1 files changed, 0 insertions, 481 deletions
diff --git a/src/quick/scenegraph/qsgopengllayer.cpp b/src/quick/scenegraph/qsgopengllayer.cpp
deleted file mode 100644
index 6f06c27459..0000000000
--- a/src/quick/scenegraph/qsgopengllayer.cpp
+++ /dev/null
@@ -1,481 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtQuick module 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 "qsgopengllayer_p.h"
-
-#include <private/qqmlglobal_p.h>
-#include <private/qsgrenderer_p.h>
-#include <private/qsgdefaultrendercontext_p.h>
-
-#include <QOpenGLFramebufferObject>
-#include <QOpenGLFunctions>
-#include <private/qopenglextensions_p.h>
-
-#include <QtQuick/private/qsgdepthstencilbuffer_p.h>
-
-#ifdef QSG_DEBUG_FBO_OVERLAY
-DEFINE_BOOL_CONFIG_OPTION(qmlFboOverlay, QML_FBO_OVERLAY)
-#endif
-DEFINE_BOOL_CONFIG_OPTION(qmlFboFlushBeforeDetach, QML_FBO_FLUSH_BEFORE_DETACH)
-
-namespace
-{
-    class BindableFbo : public QSGBindable
-    {
-    public:
-        BindableFbo(QOpenGLFramebufferObject *fbo, QSGDepthStencilBuffer *depthStencil);
-        virtual ~BindableFbo();
-        void bind() const override;
-    private:
-        QOpenGLFramebufferObject *m_fbo;
-        QSGDepthStencilBuffer *m_depthStencil;
-    };
-
-    BindableFbo::BindableFbo(QOpenGLFramebufferObject *fbo, QSGDepthStencilBuffer *depthStencil)
-        : m_fbo(fbo)
-        , m_depthStencil(depthStencil)
-    {
-    }
-
-    BindableFbo::~BindableFbo()
-    {
-        if (qmlFboFlushBeforeDetach())
-            QOpenGLContext::currentContext()->functions()->glFlush();
-        if (m_depthStencil)
-            m_depthStencil->detach();
-    }
-
-    void BindableFbo::bind() const
-    {
-        m_fbo->bind();
-        if (m_depthStencil)
-            m_depthStencil->attach();
-    }
-}
-
-QSGOpenGLLayer::QSGOpenGLLayer(QSGRenderContext *context)
-    : QSGLayer(*(new QSGTexturePrivate))
-    , m_item(nullptr)
-    , m_device_pixel_ratio(1)
-    , m_format(GL_RGBA)
-    , m_renderer(nullptr)
-    , m_fbo(nullptr)
-    , m_secondaryFbo(nullptr)
-    , m_transparentTexture(0)
-#ifdef QSG_DEBUG_FBO_OVERLAY
-    , m_debugOverlay(nullptr)
-#endif
-    , m_samples(0)
-    , m_mipmap(false)
-    , m_live(true)
-    , m_recursive(false)
-    , m_dirtyTexture(true)
-    , m_multisamplingChecked(false)
-    , m_multisampling(false)
-    , m_grab(false)
-    , m_mirrorHorizontal(false)
-    , m_mirrorVertical(true)
-{
-    m_context = static_cast<QSGDefaultRenderContext *>(context);
-}
-
-QSGOpenGLLayer::~QSGOpenGLLayer()
-{
-    invalidated();
-}
-
-void QSGOpenGLLayer::invalidated()
-{
-    delete m_renderer;
-    m_renderer = nullptr;
-    delete m_fbo;
-    delete m_secondaryFbo;
-    m_fbo = m_secondaryFbo = nullptr;
-#ifdef QSG_DEBUG_FBO_OVERLAY
-    delete m_debugOverlay;
-    m_debugOverlay = nullptr;
-#endif
-    if (m_transparentTexture) {
-        QOpenGLContext::currentContext()->functions()->glDeleteTextures(1, &m_transparentTexture);
-        m_transparentTexture = 0;
-    }
-}
-
-int QSGOpenGLLayer::textureId() const
-{
-    return m_fbo ? m_fbo->texture() : 0;
-}
-
-qint64 QSGOpenGLLayer::comparisonKey() const
-{
-    return m_fbo ? m_fbo->texture() : 0;
-}
-
-bool QSGOpenGLLayer::hasAlphaChannel() const
-{
-    return m_format != GL_RGB;
-}
-
-bool QSGOpenGLLayer::hasMipmaps() const
-{
-    return m_mipmap;
-}
-
-
-void QSGOpenGLLayer::bind()
-{
-#ifndef QT_NO_DEBUG
-    if (!m_recursive && m_fbo && ((m_multisampling && m_secondaryFbo->isBound()) || m_fbo->isBound()))
-        qWarning("ShaderEffectSource: \'recursive\' must be set to true when rendering recursively.");
-#endif
-    QOpenGLFunctions *funcs = QOpenGLContext::currentContext()->functions();
-    if (!m_fbo && m_format == GL_RGBA) {
-        if (m_transparentTexture == 0) {
