diff options
Diffstat (limited to 'src/plugins/platforms/mirclient/qmirclientbackingstore.cpp')
-rw-r--r-- | src/plugins/platforms/mirclient/qmirclientbackingstore.cpp | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/src/plugins/platforms/mirclient/qmirclientbackingstore.cpp b/src/plugins/platforms/mirclient/qmirclientbackingstore.cpp deleted file mode 100644 index 51363619d9..0000000000 --- a/src/plugins/platforms/mirclient/qmirclientbackingstore.cpp +++ /dev/null @@ -1,157 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 Canonical, Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - - -#include "qmirclientbackingstore.h" -#include "qmirclientlogging.h" -#include <QtGui/QOpenGLContext> -#include <QtGui/QOpenGLTexture> -#include <QtGui/QMatrix4x4> -#include <QtGui/qopengltextureblitter.h> -#include <QtGui/qopenglfunctions.h> - -QMirClientBackingStore::QMirClientBackingStore(QWindow* window) - : QPlatformBackingStore(window) - , mContext(new QOpenGLContext) - , mTexture(new QOpenGLTexture(QOpenGLTexture::Target2D)) - , mBlitter(new QOpenGLTextureBlitter) -{ - mContext->setFormat(window->requestedFormat()); - mContext->setScreen(window->screen()); - mContext->create(); - - window->setSurfaceType(QSurface::OpenGLSurface); -} - -QMirClientBackingStore::~QMirClientBackingStore() -{ - mContext->makeCurrent(window()); // needed as QOpenGLTexture destructor assumes current context -} - -void QMirClientBackingStore::flush(QWindow* window, const QRegion& region, const QPoint& offset) -{ - Q_UNUSED(region); - Q_UNUSED(offset); - mContext->makeCurrent(window); - glViewport(0, 0, window->width(), window->height()); - - updateTexture(); - - if (!mBlitter->isCreated()) - mBlitter->create(); - - mBlitter->bind(); - mBlitter->blit(mTexture->textureId(), QMatrix4x4(), QOpenGLTextureBlitter::OriginTopLeft); - mBlitter->release(); - - mContext->swapBuffers(window); -} - -void QMirClientBackingStore::updateTexture() -{ - if (mDirty.isNull()) - return; - - if (!mTexture->isCreated()) { - mTexture->setMinificationFilter(QOpenGLTexture::Nearest); - mTexture->setMagnificationFilter(QOpenGLTexture::Nearest); - mTexture->setWrapMode(QOpenGLTexture::ClampToEdge); - mTexture->setData(mImage, QOpenGLTexture::DontGenerateMipMaps); - mTexture->create(); - } - mTexture->bind(); - - QRegion fixed; - QRect imageRect = mImage.rect(); - - for (const QRect &rect : mDirty) { - // intersect with image rect to be sure - QRect r = imageRect & rect; - - // if the rect is wide enough it is cheaper to just extend it instead of doing an image copy - if (r.width() >= imageRect.width() / 2) { - r.setX(0); - r.setWidth(imageRect.width()); - } - - fixed |= r; - } - - for (const QRect &rect : fixed) { - // if the sub-rect is full-width we can pass the image data directly to - // OpenGL instead of copying, since there is no gap between scanlines - if (rect.width() == imageRect.width()) { - glTexSubImage2D(GL_TEXTURE_2D, 0, 0, rect.y(), rect.width(), rect.height(), GL_RGBA, GL_UNSIGNED_BYTE, - mImage.constScanLine(rect.y())); - } else { - glTexSubImage2D(GL_TEXTURE_2D, 0, rect.x(), rect.y(), rect.width(), rect.height(), GL_RGBA, GL_UNSIGNED_BYTE, - mImage.copy(rect).constBits()); - } - } - /* End of code taken from QEGLPlatformBackingStore */ - - mDirty = QRegion(); -} - - -void QMirClientBackingStore::beginPaint(const QRegion& region) -{ - mDirty |= region; -} - -void QMirClientBackingStore::resize(const QSize& size, const QRegion& /*staticContents*/) -{ - mImage = QImage(size, QImage::Format_RGBA8888); - - mContext->makeCurrent(window()); - - if (mTexture->isCreated()) - mTexture->destroy(); -} - -QPaintDevice* QMirClientBackingStore::paintDevice() -{ - return &mImage; -} - -QImage QMirClientBackingStore::toImage() const -{ - // used by QPlatformBackingStore::composeAndFlush - return mImage; -} |