1 files changed, 119 insertions, 0 deletions
diff --git a/src/plugins/platforms/eglfs/api/qeglfscontext.cpp b/src/plugins/platforms/eglfs/api/qeglfscontext.cpp
new file mode 100644
index 0000000000..8e44b3e93e
--- /dev/null
+++ b/src/plugins/platforms/eglfs/api/qeglfscontext.cpp
@@ -0,0 +1,119 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qeglfsglobal.h"
+#include <QtGui/QSurface>
+#include <QtPlatformSupport/private/qeglconvenience_p.h>
+#include <QtPlatformSupport/private/qeglpbuffer_p.h>
+
+#include "qeglfscontext_p.h"
+#include "qeglfswindow_p.h"
+#include "qeglfshooks_p.h"
+#include "qeglfscursor_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QEglFSContext::QEglFSContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display,
+                             EGLConfig *config, const QVariant &nativeHandle)
+    : QEGLPlatformContext(format, share, display, config, nativeHandle,
+                          qt_egl_device_integration()->supportsSurfacelessContexts() ? Flags(0) : QEGLPlatformContext::NoSurfaceless),
+      m_tempWindow(0)
+{
+}
+
+EGLSurface QEglFSContext::eglSurfaceForPlatformSurface(QPlatformSurface *surface)
+{
+    if (surface->surface()->surfaceClass() == QSurface::Window)
+        return static_cast<QEglFSWindow *>(surface)->surface();
+    else
+        return static_cast<QEGLPbuffer *>(surface)->pbuffer();
+}
+
+EGLSurface QEglFSContext::createTemporaryOffscreenSurface()
+{
+    if (qt_egl_device_integration()->supportsPBuffers())
+        return QEGLPlatformContext::createTemporaryOffscreenSurface();
+
+    if (!m_tempWindow) {
+        m_tempWindow = qt_egl_device_integration()->createNativeOffscreenWindow(format());
+        if (!m_tempWindow) {
+            qWarning("QEglFSContext: Failed to create temporary native window");
+            return EGL_NO_SURFACE;
+        }
+    }
+    EGLConfig config = q_configFromGLFormat(eglDisplay(), format());
+    return eglCreateWindowSurface(eglDisplay(), config, m_tempWindow, 0);
+}
+
+void QEglFSContext::destroyTemporaryOffscreenSurface(EGLSurface surface)
+{
+    if (qt_egl_device_integration()->supportsPBuffers()) {
+        QEGLPlatformContext::destroyTemporaryOffscreenSurface(surface);
+    } else {
+        eglDestroySurface(eglDisplay(), surface);
+        qt_egl_device_integration()->destroyNativeWindow(m_tempWindow);
+        m_tempWindow = 0;
+    }
+}
+
+void QEglFSContext::runGLChecks()
+{
+    // Note that even though there is an EGL context current here,
+    // QOpenGLContext and QOpenGLFunctions are not yet usable at this stage.
+    const char *renderer = reinterpret_cast<const char *>(glGetString(GL_RENDERER));
+    // Be nice and warn about a common source of confusion.
+    if (renderer && strstr(renderer, "llvmpipe"))
+        qWarning("Running on a software rasterizer (LLVMpipe), expect limited performance.");
+}
+
+void QEglFSContext::swapBuffers(QPlatformSurface *surface)
+{
+    // draw the cursor
+    if (surface->surface()->surfaceClass() == QSurface::Window) {
+        QPlatformWindow *window = static_cast<QPlatformWindow *>(surface);
+        if (QEglFSCursor *cursor = qobject_cast<QEglFSCursor *>(window->screen()->cursor()))
+            cursor->paintOnScreen();
+    }
+
+    qt_egl_device_integration()->waitForVSync(surface);
+    QEGLPlatformContext::swapBuffers(surface);
+    qt_egl_device_integration()->presentBuffer(surface);
+}
+
+QT_END_NAMESPACE