,
IndexBufferGPU = indexBuffer,
IndexBufferCPU = indexArray,
_toDispose = { indexBuffer, indexBufferUploader }
});
}
private void BuildBuffers()
{
// Generate some data.
var dataA = new Data[NumDataElements];
var dataB = new Data[NumDataElements];
for (int i = 0; i < NumDataElements; i++)
{
dataA[i].V1 = new Vector3(i, i, i);
dataA[i].V2 = new Vector2(i, 0);
dataB[i].V1 = new Vector3(-i, i, 0.0f);
dataB[i].V2 = new Vector2(0, -i);
}
long byteSize = dataA.Length * Utilities.SizeOf <Data>();
// Create some buffers to be used as SRVs.
_inputBufferA = D3DUtil.CreateDefaultBuffer(
Device,
CommandList,
dataA,
byteSize,
out _inputUploadBufferA);
_inputBufferB = D3DUtil.CreateDefaultBuffer(
Device,
CommandList,
dataB,
byteSize,
out _inputUploadBufferB);
// Create the buffer that will be a UAV.
_outputBuffer = Device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
ResourceDescription.Buffer(byteSize, ResourceFlags.AllowUnorderedAccess),
ResourceStates.UnorderedAccess);
_readBackBuffer = Device.CreateCommittedResource(
new HeapProperties(HeapType.Readback),
HeapFlags.None,
ResourceDescription.Buffer(byteSize),
ResourceStates.CopyDestination);
}
