1 files changed, 69 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/qt/QFramebufferPaintDevice.cpp b/Source/WebCore/platform/graphics/qt/QFramebufferPaintDevice.cpp
new file mode 100644
index 000000000..7c29d95e6
--- /dev/null
+++ b/Source/WebCore/platform/graphics/qt/QFramebufferPaintDevice.cpp
@@ -0,0 +1,69 @@
+/*
+    Copyright (C) 2014 Digia Plc. and/or its subsidiary(-ies)
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include "config.h"
+#include "QFramebufferPaintDevice.h"
+
+#include <QOpenGLFunctions>
+
+QFramebufferPaintDevice::QFramebufferPaintDevice(const QSize& size,
+    QOpenGLFramebufferObject::Attachment attachment, bool clearOnInit)
+        : QOpenGLPaintDevice(size)
+        , m_framebufferObject(size, attachment)
+{
+    m_surface = QOpenGLContext::currentContext()->surface();
+#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
+    setPaintFlipped(true);
+#endif
+    if (clearOnInit) {
+        m_framebufferObject.bind();
+
+        context()->functions()->glClearColor(0, 0, 0, 0);
+        context()->functions()->glClear(GL_COLOR_BUFFER_BIT);
+    }
+}
+
+void QFramebufferPaintDevice::ensureActiveTarget()
+{
+    if (QOpenGLContext::currentContext() != context())
+        context()->makeCurrent(m_surface);
+
+    m_framebufferObject.bind();
+}
+
+QImage QFramebufferPaintDevice::toImage() const
+{
+    QOpenGLContext* currentContext = QOpenGLContext::currentContext();
+    QSurface* currentSurface = currentContext ? currentContext->surface() : 0;
+
+    context()->makeCurrent(m_surface);
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
+    QImage image = m_framebufferObject.toImage(false);
+#else
+    QImage image = m_framebufferObject.toImage();
+#endif
+
+    if (currentContext)
+        currentContext->makeCurrent(currentSurface);
+    else
+        context()->doneCurrent();
+
+    return image;
+}