diff options
Diffstat (limited to 'src/platformsupport/eglconvenience/qeglcompositor.cpp')
| -rw-r--r-- | src/platformsupport/eglconvenience/qeglcompositor.cpp | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/src/platformsupport/eglconvenience/qeglcompositor.cpp b/src/platformsupport/eglconvenience/qeglcompositor.cpp deleted file mode 100644 index a46e5698de..0000000000 --- a/src/platformsupport/eglconvenience/qeglcompositor.cpp +++ /dev/null @@ -1,185 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL21$ -** 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 Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/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 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtGui/QOpenGLContext> -#include <QtGui/QOpenGLShaderProgram> -#include <QtGui/QOpenGLFramebufferObject> -#include <QtGui/private/qopengltextureblitter_p.h> -#include <qpa/qplatformbackingstore.h> - -#include "qeglcompositor_p.h" -#include "qeglplatformwindow_p.h" -#include "qeglplatformscreen_p.h" - -QT_BEGIN_NAMESPACE - -static QEGLCompositor *compositor = 0; - -QEGLCompositor::QEGLCompositor() - : m_context(0), - m_window(0), - m_blitter(0) -{ - Q_ASSERT(!compositor); - m_updateTimer.setSingleShot(true); - m_updateTimer.setInterval(0); - connect(&m_updateTimer, SIGNAL(timeout()), SLOT(renderAll())); -} - -QEGLCompositor::~QEGLCompositor() -{ - Q_ASSERT(compositor == this); - if (m_blitter) { - m_blitter->destroy(); - delete m_blitter; - } - compositor = 0; -} - -void QEGLCompositor::schedule(QOpenGLContext *context, QEGLPlatformWindow *window) -{ - m_context = context; - m_window = window; - if (!m_updateTimer.isActive()) - m_updateTimer.start(); -} - -void QEGLCompositor::renderAll() -{ - Q_ASSERT(m_context && m_window); - m_context->makeCurrent(m_window->window()); - - if (!m_blitter) { - m_blitter = new QOpenGLTextureBlitter; - m_blitter->create(); - } - m_blitter->bind(); - - QEGLPlatformScreen *screen = static_cast<QEGLPlatformScreen *>(m_window->screen()); - QList<QEGLPlatformWindow *> windows = screen->windows(); - for (int i = 0; i < windows.size(); ++i) - render(windows.at(i)); - - m_blitter->release(); - m_context->swapBuffers(m_window->window()); - - for (int i = 0; i < windows.size(); ++i) - windows.at(i)->composited(); -} - -struct BlendStateBinder -{ - BlendStateBinder() : m_blend(false) { - glDisable(GL_BLEND); - } - void set(bool blend) { - if (blend != m_blend) { - if (blend) { - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - } else { - glDisable(GL_BLEND); - } - m_blend = blend; - } - } - ~BlendStateBinder() { - if (m_blend) - glDisable(GL_BLEND); - } - bool m_blend; -}; - -void QEGLCompositor::render(QEGLPlatformWindow *window) -{ - const QPlatformTextureList *textures = window->textures(); - if (!textures) - return; - - const QRect targetWindowRect(QPoint(0, 0), window->screen()->geometry().size()); - glViewport(0, 0, targetWindowRect.width(), targetWindowRect.height()); - - float currentOpacity = 1.0f; - BlendStateBinder blend; - - for (int i = 0; i < textures->count(); ++i) { - uint textureId = textures->textureId(i); - QMatrix4x4 target = QOpenGLTextureBlitter::targetTransform(textures->geometry(i), - targetWindowRect); - const float opacity = window->window()->opacity(); - if (opacity != currentOpacity) { - currentOpacity = opacity; - m_blitter->setOpacity(currentOpacity); - } - - if (textures->count() > 1 && i == textures->count() - 1) { - // Backingstore for a widget with QOpenGLWidget subwidgets - blend.set(true); - m_blitter->blit(textureId, target, QOpenGLTextureBlitter::OriginTopLeft); - } else if (textures->count() == 1) { - // A regular QWidget window - const bool translucent = window->window()->requestedFormat().alphaBufferSize() > 0; - blend.set(translucent); - m_blitter->blit(textureId, target, QOpenGLTextureBlitter::OriginTopLeft); - } else if (!textures->flags(i).testFlag(QPlatformTextureList::StacksOnTop)) { - // Texture from an FBO belonging to a QOpenGLWidget - blend.set(false); - m_blitter->blit(textureId, target, QOpenGLTextureBlitter::OriginBottomLeft); - } - } - - for (int i = 0; i < textures->count(); ++i) { - if (textures->flags(i).testFlag(QPlatformTextureList::StacksOnTop)) { - QMatrix4x4 target = QOpenGLTextureBlitter::targetTransform(textures->geometry(i), targetWindowRect); - blend.set(true); - m_blitter->blit(textures->textureId(i), target, QOpenGLTextureBlitter::OriginBottomLeft); - } - } - - m_blitter->setOpacity(1.0f); -} - -QEGLCompositor *QEGLCompositor::instance() -{ - if (!compositor) - compositor = new QEGLCompositor; - return compositor; -} - -void QEGLCompositor::destroy() -{ - delete compositor; - compositor = 0; -} - -QT_END_NAMESPACE |