diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbsharedgraphicscache.cpp')
-rw-r--r-- | src/plugins/platforms/xcb/qxcbsharedgraphicscache.cpp | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/src/plugins/platforms/xcb/qxcbsharedgraphicscache.cpp b/src/plugins/platforms/xcb/qxcbsharedgraphicscache.cpp deleted file mode 100644 index fa937504ad..0000000000 --- a/src/plugins/platforms/xcb/qxcbsharedgraphicscache.cpp +++ /dev/null @@ -1,290 +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. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#if defined(QT_USE_XCB_SHARED_GRAPHICS_CACHE) - -#include "qxcbsharedgraphicscache.h" -#include "qxcbsharedbuffermanager.h" - -#include <QtCore/qsharedmemory.h> - -#include <QtGui/qopenglcontext.h> -#include <QtGui/qscreen.h> - -#define GL_GLEXT_PROTOTYPES -#include <GLES2/gl2ext.h> - -#define SHAREDGRAPHICSCACHE_DEBUG 1 - -QT_BEGIN_NAMESPACE - -QXcbSharedGraphicsCache::QXcbSharedGraphicsCache(QObject *parent) - : QPlatformSharedGraphicsCache(parent) - , m_bufferManager(new QXcbSharedBufferManager) -{ -} - -void QXcbSharedGraphicsCache::requestItems(const QByteArray &cacheId, - const QVector<quint32> &itemIds) -{ - m_bufferManager->beginSharedBufferAction(cacheId); - - QSet<quint32> itemsForRequest; - for (int i=0; i<itemIds.size(); ++i) - itemsForRequest.insert(itemIds.at(i)); - - m_bufferManager->requestItems(itemsForRequest); - m_bufferManager->endSharedBufferAction(); - - processPendingItems(); -} - -void QXcbSharedGraphicsCache::insertItems(const QByteArray &cacheId, - const QVector<quint32> &itemIds, - const QVector<QImage> &items) -{ - m_bufferManager->beginSharedBufferAction(cacheId); - - QSet<quint32> itemsForRequest; - for (int i=0; i<itemIds.size(); ++i) { - QImage image = items.at(i); - m_bufferManager->insertItem(itemIds.at(i), image.bits(), image.width(), image.height()); - itemsForRequest.insert(itemIds.at(i)); - } - - // ### To avoid loops, we could check missing items here and notify the client - m_bufferManager->requestItems(itemsForRequest); - - m_bufferManager->endSharedBufferAction(); - - processPendingItems(); -} - -void QXcbSharedGraphicsCache::ensureCacheInitialized(const QByteArray &cacheId, - BufferType bufferType, - PixelFormat pixelFormat) -{ - Q_UNUSED(cacheId); - Q_UNUSED(bufferType); - Q_UNUSED(pixelFormat); -} - - -void QXcbSharedGraphicsCache::releaseItems(const QByteArray &cacheId, - const QVector<quint32> &itemIds) -{ - m_bufferManager->beginSharedBufferAction(cacheId); - - QSet<quint32> itemsToRelease; - for (int i=0; i<itemIds.size(); ++i) - itemsToRelease.insert(itemIds.at(i)); - - m_bufferManager->releaseItems(itemsToRelease); - - m_bufferManager->endSharedBufferAction(); - - processPendingItems(); -} - -void QXcbSharedGraphicsCache::serializeBuffer(void *bufferId, - QByteArray *serializedData, - int *fileDescriptor) const -{ - QXcbSharedBufferManager::Buffer *buffer = - reinterpret_cast<QXcbSharedBufferManager::Buffer *>(bufferId); - - QPair<QByteArray, int> bufferName = m_bufferManager->serializeBuffer(buffer->buffer); - - *serializedData = bufferName.first; - *fileDescriptor = bufferName.second; -} - -GLuint QXcbSharedGraphicsCache::textureIdForBuffer(void *bufferId) -{ -# if defined(SHAREDGRAPHICSCACHE_DEBUG) - qDebug("QXcbSharedGraphicsCache::textureIdForBuffer"); -# endif - - QXcbSharedBufferManager::Buffer *buffer = - reinterpret_cast<QXcbSharedBufferManager::Buffer *>(bufferId); - - if (buffer->textureId == 0) { - glGenTextures(1, &buffer->textureId); - if (buffer->textureId == 0) { - qWarning("QXcbSharedGraphicsCache::textureIdForBuffer: Failed to generate texture (gl error: 0x%x)", - glGetError()); - return 0; - } - - glBindTexture(GL_TEXTURE_2D, buffer->textureId); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - } - - glBindTexture(GL_TEXTURE_2D, buffer->textureId); - glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, buffer->width, buffer->height, 