132 lines
5.0 KiB
C++
132 lines
5.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the plugins 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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** $QT_END_LICENSE$
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**
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****************************************************************************/
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//#include <QDebug>
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#include "qkmscursor.h"
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#include "qkmsscreen.h"
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#include "qkmsdevice.h"
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QT_BEGIN_NAMESPACE
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QKmsCursor::QKmsCursor(QKmsScreen *screen)
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: QPlatformCursor(screen), m_screen(screen),
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m_graphicsBufferManager(screen->device()->gbmDevice())
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{
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gbm_bo *bo = gbm_bo_create(m_graphicsBufferManager, 64, 64,
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GBM_BO_FORMAT_ARGB8888,
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GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_RENDERING);
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m_eglImage = eglCreateImageKHR(m_screen->device()->eglDisplay(), 0, EGL_NATIVE_PIXMAP_KHR,
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bo, 0);
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gbm_bo_destroy(bo);
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m_cursorImage = new QPlatformCursorImage(0, 0, 0, 0, 0, 0);
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}
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void QKmsCursor::pointerEvent(const QMouseEvent &event)
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{
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int status = drmModeMoveCursor(m_screen->device()->fd(),
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m_screen->crtcId(),
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event.globalX(),
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event.globalY());
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if (status) {
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qWarning("failed to move cursor: %d", status);
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}
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}
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void QKmsCursor::changeCursor(QCursor *widgetCursor, QWindow *window)
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{
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Q_UNUSED(window)
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if (widgetCursor->shape() != Qt::BitmapCursor) {
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m_cursorImage->set(widgetCursor->shape());
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} else {
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m_cursorImage->set(widgetCursor->pixmap().toImage(),
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widgetCursor->hotSpot().x(),
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widgetCursor->hotSpot().y());
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}
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if ((m_cursorImage->image()->width() > 64) || (m_cursorImage->image()->width() > 64)) {
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qWarning("failed to set hardware cursor: larger than 64x64.");
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return;
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}
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QImage cursorImage = m_cursorImage->image()->convertToFormat(QImage::Format_RGB32);
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//Load cursor image into EGLImage
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GLuint cursorTexture;
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glGenTextures(1, &cursorTexture);
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glBindTexture(GL_TEXTURE_2D, cursorTexture);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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//TODO: Format may be wrong here, need a color icon to test.
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if (m_eglImage != EGL_NO_IMAGE_KHR) {
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glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_eglImage);
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glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, cursorImage.width(),
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cursorImage.height(), GL_RGBA,
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GL_UNSIGNED_BYTE, cursorImage.constBits());
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} else {
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, cursorImage.width(),
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cursorImage.height(), 0, GL_RGBA,
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GL_UNSIGNED_BYTE, cursorImage.constBits());
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}
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//EGLImage needs to contain sprite before calling this:
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gbm_bo *bufferObject = gbm_bo_create_from_egl_image(m_graphicsBufferManager,
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m_screen->device()->eglDisplay(),
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m_eglImage, 64, 64,
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GBM_BO_USE_CURSOR_64X64);
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quint32 handle = gbm_bo_get_handle(bufferObject).u32;
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gbm_bo_destroy(bufferObject);
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int status = drmModeSetCursor(m_screen->device()->fd(),
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m_screen->crtcId(), handle, 64, 64);
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if (status) {
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qWarning("failed to set cursor: %d", status);
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}
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}
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QT_END_NAMESPACE
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