diff options
Diffstat (limited to 'src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp | 183 |
1 files changed, 49 insertions, 134 deletions
diff --git a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp index 75189a9c80..04eac027cd 100644 --- a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp +++ b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include <QDebug> @@ -51,12 +15,12 @@ #if QT_CONFIG(regularexpression) # include <QtCore/QRegularExpression> #endif +#include <QtGui/qguiapplication.h> #include <QtGui/QOpenGLContext> #include <QtGui/QOffscreenSurface> #include "qglxintegration.h" -#include <QtGlxSupport/private/qglxconvenience_p.h> -#include <QtPlatformHeaders/QGLXNativeContext> +#include <QtGui/private/qglxconvenience_p.h> #include "qxcbglintegration.h" @@ -219,33 +183,15 @@ static void updateFormatFromContext(QSurfaceFormat &format) } } -QGLXContext::QGLXContext(QXcbScreen *screen, const QSurfaceFormat &format, QPlatformOpenGLContext *share, - const QVariant &nativeHandle) +QGLXContext::QGLXContext(Display *display, QXcbScreen *screen, const QSurfaceFormat &format, QPlatformOpenGLContext *share) : QPlatformOpenGLContext() - , m_display(static_cast<Display *>(screen->connection()->xlib_display())) - , m_config(nullptr) - , m_context(nullptr) - , m_shareContext(nullptr) + , m_display(display) , m_format(format) - , m_isPBufferCurrent(false) - , m_ownsContext(nativeHandle.isNull()) - , m_getGraphicsResetStatus(nullptr) - , m_lost(false) -{ - if (nativeHandle.isNull()) - init(screen, share); - else - init(screen, share, nativeHandle); -} - -void QGLXContext::init(QXcbScreen *screen, QPlatformOpenGLContext *share) + , m_ownsContext(true) { if (m_format.renderableType() == QSurfaceFormat::DefaultRenderableType) -#if defined(QT_OPENGL_ES_2) - m_format.setRenderableType(QSurfaceFormat::OpenGLES); -#else - m_format.setRenderableType(QSurfaceFormat::OpenGL); -#endif + m_format.setRenderableType(QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL + ? QSurfaceFormat::OpenGL : QSurfaceFormat::OpenGLES); if (m_format.renderableType() != QSurfaceFormat::OpenGL && m_format.renderableType() != QSurfaceFormat::OpenGLES) return; @@ -277,7 +223,7 @@ void QGLXContext::init(QXcbScreen *screen, QPlatformOpenGLContext *share) // order from the requested version. const int requestedVersion = m_format.majorVersion() * 10 + qMin(m_format.minorVersion(), 9); - QVector<int> glVersions; + QList<int> glVersions; if (m_format.renderableType() == QSurfaceFormat::OpenGL) { if (requestedVersion > 46) glVersions << requestedVersion; @@ -296,9 +242,9 @@ void QGLXContext::init(QXcbScreen *screen, QPlatformOpenGLContext *share) // Robustness must match that of the shared context. if (share && share->format().testOption(QSurfaceFormat::ResetNotification)) m_format.setOption(QSurfaceFormat::ResetNotification); - Q_ASSERT(glVersions.count() > 0); + Q_ASSERT(glVersions.size() > 0); - for (int i = 0; !m_context && i < glVersions.count(); i++) { + for (int i = 0; !m_context && i < glVersions.size(); i++) { const int version = glVersions[i]; if (version > requestedVersion) continue; @@ -306,7 +252,7 @@ void QGLXContext::init(QXcbScreen *screen, QPlatformOpenGLContext *share) const int majorVersion = version / 10; const int minorVersion = version % 10; - QVector<int> contextAttributes; + QList<int> contextAttributes; contextAttributes << GLX_CONTEXT_MAJOR_VERSION_ARB << majorVersion << GLX_CONTEXT_MINOR_VERSION_ARB << minorVersion; @@ -339,7 +285,7 @@ void QGLXContext::init(QXcbScreen *screen, QPlatformOpenGLContext *share) } if (supportsRobustness && m_format.testOption(QSurfaceFormat::ResetNotification)) { - QVector<int> contextAttributesWithRobustness = contextAttributes; + QList<int> contextAttributesWithRobustness = contextAttributes; contextAttributesWithRobustness << GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB << GLX_LOSE_CONTEXT_ON_RESET_ARB; if (supportsVideoMemoryPurge) contextAttributesWithRobustness << GLX_GENERATE_RESET_ON_VIDEO_MEMORY_PURGE_NV << GL_TRUE; @@ -423,85 +369,55 @@ void QGLXContext::init(QXcbScreen *screen, QPlatformOpenGLContext *share) XDestroyWindow(m_display, window); } -void QGLXContext::init(QXcbScreen *screen, QPlatformOpenGLContext *share, const QVariant &nativeHandle) +QGLXContext::QGLXContext(Display *display, GLXContext context, void *visualInfo, QPlatformOpenGLContext *share) + : QPlatformOpenGLContext() + , m_display(display) { - if (!nativeHandle.canConvert<QGLXNativeContext>()) { - qWarning("QGLXContext: Requires a QGLXNativeContext"); - return; - } - QGLXNativeContext handle = qvariant_cast<QGLXNativeContext>(nativeHandle); - GLXContext context = handle.context(); - if (!context) { - qWarning("QGLXContext: No GLXContext given"); - return; - } - - // Use the provided Display, if available. If not, use our own. It may still work. - Display *dpy = handle.display(); - if (!dpy) - dpy = m_display; - - // Legacy contexts created using glXCreateContext are created using a visual - // and the FBConfig cannot be queried. The only way to adapt these contexts - // is to figure out the visual id. - XVisualInfo *vinfo = nullptr; - // If the VisualID is provided use it. - VisualID vid = handle.visualId(); - if (!vid) { - // In the absence of the VisualID figure it out from the window. - Window wnd = handle.window(); - if (wnd) { - XWindowAttributes attrs; - XGetWindowAttributes(dpy, wnd, &attrs); - vid = XVisualIDFromVisual(attrs.visual); - } - } - if (vid) { - XVisualInfo v; - v.screen = screen->screenNumber(); - v.visualid = vid; - int n = 0; - vinfo = XGetVisualInfo(dpy, VisualScreenMask | VisualIDMask, &v, &n); - if (n < 1) { - XFree(vinfo); - vinfo = nullptr; - } - } + // Legacy contexts created using glXCreateContext are created using a + // XVisualInfo. If the user passed one we should use that. + XVisualInfo *vinfo = static_cast<XVisualInfo*>(visualInfo); - // For contexts created with an FBConfig using the modern functions providing the - // visual or window is not mandatory. Just query the config from the context. - GLXFBConfig config = nullptr; + // Otherwise assume the context was created with an FBConfig using the modern functions if (!vinfo) { int configId = 0; - if (glXQueryContext(dpy, context, GLX_FBCONFIG_ID, &configId) != Success) { + if (glXQueryContext(m_display, context, GLX_FBCONFIG_ID, &configId) != Success) { qWarning("QGLXContext: Failed to query config from the provided context"); return; } + int screenNumber = 0; + if (glXQueryContext(m_display, context, GLX_SCREEN, &screenNumber) != Success) { + qWarning("QGLXContext: Failed to query screen from the provided context"); + screenNumber = DefaultScreen(m_display); + } + GLXFBConfig *configs; int numConfigs = 0; static const int attribs[] = { GLX_FBCONFIG_ID, configId, None }; - configs = glXChooseFBConfig(dpy, screen->screenNumber(), attribs, &numConfigs); - if (!configs || numConfigs < 1) { + configs = glXChooseFBConfig(m_display, screenNumber, attribs, &numConfigs); + if (!configs) { + qWarning("QGLXContext: Failed to find config(invalid arguments for glXChooseFBConfig)"); + return; + } else if (numConfigs < 1) { qWarning("QGLXContext: Failed to find config"); + XFree(configs); return; } if (configs && numConfigs > 1) // this is suspicious so warn but let it continue qWarning("QGLXContext: Multiple configs for FBConfig ID %d", configId); - config = configs[0]; - // Store the config. - m_config = config; + m_config = configs[0]; + XFree(configs); } - Q_ASSERT(vinfo || config); + Q_ASSERT(vinfo || m_config); - int screenNumber = DefaultScreen(dpy); + int screenNumber = DefaultScreen(m_display); Window window; if (vinfo) - window = createDummyWindow(dpy, vinfo, screenNumber, RootWindow(dpy, screenNumber)); + window = createDummyWindow(m_display, vinfo, screenNumber, RootWindow(m_display, screenNumber)); else - window = createDummyWindow(dpy, config, screenNumber, RootWindow(dpy, screenNumber)); + window = createDummyWindow(m_display, m_config, screenNumber, RootWindow(m_display, screenNumber)); if (!window) { qWarning("QGLXContext: Failed to create dummy window"); return; @@ -510,7 +426,7 @@ void QGLXContext::init(QXcbScreen *screen, QPlatformOpenGLContext *share, const // Update OpenGL version and buffer sizes in our format. GLXContext prevContext = glXGetCurrentContext(); GLXDrawable prevDrawable = glXGetCurrentDrawable(); - if (!glXMakeCurrent(dpy, window, context)) { + if (!glXMakeCurrent(m_display, window, context)) { qWarning("QGLXContext: Failed to make provided context current"); return; } @@ -519,11 +435,11 @@ void QGLXContext::init(QXcbScreen *screen, QPlatformOpenGLContext *share, const ? QSurfaceFormat::OpenGL : QSurfaceFormat::OpenGLES); updateFormatFromContext(m_format); if (vinfo) - qglx_surfaceFormatFromVisualInfo(&m_format, dpy, vinfo); + qglx_surfaceFormatFromVisualInfo(&m_format, m_display, vinfo); else - qglx_surfaceFormatFromGLXFBConfig(&m_format, dpy, config); - glXMakeCurrent(dpy, prevDrawable, prevContext); - XDestroyWindow(dpy, window); + qglx_surfaceFormatFromGLXFBConfig(&m_format, m_display, m_config); + glXMakeCurrent(m_display, prevDrawable, prevContext); + XDestroyWindow(m_display, window); if (vinfo) XFree(vinfo); @@ -552,11 +468,6 @@ static QXcbScreen *screenForPlatformSurface(QPlatformSurface *surface) return nullptr; } -QVariant QGLXContext::nativeHandle() const -{ - return QVariant::fromValue<QGLXNativeContext>(QGLXNativeContext(m_context)); -} - bool QGLXContext::makeCurrent(QPlatformSurface *surface) { bool success = false; @@ -786,6 +697,10 @@ void QGLXContext::queryDummyContext() } } + static bool nomultithread = qEnvironmentVariableIsSet("QT_XCB_NO_THREADED_OPENGL"); + if (nomultithread) + m_supportsThreading = false; + context.doneCurrent(); if (oldContext && oldSurface) oldContext->makeCurrent(oldSurface); |