0, GL_ALPHA, - GL_UNSIGNED_BYTE, buffer->buffer->data()); - glBindTexture(GL_TEXTURE_2D, 0); - - return buffer->textureId; -} - -void QXcbSharedGraphicsCache::referenceBuffer(void *bufferId) -{ - QXcbSharedBufferManager::Buffer *buffer = - reinterpret_cast<QXcbSharedBufferManager::Buffer *>(bufferId); - - buffer->ref.ref(); -} - -bool QXcbSharedGraphicsCache::dereferenceBuffer(void *bufferId) -{ - QXcbSharedBufferManager::Buffer *buffer = - reinterpret_cast<QXcbSharedBufferManager::Buffer *>(bufferId); - - if (buffer->ref.deref()) - return true; - - if (buffer->textureId != 0) { - glDeleteTextures(1, &buffer->textureId); - buffer->textureId = 0; - } - - return false; -} - -void QXcbSharedGraphicsCache::processPendingItems() -{ -# if defined(SHAREDGRAPHICSCACHE_DEBUG) - qDebug("QXcbSharedGraphicsCache::processPendingItems"); -# endif - - { - QXcbSharedBufferManager::PendingItemIds pendingMissingItems = m_bufferManager->pendingItemsMissing(); - QXcbSharedBufferManager::PendingItemIds::const_iterator it; - - - for (it = pendingMissingItems.constBegin(); it != pendingMissingItems.constEnd(); ++it) { - QVector<quint32> missingItems; - - const QSet<quint32> &items = it.value(); - QSet<quint32>::const_iterator itemIt; - for (itemIt = items.constBegin(); itemIt != items.constEnd(); ++itemIt) - missingItems.append(*itemIt); - -# if defined(SHAREDGRAPHICSCACHE_DEBUG) - qDebug("QXcbSharedGraphicsCache::processPendingItems: %d missing items", - missingItems.size()); -# endif - - if (!missingItems.isEmpty()) - emit itemsMissing(it.key(), missingItems); - } - } - - { - QXcbSharedBufferManager::PendingItemIds pendingInvalidatedItems = m_bufferManager->pendingItemsInvalidated(); - QXcbSharedBufferManager::PendingItemIds::const_iterator it; - - for (it = pendingInvalidatedItems.constBegin(); it != pendingInvalidatedItems.constEnd(); ++it) { - QVector<quint32> invalidatedItems; - - const QSet<quint32> &items = it.value(); - QSet<quint32>::const_iterator itemIt; - for (itemIt = items.constBegin(); itemIt != items.constEnd(); ++itemIt) - invalidatedItems.append(*itemIt); - -# if defined(SHAREDGRAPHICSCACHE_DEBUG) - qDebug("QXcbSharedGraphicsCache::processPendingItems: %d invalidated items", - invalidatedItems.size()); -# endif - - if (!invalidatedItems.isEmpty()) - emit itemsInvalidated(it.key(), invalidatedItems); - } - } - - { - QXcbSharedBufferManager::PendingItemIds pendingReadyItems = m_bufferManager->pendingItemsReady(); - QXcbSharedBufferManager::PendingItemIds::const_iterator it; - - for (it = pendingReadyItems.constBegin(); it != pendingReadyItems.constEnd(); ++it) { - QHash<QXcbSharedBufferManager::Buffer *, ReadyItem> readyItemsForBuffer; - const QSet<quint32> &items = it.value(); - - QByteArray cacheId = it.key(); - - QSet<quint32>::const_iterator itemIt; - for (itemIt = items.constBegin(); itemIt != items.constEnd(); ++itemIt) { - QXcbSharedBufferManager::Buffer *buffer; - int x = -1; - int y = -1; - - m_bufferManager->getBufferForItem(cacheId, *itemIt, &buffer, &x, &y); - - readyItemsForBuffer[buffer].itemIds.append(*itemIt); - readyItemsForBuffer[buffer].positions.append(QPoint(x, y)); - } - - QHash<QXcbSharedBufferManager::Buffer*, ReadyItem>::iterator readyItemIt - = readyItemsForBuffer.begin(); - while (readyItemIt != readyItemsForBuffer.end()) { - QXcbSharedBufferManager::Buffer *buffer = readyItemIt.key(); - if (!readyItemIt.value().itemIds.isEmpty()) { -# if defined(SHAREDGRAPHICSCACHE_DEBUG) - qDebug("QXcbSharedGraphicsCache::processPendingItems: %d ready items", - readyItemIt.value().itemIds.size()); -# endif - - emit itemsAvailable(cacheId, buffer, QSize(buffer->width, buffer->height), - readyItemIt.value().itemIds, readyItemIt.value().positions); - } - ++readyItemIt; - } - } - } -} - -QT_END_NAMESPACE - -#endif // QT_USE_XCB_SHARED_GRAPHICS_CACHE |