From 5b3bc73210ed1847d9bd7a94f06cc0d5de8e0b89 Mon Sep 17 00:00:00 2001 From: Michael Bruning Date: Thu, 13 Nov 2014 15:40:10 +0200 Subject: [PATCH 14/16] Let ANGLE use multithreaded devices if necessary. This is needed to prevent lock-ups in application that use ANGLE from multiple threads, as e.g. QtWebEngine based applications do. The environment variable QT_D3DCREATE_MULTITHREADED is used to communicate this from the QtWebEngine module. Change-Id: Ibd5a5c75eb68af567d420d9a35efb3490c93b27c --- src/3rdparty/angle/src/common/platform.h | 1 + .../angle/src/libGLESv2/renderer/d3d/d3d11/Renderer11.cpp | 10 ++++++++++ .../angle/src/libGLESv2/renderer/d3d/d3d9/Renderer9.cpp | 4 ++++ 3 files changed, 15 insertions(+) diff --git a/src/3rdparty/angle/src/common/platform.h b/src/3rdparty/angle/src/common/platform.h index 0065ec7..8b2190d 100644 --- a/src/3rdparty/angle/src/common/platform.h +++ b/src/3rdparty/angle/src/common/platform.h @@ -57,6 +57,7 @@ # if defined(ANGLE_ENABLE_D3D11) # include +# include # include # include # include diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/Renderer11.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/Renderer11.cpp index f6ba930..46b9984 100644 --- a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/Renderer11.cpp +++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/Renderer11.cpp @@ -258,6 +258,16 @@ EGLint Renderer11::initialize() } #if !defined(ANGLE_ENABLE_WINDOWS_STORE) + static wchar_t *qt_d3dcreate_multihreaded_var = _wgetenv(L"QT_D3DCREATE_MULTITHREADED"); + if (qt_d3dcreate_multihreaded_var && wcsstr(qt_d3dcreate_multihreaded_var, L"1")) + { + ID3D10Multithread *multithread; + result = mDevice->QueryInterface(IID_PPV_ARGS(&multithread)); + ASSERT(SUCCEEDED(result)); + result = multithread->SetMultithreadProtected(true); + ASSERT(SUCCEEDED(result)); + multithread->Release(); + } #if !ANGLE_SKIP_DXGI_1_2_CHECK // In order to create a swap chain for an HWND owned by another process, DXGI 1.2 is required. // The easiest way to check is to query for a IDXGIDevice2. diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/Renderer9.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/Renderer9.cpp index 82963ec..4c552b2 100644 --- a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/Renderer9.cpp +++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/Renderer9.cpp @@ -299,6 +299,10 @@ EGLint Renderer9::initialize() D3DPRESENT_PARAMETERS presentParameters = getDefaultPresentParameters(); DWORD behaviorFlags = D3DCREATE_FPU_PRESERVE | D3DCREATE_NOWINDOWCHANGES; + static wchar_t *qt_d3dcreate_multihreaded_var = _wgetenv(L"QT_D3DCREATE_MULTITHREADED"); + if (qt_d3dcreate_multihreaded_var && wcsstr(qt_d3dcreate_multihreaded_var, L"1")) + behaviorFlags |= D3DCREATE_MULTITHREADED; + { result = mD3d9->CreateDevice(mAdapter, mDeviceType, mDeviceWindow, behaviorFlags | D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE, &presentParameters, &mDevice); } -- 1.9.4.msysgit.1