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DX11 Don't know RT is clearing but why primitive is not rendering

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// Initialize D3D
bool D3DRenderer::Initialize()
{
HRESULT hr;
D3D_DRIVER_TYPE m_pDriverType;
D3D_FEATURE_LEVEL       m_pFeatureLevel;
 
D3D_DRIVER_TYPE driverTypes[] =
    {
        D3D_DRIVER_TYPE_HARDWARE,
        D3D_DRIVER_TYPE_WARP,
        D3D_DRIVER_TYPE_REFERENCE,
    };
UINT numDriverTypes = ARRAYSIZE( driverTypes );
 
// Create the D3D device
    D3D_FEATURE_LEVEL featureLevel[]= 
{
D3D_FEATURE_LEVEL_11_0,
D3D_FEATURE_LEVEL_10_1,
D3D_FEATURE_LEVEL_10_0,
};
int num= ARRAYSIZE(featureLevel);
 
    // Create device, context and swapchain
    DXGI_SWAP_CHAIN_DESC sdDesc;
    ZeroMemory(&sdDesc, sizeof(sdDesc));
sdDesc.BufferDesc.ScanlineOrdering=DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
sdDesc.BufferDesc.Scaling=DXGI_MODE_SCALING_UNSPECIFIED;
sdDesc.BufferDesc.RefreshRate.Numerator   = 60;
    sdDesc.BufferDesc.RefreshRate.Denominator = 1;
sdDesc.BufferDesc.Width                   = m_pWindow->GetWidth();
    sdDesc.BufferDesc.Height                  = m_pWindow->GetHeight();
    sdDesc.BufferDesc.Format                  = DXGI_FORMAT_R8G8B8A8_UNORM;
    sdDesc.BufferCount                        = 1;
sdDesc.BufferUsage                        = DXGI_USAGE_RENDER_TARGET_OUTPUT;
    sdDesc.SampleDesc.Count                   = 1;
    sdDesc.SampleDesc.Quality                 = 0;
    sdDesc.OutputWindow                       = m_pWindow->GetHwnd();
    sdDesc.Windowed                           = TRUE;
    
for( UINT driverTypeIndex = 0; driverTypeIndex < numDriverTypes; driverTypeIndex++ )
    {
        m_pDriverType = driverTypes[driverTypeIndex];
hr = D3D11CreateDeviceAndSwapChain( NULL, m_pDriverType, NULL, NULL, featureLevel, num,
D3D11_SDK_VERSION, &sdDesc, &m_pSwapChain, &m_pDevice, &m_pFeatureLevel, &m_pDeviceContext );
        if( SUCCEEDED( hr ) )
            break;
    }
if(FAILED(hr))
return FALSE;
 
    // Make and set D3D11 render target objects
    hr = m_pSwapChain->GetBuffer(0, __uuidof(*m_pRTTexture2D), reinterpret_cast<void**>(&m_pRTTexture2D));
    CHECK_FAILURE(hr, "Could not create render target texture.");
 
    hr = m_pDevice->CreateRenderTargetView(m_pRTTexture2D, NULL, &m_pRTView);
    CHECK_FAILURE(hr, "Could not create render target view.");
 
 
    // Make and set depth stencil
    D3D11_TEXTURE2D_DESC dsTexDesc;
ZeroMemory(&dsTexDesc, sizeof(dsTexDesc));
    dsTexDesc.Width              = m_pWindow->GetWidth();
    dsTexDesc.Height             = m_pWindow->GetHeight();
    dsTexDesc.MipLevels          = 1;
    dsTexDesc.ArraySize          = 1;
    dsTexDesc.Format             = DXGI_FORMAT_D32_FLOAT;
    dsTexDesc.SampleDesc.Count   = 1;
    dsTexDesc.SampleDesc.Quality = 0;
    dsTexDesc.Usage              = D3D11_USAGE_DEFAULT;
    dsTexDesc.BindFlags          = D3D11_BIND_DEPTH_STENCIL;
    dsTexDesc.CPUAccessFlags     = 0;
    dsTexDesc.MiscFlags          = 0;
    hr = m_pDevice->CreateTexture2D(&dsTexDesc, NULL, &m_pDSTexture2D);
    CHECK_FAILURE(hr, "Could not create depth stencil texture.");
 
hr = m_pDevice->CreateDepthStencilView(m_pDSTexture2D, NULL, &m_pDSView);
    CHECK_FAILURE(hr, "Could not create depth stencil view.");
 
m_pDeviceContext->OMSetRenderTargets(1, &m_pRTView, m_pDSView);
 
