1 files changed, 144 insertions, 0 deletions
diff --git a/src/hardwareintegration/compositor/xcomposite-egl/xcompositeeglintegration.cpp b/src/hardwareintegration/compositor/xcomposite-egl/xcompositeeglintegration.cpp
new file mode 100644
index 000000000..c645b997f
--- /dev/null
+++ b/src/hardwareintegration/compositor/xcomposite-egl/xcompositeeglintegration.cpp
@@ -0,0 +1,144 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Compositor.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "xcompositeeglintegration.h"
+
+#include "wayland-xcomposite-server-protocol.h"
+
+#include <QtCompositor/private/qwlcompositor_p.h>
+#include <QtGui/QGuiApplication>
+#include <qpa/qplatformnativeinterface.h>
+#include <qpa/qplatformopenglcontext.h>
+
+#include "xcompositebuffer.h"
+#include "xcompositehandler.h"
+#include <X11/extensions/Xcomposite.h>
+
+#include <QtCore/QDebug>
+
+QT_BEGIN_NAMESPACE
+
+QVector<EGLint> eglbuildSpec()
+{
+    QVector<EGLint> spec;
+
+    spec.append(EGL_SURFACE_TYPE); spec.append(EGL_WINDOW_BIT | EGL_PIXMAP_BIT);
+    spec.append(EGL_RENDERABLE_TYPE); spec.append(EGL_OPENGL_ES2_BIT);
+    spec.append(EGL_BIND_TO_TEXTURE_RGBA); spec.append(EGL_TRUE);
+    spec.append(EGL_ALPHA_SIZE); spec.append(8);
+    spec.append(EGL_NONE);
+    return spec;
+}
+
+XCompositeEglClientBufferIntegration::XCompositeEglClientBufferIntegration()
+    : QWaylandClientBufferIntegration()
+    , mDisplay(0)
+{
+
+}
+
+void XCompositeEglClientBufferIntegration::initializeHardware(QtWayland::Display *)
+{
+    QPlatformNativeInterface *nativeInterface = QGuiApplication::platformNativeInterface();
+    if (nativeInterface) {
+        mDisplay = static_cast<Display *>(nativeInterface->nativeResourceForWindow("Display",m_compositor->window()));
+        if (!mDisplay)
+            qFatal("could not retireve Display from platform integration");
+        mEglDisplay = static_cast<EGLDisplay>(nativeInterface->nativeResourceForWindow("EGLDisplay",m_compositor->window()));
+        if (!mEglDisplay)
+            qFatal("could not retrieve EGLDisplay from platform integration");
+    } else {
+        qFatal("Platform integration doesn't have native interface");
+    }
+    mScreen = XDefaultScreen(mDisplay);
+    new XCompositeHandler(m_compositor->handle(), mDisplay);
+}
+
+void XCompositeEglClientBufferIntegration::bindTextureToBuffer(struct ::wl_resource *buffer)
+{
+    XCompositeBuffer *compositorBuffer = XCompositeBuffer::fromResource(buffer);
+    Pixmap pixmap = XCompositeNameWindowPixmap(mDisplay, compositorBuffer->window());
+
+    QVector<EGLint> eglConfigSpec = eglbuildSpec();
+
+    EGLint matching = 0;
+    EGLConfig config;
+    bool matched = eglChooseConfig(mEglDisplay,eglConfigSpec.constData(),&config,1,&matching);
+    if (!matched || !matching) {
+        qWarning("Could not retrieve a suitable EGL config");
+        return;
+    }
+
+    QVector<EGLint> attribList;
+
+    attribList.append(EGL_TEXTURE_FORMAT);
+    attribList.append(EGL_TEXTURE_RGBA);
+    attribList.append(EGL_TEXTURE_TARGET);
+    attribList.append(EGL_TEXTURE_2D);
+    attribList.append(EGL_NONE);
+
+    EGLSurface surface = eglCreatePixmapSurface(mEglDisplay,config,pixmap,attribList.constData());
+    if (surface == EGL_NO_SURFACE) {
+        qDebug() << "Failed to create eglsurface" << pixmap << compositorBuffer->window();
+    }
+
+    compositorBuffer->setInvertedY(true);
+
+    if (!eglBindTexImage(mEglDisplay,surface,EGL_BACK_BUFFER)) {
+        qDebug() << "Failed to bind";
+    }
+
+    //    eglDestroySurface(mEglDisplay,surface);
+}
+
+bool XCompositeEglClientBufferIntegration::isYInverted(struct ::wl_resource *buffer) const
+{
+    XCompositeBuffer *compositorBuffer = XCompositeBuffer::fromResource(buffer);
+    return compositorBuffer->isYInverted();
+}
+
+QSize XCompositeEglClientBufferIntegration::bufferSize(struct ::wl_resource *buffer) const
+{
+    XCompositeBuffer *compositorBuffer = XCompositeBuffer::fromResource(buffer);
+
+    return compositorBuffer->size();
+}
+
+QT_END_NAMESPACE