1 files changed, 291 insertions, 0 deletions
diff --git a/src/hardwareintegration/client/brcm-egl/qwaylandbrcmeglwindow.cpp b/src/hardwareintegration/client/brcm-egl/qwaylandbrcmeglwindow.cpp
new file mode 100644
index 000000000..5c67ba8e5
--- /dev/null
+++ b/src/hardwareintegration/client/brcm-egl/qwaylandbrcmeglwindow.cpp
@@ -0,0 +1,291 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwaylandbrcmeglwindow.h"
+
+#include "qwaylandbuffer.h"
+#include "qwaylandscreen.h"
+#include "qwaylandbrcmglcontext.h"
+
+#include <QtPlatformSupport/private/qeglconvenience_p.h>
+
+#include <QtGui/QWindow>
+#include <qpa/qwindowsysteminterface.h>
+
+#define EGL_EGLEXT_PROTOTYPES
+#include <EGL/eglext_brcm.h>
+
+#include <wayland-client.h>
+#include "wayland-brcm-client-protocol.h"
+
+QT_BEGIN_NAMESPACE
+
+class QWaylandBrcmBuffer : public QWaylandBuffer
+{
+public:
+    QWaylandBrcmBuffer(QWaylandDisplay *display,
+                       struct qt_brcm *brcm,
+                       const QSize &size,
+                       EGLint *data,
+                       int count,
+                       struct wl_event_queue *eventQueue)
+        : m_size(size)
+        , m_released(true)
+        , m_display(display)
+        , m_eventQueue(eventQueue)
+    {
+        wl_array_init(&m_array);
+        m_data = static_cast<EGLint *>(wl_array_add(&m_array, count * sizeof(EGLint)));
+
+        for (int i = 0; i < count; ++i)
+            m_data[i] = data[i];
+
+        mBuffer = qt_brcm_create_buffer(brcm, size.width(), size.height(), &m_array);
+        wl_proxy_set_queue(reinterpret_cast<struct wl_proxy*>(mBuffer), m_eventQueue);
+
+        static const struct wl_buffer_listener buffer_listener = {
+            QWaylandBrcmBuffer::buffer_release
+        };
+
+        wl_buffer_add_listener(mBuffer, &buffer_listener, this);
+    }
+
+    ~QWaylandBrcmBuffer()
+    {
+        wl_array_release(&m_array);
+    }
+
+    QSize size() const { return m_size; }
+
+    void bind()
+    {
+        m_released = false;
+    }
+
+    void waitForRelease()
+    {
+        if (m_released)
+            return;
+        while (!m_released) {
+            wl_display_dispatch_queue(m_display->wl_display(), m_eventQueue);
+        }
+    }
+
+    static void buffer_release(void *data, wl_buffer *buffer)
+    {
+        Q_UNUSED(buffer);
+        static_cast<QWaylandBrcmBuffer *>(data)->m_released = true;
+    }
+
+private:
+
+    QSize m_size;
+    bool m_released;
+    wl_array m_array;
+    EGLint *m_data;
+    QWaylandDisplay *m_display;
+    struct wl_event_queue *m_eventQueue;
+};
+
+QWaylandBrcmEglWindow::QWaylandBrcmEglWindow(QWindow *window)
+    : QWaylandWindow(window)
+    , m_eglIntegration(static_cast<QWaylandBrcmEglIntegration *>(mDisplay->eglIntegration()))
+    , m_eglConfig(0)
+    , m_format(window->format())
+    , m_current(0)
+    , m_count(0)
+    , m_eventQueue(wl_display_create_queue(mDisplay->wl_display()))
+{
+}
+
+QWaylandBrcmEglWindow::~QWaylandBrcmEglWindow()
+{
+    destroyEglSurfaces();
+}
+
+QWaylandWindow::WindowType QWaylandBrcmEglWindow::windowType() const
+{
+    return QWaylandWindow::Egl;
+}
+
+void QWaylandBrcmEglWindow::setGeometry(const QRect &rect)
+{
+    destroyEglSurfaces();
+    QWaylandWindow::setGeometry(rect);
+}
+
+QSurfaceFormat QWaylandBrcmEglWindow::format() const
+{
+    return m_format;
+}
+
+void QWaylandBrcmEglWindow::destroyEglSurfaces()
+{
+    for (int i = 0; i < m_count; ++i) {
+        if (m_eglSurfaces[i]) {
+            eglDestroySurface(m_eglIntegration->eglDisplay(), m_eglSurfaces[i]);
+            m_eglSurfaces[i] = 0;
+            // the server does this
+            //m_eglIntegration->eglDestroyGlobalImageBRCM(&m_globalImages[5*i]);
+            delete m_buffers[i];
+        }
+    }
+
+    m_count = 0;
+    m_current = 0;
+}
+
