void InitNullRHI()
{
// Use the null RHI if it was specified on the command line, or if a commandlet is running.
IDynamicRHIModule* DynamicRHIModule = &FModuleManager::LoadModuleChecked<IDynamicRHIModule>(TEXT("NullDrv"));
// Create the dynamic RHI.
if ((DynamicRHIModule == 0) || !DynamicRHIModule->IsSupported())
{
FMessageDialog::Open( EAppMsgType::Ok, NSLOCTEXT("DynamicRHI", "NullDrvFailure", "NullDrv failure?"));
FPlatformMisc::RequestExit(1);
}
GDynamicRHI = DynamicRHIModule->CreateRHI();
GDynamicRHI->Init();
GRHICommandList.GetImmediateCommandList().SetContext(GDynamicRHI->RHIGetDefaultContext());
GUsingNullRHI = true;
GRHISupportsTextureStreaming = false;
}
FDynamicRHI* PlatformCreateDynamicRHI()
{
FDynamicRHI* DynamicRHI = NULL;
// Load the dynamic RHI module.
IDynamicRHIModule* DynamicRHIModule = &FModuleManager::LoadModuleChecked<IDynamicRHIModule>(TEXT("D3D11RHI"));
// Create the dynamic RHI.
if (!DynamicRHIModule->IsSupported())
{
FMessageDialog::Open(EAppMsgType::Ok, NSLOCTEXT("WinRT", "FailedToCreateWinRT_RHI", "WinRTRHI failure?"));
FPlatformMisc::RequestExit(1);
}
else
{
DynamicRHI = DynamicRHIModule->CreateRHI();
}
return DynamicRHI;
}
FDynamicRHI* PlatformCreateDynamicRHI()
{
FDynamicRHI* DynamicRHI = NULL;
IDynamicRHIModule* DynamicRHIModule = NULL;
// Load the dynamic RHI module.
// Use Metal by default on OS versions and devices that support it
if (FPlatformMisc::HasPlatformFeature(TEXT("Metal")))
{
DynamicRHIModule = &FModuleManager::LoadModuleChecked<IDynamicRHIModule>(TEXT("MetalRHI"));
}
else
{
DynamicRHIModule = &FModuleManager::LoadModuleChecked<IDynamicRHIModule>(TEXT("OpenGLDrv"));
}
// Create the dynamic RHI.
DynamicRHI = DynamicRHIModule->CreateRHI();
return DynamicRHI;
}
FDynamicRHI* PlatformCreateDynamicRHI()
{
FDynamicRHI* DynamicRHI = NULL;
IDynamicRHIModule* DynamicRHIModule = NULL;
// Load the dynamic RHI module.
if ((GMacMetalEnabled || GMacOpenGLDisabled || FParse::Param(FCommandLine::Get(),TEXT("metal")) || FParse::Param(FCommandLine::Get(),TEXT("metalsm5"))) && FPlatformMisc::HasPlatformFeature(TEXT("Metal")))
{
DynamicRHIModule = &FModuleManager::LoadModuleChecked<IDynamicRHIModule>(TEXT("MetalRHI"));
}
else if (!GMacOpenGLDisabled)
{
DynamicRHIModule = &FModuleManager::LoadModuleChecked<IDynamicRHIModule>(TEXT("OpenGLDrv"));
}
else
{
FMessageDialog::Open(EAppMsgType::Ok, NSLOCTEXT("MacPlatformCreateDynamicRHI", "OpenGLNotSupported.", "You must have a Metal compatible graphics card and be running OSX 10.11.4 or newer to launch this process."));
FPlatformMisc::RequestExit(true);
}
// Create the dynamic RHI.
