91 lines
3.5 KiB
C++
91 lines
3.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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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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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: 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, Digia gives you certain additional
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** rights. These rights are described in the Digia 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
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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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 "qopenwfdoutputbuffer.h"
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#include "qopenwfdport.h"
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QOpenWFDOutputBuffer::QOpenWFDOutputBuffer(const QSize &size, QOpenWFDPort *port)
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: mPort(port)
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, mAvailable(true)
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{
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qDebug() << "creating output buffer for size" << size;
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glGenRenderbuffers(1,&mRbo);
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glBindRenderbuffer(GL_RENDERBUFFER, mRbo);
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mGbm_buffer = gbm_bo_create(port->device()->gbmDevice(),
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size.width(),
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size.height(),
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GBM_BO_FORMAT_XRGB8888,
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GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
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mEglImage = port->device()->eglCreateImage(port->device()->eglDisplay(),0, EGL_NATIVE_PIXMAP_KHR, mGbm_buffer, 0);
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port->device()->glEglImageTargetRenderBufferStorage(GL_RENDERBUFFER,mEglImage);
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mWfdSource = wfdCreateSourceFromImage(port->device()->handle(),port->pipeline(),mEglImage,WFD_NONE);
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if (mWfdSource == WFD_INVALID_HANDLE) {
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qWarning("failed to create wfdSource from image");
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}
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}
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QOpenWFDOutputBuffer::~QOpenWFDOutputBuffer()
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{
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wfdDestroySource(mPort->device()->handle(),mWfdSource);
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if (!mPort->device()->eglDestroyImage(mPort->device()->eglDisplay(),mEglImage)) {
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qDebug() << "could not delete eglImage";
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}
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gbm_bo_destroy(mGbm_buffer);
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glDeleteRenderbuffers(1, &mRbo);
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}
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void QOpenWFDOutputBuffer::bindToCurrentFbo()
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{
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glFramebufferRenderbuffer(GL_FRAMEBUFFER,
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GL_COLOR_ATTACHMENT0,
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GL_RENDERBUFFER,
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mRbo);
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if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
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qDebug() << "framebuffer not ready!";
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}
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}
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