1c86619037
The OpenmaxIL video_render component uses the dispmanx layer 0, so EGLFS should use at least z index 1. Otherwise the video_render would conflict with the UI and thus overpaints it. Change-Id: I3bed23567fa8c4399207289c6ef952c5a5e0d503 Reviewed-by: Girish Ramakrishnan <girish.1.ramakrishnan@nokia.com> Reviewed-by: Donald Carr <donald.carr@nokia.com>
322 lines
10 KiB
C++
322 lines
10 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the qmake spec of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qeglfshooks.h"
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#include "qeglfscursor.h"
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#include <QtDebug>
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#include <QtPlatformSupport/private/qeglconvenience_p.h>
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#include <QtPlatformSupport/private/qeglplatformcontext_p.h>
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#include <bcm_host.h>
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#if 0 //fb size query
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#include <stdio.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <linux/fb.h>
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#endif
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QT_BEGIN_NAMESPACE
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static DISPMANX_DISPLAY_HANDLE_T dispman_display = 0;
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static EGLNativeWindowType createDispmanxLayer(const QPoint &pos, const QSize &size, int z, DISPMANX_FLAGS_ALPHA_T flags)
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{
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VC_RECT_T dst_rect;
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dst_rect.x = pos.x();
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dst_rect.y = pos.y();
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dst_rect.width = size.width();
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dst_rect.height = size.height();
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VC_RECT_T src_rect;
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src_rect.x = 0;
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src_rect.y = 0;
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src_rect.width = size.width() << 16;
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src_rect.height = size.height() << 16;
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DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0);
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VC_DISPMANX_ALPHA_T alpha;
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alpha.flags = flags;
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alpha.opacity = 0xFF;
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alpha.mask = 0;
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DISPMANX_ELEMENT_HANDLE_T dispman_element = vc_dispmanx_element_add(
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dispman_update, dispman_display, z, &dst_rect, 0, &src_rect,
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DISPMANX_PROTECTION_NONE, &alpha, (DISPMANX_CLAMP_T *)NULL, (DISPMANX_TRANSFORM_T)0);
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vc_dispmanx_update_submit_sync(dispman_update);
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EGL_DISPMANX_WINDOW_T *eglWindow = new EGL_DISPMANX_WINDOW_T;
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eglWindow->element = dispman_element;
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eglWindow->width = size.width();
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eglWindow->height = size.height();
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return eglWindow;
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}
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// this function is not part of debian squeeze headers
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extern "C" int VCHPOST_ vc_dispmanx_element_change_attributes(DISPMANX_UPDATE_HANDLE_T update,
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DISPMANX_ELEMENT_HANDLE_T element, uint32_t change_flags, int32_t layer,
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uint8_t opacity, const VC_RECT_T *dest_rect, const VC_RECT_T *src_rect,
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DISPMANX_RESOURCE_HANDLE_T mask, VC_IMAGE_TRANSFORM_T transform);
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// these constants are not in any headers (yet)
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#define ELEMENT_CHANGE_LAYER (1<<0)
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#define ELEMENT_CHANGE_OPACITY (1<<1)
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#define ELEMENT_CHANGE_DEST_RECT (1<<2)
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#define ELEMENT_CHANGE_SRC_RECT (1<<3)
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#define ELEMENT_CHANGE_MASK_RESOURCE (1<<4)
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#define ELEMENT_CHANGE_TRANSFORM (1<<5)
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static void moveDispmanxLayer(EGLNativeWindowType window, const QPoint &pos)
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{
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EGL_DISPMANX_WINDOW_T *eglWindow = static_cast<EGL_DISPMANX_WINDOW_T *>(window);
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QSize size(eglWindow->width, eglWindow->height);
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VC_RECT_T dst_rect;
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dst_rect.x = pos.x();
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dst_rect.y = pos.y();
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dst_rect.width = size.width();
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dst_rect.height = size.height();
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VC_RECT_T src_rect;
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src_rect.x = 0;
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src_rect.y = 0;
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src_rect.width = size.width() << 16;
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src_rect.height = size.height() << 16;
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DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0);
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vc_dispmanx_element_change_attributes(dispman_update,
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eglWindow->element,
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ELEMENT_CHANGE_DEST_RECT /*change_flags*/,
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0,
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0,
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&dst_rect,
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NULL,
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0,
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(VC_IMAGE_TRANSFORM_T)0);
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vc_dispmanx_update_submit_sync(dispman_update);
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}
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static void destroyDispmanxLayer(EGLNativeWindowType window)
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{
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EGL_DISPMANX_WINDOW_T *eglWindow = static_cast<EGL_DISPMANX_WINDOW_T *>(window);
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DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0);
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vc_dispmanx_element_remove(dispman_update, eglWindow->element);
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vc_dispmanx_update_submit_sync(dispman_update);
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delete eglWindow;
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}
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class QEglFSPiCursor : public QEglFSCursor
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{
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public:
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QEglFSPiCursor(QEglFSScreen *screen) : QEglFSCursor(screen) {
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QSurfaceFormat platformFormat;
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platformFormat.setDepthBufferSize(24);
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platformFormat.setStencilBufferSize(8);
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platformFormat.setRedBufferSize(8);
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platformFormat.setGreenBufferSize(8);
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platformFormat.setBlueBufferSize(8);
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platformFormat.setAlphaBufferSize(8);
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m_config = q_configFromGLFormat(m_screen->display(), platformFormat);
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createSurface();
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createContext();
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drawInLayer();
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}
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~QEglFSPiCursor() {
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eglDestroySurface(m_screen->display(), m_surface);
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destroyDispmanxLayer(m_window);
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eglDestroyContext(m_screen->display(), m_context);
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}
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void createSurface() {
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const QRect cr = cursorRect();
