4f38f950b0
As it turns out, we had an overloaded virtual from an earlier era, with the extra parameter never used. So cleaning that up was a bonus to remove the compiler warning. Change-Id: I780287f8a5d2b0a1ec84ec62c88ba50e051f372b Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>
285 lines
10 KiB
Plaintext
285 lines
10 KiB
Plaintext
/****************************************************************************
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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 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 <AppKit/AppKit.h>
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#include <QuartzCore/CIContext.h>
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#include <CGLCurrent.h>
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#include <OpenGL/gl.h>
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#include "qpaintervideosurface_mac_p.h"
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#include <QtCore/qdatetime.h>
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#include <qmath.h>
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#include <qpainter.h>
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#include <qvariant.h>
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#include <qvideosurfaceformat.h>
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#include <QtDebug>
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QT_BEGIN_NAMESPACE
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extern CGContextRef qt_mac_cg_context(const QPaintDevice *pdev); //qpaintdevice_mac.cpp
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QVideoSurfaceCoreGraphicsPainter::QVideoSurfaceCoreGraphicsPainter(bool glSupported)
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: ciContext(0)
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, m_imageFormat(QImage::Format_Invalid)
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, m_scanLineDirection(QVideoSurfaceFormat::TopToBottom)
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{
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//qDebug() << "QVideoSurfaceCoreGraphicsPainter, GL supported:" << glSupported;
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ciContext = 0;
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m_imagePixelFormats
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<< QVideoFrame::Format_RGB32
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<< QVideoFrame::Format_ARGB32
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<< QVideoFrame::Format_ARGB32_Premultiplied
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<< QVideoFrame::Format_RGB24
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<< QVideoFrame::Format_RGB565
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<< QVideoFrame::Format_RGB555
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<< QVideoFrame::Format_ARGB8565_Premultiplied;
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m_supportedHandles
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<< QAbstractVideoBuffer::NoHandle
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<< QAbstractVideoBuffer::CoreImageHandle;
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if (glSupported)
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m_supportedHandles << QAbstractVideoBuffer::GLTextureHandle;
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}
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QVideoSurfaceCoreGraphicsPainter::~QVideoSurfaceCoreGraphicsPainter()
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{
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[(CIContext*)ciContext release];
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}
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QList<QVideoFrame::PixelFormat> QVideoSurfaceCoreGraphicsPainter::supportedPixelFormats(
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QAbstractVideoBuffer::HandleType handleType) const
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{
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return m_supportedHandles.contains(handleType)
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? m_imagePixelFormats
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: QList<QVideoFrame::PixelFormat>();
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}
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bool QVideoSurfaceCoreGraphicsPainter::isFormatSupported(const QVideoSurfaceFormat &format) const
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{
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return m_supportedHandles.contains(format.handleType())
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&& m_imagePixelFormats.contains(format.pixelFormat())
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&& !format.frameSize().isEmpty();
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}
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QAbstractVideoSurface::Error QVideoSurfaceCoreGraphicsPainter::start(const QVideoSurfaceFormat &format)
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{
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m_frame = QVideoFrame();
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m_imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
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m_imageSize = format.frameSize();
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m_scanLineDirection = format.scanLineDirection();
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return m_supportedHandles.contains(format.handleType())
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&& m_imageFormat != QImage::Format_Invalid
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&& !m_imageSize.isEmpty()
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? QAbstractVideoSurface::NoError
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: QAbstractVideoSurface::UnsupportedFormatError;
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}
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void QVideoSurfaceCoreGraphicsPainter::stop()
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{
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m_frame = QVideoFrame();
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}
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QAbstractVideoSurface::Error QVideoSurfaceCoreGraphicsPainter::setCurrentFrame(const QVideoFrame &frame)
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{
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m_frame = frame;
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return QAbstractVideoSurface::NoError;
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}
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QAbstractVideoSurface::Error QVideoSurfaceCoreGraphicsPainter::paint(
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const QRectF &target, QPainter *painter, const QRectF &source)
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{
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if (m_frame.handleType() == QAbstractVideoBuffer::CoreImageHandle) {
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if (painter->paintEngine()->type() == QPaintEngine::CoreGraphics ) {
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CIImage *img = (CIImage*)(m_frame.handle().value<void*>());
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if (img) {
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CGContextRef cgContext = qt_mac_cg_context(painter->device());
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if (cgContext) {
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painter->beginNativePainting();
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CGRect sRect = CGRectMake(source.x(), source.y(), source.width(), source.height());
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CGRect dRect = CGRectMake(target.x(), target.y(), target.width(), target.height());
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NSBitmapImageRep *bitmap = [[NSBitmapImageRep alloc] initWithCIImage:img];
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if (m_scanLineDirection == QVideoSurfaceFormat::TopToBottom) {
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CGContextSaveGState( cgContext );
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CGContextTranslateCTM(cgContext, 0, dRect.origin.y + CGRectGetMaxY(dRect));
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CGContextScaleCTM(cgContext, 1, -1);
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CGContextDrawImage(cgContext, dRect, [bitmap CGImage]);
