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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qeglfsbrcmintegration.h"
#include <bcm_host.h>
QT_BEGIN_NAMESPACE
static DISPMANX_DISPLAY_HANDLE_T dispman_display = 0;
static EGLNativeWindowType createDispmanxLayer(const QPoint &pos, const QSize &size, int z, DISPMANX_FLAGS_ALPHA_T flags)
{
VC_RECT_T dst_rect;
dst_rect.x = pos.x();
dst_rect.y = pos.y();
dst_rect.width = size.width();
dst_rect.height = size.height();
VC_RECT_T src_rect;
src_rect.x = 0;
src_rect.y = 0;
src_rect.width = size.width() << 16;
src_rect.height = size.height() << 16;
DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0);
VC_DISPMANX_ALPHA_T alpha;
alpha.flags = flags;
alpha.opacity = 0xFF;
alpha.mask = 0;
DISPMANX_ELEMENT_HANDLE_T dispman_element = vc_dispmanx_element_add(
dispman_update, dispman_display, z, &dst_rect, 0, &src_rect,
DISPMANX_PROTECTION_NONE, &alpha, (DISPMANX_CLAMP_T *)NULL, (DISPMANX_TRANSFORM_T)0);
vc_dispmanx_update_submit_sync(dispman_update);
EGL_DISPMANX_WINDOW_T *eglWindow = new EGL_DISPMANX_WINDOW_T;
eglWindow->element = dispman_element;
eglWindow->width = size.width();
eglWindow->height = size.height();
return eglWindow;
}
static void destroyDispmanxLayer(EGLNativeWindowType window)
{
EGL_DISPMANX_WINDOW_T *eglWindow = static_cast<EGL_DISPMANX_WINDOW_T *>(window);
DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0);
vc_dispmanx_element_remove(dispman_update, eglWindow->element);
vc_dispmanx_update_submit_sync(dispman_update);
delete eglWindow;
}
void QEglFSBrcmIntegration::platformInit()
{
bcm_host_init();
}
EGLNativeDisplayType QEglFSBrcmIntegration::platformDisplay() const
{
dispman_display = vc_dispmanx_display_open(0/* LCD */);
return EGL_DEFAULT_DISPLAY;
}
void QEglFSBrcmIntegration::platformDestroy()
{
vc_dispmanx_display_close(dispman_display);
}
QSize QEglFSBrcmIntegration::screenSize() const
{
uint32_t width, height;
graphics_get_display_size(0 /* LCD */, &width, &height);
return QSize(width, height);
}
EGLNativeWindowType QEglFSBrcmIntegration::createNativeWindow(QPlatformWindow *window, const QSize &size, const QSurfaceFormat &format)
{
Q_UNUSED(window)
return createDispmanxLayer(QPoint(0, 0), size, 1, format.hasAlpha() ? DISPMANX_FLAGS_ALPHA_FROM_SOURCE : DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS);
}
void QEglFSBrcmIntegration::destroyNativeWindow(EGLNativeWindowType window)
{
destroyDispmanxLayer(window);
}
bool QEglFSBrcmIntegration::hasCapability(QPlatformIntegration::Capability cap) const
{
switch (cap) {
case QPlatformIntegration::ThreadedPixmaps:
case QPlatformIntegration::OpenGL:
case QPlatformIntegration::ThreadedOpenGL:
case QPlatformIntegration::BufferQueueingOpenGL:
return true;
default:
return false;
}
}
QT_END_NAMESPACE
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