summaryrefslogtreecommitdiffstats
path: root/src/plugins/platforms/windows/qwindowsopengltester.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsopengltester.cpp')
-rw-r--r--src/plugins/platforms/windows/qwindowsopengltester.cpp84
1 files changed, 65 insertions, 19 deletions
diff --git a/src/plugins/platforms/windows/qwindowsopengltester.cpp b/src/plugins/platforms/windows/qwindowsopengltester.cpp
index c52e4e612e..9a630aff4f 100644
--- a/src/plugins/platforms/windows/qwindowsopengltester.cpp
+++ b/src/plugins/platforms/windows/qwindowsopengltester.cpp
@@ -40,15 +40,15 @@
#include "qwindowsopengltester.h"
#include "qwindowscontext.h"
-#include <QtCore/QVariantMap>
-#include <QtCore/QDebug>
-#include <QtCore/QTextStream>
-#include <QtCore/QCoreApplication>
-#include <QtCore/QFile>
-#include <QtCore/QFileInfo>
-#include <QtCore/QStandardPaths>
-#include <QtCore/QLibraryInfo>
-#include <QtCore/QHash>
+#include <QtCore/qvariant.h>
+#include <QtCore/qdebug.h>
+#include <QtCore/qtextstream.h>
+#include <QtCore/qcoreapplication.h>
+#include <QtCore/qfile.h>
+#include <QtCore/qfileinfo.h>
+#include <QtCore/qstandardpaths.h>
+#include <QtCore/qlibraryinfo.h>
+#include <QtCore/qhash.h>
#ifndef QT_NO_OPENGL
#include <private/qopengl_p.h>
@@ -60,6 +60,8 @@
QT_BEGIN_NAMESPACE
+static const DWORD VENDOR_ID_AMD = 0x1002;
+
GpuDescription GpuDescription::detect()
{
typedef IDirect3D9 * (WINAPI *PtrDirect3DCreate9)(UINT);
@@ -74,9 +76,16 @@ GpuDescription GpuDescription::detect()
IDirect3D9 *direct3D9 = direct3DCreate9(D3D_SDK_VERSION);
if (!direct3D9)
return result;
+
D3DADAPTER_IDENTIFIER9 adapterIdentifier;
- const HRESULT hr = direct3D9->GetAdapterIdentifier(0, 0, &adapterIdentifier);
- direct3D9->Release();
+ bool isAMD = false;
+ // Adapter "0" is D3DADAPTER_DEFAULT which returns the default adapter. In
+ // multi-GPU, multi-screen setups this is the GPU that is associated with
+ // the "main display" in the Display Settings, and this is the GPU OpenGL
+ // and D3D uses by default. Therefore querying any additional adapters is
+ // futile and not useful for our purposes in general, except for
+ // identifying a few special cases later on.
+ HRESULT hr = direct3D9->GetAdapterIdentifier(0, 0, &adapterIdentifier);
if (SUCCEEDED(hr)) {
result.vendorId = adapterIdentifier.VendorId;
result.deviceId = adapterIdentifier.DeviceId;
@@ -90,7 +99,37 @@ GpuDescription GpuDescription::detect()
result.driverVersion = QVersionNumber(version);
result.driverName = adapterIdentifier.Driver;
result.description = adapterIdentifier.Description;
+ isAMD = result.vendorId == VENDOR_ID_AMD;
+ }
+
+ // Detect QTBUG-50371 (having AMD as the default adapter results in a crash
+ // when starting apps on a screen connected to the Intel card) by looking
+ // for a default AMD adapter and an additional non-AMD one.
+ if (isAMD) {
+ const UINT adapterCount = direct3D9->GetAdapterCount();
+ for (UINT adp = 1; adp < adapterCount; ++adp) {
+ hr = direct3D9->GetAdapterIdentifier(adp, 0, &adapterIdentifier);
+ if (SUCCEEDED(hr)) {
+ if (adapterIdentifier.VendorId != VENDOR_ID_AMD) {
+ // Bingo. Now figure out the display for the AMD card.
+ DISPLAY_DEVICE dd;
+ memset(&dd, 0, sizeof(dd));
+ dd.cb = sizeof(dd);
+ for (int dev = 0; EnumDisplayDevices(nullptr, dev, &dd, 0); ++dev) {
+ if (dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE) {
+ // DeviceName is something like \\.\DISPLAY1 which can be used to
+ // match with the MONITORINFOEX::szDevice queried by QWindowsScreen.
+ result.gpuSuitableScreen = QString::fromWCharArray(dd.DeviceName);
+ break;
+ }
+ }
+ break;
+ }
+ }
+ }
}
+
+ direct3D9->Release();
return result;
}
@@ -103,7 +142,8 @@ QDebug operator<<(QDebug d, const GpuDescription &gd)
<< ", deviceId=" << gd.deviceId << ", subSysId=" << gd.subSysId
<< dec << noshowbase << ", revision=" << gd.revision
<< ", driver: " << gd.driverName
- << ", version=" << gd.driverVersion << ", " << gd.description << ')';
+ << ", version=" << gd.driverVersion << ", " << gd.description
+ << gd.gpuSuitableScreen << ')';
return d;
}
#endif // !QT_NO_DEBUG_STREAM
@@ -113,15 +153,17 @@ QString GpuDescription::toString() const
{
QString result;
QTextStream str(&result);
- str << " Card name: " << description
- << "\n Driver Name: " << driverName
- << "\n Driver Version: " << driverVersion.toString()
- << "\n Vendor ID: 0x" << qSetPadChar(QLatin1Char('0'))
+ str << " Card name : " << description
+ << "\n Driver Name : " << driverName
+ << "\n Driver Version : " << driverVersion.toString()
+ << "\n Vendor ID : 0x" << qSetPadChar(QLatin1Char('0'))
<< uppercasedigits << hex << qSetFieldWidth(4) << vendorId
- << "\n Device ID: 0x" << qSetFieldWidth(4) << deviceId
- << "\n SubSys ID: 0x" << qSetFieldWidth(8) << subSysId
- << "\n Revision ID: 0x" << qSetFieldWidth(4) << revision
+ << "\n Device ID : 0x" << qSetFieldWidth(4) << deviceId
+ << "\n SubSys ID : 0x" << qSetFieldWidth(8) << subSysId
+ << "\n Revision ID : 0x" << qSetFieldWidth(4) << revision
<< dec;
+ if (!gpuSuitableScreen.isEmpty())
+ str << "\nGL windows forced to screen: " << gpuSuitableScreen;
return result;
}
@@ -259,6 +301,10 @@ QWindowsOpenGLTester::Renderers QWindowsOpenGLTester::detectSupportedRenderers(c
qCDebug(lcQpaGl) << "Disabling rotation: " << gpu;
result |= DisableRotationFlag;
}
+ if (features.contains(QStringLiteral("disable_program_cache"))) {
+ qCDebug(lcQpaGl) << "Disabling program cache: " << gpu;
+ result |= DisableProgramCacheFlag;
+ }
srCache->insert(qgpu, result);
return result;
#endif // !QT_NO_OPENGL