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Diffstat (limited to 'qtinterface/qt4/Qt/qglframebufferobject.h')
| -rw-r--r-- | qtinterface/qt4/Qt/qglframebufferobject.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/qtinterface/qt4/Qt/qglframebufferobject.h b/qtinterface/qt4/Qt/qglframebufferobject.h new file mode 100644 index 0000000..3d7b15f --- /dev/null +++ b/qtinterface/qt4/Qt/qglframebufferobject.h @@ -0,0 +1,175 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** 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 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QGLFRAMEBUFFEROBJECT_H +#define QGLFRAMEBUFFEROBJECT_H + +#include <QtOpenGL/qgl.h> +#include <QtGui/qpaintdevice.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(OpenGL) + +class QGLFramebufferObjectPrivate; +class QGLFramebufferObjectFormat; + +class Q_OPENGL_EXPORT QGLFramebufferObject : public QPaintDevice +{ + Q_DECLARE_PRIVATE(QGLFramebufferObject) +public: + enum Attachment { + NoAttachment, + CombinedDepthStencil, + Depth + }; + + QGLFramebufferObject(const QSize &size, GLenum target = GL_TEXTURE_2D); + QGLFramebufferObject(int width, int height, GLenum target = GL_TEXTURE_2D); +#if !defined(QT_OPENGL_ES) || defined(Q_QDOC) + QGLFramebufferObject(const QSize &size, Attachment attachment, + GLenum target = GL_TEXTURE_2D, GLenum internal_format = GL_RGBA8); + QGLFramebufferObject(int width, int height, Attachment attachment, + GLenum target = GL_TEXTURE_2D, GLenum internal_format = GL_RGBA8); +#else + QGLFramebufferObject(const QSize &size, Attachment attachment, + GLenum target = GL_TEXTURE_2D, GLenum internal_format = GL_RGBA); + QGLFramebufferObject(int width, int height, Attachment attachment, + GLenum target = GL_TEXTURE_2D, GLenum internal_format = GL_RGBA); +#endif + + QGLFramebufferObject(const QSize &size, const QGLFramebufferObjectFormat &format); + QGLFramebufferObject(int width, int height, const QGLFramebufferObjectFormat &format); + +#ifdef Q_MAC_COMPAT_GL_FUNCTIONS + QGLFramebufferObject(const QSize &size, QMacCompatGLenum target = GL_TEXTURE_2D); + QGLFramebufferObject(int width, int height, QMacCompatGLenum target = GL_TEXTURE_2D); + + QGLFramebufferObject(const QSize &size, Attachment attachment, + QMacCompatGLenum target = GL_TEXTURE_2D, QMacCompatGLenum internal_format = GL_RGBA8); + QGLFramebufferObject(int width, int height, Attachment attachment, + QMacCompatGLenum target = GL_TEXTURE_2D, QMacCompatGLenum internal_format = GL_RGBA8); +#endif + + virtual ~QGLFramebufferObject(); + + QGLFramebufferObjectFormat format() const; + + bool isValid() const; + bool isBound() const; + bool bind(); + bool release(); + + GLuint texture() const; + QSize size() const; + QImage toImage() const; + Attachment attachment() const; + + QPaintEngine *paintEngine() const; + GLuint handle() const; + + static bool hasOpenGLFramebufferObjects(); + + void drawTexture(const QRectF &target, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D); + void drawTexture(const QPointF &point, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D); +#ifdef Q_MAC_COMPAT_GL_FUNCTIONS + void drawTexture(const QRectF &target, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D); + void drawTexture(const QPointF &point, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D); +#endif + + static bool hasOpenGLFramebufferBlit(); + static void blitFramebuffer(QGLFramebufferObject *target, const QRect &targetRect, + QGLFramebufferObject *source, const QRect &sourceRect, + GLbitfield buffers = GL_COLOR_BUFFER_BIT, + GLenum filter = GL_NEAREST); + +protected: + int metric(PaintDeviceMetric metric) const; + int devType() const { return QInternal::FramebufferObject; } + +private: + Q_DISABLE_COPY(QGLFramebufferObject) + QScopedPointer<QGLFramebufferObjectPrivate> d_ptr; + friend class QGLPaintDevice; + friend class QGLFBOGLPaintDevice; +}; + +class QGLFramebufferObjectFormatPrivate; +class Q_OPENGL_EXPORT QGLFramebufferObjectFormat +{ +public: + QGLFramebufferObjectFormat(); + QGLFramebufferObjectFormat(const QGLFramebufferObjectFormat &other); + QGLFramebufferObjectFormat &operator=(const QGLFramebufferObjectFormat &other); + ~QGLFramebufferObjectFormat(); + + void setSamples(int samples); + int samples() const; + + void setAttachment(QGLFramebufferObject::Attachment attachment); + QGLFramebufferObject::Attachment attachment() const; + + void setTextureTarget(GLenum target); + GLenum textureTarget() const; + + void setInternalTextureFormat(GLenum internalTextureFormat); + GLenum internalTextureFormat() const; + +#ifdef Q_MAC_COMPAT_GL_FUNCTIONS + void setTextureTarget(QMacCompatGLenum target); + void setInternalTextureFormat(QMacCompatGLenum internalTextureFormat); +#endif + + bool operator==(const QGLFramebufferObjectFormat& other) const; + bool operator!=(const QGLFramebufferObjectFormat& other) const; + +private: + QGLFramebufferObjectFormatPrivate *d; + + void detach(); +}; + +QT_END_NAMESPACE + +QT_END_HEADER +#endif // QGLFRAMEBUFFEROBJECT_H |