make compositor build with new directory layout

Change-Id: I3ede73420af9cb95820a9bec4fe7305f1107e22d
Reviewed-by: Andy Nichols <andy.nichols@digia.com>

1 files changed, 160 insertions, 0 deletions

diff --git a/src/hardwareintegration/compositor/xcomposite-glx/xcompositeglxintegration.cpp b/src/hardwareintegration/compositor/xcomposite-glx/xcompositeglxintegration.cpp
new file mode 100644
index 000000000..421e5df1a
--- /dev/null
+++ b/src/hardwareintegration/compositor/xcomposite-glx/xcompositeglxintegration.cpp
@@ -0,0 +1,160 @@
+/****************************************************************************
+**
+** 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 "xcompositeglxintegration.h"
+
+#include <QtCompositor/private/qwlcompositor_p.h>
+#include "wayland-xcomposite-server-protocol.h"
+
+#include <qpa/qplatformnativeinterface.h>
+#include <qpa/qplatformintegration.h>
+#include <QtGui/QOpenGLContext>
+
+#include "xcompositebuffer.h"
+#include "xcompositehandler.h"
+#include <X11/extensions/Xcomposite.h>
+
+#include <QtCore/QDebug>
+
+QT_BEGIN_NAMESPACE
+
+QVector<int> qglx_buildSpec()
+{
+    QVector<int> spec(48);
+    int i = 0;
+
+    spec[i++] = GLX_LEVEL;
+    spec[i++] = 0;
+    spec[i++] = GLX_DRAWABLE_TYPE; spec[i++] = GLX_PIXMAP_BIT | GLX_WINDOW_BIT;
+    spec[i++] = GLX_BIND_TO_TEXTURE_TARGETS_EXT; spec[i++] = GLX_TEXTURE_2D_BIT_EXT;
+    spec[i++] = GLX_BIND_TO_TEXTURE_RGB_EXT; spec[i++] = true;
+
+    spec[i++] = 0;
+    return spec;
+}
+
+
+XCompositeGLXIntegration::XCompositeGLXIntegration()
+    : QWaylandGraphicsHardwareIntegration()
+    , mDisplay(0)
+    , mHandler(0)
+{
+}
+
+XCompositeGLXIntegration::~XCompositeGLXIntegration()
+{
+    delete mHandler;
+}
+
+void XCompositeGLXIntegration::initializeHardware(QtWayland::Display *)
+{
+    QPlatformNativeInterface *nativeInterface = QGuiApplicationPrivate::platformIntegration()->nativeInterface();
+    if (nativeInterface) {
+        mDisplay = static_cast<Display *>(nativeInterface->nativeResourceForWindow("Display",m_compositor->window()));
+        if (!mDisplay)
+            qFatal("could not retireve Display from platform integration");
+    } else {
+        qFatal("Platform integration doesn't have native interface");
+    }
+    mScreen = XDefaultScreen(mDisplay);
+
+    mHandler = new XCompositeHandler(m_compositor->handle(), mDisplay);
+
+    QOpenGLContext *glContext = new QOpenGLContext();
+    glContext->create();
+
+    m_glxBindTexImageEXT = reinterpret_cast<PFNGLXBINDTEXIMAGEEXTPROC>(glContext->getProcAddress("glXBindTexImageEXT"));
+    if (!m_glxBindTexImageEXT) {
+        qDebug() << "Did not find glxBindTexImageExt, everything will FAIL!";
+    }
+    m_glxReleaseTexImageEXT = reinterpret_cast<PFNGLXRELEASETEXIMAGEEXTPROC>(glContext->getProcAddress("glXReleaseTexImageEXT"));
+    if (!m_glxReleaseTexImageEXT) {
+        qDebug() << "Did not find glxReleaseTexImageExt";
+    }
+
+    delete glContext;
+}
+
+GLuint XCompositeGLXIntegration::createTextureFromBuffer(struct ::wl_resource *buffer, QOpenGLContext *)
+{
+    XCompositeBuffer *compositorBuffer = XCompositeBuffer::fromResource(buffer);
+    Pixmap pixmap = XCompositeNameWindowPixmap(mDisplay, compositorBuffer->window());
+
+    QVector<int> glxConfigSpec = qglx_buildSpec();
+    int numberOfConfigs;
+    GLXFBConfig *configs = glXChooseFBConfig(mDisplay,mScreen,glxConfigSpec.constData(),&numberOfConfigs);
+
+    QVector<int> attribList;
+    attribList.append(GLX_TEXTURE_FORMAT_EXT);
+    attribList.append(GLX_TEXTURE_FORMAT_RGB_EXT);
+    attribList.append(GLX_TEXTURE_TARGET_EXT);
+    attribList.append(GLX_TEXTURE_2D_EXT);
+    attribList.append(0);
+    GLXPixmap glxPixmap = glXCreatePixmap(mDisplay,*configs,pixmap,attribList.constData());
+
+    uint inverted = 0;
+    glXQueryDrawable(mDisplay, glxPixmap, GLX_Y_INVERTED_EXT,&inverted);
+    compositorBuffer->setInvertedY(!inverted);
+
+    XFree(configs);
+
+    GLuint textureId;
+    glGenTextures(1,&textureId);
+    glBindTexture(GL_TEXTURE_2D, textureId);
+    m_glxBindTexImageEXT(mDisplay,glxPixmap,GLX_FRONT_EXT, 0);
+    //Do we need to change the api so that we do bind and release in the painevent?
+    //The specification states that when deleting the texture the color buffer is deleted
+//    m_glxReleaseTexImageEXT(mDisplay,glxPixmap,GLX_FRONT_EXT);
+    return textureId;
+}
+
+bool XCompositeGLXIntegration::isYInverted(struct ::wl_resource *buffer) const
+{
+    return XCompositeBuffer::fromResource(buffer)->isYInverted();
+}
+
+QSize XCompositeGLXIntegration::bufferSize(struct ::wl_resource *buffer) const
+{
+    XCompositeBuffer *compositorBuffer = XCompositeBuffer::fromResource(buffer);
+
+    return compositorBuffer->size();
+}
+
+QT_END_NAMESPACE