/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "DeviceManagerDx.h" #include "D3D11Checks.h" #include "gfxConfig.h" #include "GfxDriverInfo.h" #include "gfxPrefs.h" #include "gfxWindowsPlatform.h" #include "mozilla/D3DMessageUtils.h" #include "mozilla/WindowsVersion.h" #include "mozilla/gfx/GraphicsMessages.h" #include "mozilla/gfx/Logging.h" #include "mozilla/layers/CompositorThread.h" #include "nsIGfxInfo.h" #include <d3d11.h> #include <ddraw.h> namespace mozilla { namespace gfx { using namespace mozilla::widget; StaticAutoPtr<DeviceManagerDx> DeviceManagerDx::sInstance; // We don't have access to the D3D11CreateDevice type in gfxWindowsPlatform.h, // since it doesn't include d3d11.h, so we use a static here. It should only // be used within InitializeD3D11. decltype(D3D11CreateDevice)* sD3D11CreateDeviceFn = nullptr; // We don't have access to the DirectDrawCreateEx type in gfxWindowsPlatform.h, // since it doesn't include ddraw.h, so we use a static here. It should only // be used within InitializeDirectDrawConfig. decltype(DirectDrawCreateEx)* sDirectDrawCreateExFn = nullptr; /* static */ void DeviceManagerDx::Init() { sInstance = new DeviceManagerDx(); } /* static */ void DeviceManagerDx::Shutdown() { sInstance = nullptr; } DeviceManagerDx::DeviceManagerDx() : mDeviceLock("gfxWindowsPlatform.mDeviceLock"), mCompositorDeviceSupportsVideo(false) { // Set up the D3D11 feature levels we can ask for. if (IsWin8OrLater()) { mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_11_1); } mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_11_0); mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_10_1); mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_10_0); } bool DeviceManagerDx::LoadD3D11() { FeatureState& d3d11 = gfxConfig::GetFeature(Feature::D3D11_COMPOSITING); MOZ_ASSERT(d3d11.IsEnabled()); if (sD3D11CreateDeviceFn) { return true; } nsModuleHandle module(LoadLibrarySystem32(L"d3d11.dll")); if (!module) { d3d11.SetFailed(FeatureStatus::Unavailable, "Direct3D11 not available on this computer", NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_LIB")); return false; } sD3D11CreateDeviceFn = (decltype(D3D11CreateDevice)*)GetProcAddress(module, "D3D11CreateDevice"); if (!sD3D11CreateDeviceFn) { // We should just be on Windows Vista or XP in this case. d3d11.SetFailed(FeatureStatus::Unavailable, "Direct3D11 not available on this computer", NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_FUNCPTR")); return false; } mD3D11Module.steal(module); return true; } void DeviceManagerDx::ReleaseD3D11() { MOZ_ASSERT(!mCompositorDevice); MOZ_ASSERT(!mContentDevice); MOZ_ASSERT(!mDecoderDevice); mD3D11Module.reset(); sD3D11CreateDeviceFn = nullptr; } static inline bool ProcessOwnsCompositor() { return XRE_GetProcessType() == GeckoProcessType_GPU || (XRE_IsParentProcess() && !gfxConfig::IsEnabled(Feature::GPU_PROCESS)); } bool DeviceManagerDx::CreateCompositorDevices() { MOZ_ASSERT(ProcessOwnsCompositor()); FeatureState& d3d11 = gfxConfig::GetFeature(Feature::D3D11_COMPOSITING); MOZ_ASSERT(d3d11.IsEnabled()); if (!LoadD3D11()) { return false; } CreateCompositorDevice(d3d11); if (!d3d11.IsEnabled()) { MOZ_ASSERT(!mCompositorDevice); ReleaseD3D11(); return false; } // We leak these everywhere and we need them our entire runtime anyway, let's // leak it here as well. We keep the pointer to sD3D11CreateDeviceFn around // as well for D2D1 and device resets. mD3D11Module.disown(); MOZ_ASSERT(mCompositorDevice); return d3d11.IsEnabled(); } void DeviceManagerDx::ImportDeviceInfo(const D3D11DeviceStatus& aDeviceStatus) { MOZ_ASSERT(!ProcessOwnsCompositor()); mDeviceStatus = Some(aDeviceStatus); } void DeviceManagerDx::ExportDeviceInfo(D3D11DeviceStatus* aOut) { // Even though the parent process might not own the compositor, we still // populate DeviceManagerDx with device statistics (for simplicity). // That means it still gets queried for compositor information. MOZ_ASSERT(XRE_IsParentProcess() || XRE_GetProcessType() == GeckoProcessType_GPU); if (mDeviceStatus) { *aOut = mDeviceStatus.value(); } } void DeviceManagerDx::CreateContentDevices() { MOZ_ASSERT(gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)); if (!LoadD3D11()) { return; } // We should have been assigned a DeviceStatus from the parent process, // GPU process, or the same process if using in-process compositing. MOZ_ASSERT(mDeviceStatus); if (CreateContentDevice() == FeatureStatus::CrashedInHandler) { DisableD3D11AfterCrash(); } } IDXGIAdapter1* DeviceManagerDx::GetDXGIAdapter() { if (mAdapter) { return mAdapter; } nsModuleHandle dxgiModule(LoadLibrarySystem32(L"dxgi.dll")); decltype(CreateDXGIFactory1)* createDXGIFactory1 = (decltype(CreateDXGIFactory1)*) GetProcAddress(dxgiModule, "CreateDXGIFactory1"); if (!createDXGIFactory1) { return nullptr; } // Try to use a DXGI 1.1 adapter in order to share resources // across processes. RefPtr<IDXGIFactory1> factory1; HRESULT hr = createDXGIFactory1(__uuidof(IDXGIFactory1), getter_AddRefs(factory1)); if (FAILED(hr) || !factory1) { // This seems to happen with some people running the iZ3D driver. // They won't get acceleration. return nullptr; } if (!mDeviceStatus) { // If we haven't created a device yet, and have no existing device status, // then this must be the compositor device. Pick the first adapter we can. if (FAILED(factory1->EnumAdapters1(0, getter_AddRefs(mAdapter)))) { return nullptr; } } else { // In the UI and GPU process, we clear mDeviceStatus on device reset, so we // should never reach here. Furthermore, the UI process does not create // devices when using a GPU process. // // So, this should only ever get called on the content process. MOZ_ASSERT(XRE_IsContentProcess()); // In the child process, we search for the adapter that matches the parent // process. The first adapter can be mismatched on dual-GPU systems. for (UINT index = 0; ; index++) { RefPtr<IDXGIAdapter1> adapter; if (FAILED(factory1->EnumAdapters1(index, getter_AddRefs(adapter)))) { break; } const DxgiAdapterDesc& preferred = mDeviceStatus->adapter(); DXGI_ADAPTER_DESC desc; if (SUCCEEDED(adapter->GetDesc(&desc)) && desc.AdapterLuid.HighPart == preferred.AdapterLuid.HighPart && desc.AdapterLuid.LowPart == preferred.AdapterLuid.LowPart && desc.VendorId == preferred.VendorId && desc.DeviceId == preferred.DeviceId) { mAdapter = adapter.forget(); break; } } } if (!mAdapter) { return nullptr; } // We leak this module everywhere, we might as well do so here as well. dxgiModule.disown(); return mAdapter; } bool DeviceManagerDx::CreateCompositorDeviceHelper( FeatureState& aD3d11, IDXGIAdapter1* aAdapter, bool aAttemptVideoSupport, RefPtr<ID3D11Device>& aOutDevice) { // Check if a failure was injected for testing. if (gfxPrefs::DeviceFailForTesting()) { aD3d11.SetFailed(FeatureStatus::Failed, "Direct3D11 device failure simulated by preference", NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_SIM")); return false; } // Use D3D11_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS // to prevent bug 1092260. IE 11 also uses this flag. UINT flags = D3D11_CREATE_DEVICE_BGRA_SUPPORT | D3D11_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS; if (aAttemptVideoSupport) { flags |= D3D11_CREATE_DEVICE_VIDEO_SUPPORT; } HRESULT hr; RefPtr<ID3D11Device> device; if (!CreateDevice(aAdapter, D3D_DRIVER_TYPE_UNKNOWN, flags, hr, device)) { if (!aAttemptVideoSupport) { gfxCriticalError() << "Crash during D3D11 device creation"; aD3d11.SetFailed(FeatureStatus::CrashedInHandler, "Crashed trying to acquire a D3D11 device", NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_DEVICE1")); } return false; } if (FAILED(hr) || !device) { if (!aAttemptVideoSupport) { aD3d11.SetFailed(FeatureStatus::Failed, "Failed to acquire a D3D11 device", NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_DEVICE2")); } return false; } if (!D3D11Checks::DoesDeviceWork()) { if (!aAttemptVideoSupport) { aD3d11.SetFailed(FeatureStatus::Broken, "Direct3D11 device was determined to be broken", NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_BROKEN")); } return false; } aOutDevice = device; return true; } void DeviceManagerDx::CreateCompositorDevice(FeatureState& d3d11) { if (gfxPrefs::LayersD3D11ForceWARP()) { CreateWARPCompositorDevice(); return; } RefPtr<IDXGIAdapter1> adapter = GetDXGIAdapter(); if (!adapter) { d3d11.SetFailed(FeatureStatus::Unavailable, "Failed to acquire a DXGI adapter", NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_DXGI")); return; } if (XRE_IsGPUProcess() && !D3D11Checks::DoesRemotePresentWork(adapter)) { d3d11.SetFailed( FeatureStatus::Unavailable, "DXGI does not support out-of-process presentation", NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_REMOTE_PRESENT")); return; } RefPtr<ID3D11Device> device; if (!CreateCompositorDeviceHelper(d3d11, adapter, true, device)) { // Try again without video support and record that it failed. mCompositorDeviceSupportsVideo = false; if (!CreateCompositorDeviceHelper(d3d11, adapter, false, device)) { return; } } else { mCompositorDeviceSupportsVideo = true; } // Only test this when not using WARP since it can fail and cause // GetDeviceRemovedReason to return weird values. bool textureSharingWorks = D3D11Checks::DoesTextureSharingWork(device); DXGI_ADAPTER_DESC desc; PodZero(&desc); adapter->GetDesc(&desc); if (!textureSharingWorks) { gfxConfig::SetFailed(Feature::D3D11_HW_ANGLE, FeatureStatus::Broken, "Texture sharing doesn't work"); } if (D3D11Checks::DoesRenderTargetViewNeedRecreating(device)) { gfxConfig::SetFailed(Feature::D3D11_HW_ANGLE, FeatureStatus::Broken, "RenderTargetViews need recreating"); } if (XRE_IsParentProcess()) { // It seems like this may only happen when we're using the NVIDIA gpu D3D11Checks::WarnOnAdapterMismatch(device); } int featureLevel = device->GetFeatureLevel(); { MutexAutoLock lock(mDeviceLock); mCompositorDevice = device; mDeviceStatus = Some(D3D11DeviceStatus( false, textureSharingWorks, featureLevel, DxgiAdapterDesc::From(desc))); } mCompositorDevice->SetExceptionMode(0); } bool DeviceManagerDx::CreateDevice(IDXGIAdapter* aAdapter, D3D_DRIVER_TYPE aDriverType, UINT aFlags, HRESULT& aResOut, RefPtr<ID3D11Device>& aOutDevice) { MOZ_SEH_TRY { aResOut = sD3D11CreateDeviceFn( aAdapter, aDriverType, nullptr, aFlags, mFeatureLevels.Elements(), mFeatureLevels.Length(), D3D11_SDK_VERSION, getter_AddRefs(aOutDevice), nullptr, nullptr); } MOZ_SEH_EXCEPT (EXCEPTION_EXECUTE_HANDLER) { return false; } return true; } void DeviceManagerDx::CreateWARPCompositorDevice() { FeatureState& d3d11 = gfxConfig::GetFeature(Feature::D3D11_COMPOSITING); HRESULT hr; RefPtr<ID3D11Device> device; // Use D3D11_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS // to prevent bug 1092260. IE 11 also uses this flag. UINT flags = D3D11_CREATE_DEVICE_BGRA_SUPPORT; if (!CreateDevice(nullptr, D3D_DRIVER_TYPE_WARP, flags, hr, device)) { gfxCriticalError() << "Exception occurred initializing WARP D3D11 device!"; d3d11.SetFailed(FeatureStatus::CrashedInHandler, "Crashed creating a D3D11 WARP device", NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_WARP_DEVICE")); } if (FAILED(hr) || !device) { // This should always succeed... in theory. gfxCriticalError() << "Failed to initialize WARP D3D11 device! " << hexa(hr); d3d11.SetFailed(FeatureStatus::Failed, "Failed to create a D3D11 WARP device", NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_WARP_DEVICE2")); return; } // Only test for texture sharing on Windows 8 since it puts the device into // an unusable state if used on Windows 7 bool textureSharingWorks = false; if (IsWin8OrLater()) { textureSharingWorks = D3D11Checks::DoesTextureSharingWork(device); } DxgiAdapterDesc nullAdapter; PodZero(&nullAdapter); int featureLevel = device->GetFeatureLevel(); { MutexAutoLock lock(mDeviceLock); mCompositorDevice = device; mDeviceStatus = Some(D3D11DeviceStatus( true, textureSharingWorks, featureLevel, nullAdapter)); } mCompositorDevice->SetExceptionMode(0); } FeatureStatus DeviceManagerDx::CreateContentDevice() { RefPtr<IDXGIAdapter1> adapter; if (!mDeviceStatus->isWARP()) { adapter = GetDXGIAdapter(); if (!adapter) { gfxCriticalNote << "Could not get a DXGI adapter"; return FeatureStatus::Unavailable; } } HRESULT hr; RefPtr<ID3D11Device> device; UINT flags = D3D11_CREATE_DEVICE_BGRA_SUPPORT; D3D_DRIVER_TYPE type = mDeviceStatus->isWARP() ? D3D_DRIVER_TYPE_WARP : D3D_DRIVER_TYPE_UNKNOWN; if (!CreateDevice(adapter, type, flags, hr, device)) { gfxCriticalNote << "Recovered from crash while creating a D3D11 content device"; return FeatureStatus::CrashedInHandler; } if (FAILED(hr) || !device) { gfxCriticalNote << "Failed to create a D3D11 content device: " << hexa(hr); return FeatureStatus::Failed; } // InitializeD2D() will abort early if the compositor device did not support // texture sharing. If we're in the content process, we can't rely on the // parent device alone: some systems have dual GPUs that are capable of // binding the parent and child processes to different GPUs. As a safety net, // we re-check texture sharing against the newly created D3D11 content device. // If it fails, we won't use Direct2D. if (XRE_IsContentProcess()) { if (!D3D11Checks::DoesTextureSharingWork(device)) { return FeatureStatus::Failed; } DebugOnly<bool> ok = ContentAdapterIsParentAdapter(device); MOZ_ASSERT(ok); } { MutexAutoLock lock(mDeviceLock); mContentDevice = device; } mContentDevice->SetExceptionMode(0); RefPtr<ID3D10Multithread> multi; hr = mContentDevice->QueryInterface(__uuidof(ID3D10Multithread), getter_AddRefs(multi)); if (SUCCEEDED(hr) && multi) { multi->SetMultithreadProtected(TRUE); } return FeatureStatus::Available; } RefPtr<ID3D11Device> DeviceManagerDx::CreateDecoderDevice() { bool isAMD = false; { MutexAutoLock lock(mDeviceLock); if (!mDeviceStatus) { return nullptr; } isAMD = mDeviceStatus->adapter().VendorId == 0x1002; } bool reuseDevice = false; if (gfxPrefs::Direct3D11ReuseDecoderDevice() < 0) { // Use the default logic, which is to allow reuse of devices on AMD, but create // separate devices everywhere else. if (isAMD) { reuseDevice = true; } } else if (gfxPrefs::Direct3D11ReuseDecoderDevice() > 0) { reuseDevice = true; } if (reuseDevice) { if (mCompositorDevice && mCompositorDeviceSupportsVideo && !mDecoderDevice) { mDecoderDevice = mCompositorDevice; RefPtr<ID3D10Multithread> multi; mDecoderDevice->QueryInterface(__uuidof(ID3D10Multithread), getter_AddRefs(multi)); if (multi) { multi->SetMultithreadProtected(TRUE); } } if (mDecoderDevice) { RefPtr<ID3D11Device> dev = mDecoderDevice; return dev.forget(); } } if (!sD3D11CreateDeviceFn) { // We should just be on Windows Vista or XP in this case. return nullptr; } RefPtr<IDXGIAdapter1> adapter = GetDXGIAdapter(); if (!adapter) { return nullptr; } HRESULT hr; RefPtr<ID3D11Device> device; UINT flags = D3D11_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS | D3D11_CREATE_DEVICE_VIDEO_SUPPORT; if (!CreateDevice(adapter, D3D_DRIVER_TYPE_UNKNOWN, flags, hr, device)) { return nullptr; } if (FAILED(hr) || !device || !D3D11Checks::DoesDeviceWork()) { return nullptr; } RefPtr<ID3D10Multithread> multi; device->QueryInterface(__uuidof(ID3D10Multithread), getter_AddRefs(multi)); multi->SetMultithreadProtected(TRUE); if (reuseDevice) { mDecoderDevice = device; } return device; } void DeviceManagerDx::ResetDevices() { MutexAutoLock lock(mDeviceLock); mAdapter = nullptr; mCompositorDevice = nullptr; mContentDevice = nullptr; mDeviceStatus = Nothing(); mDeviceResetReason = Nothing(); Factory::SetDirect3D11Device(nullptr); } bool DeviceManagerDx::MaybeResetAndReacquireDevices() { DeviceResetReason resetReason; if (!HasDeviceReset(&resetReason)) { return false; } bool createCompositorDevice = !!mCompositorDevice; bool createContentDevice = !!mContentDevice; ResetDevices(); if (createCompositorDevice && !CreateCompositorDevices()) { // Just stop, don't try anything more return true; } if (createContentDevice) { CreateContentDevices(); } return true; } bool DeviceManagerDx::ContentAdapterIsParentAdapter(ID3D11Device* device) { DXGI_ADAPTER_DESC desc; if (!D3D11Checks::GetDxgiDesc(device, &desc)) { gfxCriticalNote << "Could not query device DXGI adapter info"; return false; } const DxgiAdapterDesc& preferred = mDeviceStatus->adapter(); if (desc.VendorId != preferred.VendorId || desc.DeviceId != preferred.DeviceId || desc.SubSysId != preferred.SubSysId || desc.AdapterLuid.HighPart != preferred.AdapterLuid.HighPart || desc.AdapterLuid.LowPart != preferred.AdapterLuid.LowPart) { gfxCriticalNote << "VendorIDMismatch P " << hexa(preferred.VendorId) << " " << hexa(desc.VendorId); return false; } return true; } static DeviceResetReason HResultToResetReason(HRESULT hr) { switch (hr) { case DXGI_ERROR_DEVICE_HUNG: return DeviceResetReason::HUNG; case DXGI_ERROR_DEVICE_REMOVED: return DeviceResetReason::REMOVED; case DXGI_ERROR_DEVICE_RESET: return DeviceResetReason::RESET; case DXGI_ERROR_DRIVER_INTERNAL_ERROR: return DeviceResetReason::DRIVER_ERROR; case DXGI_ERROR_INVALID_CALL: return DeviceResetReason::INVALID_CALL; case E_OUTOFMEMORY: return DeviceResetReason::OUT_OF_MEMORY; default: MOZ_ASSERT(false); } return DeviceResetReason::UNKNOWN; } bool DeviceManagerDx::HasDeviceReset(DeviceResetReason* aOutReason) { MutexAutoLock lock(mDeviceLock); if (mDeviceResetReason) { if (aOutReason) { *aOutReason = mDeviceResetReason.value(); } return true; } DeviceResetReason reason; if (GetAnyDeviceRemovedReason(&reason)) { mDeviceResetReason = Some(reason); if (aOutReason) { *aOutReason = reason; } return true; } return false; } static inline bool DidDeviceReset(const RefPtr<ID3D11Device>& aDevice, DeviceResetReason* aOutReason) { if (!aDevice) { return false; } HRESULT hr = aDevice->GetDeviceRemovedReason(); if (hr == S_OK) { return false; } *aOutReason = HResultToResetReason(hr); return true; } bool DeviceManagerDx::GetAnyDeviceRemovedReason(DeviceResetReason* aOutReason) { // Caller must own the lock, since we access devices directly, and can be // called from any thread. mDeviceLock.AssertCurrentThreadOwns(); if (DidDeviceReset(mCompositorDevice, aOutReason) || DidDeviceReset(mContentDevice, aOutReason)) { return true; } if (XRE_IsParentProcess() && NS_IsMainThread() && gfxPrefs::DeviceResetForTesting()) { gfxPrefs::SetDeviceResetForTesting(0); *aOutReason = DeviceResetReason::FORCED_RESET; return true; } return false; } void DeviceManagerDx::ForceDeviceReset(ForcedDeviceResetReason aReason) { { MutexAutoLock lock(mDeviceLock); mDeviceResetReason = Some(DeviceResetReason::FORCED_RESET); } } void DeviceManagerDx::NotifyD3D9DeviceReset() { MutexAutoLock lock(mDeviceLock); mDeviceResetReason = Some(DeviceResetReason::D3D9_RESET); } void DeviceManagerDx::DisableD3D11AfterCrash() { gfxConfig::Disable(Feature::D3D11_COMPOSITING, FeatureStatus::CrashedInHandler, "Crashed while acquiring a Direct3D11 device", NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_CRASH")); ResetDevices(); } RefPtr<ID3D11Device> DeviceManagerDx::GetCompositorDevice() { MutexAutoLock lock(mDeviceLock); return mCompositorDevice; } RefPtr<ID3D11Device> DeviceManagerDx::GetContentDevice() { MutexAutoLock lock(mDeviceLock); return mContentDevice; } unsigned DeviceManagerDx::GetCompositorFeatureLevel() const { if (!mDeviceStatus) { return 0; } return mDeviceStatus->featureLevel(); } bool DeviceManagerDx::TextureSharingWorks() { MutexAutoLock lock(mDeviceLock); if (!mDeviceStatus) { return false; } return mDeviceStatus->textureSharingWorks(); } bool DeviceManagerDx::CanInitializeKeyedMutexTextures() { MutexAutoLock lock(mDeviceLock); if (!mDeviceStatus) { return false; } // Disable this on all Intel devices because of crashes. // See bug 1292923. return mDeviceStatus->adapter().VendorId != 0x8086; } bool DeviceManagerDx::CheckRemotePresentSupport() { MOZ_ASSERT(XRE_IsParentProcess()); RefPtr<IDXGIAdapter1> adapter = GetDXGIAdapter(); if (!adapter) { return false; } if (!D3D11Checks::DoesRemotePresentWork(adapter)) { return false; } return true; } bool DeviceManagerDx::IsWARP() { MutexAutoLock lock(mDeviceLock); if (!mDeviceStatus) { return false; } return mDeviceStatus->isWARP(); } void DeviceManagerDx::InitializeDirectDraw() { MOZ_ASSERT(layers::CompositorThreadHolder::IsInCompositorThread()); if (mDirectDraw) { // Already initialized. return; } FeatureState& ddraw = gfxConfig::GetFeature(Feature::DIRECT_DRAW); if (!ddraw.IsEnabled()) { return; } // Check if DirectDraw is available on this system. mDirectDrawDLL.own(LoadLibrarySystem32(L"ddraw.dll")); if (!mDirectDrawDLL) { ddraw.SetFailed(FeatureStatus::Unavailable, "DirectDraw not available on this computer", NS_LITERAL_CSTRING("FEATURE_FAILURE_DDRAW_LIB")); return; } sDirectDrawCreateExFn = (decltype(DirectDrawCreateEx)*)GetProcAddress(mDirectDrawDLL, "DirectDrawCreateEx"); if (!sDirectDrawCreateExFn) { ddraw.SetFailed(FeatureStatus::Unavailable, "DirectDraw not available on this computer", NS_LITERAL_CSTRING("FEATURE_FAILURE_DDRAW_LIB")); return; } HRESULT hr; MOZ_SEH_TRY { hr = sDirectDrawCreateExFn(nullptr, getter_AddRefs(mDirectDraw), IID_IDirectDraw7, nullptr); } MOZ_SEH_EXCEPT(EXCEPTION_EXECUTE_HANDLER) { ddraw.SetFailed(FeatureStatus::Failed, "Failed to create DirectDraw", NS_LITERAL_CSTRING("FEATURE_FAILURE_DDRAW_LIB")); gfxCriticalNote << "DoesCreatingDirectDrawFailed"; return; } if (FAILED(hr)) { ddraw.SetFailed(FeatureStatus::Failed, "Failed to create DirectDraw", NS_LITERAL_CSTRING("FEATURE_FAILURE_DDRAW_LIB")); gfxCriticalNote << "DoesCreatingDirectDrawFailed " << hexa(hr); return; } } IDirectDraw7* DeviceManagerDx::GetDirectDraw() { return mDirectDraw; } } // namespace gfx } // namespace mozilla