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CGContextRestoreGState(cgContext);
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} else {
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CGContextDrawImage(cgContext, dRect, [bitmap CGImage]);
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}
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[bitmap release];
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painter->endNativePainting();
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return QAbstractVideoSurface::NoError;
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}
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}
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} else if (painter->paintEngine()->type() == QPaintEngine::OpenGL2 ||
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painter->paintEngine()->type() == QPaintEngine::OpenGL) {
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CIImage *img = (CIImage*)(m_frame.handle().value<void*>());
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if (img) {
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CGLContextObj cglContext = CGLGetCurrentContext();
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if (cglContext) {
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if (!ciContext) {
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CGLContextObj cglContext = CGLGetCurrentContext();
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NSOpenGLPixelFormat *nsglPixelFormat = [NSOpenGLView defaultPixelFormat];
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CGLPixelFormatObj cglPixelFormat = static_cast<CGLPixelFormatObj>([nsglPixelFormat CGLPixelFormatObj]);
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ciContext = [CIContext contextWithCGLContext:cglContext
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pixelFormat:cglPixelFormat
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options:nil];
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[(CIContext*)ciContext retain];
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}
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CGRect sRect = CGRectMake(source.x(), source.y(), source.width(), source.height());
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CGRect dRect = m_scanLineDirection == QVideoSurfaceFormat::TopToBottom ?
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CGRectMake(target.x(), target.y()+target.height(), target.width(), -target.height()) :
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CGRectMake(target.x(), target.y(), target.width(), target.height());
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painter->beginNativePainting();
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[(CIContext*)ciContext drawImage:img inRect:dRect fromRect:sRect];
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painter->endNativePainting();
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return QAbstractVideoSurface::NoError;
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}
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}
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}
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}
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if (m_frame.handleType() == QAbstractVideoBuffer::GLTextureHandle &&
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(painter->paintEngine()->type() == QPaintEngine::OpenGL2 ||
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painter->paintEngine()->type() == QPaintEngine::OpenGL)) {
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painter->beginNativePainting();
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GLuint texture = m_frame.handle().toUInt();
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glDisable(GL_CULL_FACE);
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glEnable(GL_TEXTURE_2D);
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glBindTexture(GL_TEXTURE_2D, texture);
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glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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const float txLeft = source.left() / m_frame.width();
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const float txRight = source.right() / m_frame.width();
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const float txTop = m_scanLineDirection == QVideoSurfaceFormat::TopToBottom
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? source.top() / m_frame.height()
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: source.bottom() / m_frame.height();
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const float txBottom = m_scanLineDirection == QVideoSurfaceFormat::TopToBottom
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? source.bottom() / m_frame.height()
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: source.top() / m_frame.height();
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glBegin(GL_QUADS);
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QRectF rect = target;
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glTexCoord2f(txLeft, txBottom);
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glVertex2f(rect.topLeft().x(), rect.topLeft().y());
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glTexCoord2f(txRight, txBottom);
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glVertex2f(rect.topRight().x() + 1, rect.topRight().y());
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glTexCoord2f(txRight, txTop);
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glVertex2f(rect.bottomRight().x() + 1, rect.bottomRight().y() + 1);
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glTexCoord2f(txLeft, txTop);
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glVertex2f(rect.bottomLeft().x(), rect.bottomLeft().y() + 1);
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glEnd();
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painter->endNativePainting();
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return QAbstractVideoSurface::NoError;
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}
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//fallback case, software rendering
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if (m_frame.map(QAbstractVideoBuffer::ReadOnly)) {
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QImage image(
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m_frame.bits(),
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m_imageSize.width(),
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m_imageSize.height(),
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m_frame.bytesPerLine(),
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m_imageFormat);
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if (m_scanLineDirection == QVideoSurfaceFormat::BottomToTop) {
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const QTransform oldTransform = painter->transform();
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painter->scale(1, -1);
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painter->translate(0, -target.bottom());
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painter->drawImage(
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QRectF(target.x(), 0, target.width(), target.height()), image, source);
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painter->setTransform(oldTransform);
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} else {
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painter->drawImage(target, image, source);
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}
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m_frame.unmap();
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} else if (m_frame.isValid()) {
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return QAbstractVideoSurface::IncorrectFormatError;
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} else {
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painter->fillRect(target, Qt::black);
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}
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return QAbstractVideoSurface::NoError;
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}
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void QVideoSurfaceCoreGraphicsPainter::updateColors(int, int, int, int)
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{
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}
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QT_END_NAMESPACE
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