+QSurfaceFormat brcmFixFormat(const QSurfaceFormat &f)
+{
+    QSurfaceFormat format = f;
+    format.setRedBufferSize(8);
+    format.setGreenBufferSize(8);
+    format.setBlueBufferSize(8);
+    format.setAlphaBufferSize(8);
+    return format;
+}
+
+void QWaylandBrcmEglWindow::createEglSurfaces()
+{
+    QSize size(geometry().size());
+
+    m_count = window()->format().swapBehavior() == QSurfaceFormat::TripleBuffer ? 3 : 2;
+
+    m_eglConfig = q_configFromGLFormat(m_eglIntegration->eglDisplay(), brcmFixFormat(window()->format()), true, EGL_PIXMAP_BIT);
+
+    m_format = q_glFormatFromConfig(m_eglIntegration->eglDisplay(), m_eglConfig);
+
+    EGLint pixel_format = EGL_PIXEL_FORMAT_ARGB_8888_BRCM;
+
+    EGLint rt;
+    eglGetConfigAttrib(m_eglIntegration->eglDisplay(), m_eglConfig, EGL_RENDERABLE_TYPE, &rt);
+
+    if (rt & EGL_OPENGL_ES_BIT) {
+        pixel_format |= EGL_PIXEL_FORMAT_RENDER_GLES_BRCM;
+        pixel_format |= EGL_PIXEL_FORMAT_GLES_TEXTURE_BRCM;
+    }
+
+    if (rt & EGL_OPENGL_ES2_BIT) {
+        pixel_format |= EGL_PIXEL_FORMAT_RENDER_GLES2_BRCM;
+        pixel_format |= EGL_PIXEL_FORMAT_GLES2_TEXTURE_BRCM;
+    }
+
+    if (rt & EGL_OPENVG_BIT) {
+        pixel_format |= EGL_PIXEL_FORMAT_RENDER_VG_BRCM;
+        pixel_format |= EGL_PIXEL_FORMAT_VG_IMAGE_BRCM;
+    }
+
+    if (rt & EGL_OPENGL_BIT) {
+        pixel_format |= EGL_PIXEL_FORMAT_RENDER_GL_BRCM;
+    }
+
+    memset(m_globalImages, 0, 5 * m_count * sizeof(EGLint));
+    for (int i = 0; i < m_count; ++i) {
+        m_eglIntegration->eglCreateGlobalImageBRCM(size.width(), size.height(), pixel_format,
+                0, size.width() * 4, &m_globalImages[5*i]);
+
+        m_globalImages[5*i+2] = size.width();
+        m_globalImages[5*i+3] = size.height();
+        m_globalImages[5*i+4] = pixel_format;
+
+        EGLint attrs[] = {
+            EGL_VG_COLORSPACE, EGL_VG_COLORSPACE_sRGB,
+            EGL_VG_ALPHA_FORMAT, pixel_format & EGL_PIXEL_FORMAT_ARGB_8888_PRE_BRCM ? EGL_VG_ALPHA_FORMAT_PRE : EGL_VG_ALPHA_FORMAT_NONPRE,
+            EGL_NONE
+        };
+
+        m_eglSurfaces[i] = eglCreatePixmapSurface(m_eglIntegration->eglDisplay(), m_eglConfig, (EGLNativePixmapType)&m_globalImages[5*i], attrs);
+        if (m_eglSurfaces[i] == EGL_NO_SURFACE)
+            qFatal("eglCreatePixmapSurface failed: %x, global image id: %d %d\n", eglGetError(), m_globalImages[5*i], m_globalImages[5*i+1]);
+        m_buffers[i] = new QWaylandBrcmBuffer(mDisplay, m_eglIntegration->waylandBrcm(), size, &m_globalImages[5*i], 5, m_eventQueue);
+    }
+}
+
+void QWaylandBrcmEglWindow::swapBuffers()
+{
+    if (m_eglIntegration->eglFlushBRCM) {
+        m_eglIntegration->eglFlushBRCM();
+    } else {
+        glFlush();
+        glFinish();
+    }
+
+    m_buffers[m_current]->bind();
+
+    m_mutex.lock();
+    m_pending << m_buffers[m_current];
+    m_mutex.unlock();
+
+    // can't use a direct call since swapBuffers might be called from a separate thread
+    QMetaObject::invokeMethod(this, "flushBuffers");
+
+    m_current = (m_current + 1) % m_count;
+
+    m_buffers[m_current]->waitForRelease();
+}
+
+void QWaylandBrcmEglWindow::flushBuffers()
+{
+    if (m_pending.isEmpty())
+        return;
+
+    QSize size = geometry().size();
+
+    m_mutex.lock();
+    while (!m_pending.isEmpty()) {
+        QWaylandBrcmBuffer *buffer = m_pending.takeFirst();
+        attach(buffer, 0, 0);
+        damage(QRect(QPoint(), size));
+        commit();
+    }
+    m_mutex.unlock();
+
+    mDisplay->flushRequests();
+}
+
+bool QWaylandBrcmEglWindow::makeCurrent(EGLContext context)
+{
+    if (!m_count)
+        const_cast<QWaylandBrcmEglWindow *>(this)->createEglSurfaces();
+    return eglMakeCurrent(m_eglIntegration->eglDisplay(), m_eglSurfaces[m_current], m_eglSurfaces[m_current], context);
+}
+
+QT_END_NAMESPACE