// Set depth stencil state
    D3D11_DEPTH_STENCIL_DESC depthStencilDesc;
ZeroMemory(&depthStencilDesc, sizeof(depthStencilDesc));
depthStencilDesc.DepthEnable                  = TRUE;
    depthStencilDesc.DepthWriteMask               = D3D11_DEPTH_WRITE_MASK_ALL;
    depthStencilDesc.DepthFunc                    = D3D11_COMPARISON_ALWAYS;
    depthStencilDesc.StencilEnable                = FALSE;
    hr = m_pDevice->CreateDepthStencilState(&depthStencilDesc, &m_pDSState);
    CHECK_FAILURE(hr, "Could not create depth stencil state.");
    m_pDeviceContext->OMSetDepthStencilState(m_pDSState,0);
 
    // Setup the viewport
    D3D11_VIEWPORT vp;
ZeroMemory(&vp, sizeof(vp));
    vp.Width = m_pWindow->GetWidth();
    vp.Height =m_pWindow->GetHeight();
    vp.MinDepth = 0.0f;
    vp.MaxDepth = 1.0f;
    vp.TopLeftX = 0;
    vp.TopLeftY = 0;
    m_pDeviceContext->RSSetViewports( 1, &vp );
 
// Compile the vertex shader
    ID3DBlob* pVSBlob = NULL;
    hr = CompileShaderFromFile( L"Main.fx", "VS", "vs_4_0", &pVSBlob );
    CHECK_FAILURE(hr, "Could not Compile Vertex Shader");
 
// Create the vertex shader
hr = m_pDevice->CreateVertexShader( pVSBlob->GetBufferPointer(), pVSBlob->GetBufferSize(), NULL, &m_pVertexShader );
CHECK_FAILURE(hr, "Could not Create Vertex Shader");
 
    // Define the input layout
    D3D11_INPUT_ELEMENT_DESC layout[] =
    {
        { "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
        { "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 },
    };
    UINT numElements = sizeof( layout ) / sizeof( layout[0] );
 
    // Create the input layout
hr = m_pDevice->CreateInputLayout( layout, numElements, pVSBlob->GetBufferPointer(),
                                          pVSBlob->GetBufferSize(), &m_pVertexLayout );
pVSBlob->Release();
CHECK_FAILURE(hr, "Could not create ");
 
    // Set the input layout
    m_pDeviceContext->IASetInputLayout( m_pVertexLayout );
 
// Compile the pixel shader
ID3DBlob* pPSBlob = NULL;
    hr = CompileShaderFromFile( L"Main.fx", "PS", "ps_4_0", &pPSBlob );
    CHECK_FAILURE(hr, "Could not Compile Pixel Shader");
 
// Create the pixel shader
hr = m_pDevice->CreatePixelShader( pPSBlob->GetBufferPointer(), pPSBlob->GetBufferSize(), NULL, &m_pPixelShader);
pPSBlob->Release();
    CHECK_FAILURE(hr, "Could not create Pixel Shader");
 
    // Create vertex buffer
    SimpleVertex vertices[] =
    {
{ XMFLOAT3( -1.0f, 1.0f, 0.0f ), XMFLOAT4( 1.0f, 0.0f, 0.0f, 1.0f ) },
        { XMFLOAT3( 1.0f, 1.0f, 0.0f ), XMFLOAT4( 1.0f, 0.0f, 0.0f, 1.0f ) },
        { XMFLOAT3( -1.0f,-1.0f, 1.0f ), XMFLOAT4( 1.0f, 0.0f, 0.0f, 1.0f ) },
        { XMFLOAT3( -1.0f, -1.0f, 1.0f ), XMFLOAT4( 1.0f, 0.0f, 0.0f, 1.0f ) },
        { XMFLOAT3( 1.0f, 1.0f, 0.0f ), XMFLOAT4( 1.0f, 0.0f, 0.0f, 1.0f ) },
        { XMFLOAT3( 1.0f,-1.0f, 1.0f ), XMFLOAT4( 1.0f, 0.0f, 0.0f, 1.0f ) },
 
        { XMFLOAT3( -1.0f, 1.0f, 0.0f ), XMFLOAT4( 1.0f, 1.0f, 1.0f, 1.0f ) },
        { XMFLOAT3( 1.0f, 1.0f, 0.0f ), XMFLOAT4( 1.0f, 1.0f, 1.0f, 1.0f ) },
        { XMFLOAT3( -1.0f,-1.0f, 1.0f ), XMFLOAT4( 1.0f, 1.0f, 1.0f, 1.0f ) },
        { XMFLOAT3( -1.0f, -1.0f, 1.0f ), XMFLOAT4( 1.0f, 1.0f, 1.0f, 1.0f ) },
        { XMFLOAT3( 1.0f, 1.0f, 0.0f ), XMFLOAT4( 1.0f, 1.0f, 0.0f, 1.0f ) },
        { XMFLOAT3( 1.0f,-1.0f, 1.0f ), XMFLOAT4( 1.0f, 1.0f, 1.0f, 1.0f ) },
    };
 
    D3D11_BUFFER_DESC bd;
ZeroMemory(&bd, sizeof(bd));
    bd.Usage = D3D11_USAGE_DEFAULT;
    bd.ByteWidth = sizeof( SimpleVertex ) *12;
    bd.BindFlags = D3D11_BIND_VERTEX_BUFFER;
    bd.CPUAccessFlags = 0;
    bd.MiscFlags = 0;
 
