From 71616d2c7a20b6f54747f66fe2fb6cef317667f5 Mon Sep 17 00:00:00 2001 From: Donald Carr Date: Wed, 28 Mar 2012 19:23:50 +0000 Subject: device: Add device support for the Broadcom Raspberry PI MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add mkspec for the Raspberry PI platform to be used in conjunction with the -device support in configure. This allows you to build Qt with the application libraries provided by the Raspberry PI foundation. The Raspberry PI is described here: http://en.wikipedia.org/wiki/Raspberry_Pi and its use with Qt is documented here: http://wiki.qt-project.org/Devices/RaspberryPi Change-Id: Ib8d11d0a469edaaf34ccc04cf33a42a725fc2bdb Reviewed-by: Girish Ramakrishnan Reviewed-by: Samuel Rødal --- mkspecs/devices/linux-rasp-pi-g++/qeglfs_hooks.cpp | 143 +++++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 mkspecs/devices/linux-rasp-pi-g++/qeglfs_hooks.cpp (limited to 'mkspecs/devices/linux-rasp-pi-g++/qeglfs_hooks.cpp') diff --git a/mkspecs/devices/linux-rasp-pi-g++/qeglfs_hooks.cpp b/mkspecs/devices/linux-rasp-pi-g++/qeglfs_hooks.cpp new file mode 100644 index 0000000000..2cbd297a90 --- /dev/null +++ b/mkspecs/devices/linux-rasp-pi-g++/qeglfs_hooks.cpp @@ -0,0 +1,143 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the qmake spec of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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, Nokia gives you certain additional +** rights. These rights are described in the Nokia 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qeglfs_hooks.h" + +#include + +#if 0 //fb size query +#include +#include +#include +#include +#include +#include +#endif + +static DISPMANX_DISPLAY_HANDLE_T dispman_display = 0; +static DISPMANX_UPDATE_HANDLE_T dispman_update = 0; + +void QEglFSHooks::platformInit() +{ + bcm_host_init(); +} + +EGLNativeDisplayType QEglFSHooks::platformDisplay() const +{ + dispman_display = vc_dispmanx_display_open(0/* LCD */); + return EGL_DEFAULT_DISPLAY; +} + +void QEglFSHooks::platformDestroy() +{ + vc_dispmanx_display_close(dispman_display); +} + +QSize QEglFSHooks::screenSize() const +{ + //both mechanisms work +#if 1 + uint32_t width, height; + graphics_get_display_size(0 /* LCD */, &width, &height); + return QSize(width, height); +#else + int fd = open("/dev/fb0", O_RDONLY); + if (fd == -1) { + fprintf(stderr, "Failed to open fb to detect screen resolution!\n"); + return QSize(); + } + + struct fb_var_screeninfo vinfo; + if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) = -1) { + fprintf(stderr, "Could not query screen info variable\n"); + close(fd); + return QSize(); + } + + close(fd); + + return QSize(vinfo.xres, vinfo.yres); +#endif +} + +EGLNativeWindowType QEglFSHooks::createNativeWindow(const QSize &size) +{ + VC_RECT_T dst_rect; + dst_rect.x = 0; + dst_rect.y = 0; + 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; + + dispman_update = vc_dispmanx_update_start(0); + + VC_DISPMANX_ALPHA_T alpha; + alpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS; + alpha.opacity = 0xFF; + alpha.mask = 0; + + DISPMANX_ELEMENT_HANDLE_T dispman_element = vc_dispmanx_element_add( + dispman_update, dispman_display, 0, &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; +} + +void QEglFSHooks::destroyNativeWindow(EGLNativeWindowType window) +{ + EGL_DISPMANX_WINDOW_T *eglWindow = static_cast(window); + vc_dispmanx_element_remove(dispman_update, eglWindow->element); + delete eglWindow; +} + +QEglFSHooks platform_hooks; -- cgit v1.2.3