DynamicRHI = DynamicRHIModule->CreateRHI();
return DynamicRHI;
}
FDynamicRHI* PlatformCreateDynamicRHI()
{
FDynamicRHI* DynamicRHI = NULL;
// command line overrides
const bool bForceSM5 = FParse::Param(FCommandLine::Get(),TEXT("sm5"));
const bool bForceSM4 = FParse::Param(FCommandLine::Get(), TEXT("sm4"));
const bool bForceVulkan = FParse::Param(FCommandLine::Get(), TEXT("vulkan"));
const bool bForceD3D10 = FParse::Param(FCommandLine::Get(),TEXT("d3d10")) || FParse::Param(FCommandLine::Get(),TEXT("dx10")) || (bForceSM4 && !bForceVulkan);
const bool bForceD3D11 = FParse::Param(FCommandLine::Get(),TEXT("d3d11")) || FParse::Param(FCommandLine::Get(),TEXT("dx11")) || (bForceSM5 && !bForceVulkan);
const bool bForceD3D12 = FParse::Param(FCommandLine::Get(), TEXT("d3d12")) || FParse::Param(FCommandLine::Get(), TEXT("dx12"));
const bool bForceOpenGL = FWindowsPlatformMisc::VerifyWindowsVersion(6, 0) == false || FParse::Param(FCommandLine::Get(), TEXT("opengl")) || FParse::Param(FCommandLine::Get(), TEXT("opengl3")) || FParse::Param(FCommandLine::Get(), TEXT("opengl4"));
if (((bForceD3D12 ? 1 : 0) + (bForceD3D11 ? 1 : 0) + (bForceD3D10 ? 1 : 0) + (bForceOpenGL ? 1 : 0) + (bForceVulkan ? 1 : 0)) > 1)
{
UE_LOG(LogRHI, Fatal,TEXT("-d3d12, -d3d11, -d3d10, -vulkan, and -opengl[3|4] mutually exclusive options, but more than one was specified on the command-line."));
}
// Load the dynamic RHI module.
IDynamicRHIModule* DynamicRHIModule = NULL;
if(bForceOpenGL)
{
DynamicRHIModule = &FModuleManager::LoadModuleChecked<IDynamicRHIModule>(TEXT("OpenGLDrv"));
if (!DynamicRHIModule->IsSupported())
{
FMessageDialog::Open(EAppMsgType::Ok, NSLOCTEXT("WindowsDynamicRHI", "RequiredOpenGL", "OpenGL 3.2 is required to run the engine."));
FPlatformMisc::RequestExit(1);
DynamicRHIModule = NULL;
}
}
else if (bForceVulkan)
{
DynamicRHIModule = &FModuleManager::LoadModuleChecked<IDynamicRHIModule>(TEXT("VulkanRHI"));
if (!DynamicRHIModule->IsSupported())
{
FMessageDialog::Open(EAppMsgType::Ok, NSLOCTEXT("WindowsDynamicRHI", "RequiredVulkan", "Vulkan Driver is required to run the engine."));
FPlatformMisc::RequestExit(1);
DynamicRHIModule = NULL;
}
}
else if (bForceD3D12)
{
DynamicRHIModule = &FModuleManager::LoadModuleChecked<IDynamicRHIModule>(TEXT("D3D12RHI"));
if (!DynamicRHIModule->IsSupported())
{
FMessageDialog::Open(EAppMsgType::Ok, NSLOCTEXT("WindowsDynamicRHI", "RequiredDX12", "DX12 is not supported on your system. Try running without the -dx12 or -d3d12 command line argument."));
FPlatformMisc::RequestExit(1);
DynamicRHIModule = NULL;
}
else if (FPlatformProcess::IsApplicationRunning(TEXT("fraps.exe")))
{
FMessageDialog::Open(EAppMsgType::Ok, NSLOCTEXT("WindowsDynamicRHI", "UseExpressionEncoder", "Fraps has been known to crash D3D12. Please use Microsoft Expression Encoder instead for capturing."));
}
}
else
{
DynamicRHIModule = &FModuleManager::LoadModuleChecked<IDynamicRHIModule>(TEXT("D3D11RHI"));
if (!DynamicRHIModule->IsSupported())
{
FMessageDialog::Open(EAppMsgType::Ok, NSLOCTEXT("WindowsDynamicRHI", "RequiredDX11Feature", "DX11 feature level 10.0 is required to run the engine."));
FPlatformMisc::RequestExit(1);
DynamicRHIModule = NULL;
}
else if (FPlatformProcess::IsApplicationRunning(TEXT("fraps.exe")))
{
FMessageDialog::Open(EAppMsgType::Ok, NSLOCTEXT("WindowsDynamicRHI", "UseExpressionEncoderDX11", "Fraps has been known to crash D3D11. Please use Microsoft Expression Encoder instead for capturing."));
}
}
if (DynamicRHIModule)
{
// Create the dynamic RHI.
DynamicRHI = DynamicRHIModule->CreateRHI();
}
return DynamicRHI;
}
