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Diffstat (limited to 'src/quick/scenegraph/qsgopengllayer_p.h')
-rw-r--r-- | src/quick/scenegraph/qsgopengllayer_p.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/quick/scenegraph/qsgopengllayer_p.h b/src/quick/scenegraph/qsgopengllayer_p.h new file mode 100644 index 0000000000..c6246843e2 --- /dev/null +++ b/src/quick/scenegraph/qsgopengllayer_p.h @@ -0,0 +1,169 @@ +/**************************************************************************** +** +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#ifndef QSGOPENGLLAYER_P_H +#define QSGOPENGLLAYER_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <private/qsgadaptationlayer_p.h> +#include <private/qsgcontext_p.h> +#include <private/qsgtexture_p.h> +#include <qsgsimplerectnode.h> + +QT_BEGIN_NAMESPACE + +#define QSG_DEBUG_FBO_OVERLAY + +class QOpenGLFramebufferObject; +class QSGDepthStencilBuffer; +class QSGDefaultRenderContext; +class QSGOpenGLLayerPrivate; + +class Q_QUICK_PRIVATE_EXPORT QSGOpenGLLayer : public QSGLayer +{ + Q_DECLARE_PRIVATE(QSGOpenGLLayer) + Q_OBJECT +public: + QSGOpenGLLayer(QSGRenderContext *context); + ~QSGOpenGLLayer(); + + bool updateTexture() override; + + // The item's "paint node", not effect node. + QSGNode *item() const { return m_item; } + void setItem(QSGNode *item) override; + + QRectF rect() const { return m_rect; } + void setRect(const QRectF &rect) override; + + QSize size() const { return m_size; } + void setSize(const QSize &size) override; + + void setHasMipmaps(bool mipmap) override; + + void bind() override; + + bool hasAlphaChannel() const override; + bool hasMipmaps() const override; + int textureId() const override; + QSize textureSize() const override { return m_size; } + + GLenum format() const { return m_format; } + void setFormat(GLenum format) override; + + bool live() const { return bool(m_live); } + void setLive(bool live) override; + + bool recursive() const { return bool(m_recursive); } + void setRecursive(bool recursive) override; + + void setDevicePixelRatio(qreal ratio) override { m_device_pixel_ratio = ratio; } + + bool mirrorHorizontal() const { return bool(m_mirrorHorizontal); } + void setMirrorHorizontal(bool mirror) override; + + bool mirrorVertical() const { return bool(m_mirrorVertical); } + void setMirrorVertical(bool mirror) override; + + void scheduleUpdate() override; + + QImage toImage() const override; + + QRectF normalizedTextureSubRect() const override; + + int samples() const { return m_samples; } + void setSamples(int samples) override { m_samples = samples; } + +public Q_SLOTS: + void markDirtyTexture() override; + void invalidated() override; + +private: + void grab(); + + QSGNode *m_item; + QRectF m_rect; + QSize m_size; + qreal m_device_pixel_ratio; + GLenum m_format; + + QSGRenderer *m_renderer; + QOpenGLFramebufferObject *m_fbo; + QOpenGLFramebufferObject *m_secondaryFbo; + QSharedPointer<QSGDepthStencilBuffer> m_depthStencilBuffer; + + GLuint m_transparentTexture; + +#ifdef QSG_DEBUG_FBO_OVERLAY + QSGSimpleRectNode *m_debugOverlay; +#endif + + QSGDefaultRenderContext *m_context; + int m_samples; + + uint m_mipmap : 1; + uint m_live : 1; + uint m_recursive : 1; + uint m_dirtyTexture : 1; + uint m_multisamplingChecked : 1; + uint m_multisampling : 1; + uint m_grab : 1; + uint m_mirrorHorizontal : 1; + uint m_mirrorVertical : 1; +}; + +class QSGOpenGLLayerPrivate : public QSGTexturePrivate +{ + Q_DECLARE_PUBLIC(QSGOpenGLLayer) +public: + int comparisonKey() const override; +}; + +QT_END_NAMESPACE + +#endif // QSGOPENGLLAYER_P_H |