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m_window = createDispmanxLayer(cr.topLeft(), cr.size(), 50, DISPMANX_FLAGS_ALPHA_FROM_SOURCE);
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m_surface = eglCreateWindowSurface(m_screen->display(), m_config, m_window, NULL);
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}
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void createContext() {
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eglBindAPI(EGL_OPENGL_ES_API);
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QVector<EGLint> attrs;
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attrs.append(EGL_CONTEXT_CLIENT_VERSION);
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attrs.append(2);
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attrs.append(EGL_NONE);
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m_context = eglCreateContext(m_screen->display(), m_config, EGL_NO_CONTEXT, attrs.constData());
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}
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void drawInLayer() {
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eglMakeCurrent(m_screen->display(), m_surface, m_surface, m_context);
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glClearColor(0, 0, 0, 0);
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glClear(GL_COLOR_BUFFER_BIT);
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draw(QRectF(QPointF(-1, 1), QPointF(1, -1)));
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eglSwapBuffers(m_screen->display(), m_surface);
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eglMakeCurrent(m_screen->display(), EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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}
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void changeCursor(QCursor *cursor, QWindow *window) {
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if (!setCurrentCursor(cursor))
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return;
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EGL_DISPMANX_WINDOW_T *eglWindow = static_cast<EGL_DISPMANX_WINDOW_T *>(m_window);
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if (QSize(eglWindow->width, eglWindow->height) != m_cursor.size) {
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eglDestroySurface(m_screen->display(), m_surface);
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destroyDispmanxLayer(m_window);
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createSurface();
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}
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drawInLayer();
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}
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void setPos(const QPoint &pos) {
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m_pos = pos;
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moveDispmanxLayer(m_window, cursorRect().topLeft());
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}
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void pointerEvent(const QMouseEvent &event) {
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if (event.type() != QEvent::MouseMove)
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return;
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m_pos = event.pos();
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moveDispmanxLayer(m_window, cursorRect().topLeft());
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}
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void paintOnScreen() { }
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private:
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EGLConfig m_config;
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EGLContext m_context;
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EGLNativeWindowType m_window;
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EGLSurface m_surface;
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};
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class QEglFSPiHooks : public QEglFSHooks
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{
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public:
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virtual void platformInit();
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virtual void platformDestroy();
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virtual EGLNativeDisplayType platformDisplay() const;
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virtual QSize screenSize() const;
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virtual EGLNativeWindowType createNativeWindow(const QSize &size);
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virtual void destroyNativeWindow(EGLNativeWindowType window);
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virtual bool hasCapability(QPlatformIntegration::Capability cap) const;
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QEglFSCursor *createCursor(QEglFSScreen *screen) const {
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return new QEglFSPiCursor(screen);
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}
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};
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void QEglFSPiHooks::platformInit()
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{
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bcm_host_init();
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}
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EGLNativeDisplayType QEglFSPiHooks::platformDisplay() const
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{
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dispman_display = vc_dispmanx_display_open(0/* LCD */);
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return EGL_DEFAULT_DISPLAY;
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}
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void QEglFSPiHooks::platformDestroy()
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{
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vc_dispmanx_display_close(dispman_display);
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}
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QSize QEglFSPiHooks::screenSize() const
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{
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//both mechanisms work
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#if 1
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uint32_t width, height;
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graphics_get_display_size(0 /* LCD */, &width, &height);
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return QSize(width, height);
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#else
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int fd = open("/dev/fb0", O_RDONLY);
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if (fd == -1) {
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fprintf(stderr, "Failed to open fb to detect screen resolution!\n");
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return QSize();
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}
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struct fb_var_screeninfo vinfo;
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if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) = -1) {
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fprintf(stderr, "Could not query screen info variable\n");
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close(fd);
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return QSize();
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}
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close(fd);
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return QSize(vinfo.xres, vinfo.yres);
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#endif
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}
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EGLNativeWindowType QEglFSPiHooks::createNativeWindow(const QSize &size)
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{
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return createDispmanxLayer(QPoint(0, 0), size, 1, DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS);
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}
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void QEglFSPiHooks::destroyNativeWindow(EGLNativeWindowType window)
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{
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destroyDispmanxLayer(window);
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}
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bool QEglFSPiHooks::hasCapability(QPlatformIntegration::Capability cap) const
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{
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switch (cap) {
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case QPlatformIntegration::ThreadedPixmaps:
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case QPlatformIntegration::OpenGL:
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case QPlatformIntegration::ThreadedOpenGL:
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case QPlatformIntegration::BufferQueueingOpenGL:
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return true;
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default:
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return false;
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}
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}
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QEglFSPiHooks eglFSPiHooks;
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QEglFSHooks *platformHooks = &eglFSPiHooks;
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QT_END_NAMESPACE
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