    D3D11_SUBRESOURCE_DATA InitData;
    InitData.pSysMem = vertices;
    hr = m_pDevice->CreateBuffer( &bd, &InitData, &m_pVertexBuffer );
    CHECK_FAILURE(hr, "Could not create Vertex Buffer.");
 
    // Set vertex buffer
    UINT stride = sizeof( SimpleVertex );
    UINT offset = 0;
    m_pDeviceContext->IASetVertexBuffers( 0, 1, &m_pVertexBuffer, &stride, &offset );
 
    // Set primitive topology
    m_pDeviceContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
 
D3D11_RASTERIZER_DESC RSdesc;
ZeroMemory(&RSdesc, sizeof(RSdesc));
RSdesc.CullMode=D3D11_CULL_NONE;
RSdesc.MultisampleEnable=FALSE;
RSdesc.AntialiasedLineEnable=FALSE;
RSdesc.DepthClipEnable=TRUE;
RSdesc.FillMode=D3D11_FILL_SOLID;
RSdesc.FrontCounterClockwise=FALSE;
RSdesc.ScissorEnable=FALSE;
 
m_pDevice->CreateRasterizerState(&RSdesc, &m_pRasterStateNoCulling);  
m_pDeviceContext->RSSetState(m_pRasterStateNoCulling);
 
//Create TExture for Staging resource
    D3D11_TEXTURE2D_DESC descStaging;
ZeroMemory(&descStaging, sizeof(descStaging));
    descStaging.Width = m_pWindow->GetWidth();;
    descStaging.Height= m_pWindow->GetHeight();;
    descStaging.MipLevels = 1;
    descStaging.ArraySize = 1;
    descStaging.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
    descStaging.SampleDesc.Count = 1;
    descStaging.SampleDesc.Quality = 0;
    descStaging.Usage = D3D11_USAGE_STAGING;
    descStaging.BindFlags = 0;
    descStaging.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
    descStaging.MiscFlags = 0;
    hr=m_pDevice->CreateTexture2D(&descStaging,NULL,&m_sRTTexture2D);
    CHECK_FAILURE(hr, "Could not create texture for staging resource.");
return true;
}
 
//--------------------------------------------------------------------------------------
// Helper for compiling shaders with D3DX11
//--------------------------------------------------------------------------------------
HRESULT D3DRenderer::CompileShaderFromFile( WCHAR* szFileName, LPCSTR szEntryPoint, LPCSTR szShaderModel, ID3DBlob** ppBlobOut )
{
    HRESULT hr = S_OK;
 
    DWORD dwShaderFlags = D3DCOMPILE_ENABLE_STRICTNESS;
#if defined( DEBUG ) || defined( _DEBUG )
    // Set the D3DCOMPILE_DEBUG flag to embed debug information in the shaders.
    // Setting this flag improves the shader debugging experience, but still allows 
    // the shaders to be optimized and to run exactly the way they will run in 
    // the release configuration of this program.
    dwShaderFlags |= D3DCOMPILE_DEBUG;
#endif
 
    ID3DBlob* pErrorBlob;
    hr = D3DCompileFromFile(szFileName, NULL, NULL, szEntryPoint, szShaderModel, 
        dwShaderFlags, 0, ppBlobOut, &pErrorBlob);
    if( FAILED(hr) )
    {
        if( pErrorBlob != NULL )
            OutputDebugStringA( (char*)pErrorBlob->GetBufferPointer() );
        if( pErrorBlob ) pErrorBlob->Release();
        return hr;
    }
    if( pErrorBlob ) pErrorBlob->Release();
 
    return S_OK;
}

Run(TestCase* pTest)
{
    strcpy_s(m_lastError, "");
    ClearRenderTargetView();
    ClearDepthStencilView();
 
    // Render before NVAPI test enabled
m_pDeviceContext->VSSetShader( m_pVertexShader, NULL, 0 );
m_pDeviceContext->PSSetShader( m_pPixelShader, NULL, 0 );
    m_pDeviceContext->Draw( 6, 0 );

}

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You will not get many responses with a post like this.  In general, you should try to describe the problem more thoroughly (and not only in the subject line...).  What have you tried, and what symptoms do you see?  Where did your code come from - was it based on a known working program, or is it completely new code?

 

Information like this will help others help you.

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I tried rendering some geometry on to the back buffer, with enabling Z testing. but I found that "ClearRenderTargetView()" is clearing the render target(Backbuffer), but draw call was not successful. I meant primitives are not drawing onto the backbuffer.  

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I tried rendering some geometry on to the back buffer, with enabling Z testing. but I found that "ClearRenderTargetView()" is clearing the render target(Backbuffer), but draw call was not successful. I meant primitives are not drawing onto the backbuffer.  

even I disabled the Z testing, still I was getting the same results.

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