-            funcs->glGenTextures(1, &m_transparentTexture);
-            funcs->glBindTexture(GL_TEXTURE_2D, m_transparentTexture);
-            const uint zero = 0;
-            funcs->glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, &zero);
-        } else {
-            funcs->glBindTexture(GL_TEXTURE_2D, m_transparentTexture);
-        }
-    } else {
-        funcs->glBindTexture(GL_TEXTURE_2D, m_fbo ? m_fbo->texture() : 0);
-        updateBindOptions();
-    }
-}
-
-bool QSGOpenGLLayer::updateTexture()
-{
-    bool doGrab = (m_live || m_grab) && m_dirtyTexture;
-    if (doGrab)
-        grab();
-    if (m_grab)
-        emit scheduledUpdateCompleted();
-    m_grab = false;
-    return doGrab;
-}
-
-void QSGOpenGLLayer::setHasMipmaps(bool mipmap)
-{
-    if (mipmap == m_mipmap)
-        return;
-    m_mipmap = mipmap;
-    if (m_mipmap && m_fbo && !m_fbo->format().mipmap())
-        markDirtyTexture();
-}
-
-
-void QSGOpenGLLayer::setItem(QSGNode *item)
-{
-    if (item == m_item)
-        return;
-    m_item = item;
-
-    if (m_live && !m_item) {
-        delete m_fbo;
-        delete m_secondaryFbo;
-        m_fbo = m_secondaryFbo = nullptr;
-        m_depthStencilBuffer.clear();
-    }
-
-    markDirtyTexture();
-}
-
-void QSGOpenGLLayer::setRect(const QRectF &rect)
-{
-    if (rect == m_rect)
-        return;
-    m_rect = rect;
-    markDirtyTexture();
-}
-
-void QSGOpenGLLayer::setSize(const QSize &size)
-{
-    if (size == m_size)
-        return;
-    m_size = size;
-
-    if (m_live && m_size.isNull()) {
-        delete m_fbo;
-        delete m_secondaryFbo;
-        m_fbo = m_secondaryFbo = nullptr;
-        m_depthStencilBuffer.clear();
-    }
-
-    markDirtyTexture();
-}
-
-void QSGOpenGLLayer::setFormat(GLenum format)
-{
-    if (format == m_format)
-        return;
-    m_format = format;
-    markDirtyTexture();
-}
-
-void QSGOpenGLLayer::setLive(bool live)
-{
-    if (live == m_live)
-        return;
-    m_live = live;
-
-    if (m_live && (!m_item || m_size.isNull())) {
-        delete m_fbo;
-        delete m_secondaryFbo;
-        m_fbo = m_secondaryFbo = nullptr;
-        m_depthStencilBuffer.clear();
-    }
-
-    markDirtyTexture();
-}
-
-void QSGOpenGLLayer::scheduleUpdate()
-{
-    if (m_grab)
-        return;
-    m_grab = true;
-    if (m_dirtyTexture)
-        emit updateRequested();
-}
-
-void QSGOpenGLLayer::setRecursive(bool recursive)
-{
-    m_recursive = recursive;
-}
-
-void QSGOpenGLLayer::setMirrorHorizontal(bool mirror)
-{
-    m_mirrorHorizontal = mirror;
-}
-
-void QSGOpenGLLayer::setMirrorVertical(bool mirror)
-{
-    m_mirrorVertical = mirror;
-}
-
-void QSGOpenGLLayer::markDirtyTexture()
-{
-    m_dirtyTexture = true;
-    if (m_live || m_grab)
-        emit updateRequested();
-}
-
-void QSGOpenGLLayer::grab()
-{
-    if (!m_item || m_size.isNull()) {
-        delete m_fbo;
-        delete m_secondaryFbo;
-        m_fbo = m_secondaryFbo = nullptr;
-        m_depthStencilBuffer.clear();
-        m_dirtyTexture = false;
-        return;
-    }
-    QSGNode *root = m_item;
-    while (root->firstChild() && root->type() != QSGNode::RootNodeType)
-        root = root->firstChild();
-    if (root->type() != QSGNode::RootNodeType)
-        return;
-
-    if (!m_renderer) {
-        m_renderer = m_context->createRenderer();
-        connect(m_renderer, SIGNAL(sceneGraphChanged()), this, SLOT(markDirtyTexture()));
-    }
-    m_renderer->setDevicePixelRatio(m_device_pixel_ratio);
-    m_renderer->setRootNode(static_cast<QSGRootNode *>(root));
-
-    QOpenGLFunctions *funcs = QOpenGLContext::currentContext()->functions();
-    bool deleteFboLater = false;
-
-    int effectiveSamples = m_samples;
-    // By default m_samples is 0. Fall back to the context's setting in this case.
