private unsafe void CreateDeviceDependentResourcesInternal()
{
ID3D12Device *d3dDevice = _deviceResources.D3DDevice;
{
D3D12_DESCRIPTOR_RANGE range =
CD3DX12_DESCRIPTOR_RANGE.Create(D3D12_DESCRIPTOR_RANGE_TYPE_CBV, 1, 0);
CD3DX12_ROOT_PARAMETER.InitAsDescriptorTable(out D3D12_ROOT_PARAMETER parameter, 1, &range, D3D12_SHADER_VISIBILITY_VERTEX);
D3D12_ROOT_SIGNATURE_FLAGS rootSignatureFlags =
D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT | // Only the input assembler stage needs access to the constant buffer.
D3D12_ROOT_SIGNATURE_FLAG_DENY_DOMAIN_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAG_DENY_GEOMETRY_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAG_DENY_HULL_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAG_DENY_PIXEL_SHADER_ROOT_ACCESS;
CD3DX12_ROOT_SIGNATURE_DESC.Init(out D3D12_ROOT_SIGNATURE_DESC descRootSignature, 1, ¶meter, 0, null, rootSignatureFlags);
var pSignature = new ComPtr <ID3DBlob>();
var pError = new ComPtr <ID3DBlob>();
ThrowIfFailed(D3D12SerializeRootSignature(&descRootSignature, D3D_ROOT_SIGNATURE_VERSION_1, pSignature.GetAddressOf(), pError.GetAddressOf()));
Guid iid = IID_ID3D12RootSignature;
ID3D12RootSignature *rootSignature;
ThrowIfFailed(d3dDevice->CreateRootSignature(0, pSignature.Ptr->GetBufferPointer(), pSignature.Ptr->GetBufferSize(), &iid, (void **)&rootSignature));
_rootSignature = rootSignature;
NameD3D12Object(_rootSignature.Ptr, nameof(_rootSignature));
}
}
private async void CreateDeviceDependentResources()
{
unsafe
{
ID3D12Device *d3dDevice = _deviceResources.D3DDevice;
{
D3D12_DESCRIPTOR_RANGE range =
CD3DX12_DESCRIPTOR_RANGE.Create(D3D12_DESCRIPTOR_RANGE_TYPE.D3D12_DESCRIPTOR_RANGE_TYPE_CBV, 1, 0);
CD3DX12_ROOT_PARAMETER.InitAsDescriptorTable(out D3D12_ROOT_PARAMETER parameter, 1, &range,
D3D12_SHADER_VISIBILITY.D3D12_SHADER_VISIBILITY_VERTEX);
D3D12_ROOT_SIGNATURE_FLAGS rootSignatureFlags =
D3D12_ROOT_SIGNATURE_FLAGS
.D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT | // Only the input assembler stage needs access to the constant buffer.
D3D12_ROOT_SIGNATURE_FLAGS.D3D12_ROOT_SIGNATURE_FLAG_DENY_DOMAIN_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAGS.D3D12_ROOT_SIGNATURE_FLAG_DENY_GEOMETRY_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAGS.D3D12_ROOT_SIGNATURE_FLAG_DENY_HULL_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAGS.D3D12_ROOT_SIGNATURE_FLAG_DENY_PIXEL_SHADER_ROOT_ACCESS;
CD3DX12_ROOT_SIGNATURE_DESC.Init(out D3D12_ROOT_SIGNATURE_DESC descRootSignature, 1, ¶meter, 0,
null, rootSignatureFlags);
var pSignature = new ComPtrField <ID3DBlob>();
var pError = new ComPtrField <ID3DBlob>();
ThrowIfFailed(D3D12.D3D12SerializeRootSignature(&descRootSignature,
D3D_ROOT_SIGNATURE_VERSION.D3D_ROOT_SIGNATURE_VERSION_1, pSignature.DangerousGetAddressOf(),
pError.DangerousGetAddressOf()));
Guid iid = D3D12.IID_ID3D12RootSignature;
ID3D12RootSignature *rootSignature;
ThrowIfFailed(d3dDevice->CreateRootSignature(0, pSignature.Ptr->GetBufferPointer(),
pSignature.Ptr->GetBufferSize(), &iid, (void **)&rootSignature));
_rootSignature = rootSignature;
DX.NameD3D12Object(_rootSignature.Ptr, nameof(_rootSignature));
}
}
Task vertexShaderRead = ((Func <Task>)(async() =>
{
const string fileName = "Content/SampleVertexShader.cso";
var size = (UIntPtr) new FileInfo(fileName).Length;
byte[] shader = await File.ReadAllBytesAsync(fileName);
unsafe
{
CopyBytesToBlob(out _vertexShader.GetPinnableReference(), size, shader);
}
}))();
Task pixelShaderRead = ((Func <Task>)(async() =>
{
const string fileName = "Content/SamplePixelShader.cso";
var size = (UIntPtr) new FileInfo(fileName).Length;
byte[] shader = await File.ReadAllBytesAsync(fileName);
unsafe
{
CopyBytesToBlob(out _pixelShader.GetPinnableReference(), size, shader);
}
}))();
await CreatePipelineState(vertexShaderRead, pixelShaderRead).ContinueWith(CreateRendererAssets);
}