diff options
6 files changed, 162 insertions, 42 deletions
diff --git a/src/plugins/platforms/windows/qwindowseglcontext.cpp b/src/plugins/platforms/windows/qwindowseglcontext.cpp index c0d0c1f77c..bde0503ee0 100644 --- a/src/plugins/platforms/windows/qwindowseglcontext.cpp +++ b/src/plugins/platforms/windows/qwindowseglcontext.cpp @@ -340,7 +340,7 @@ QWindowsEGLStaticContext::QWindowsEGLStaticContext(EGLDisplay display, int versi { } -QWindowsEGLStaticContext *QWindowsEGLStaticContext::create() +QWindowsEGLStaticContext *QWindowsEGLStaticContext::create(QWindowsOpenGLTester::Renderers preferredType) { const HDC dc = QWindowsContext::instance()->displayContext(); if (!dc){ @@ -359,27 +359,26 @@ QWindowsEGLStaticContext *QWindowsEGLStaticContext::create() EGLDisplay display = EGL_NO_DISPLAY; #ifdef EGL_ANGLE_platform_angle_opengl - if (libEGL.eglGetPlatformDisplayEXT && qEnvironmentVariableIsSet("QT_ANGLE_PLATFORM")) { + if (libEGL.eglGetPlatformDisplayEXT + && (preferredType & QWindowsOpenGLTester::AngleBackendMask)) { const EGLint anglePlatformAttributes[][5] = { { EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, EGL_NONE }, { EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE, EGL_NONE }, { EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, EGL_PLATFORM_ANGLE_USE_WARP_ANGLE, EGL_TRUE, EGL_NONE } }; const EGLint *attributes = 0; - const QByteArray anglePlatform = qgetenv("QT_ANGLE_PLATFORM"); - if (anglePlatform == "d3d11") + if (preferredType & QWindowsOpenGLTester::AngleRendererD3d11) attributes = anglePlatformAttributes[0]; - else if (anglePlatform == "d3d9") + else if (preferredType & QWindowsOpenGLTester::AngleRendererD3d9) attributes = anglePlatformAttributes[1]; - else if (anglePlatform == "warp") + else if (preferredType & QWindowsOpenGLTester::AngleRendererD3d11Warp) attributes = anglePlatformAttributes[2]; - else - qCWarning(lcQpaGl) << "Invalid value set for QT_ANGLE_PLATFORM:" << anglePlatform; - if (attributes) display = libEGL.eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, dc, attributes); } -#endif // EGL_ANGLE_platform_angle_opengl +#else // EGL_ANGLE_platform_angle_opengl + Q_UNUSED(preferredType) +#endif if (display == EGL_NO_DISPLAY) display = libEGL.eglGetDisplay((EGLNativeDisplayType)dc); if (!display) { diff --git a/src/plugins/platforms/windows/qwindowseglcontext.h b/src/plugins/platforms/windows/qwindowseglcontext.h index 63a7c25a6f..45ccbfb734 100644 --- a/src/plugins/platforms/windows/qwindowseglcontext.h +++ b/src/plugins/platforms/windows/qwindowseglcontext.h @@ -35,6 +35,7 @@ #define QWINDOWSEGLCONTEXT_H #include "qwindowsopenglcontext.h" +#include "qwindowsopengltester.h" #include <EGL/egl.h> QT_BEGIN_NAMESPACE @@ -249,7 +250,7 @@ class QWindowsEGLStaticContext : public QWindowsStaticOpenGLContext Q_DISABLE_COPY(QWindowsEGLStaticContext) public: - static QWindowsEGLStaticContext *create(); + static QWindowsEGLStaticContext *create(QWindowsOpenGLTester::Renderers preferredType); ~QWindowsEGLStaticContext(); EGLDisplay display() const { return m_display; } diff --git a/src/plugins/platforms/windows/qwindowsintegration.cpp b/src/plugins/platforms/windows/qwindowsintegration.cpp index 54fb138d85..82686f38ad 100644 --- a/src/plugins/platforms/windows/qwindowsintegration.cpp +++ b/src/plugins/platforms/windows/qwindowsintegration.cpp @@ -328,47 +328,61 @@ QPlatformWindow *QWindowsIntegration::createPlatformWindow(QWindow *window) cons } #ifndef QT_NO_OPENGL -static QWindowsStaticOpenGLContext *q_staticOpenGLContext = 0; -QWindowsStaticOpenGLContext *QWindowsStaticOpenGLContext::create() +QWindowsStaticOpenGLContext *QWindowsStaticOpenGLContext::doCreate() { - QWindowsStaticOpenGLContext *ctx = 0; - #if defined(QT_OPENGL_DYNAMIC) - const QByteArray requested = qgetenv("QT_OPENGL"); // angle, desktop, software - const bool angleRequested = QCoreApplication::testAttribute(Qt::AA_UseOpenGLES) || requested == "angle"; - const bool desktopRequested = QCoreApplication::testAttribute(Qt::AA_UseDesktopOpenGL) || requested == "desktop"; - const bool softwareRequested = QCoreApplication::testAttribute(Qt::AA_UseSoftwareOpenGL) || requested == "software"; - + QWindowsOpenGLTester::Renderer requestedRenderer = QWindowsOpenGLTester::requestedRenderer(); + switch (requestedRenderer) { + case QWindowsOpenGLTester::DesktopGl: + if (QWindowsStaticOpenGLContext *glCtx = QOpenGLStaticContext::create()) + return glCtx; + qCWarning(lcQpaGl, "System OpenGL failed. Falling back to Software OpenGL."); + return QOpenGLStaticContext::create(true); // If ANGLE is requested, use it, don't try anything else. - if (angleRequested) { - ctx = QWindowsEGLStaticContext::create(); - } else { - // If opengl32.dll seems to be OpenGL 2.x capable, or desktop OpenGL is requested, use it. - if (!softwareRequested && (desktopRequested || QWindowsOpenGLTester::testDesktopGL())) - ctx = QOpenGLStaticContext::create(); - // If failed and desktop OpenGL is not explicitly requested, try ANGLE. - if (!ctx && !desktopRequested && !softwareRequested) - ctx = QWindowsEGLStaticContext::create(); - // Try software. - if (!ctx) { - ctx = QOpenGLStaticContext::create(true); - // If software was explicitly requested but failed, try the regular one. - if (!ctx && softwareRequested && QWindowsOpenGLTester::testDesktopGL()) { - qCWarning(lcQpaGl, "Software OpenGL failed. Falling back to system OpenGL."); - ctx = QOpenGLStaticContext::create(); - } - } + case QWindowsOpenGLTester::AngleRendererD3d9: + case QWindowsOpenGLTester::AngleRendererD3d11: + case QWindowsOpenGLTester::AngleRendererD3d11Warp: + return QWindowsEGLStaticContext::create(requestedRenderer); + case QWindowsOpenGLTester::Gles: + return QWindowsEGLStaticContext::create(QWindowsOpenGLTester::supportedGlesRenderers()); + case QWindowsOpenGLTester::SoftwareRasterizer: + if (QWindowsStaticOpenGLContext *swCtx = QOpenGLStaticContext::create(true)) + return swCtx; + qCWarning(lcQpaGl, "Software OpenGL failed. Falling back to system OpenGL."); + if (QWindowsOpenGLTester::supportedRenderers() & QWindowsOpenGLTester::DesktopGl) + return QOpenGLStaticContext::create(); + return Q_NULLPTR; + default: + break; } + + const QWindowsOpenGLTester::Renderers supportedRenderers = QWindowsOpenGLTester::supportedRenderers(); + if (supportedRenderers & QWindowsOpenGLTester::DesktopGl) { + if (QWindowsStaticOpenGLContext *glCtx = QOpenGLStaticContext::create()) + return glCtx; + } + if (QWindowsOpenGLTester::Renderers glesRenderers = supportedRenderers & QWindowsOpenGLTester::GlesMask) { + if (QWindowsEGLStaticContext *eglCtx = QWindowsEGLStaticContext::create(glesRenderers)) + return eglCtx; + } + return QOpenGLStaticContext::create(true); #elif defined(QT_OPENGL_ES_2) - ctx = QWindowsEGLStaticContext::create(); + QWindowsOpenGLTester::Renderers glesRenderers = QWindowsOpenGLTester::requestedGlesRenderer(); + if (glesRenderers == QWindowsOpenGLTester::InvalidRenderer) + glesRenderers = QWindowsOpenGLTester::supportedGlesRenderers(); + return QWindowsEGLStaticContext::create(glesRenderers); #elif !defined(QT_NO_OPENGL) - ctx = QOpenGLStaticContext::create(); + return QOpenGLStaticContext::create(); #endif +} - q_staticOpenGLContext = ctx; +static QWindowsStaticOpenGLContext *q_staticOpenGLContext = 0; - return ctx; +QWindowsStaticOpenGLContext *QWindowsStaticOpenGLContext::create() +{ + q_staticOpenGLContext = QWindowsStaticOpenGLContext::doCreate(); + return q_staticOpenGLContext; } bool QWindowsIntegrationPrivate::ensureStaticOpenGLContext() diff --git a/src/plugins/platforms/windows/qwindowsopenglcontext.h b/src/plugins/platforms/windows/qwindowsopenglcontext.h index 2f724f3dd7..550bf00a40 100644 --- a/src/plugins/platforms/windows/qwindowsopenglcontext.h +++ b/src/plugins/platforms/windows/qwindowsopenglcontext.h @@ -58,6 +58,9 @@ public: // reimplement these. virtual void *createWindowSurface(void * /*nativeWindow*/, void * /*nativeConfig*/) { return 0; } virtual void destroyWindowSurface(void * /*nativeSurface*/) { } + +private: + static QWindowsStaticOpenGLContext *doCreate(); }; class QWindowsOpenGLContext : public QPlatformOpenGLContext diff --git a/src/plugins/platforms/windows/qwindowsopengltester.cpp b/src/plugins/platforms/windows/qwindowsopengltester.cpp index 5ef3dc0855..ac886b6bee 100644 --- a/src/plugins/platforms/windows/qwindowsopengltester.cpp +++ b/src/plugins/platforms/windows/qwindowsopengltester.cpp @@ -37,6 +37,7 @@ #include <QtCore/QVariantMap> #include <QtCore/QDebug> #include <QtCore/QTextStream> +#include <QtCore/QCoreApplication> #ifndef Q_OS_WINCE # include <QtCore/qt_windows.h> @@ -171,6 +172,87 @@ QVariant GpuDescription::toVariant() const return result; } +QWindowsOpenGLTester::Renderer QWindowsOpenGLTester::requestedGlesRenderer() +{ +#ifndef Q_OS_WINCE + const char platformVar[] = "QT_ANGLE_PLATFORM"; + if (qEnvironmentVariableIsSet(platformVar)) { + const QByteArray anglePlatform = qgetenv(platformVar); + if (anglePlatform == "d3d11") + return QWindowsOpenGLTester::AngleRendererD3d11; + if (anglePlatform == "d3d9") + return QWindowsOpenGLTester::AngleRendererD3d9; + if (anglePlatform == "warp") + return QWindowsOpenGLTester::AngleRendererD3d11Warp; + qCWarning(lcQpaGl) << "Invalid value set for " << platformVar << ": " << anglePlatform; + } +#endif // !Q_OS_WINCE + return QWindowsOpenGLTester::InvalidRenderer; +} + +QWindowsOpenGLTester::Renderer QWindowsOpenGLTester::requestedRenderer() +{ +#ifndef Q_OS_WINCE + const char openGlVar[] = "QT_OPENGL"; + if (QCoreApplication::testAttribute(Qt::AA_UseOpenGLES)) { + const Renderer glesRenderer = QWindowsOpenGLTester::requestedGlesRenderer(); + return glesRenderer != InvalidRenderer ? glesRenderer : Gles; + } + if (QCoreApplication::testAttribute(Qt::AA_UseDesktopOpenGL)) + return QWindowsOpenGLTester::DesktopGl; + if (QCoreApplication::testAttribute(Qt::AA_UseSoftwareOpenGL)) + return