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#include "qxcbnativeinterface.h"
#include "qxcbscreen.h"
#include <QtGui/private/qapplication_p.h>
#include <QtCore/QMap>
#include <QtCore/QDebug>
#if defined(XCB_USE_EGL)
#include "../eglconvenience/qeglplatformcontext.h"
#elif defined (XCB_USE_DRI2)
#include "qdri2context.h"
#endif
class QXcbResourceMap : public QMap<QByteArray, QXcbNativeInterface::ResourceType>
{
public:
QXcbResourceMap()
:QMap<QByteArray, QXcbNativeInterface::ResourceType>()
{
insert("display",QXcbNativeInterface::Display);
insert("egldisplay",QXcbNativeInterface::EglDisplay);
insert("connection",QXcbNativeInterface::Connection);
insert("screen",QXcbNativeInterface::Screen);
insert("graphicsdevice",QXcbNativeInterface::GraphicsDevice);
insert("eglcontext",QXcbNativeInterface::EglContext);
}
};
Q_GLOBAL_STATIC(QXcbResourceMap, qXcbResourceMap)
void *QXcbNativeInterface::nativeResourceForWidget(const QByteArray &resourceString, QWidget *widget)
{
QByteArray lowerCaseResource = resourceString.toLower();
ResourceType resource = qXcbResourceMap()->value(lowerCaseResource);
void *result = 0;
switch(resource) {
case Display:
result = displayForWidget(widget);
break;
case EglDisplay:
result = eglDisplayForWidget(widget);
break;
case Connection:
result = connectionForWidget(widget);
break;
case Screen:
result = qPlatformScreenForWidget(widget);
break;
case GraphicsDevice:
result = graphicsDeviceForWidget(widget);
break;
case EglContext:
result = eglContextForWidget(widget);
break;
default:
result = 0;
}
return result;
}
QXcbScreen *QXcbNativeInterface::qPlatformScreenForWidget(QWidget *widget)
{
QXcbScreen *screen;
if (widget) {
screen = static_cast<QXcbScreen *>(QPlatformScreen::platformScreenForWidget(widget));
}else {
screen = static_cast<QXcbScreen *>(QApplicationPrivate::platformIntegration()->screens()[0]);
}
return screen;
}
void *QXcbNativeInterface::displayForWidget(QWidget *widget)
{
#if defined(XCB_USE_XLIB)
QXcbScreen *screen = qPlatformScreenForWidget(widget);
return screen->connection()->xlib_display();
#else
Q_UNUSED(widget);
return 0;
#endif
}
void *QXcbNativeInterface::eglDisplayForWidget(QWidget *widget)
{
#if defined(XCB_USE_DRI2) || defined(XCB_USE_EGL)
QXcbScreen *screen = qPlatformScreenForWidget(widget);
return screen->connection()->egl_display();
#else
Q_UNUSED(widget)
return 0;
#endif
}
void *QXcbNativeInterface::connectionForWidget(QWidget *widget)
{
QXcbScreen *screen = qPlatformScreenForWidget(widget);
return screen->xcb_connection();
}
void *QXcbNativeInterface::screenForWidget(QWidget *widget)
{
QXcbScreen *screen = qPlatformScreenForWidget(widget);
return screen->screen();
}
void *QXcbNativeInterface::graphicsDeviceForWidget(QWidget *widget)
{
#if defined(XCB_USE_DRI2)
QXcbScreen *screen = qPlatformScreenForWidget(widget);
QByteArray deviceName = screen->connection()->dri2DeviceName();
return deviceName.data();
#else
Q_UNUSED(widget);
return 0;
#endif
}
void * QXcbNativeInterface::eglContextForWidget(QWidget *widget)
{
Q_ASSERT(widget);
if (!widget->platformWindow()) {
qDebug() << "QPlatformWindow does not exist for widget" << widget
<< "cannot return EGLContext";
return 0;
}
QPlatformGLContext *platformContext = widget->platformWindow()->glContext();
if (!platformContext) {
qDebug() << "QPlatformWindow" << widget->platformWindow() << "does not have a glContext"
<< "cannot return EGLContext";
return 0;
}
#if defined(XCB_USE_EGL)
QEGLPlatformContext *eglPlatformContext = static_cast<QEGLPlatformContext *>(platformContext);
return eglPlatformContext->eglContext();
#elif defined (XCB_USE_DRI2)
QDri2Context *dri2Context = static_cast<QDri2Context *>(platformContext);
return dri2Context->eglContext();
#else
return 0;
#endif
}
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