-    if (effectiveSamples == 0)
-        effectiveSamples = m_context->openglContext()->format().samples();
-
-    const bool needsNewFbo = !m_fbo || m_fbo->size() != m_size || m_fbo->format().internalTextureFormat() != m_format;
-    const bool mipmapGotEnabled = m_fbo && !m_fbo->format().mipmap() && m_mipmap;
-    const bool msaaGotEnabled = effectiveSamples > 1 && (!m_secondaryFbo || m_secondaryFbo->format().samples() != effectiveSamples);
-    const bool msaaGotDisabled = effectiveSamples <= 1 && m_secondaryFbo;
-
-    if (needsNewFbo || mipmapGotEnabled || msaaGotEnabled || msaaGotDisabled) {
-        if (!m_multisamplingChecked) {
-            if (effectiveSamples <= 1) {
-                m_multisampling = false;
-            } else {
-                QOpenGLExtensions *e = static_cast<QOpenGLExtensions *>(funcs);
-                m_multisampling = e->hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample)
-                    && e->hasOpenGLExtension(QOpenGLExtensions::FramebufferBlit);
-            }
-            m_multisamplingChecked = true;
-        }
-        if (m_multisampling) {
-            // Don't delete the FBO right away in case it is used recursively.
-            deleteFboLater = true;
-            delete m_secondaryFbo;
-            QOpenGLFramebufferObjectFormat format;
-
-            format.setInternalTextureFormat(m_format);
-            format.setSamples(effectiveSamples);
-            m_secondaryFbo = new QOpenGLFramebufferObject(m_size, format);
-            m_depthStencilBuffer = m_context->depthStencilBufferForFbo(m_secondaryFbo);
-        } else {
-            QOpenGLFramebufferObjectFormat format;
-            format.setInternalTextureFormat(m_format);
-            format.setMipmap(m_mipmap);
-            if (m_recursive) {
-                deleteFboLater = true;
-                delete m_secondaryFbo;
-                m_secondaryFbo = new QOpenGLFramebufferObject(m_size, format);
-                funcs->glBindTexture(GL_TEXTURE_2D, m_secondaryFbo->texture());
-                updateBindOptions(true);
-                m_depthStencilBuffer = m_context->depthStencilBufferForFbo(m_secondaryFbo);
-            } else {
-                delete m_fbo;
-                delete m_secondaryFbo;
-                m_fbo = new QOpenGLFramebufferObject(m_size, format);
-                m_secondaryFbo = nullptr;
-                funcs->glBindTexture(GL_TEXTURE_2D, m_fbo->texture());
-                updateBindOptions(true);
-                m_depthStencilBuffer = m_context->depthStencilBufferForFbo(m_fbo);
-            }
-        }
-    }
-
-    if (m_recursive && !m_secondaryFbo) {
-        // m_fbo already created, m_recursive was just set.
-        Q_ASSERT(m_fbo);
-        Q_ASSERT(!m_multisampling);
-
-        m_secondaryFbo = new QOpenGLFramebufferObject(m_size, m_fbo->format());
-        funcs->glBindTexture(GL_TEXTURE_2D, m_secondaryFbo->texture());
-        updateBindOptions(true);
-    }
-
-    // Render texture.