QWindowsOpenGLTester::SoftwareRasterizer; + if (qEnvironmentVariableIsSet(openGlVar)) { + const QByteArray requested = qgetenv(openGlVar); + if (requested == "angle") { + const Renderer glesRenderer = QWindowsOpenGLTester::requestedGlesRenderer(); + return glesRenderer != InvalidRenderer ? glesRenderer : Gles; + } + if (requested == "desktop") + return QWindowsOpenGLTester::DesktopGl; + if (requested == "software") + return QWindowsOpenGLTester::SoftwareRasterizer; + qCWarning(lcQpaGl) << "Invalid value set for " << openGlVar << ": " << requested; + } +#endif // !Q_OS_WINCE + return QWindowsOpenGLTester::InvalidRenderer; +} + +static inline QWindowsOpenGLTester::Renderers + detectSupportedRenderers(const GpuDescription &gpu, bool glesOnly) +{ + Q_UNUSED(gpu) +#ifndef Q_OS_WINCE + // Add checks for card types with known issues here. + QWindowsOpenGLTester::Renderers result(QWindowsOpenGLTester::AngleRendererD3d11 + | QWindowsOpenGLTester::AngleRendererD3d9 + | QWindowsOpenGLTester::AngleRendererD3d11Warp + | QWindowsOpenGLTester::SoftwareRasterizer); + + if (!glesOnly && QWindowsOpenGLTester::testDesktopGL()) + result |= QWindowsOpenGLTester::DesktopGl; + return result; +#else // !Q_OS_WINCE + return QWindowsOpenGLTester::Gles; +#endif +} + +QWindowsOpenGLTester::Renderers QWindowsOpenGLTester::supportedGlesRenderers() +{ + const GpuDescription gpu = GpuDescription::detect(); + const QWindowsOpenGLTester::Renderers result = detectSupportedRenderers(gpu, true); + qDebug(lcQpaGl) << __FUNCTION__ << gpu << "renderer: " << result; + return result; +} + +QWindowsOpenGLTester::Renderers QWindowsOpenGLTester::supportedRenderers() +{ + const GpuDescription gpu = GpuDescription::detect(); + const QWindowsOpenGLTester::Renderers result = detectSupportedRenderers(gpu, false); + qDebug(lcQpaGl) << __FUNCTION__ << gpu << "renderer: " << result; + return result; +} + bool QWindowsOpenGLTester::testDesktopGL() { #ifndef Q_OS_WINCE diff --git a/src/plugins/platforms/windows/qwindowsopengltester.h b/src/plugins/platforms/windows/qwindowsopengltester.h index 98b707dcd2..6238eea4b0 100644 --- a/src/plugins/platforms/windows/qwindowsopengltester.h +++ b/src/plugins/platforms/windows/qwindowsopengltester.h @@ -37,6 +37,7 @@ #include <qtwindowsglobal.h> #include <QtCore/QByteArray> +#include <QtCore/QFlags> QT_BEGIN_NAMESPACE @@ -92,9 +93,29 @@ QDebug operator<<(QDebug d, const GpuDescription &gd); class QWindowsOpenGLTester { public: + enum Renderer { + InvalidRenderer = 0x0000, + DesktopGl = 0x0001, + AngleRendererD3d11 = 0x0002, + AngleRendererD3d9 = 0x0004, + AngleRendererD3d11Warp = 0x0008, // "Windows Advanced Rasterization Platform" + AngleBackendMask = AngleRendererD3d11 | AngleRendererD3d9 | AngleRendererD3d11Warp, + Gles = 0x0010, // ANGLE/unspecified or Generic GLES for Windows CE. + GlesMask = Gles | AngleBackendMask, + SoftwareRasterizer = 0x0020 + }; + Q_DECLARE_FLAGS(Renderers, Renderer) + + static Renderer requestedGlesRenderer(); + static Renderer requestedRenderer(); + static Renderers supportedGlesRenderers(); + static Renderers supportedRenderers(); + static bool testDesktopGL(); }; +Q_DECLARE_OPERATORS_FOR_FLAGS(QWindowsOpenGLTester::Renderers) + QT_END_NAMESPACE #endif // QWINDOWSOPENGLTESTER_H |