internal SdkMeshIndexBuffer(D3D11Device device, SdkMeshRawFile rawFile, SdkMeshRawMesh rawMesh)
{
int index = rawMesh.IndexBuffer;
SdkMeshRawIndexBufferHeader header = rawFile.IndexBufferHeaders[index];
byte[] bytes = rawFile.IndexBufferBytes[index];
this.NumIndices = (int)header.NumIndices;
this.SizeBytes = (uint)header.SizeBytes;
switch (header.IndexType)
{
case SdkMeshIndexType.IndexType16Bit:
this.IndexFormat = DxgiFormat.R16UInt;
break;
case SdkMeshIndexType.IndexType32Bit:
this.IndexFormat = DxgiFormat.R32UInt;
break;
default:
this.IndexFormat = DxgiFormat.R16UInt;
break;
}
var desc = new D3D11BufferDesc((uint)header.SizeBytes, D3D11BindOptions.IndexBuffer);
var data = new D3D11SubResourceData(bytes, 0, 0);
this.Buffer = device.CreateBuffer(desc, data);
}
static D3D11Buffer CreateRawBuffer <T>(D3D11Device pDevice, T[] pInitData)
where T : struct
{
var desc = D3D11BufferDesc.From(pInitData, D3D11BindOptions.UnorderedAccess | D3D11BindOptions.ShaderResource | D3D11BindOptions.IndexBuffer | D3D11BindOptions.VertexBuffer);
desc.MiscOptions = D3D11ResourceMiscOptions.BufferAllowRawViews;
return(pDevice.CreateBuffer(desc, pInitData, 0, 0));
}
static D3D11Buffer CreateStructuredBuffer <T>(D3D11Device pDevice, T[] pInitData)
where T : struct
{
var desc = D3D11BufferDesc.From(pInitData, D3D11BindOptions.UnorderedAccess | D3D11BindOptions.ShaderResource);
desc.MiscOptions = D3D11ResourceMiscOptions.BufferStructured;
desc.StructureByteStride = (uint)Marshal.SizeOf(typeof(T));
return(pDevice.CreateBuffer(desc, pInitData, 0, 0));
}
internal SdkMeshVertexBuffer(D3D11Device device, SdkMeshRawFile rawFile, SdkMeshRawMesh rawMesh, int i)
{
int index = rawMesh.VertexBuffers[i];
SdkMeshRawVertexBufferHeader header = rawFile.VertexBufferHeaders[index];
byte[] bytes = rawFile.VertexBufferBytes[index];
this.NumVertices = (int)header.NumVertices;
this.SizeBytes = (uint)header.SizeBytes;
this.StrideBytes = (uint)header.StrideBytes;
this.Decl = header.Decl.ToArray();
var desc = new D3D11BufferDesc((uint)header.SizeBytes, D3D11BindOptions.VertexBuffer);
var data = new D3D11SubResourceData(bytes, 0, 0);
this.Buffer = device.CreateBuffer(desc, data);
}
static D3D11Buffer CreateAndCopyToDebugBuf(D3D11Device pDevice, D3D11DeviceContext pd3dImmediateContext, D3D11Buffer pBuffer)
{
var desc = pBuffer.Description;
desc.CpuAccessOptions = D3D11CpuAccessOptions.Read;
desc.Usage = D3D11Usage.Staging;
desc.BindOptions = D3D11BindOptions.None;
desc.MiscOptions = D3D11ResourceMiscOptions.None;
D3D11Buffer debugbuf = pDevice.CreateBuffer(desc);
#if DEBUG
debugbuf.SetDebugName("Debug");
#endif
pd3dImmediateContext.CopyResource(debugbuf, pBuffer);
return(debugbuf);
}
