diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbsharedbuffermanager.h')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbsharedbuffermanager.h | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/src/plugins/platforms/xcb/qxcbsharedbuffermanager.h b/src/plugins/platforms/xcb/qxcbsharedbuffermanager.h deleted file mode 100644 index ca79b502c2..0000000000 --- a/src/plugins/platforms/xcb/qxcbsharedbuffermanager.h +++ /dev/null @@ -1,215 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef XCBSHAREDBUFFERMANAGER_H -#define XCBSHAREDBUFFERMANAGER_H - -#if defined(QT_USE_XCB_SHARED_GRAPHICS_CACHE) - -#include <QtCore/qset.h> -#include <QtCore/qhash.h> -#include <QtCore/qsharedmemory.h> - -#include <GLES2/gl2.h> - -#include <EGL/egl.h> - -#include <EGL/eglext.h> - -class wl_resource; - -QT_BEGIN_HEADER - -QT_BEGIN_NAMESPACE - -class QXcbSharedBufferManager -{ -public: - struct Buffer { - Buffer() - : width(-1) - , height(-1) - , bytesPerPixel(1) - , nextX(-1) - , nextY(-1) - , currentLineMaxHeight(0) - , next(0) - , prev(0) - , buffer(0) - , textureId(0) - { - } - - ~Buffer() - { - delete buffer; - - if (textureId != 0) - glDeleteTextures(1, &textureId); - } - - QByteArray cacheId; - int width; - int height; - int bytesPerPixel; - int nextX; - int nextY; - int currentLineMaxHeight; - - Buffer *next; - Buffer *prev; - - QSharedMemory *buffer; - - GLuint textureId; - - QAtomicInt ref; - }; - - typedef QHash<QByteArray, QSet<quint32> > PendingItemIds; - - QXcbSharedBufferManager(); - ~QXcbSharedBufferManager(); - - void beginSharedBufferAction(const QByteArray &cacheId); - void insertItem(quint32 itemId, uchar *data, int itemWidth, int itemHeight); - void requestItems(const QSet<quint32> &itemIds); - void releaseItems(const QSet<quint32> &itemIds); - void endSharedBufferAction(); - - void getBufferForItem(const QByteArray &cacheId, quint32 itemId, Buffer **buffer, - int *x, int *y) const; - QPair<QByteArray, int> serializeBuffer(QSharedMemory *buffer) const; - - PendingItemIds pendingItemsInvalidated() const - { - Q_ASSERT_X(m_currentCacheId.isEmpty(), Q_FUNC_INFO, - "Call endSharedBufferAction() before accessing data"); - return m_pendingInvalidatedItems; - } - - PendingItemIds pendingItemsReady() const - { - Q_ASSERT_X(m_currentCacheId.isEmpty(), Q_FUNC_INFO, - "Call endSharedBufferAction() before accessing data"); - return m_pendingReadyItems; - } - - PendingItemIds pendingItemsMissing() const - { - Q_ASSERT_X(m_currentCacheId.isEmpty(), Q_FUNC_INFO, - "Call endSharedBufferAction() before accessing data"); - return m_pendingMissingItems; - } - -private: - struct Item { - Item() - : next(0) - , prev(0) - , buffer(0) - , itemId(0) - , x(-1) - , y(-1) - , width(-1) - , height(-1) - { - } - - Item *next; - Item *prev; - - Buffer *buffer; - quint32 itemId; - int x; - int y; - int width; - int height; - }; - - struct Items - { - Items() : leastRecentlyUsed(0), mostRecentlyUsed(0) {} - - Item *leastRecentlyUsed; - Item *mostRecentlyUsed; - - QByteArray cacheId; - QHash<quint32, Item *> items; - }; - - void findAvailableBuffer(int itemWidth, int itemHeight, Buffer **buffer, int *x, int *y); - void recycleItem(Buffer **buffer, int *x, int *y); - void copyIntoBuffer(Buffer *buffer, int x, int y, int itemWidth, int itemHeight, uchar *data); - void touchBuffer(Buffer *buffer); - void deleteLeastRecentlyUsed(); - - Buffer *createNewBuffer(const QByteArray &cacheId, int heightRequired); - Buffer *resizeBuffer(Buffer *buffer, const QSize &newSize); - Buffer *allocateBuffer(int width, int height); - - Items *itemsForCache(const QByteArray &cacheId) const; - void pushItemToBack(Items *items, Item *item); - void touchItem(Items *items, Item *item); - void deleteItem(Items *items, Item *item); - void recycleItem(const QByteArray &cacheId, Buffer **sharedBuffer, int *glyphX, int *glyphY); - - QByteArray m_currentCacheId; - - quint32 m_memoryUsed; - Buffer *m_mostRecentlyUsed; - Buffer *m_leastRecentlyUsed; - - mutable QHash<QByteArray, Items *> m_items; - QMultiHash<QByteArray, Buffer *> m_buffers; - - PendingItemIds m_pendingInvalidatedItems; - PendingItemIds m_pendingReadyItems; - PendingItemIds m_pendingMissingItems; -}; - -QT_END_NAMESPACE - -QT_END_HEADER - -#endif // QT_USE_XCB_SHARED_GRAPHICS_CACHE - -#endif // XCBSHAREDBUFFERMANAGER_H |