//--------------------------------------------------------------------------------------
// Entry point to the program
//--------------------------------------------------------------------------------------
int __cdecl wmain()
{
// Enable run-time memory check for debug builds.
#if defined(DEBUG) | defined(_DEBUG)
_CrtSetDbgFlag( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
#endif
// Generate a random list of numbers to sort
// Not intended for production code
srand( GetTickCount() );
std::generate( data.begin(), data.end(), SampleRand );
// Create the device
HRESULT hr = InitDevice();
if ( FAILED (hr) )
{
if ( hr == DXUTERR_NODIRECT3D11 )
{
OSVERSIONINFOEX osv;
memset( &osv, 0, sizeof(osv) );
osv.dwOSVersionInfoSize = sizeof(osv);
GetVersionEx( (LPOSVERSIONINFO)&osv );
if ( ( osv.dwMajorVersion > 6 )
|| ( osv.dwMajorVersion == 6 && osv.dwMinorVersion >= 1 )
|| ( osv.dwMajorVersion == 6 && osv.dwMinorVersion == 0 && osv.dwBuildNumber > 6002 ) )
{
MessageBox( 0, L"Direct3D 11 components were not found.", L"Error", MB_ICONEXCLAMATION );
// This should not happen, but is here for completeness as the system could be
// corrupted or some future OS version could pull D3D11.DLL for some reason
}
else if ( osv.dwMajorVersion == 6 && osv.dwMinorVersion == 0 && osv.dwBuildNumber == 6002 )
{
MessageBox( 0, L"Direct3D 11 components were not found, but are available for"\
L" this version of Windows.\n"\
L"For details see Microsoft Knowledge Base Article #971644\n"\
L"http://support.microsoft.com/default.aspx/kb/971644/", L"Error", MB_ICONEXCLAMATION );
}
else if ( osv.dwMajorVersion == 6 && osv.dwMinorVersion == 0 )
{
MessageBox( 0, L"Direct3D 11 components were not found. Please install the latest Service Pack.\n"\
L"For details see Microsoft Knowledge Base Article #935791\n"\
L" http://support.microsoft.com/default.aspx/kb/935791", L"Error", MB_ICONEXCLAMATION );
}
else
{
MessageBox( 0, L"Direct3D 11 is not supported on this OS.", L"Error", MB_ICONEXCLAMATION );
}
}
printf( "Failed to create the device. Exiting.\n" );
return 1;
}
// Create the buffers and shaders
if( FAILED( CreateResources() ) )
{
printf( "Failed to create resources. Exiting.\n" );
return 1;
}
printf( "Sorting %u Elements\n", NUM_ELEMENTS );
// GPU Bitonic Sort
printf( "Starting GPU Bitonic Sort...\n" );
GPUSort();
printf( "...GPU Bitonic Sort Finished\n" );
// Sort the data on the CPU to compare for correctness
printf( "Starting CPU Sort...\n" );
CPUSort();
printf( "...CPU Sort Finished\n" );
// Compare the results for correctness
bool bComparisonSucceeded = true;
for( UINT i = 0 ; i < NUM_ELEMENTS ; ++i )
{
if( data[i] != results[i] )
{
bComparisonSucceeded = false;
break;
}
}
printf( "Comparison %s\n", (bComparisonSucceeded)? "Succeeded" : "FAILED" );
// Cleanup the resources
SAFE_RELEASE( g_pReadBackBuffer );
SAFE_RELEASE( g_pBuffer2UAV );
SAFE_RELEASE( g_pBuffer1UAV );
SAFE_RELEASE( g_pBuffer2SRV );
SAFE_RELEASE( g_pBuffer1SRV );
SAFE_RELEASE( g_pBuffer2 );
SAFE_RELEASE( g_pBuffer1 );
SAFE_RELEASE( g_pCB );
SAFE_RELEASE( g_pComputeShaderTranspose );
SAFE_RELEASE( g_pComputeShaderBitonic );
SAFE_RELEASE( g_pd3dImmediateContext );
SAFE_RELEASE( g_pd3dDevice );
return 0;
}
//--------------------------------------------------------------------------------------
// Entry point to the program
//--------------------------------------------------------------------------------------
int __cdecl wmain()
{
// Enable run-time memory check for debug builds.
#if defined(DEBUG) | defined(_DEBUG)
_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
#endif
// Generate a random list of numbers to sort
// Not intended for production code
srand(GetTickCount());
std::generate(data.begin(), data.end(), SampleRand);
// Create the device
HRESULT hr = InitDevice();
if (FAILED(hr))
{
if (hr == DXUTERR_NODIRECT3D)
{
MessageBox(0, L"Direct3D 11 components were not found.\n"
L"For details see Microsoft Knowledge Base\n"
L"https://support.microsoft.com/",
L"Error", MB_ICONEXCLAMATION);
}
printf("Failed to create the device. Exiting.\n");
return 1;
}
// Create the buffers and shaders
if (FAILED(CreateResources()))
{
printf("Failed to create resources. Exiting.\n");
return 1;
}
printf("Sorting %u Elements\n", NUM_ELEMENTS);
// GPU Bitonic Sort
printf("Starting GPU Bitonic Sort...\n");
GPUSort();
printf("...GPU Bitonic Sort Finished\n");
// Sort the data on the CPU to compare for correctness
printf("Starting CPU Sort...\n");
CPUSort();
printf("...CPU Sort Finished\n");
// Compare the results for correctness
bool bComparisonSucceeded = true;
for (UINT i = 0; i < NUM_ELEMENTS; ++i)
{
if (data[i] != results[i])
{
bComparisonSucceeded = false;
break;
}
}
printf("Comparison %s\n", (bComparisonSucceeded) ? "Succeeded" : "FAILED");
// Cleanup the resources
SAFE_RELEASE(g_pReadBackBuffer);
SAFE_RELEASE(g_pBuffer2UAV);
SAFE_RELEASE(g_pBuffer1UAV);
SAFE_RELEASE(g_pBuffer2SRV);
SAFE_RELEASE(g_pBuffer1SRV);
SAFE_RELEASE(g_pBuffer2);
SAFE_RELEASE(g_pBuffer1);
SAFE_RELEASE(g_pCB);
SAFE_RELEASE(g_pComputeShaderTranspose);
SAFE_RELEASE(g_pComputeShaderBitonic);
SAFE_RELEASE(g_pd3dImmediateContext);
SAFE_RELEASE(g_pd3dDevice);
return 0;
}