-    root->markDirty(QSGNode::DirtyForceUpdate); // Force matrix, clip and opacity update.
-    m_renderer->nodeChanged(root, QSGNode::DirtyForceUpdate); // Force render list update.
-
-#ifdef QSG_DEBUG_FBO_OVERLAY
-    if (qmlFboOverlay()) {
-        if (!m_debugOverlay)
-            m_debugOverlay = new QSGSimpleRectNode();
-        m_debugOverlay->setRect(QRectF(0, 0, m_size.width(), m_size.height()));
-        m_debugOverlay->setColor(QColor(0xff, 0x00, 0x80, 0x40));
-        root->appendChildNode(m_debugOverlay);
-    }
-#endif
-
-    m_dirtyTexture = false;
-
-    m_renderer->setDeviceRect(m_size);
-    m_renderer->setViewportRect(m_size);
-    QRectF mirrored(m_mirrorHorizontal ? m_rect.right() : m_rect.left(),
-                    m_mirrorVertical ? m_rect.bottom() : m_rect.top(),
-                    m_mirrorHorizontal ? -m_rect.width() : m_rect.width(),
-                    m_mirrorVertical ? -m_rect.height() : m_rect.height());
-    m_renderer->setProjectionMatrixToRect(mirrored);
-    m_renderer->setClearColor(Qt::transparent);
-
-    if (m_multisampling) {
-        m_renderer->renderScene(BindableFbo(m_secondaryFbo, m_depthStencilBuffer.data()));
-
-        if (deleteFboLater) {
-            delete m_fbo;
-            QOpenGLFramebufferObjectFormat format;
-            format.setInternalTextureFormat(m_format);
-            format.setAttachment(QOpenGLFramebufferObject::NoAttachment);
-            format.setMipmap(m_mipmap);
-            format.setSamples(0);
-            m_fbo = new QOpenGLFramebufferObject(m_size, format);
-            funcs->glBindTexture(GL_TEXTURE_2D, m_fbo->texture());
-            updateBindOptions(true);
-        }
-
-        QRect r(QPoint(), m_size);
-        QOpenGLFramebufferObject::blitFramebuffer(m_fbo, r, m_secondaryFbo, r);
-    } else {
-        if (m_recursive) {
-            m_renderer->renderScene(BindableFbo(m_secondaryFbo, m_depthStencilBuffer.data()));
-
-            if (deleteFboLater) {
-                delete m_fbo;
-                QOpenGLFramebufferObjectFormat format;
-                format.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
-                format.setInternalTextureFormat(m_format);
-                format.setMipmap(m_mipmap);
-                m_fbo = new QOpenGLFramebufferObject(m_size, format);
-                funcs->glBindTexture(GL_TEXTURE_2D, m_fbo->texture());
-                updateBindOptions(true);
-            }
-            qSwap(m_fbo, m_secondaryFbo);
-        } else {
-            m_renderer->renderScene(BindableFbo(m_fbo, m_depthStencilBuffer.data()));
-        }
-    }
-
-    if (m_mipmap) {
-        funcs->glBindTexture(GL_TEXTURE_2D, textureId());
-        funcs->glGenerateMipmap(GL_TEXTURE_2D);
-    }
-
-    root->markDirty(QSGNode::DirtyForceUpdate); // Force matrix, clip, opacity and render list update.
-
-#ifdef QSG_DEBUG_FBO_OVERLAY
-    if (qmlFboOverlay())
-        root->removeChildNode(m_debugOverlay);
-#endif
-    if (m_recursive)
-        markDirtyTexture(); // Continuously update if 'live' and 'recursive'.
-}
-
-QImage QSGOpenGLLayer::toImage() const
-{
-    if (m_fbo)
-        return m_fbo->toImage();
-
-    return QImage();
-}
-
-QRectF QSGOpenGLLayer::normalizedTextureSubRect() const
-{
-    return QRectF(m_mirrorHorizontal ? 1 : 0,
-                  m_mirrorVertical ? 0 : 1,
-                  m_mirrorHorizontal ? -1 : 1,
-                  m_mirrorVertical ? 1 : -1);
-}
-
-#include "moc_qsgopengllayer_p.cpp"