3f5ef10c8e
also work around broken fbo texture clearing on fglrx so far supports FBO/glClear and resorts to glTexSubImage2D if the fbo cannot be created or is (in case of fglrx) known to break, resort to glTexImage2D loading of an argb array of zeros BUG: 323065 FIXED-IN: 4.11.2 REVIEW: 112526
122 lines
3.3 KiB
C++
122 lines
3.3 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2006-2007 Rivo Laks <rivolaks@hot.ee>
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Copyright (C) 2010, 2011 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#ifndef KWIN_GLTEXTURE_H
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#define KWIN_GLTEXTURE_H
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#include "kwinglobals.h"
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#include <QSize>
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#include <QRegion>
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#include <QSharedPointer>
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#include <QExplicitlySharedDataPointer>
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#include <QtGui/QMatrix4x4>
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class QImage;
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class QPixmap;
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/** @addtogroup kwineffects */
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/** @{ */
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namespace KWin
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{
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class GLVertexBuffer;
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class GLTexturePrivate;
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enum TextureCoordinateType {
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NormalizedCoordinates = 0,
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UnnormalizedCoordinates
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};
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class KWIN_EXPORT GLTexture
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{
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public:
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GLTexture();
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GLTexture(const GLTexture& tex);
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explicit GLTexture(const QImage& image, GLenum target = GL_TEXTURE_2D);
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explicit GLTexture(const QPixmap& pixmap, GLenum target = GL_TEXTURE_2D);
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explicit GLTexture(const QString& fileName);
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GLTexture(int width, int height);
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virtual ~GLTexture();
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GLTexture & operator = (const GLTexture& tex);
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bool isNull() const;
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QSize size() const;
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int width() const;
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int height() const;
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/**
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* @since 4.7
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**/
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bool isYInverted() const;
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/**
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* @since 4.8
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**/
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void setYInverted(bool inverted);
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/**
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* Returns a matrix that transforms texture coordinates of the given type,
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* taking the texture target and the y-inversion flag into account.
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*
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* @since 4.11
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*/
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QMatrix4x4 matrix(TextureCoordinateType type) const;
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virtual bool load(const QImage& image, GLenum target = GL_TEXTURE_2D);
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virtual bool load(const QPixmap& pixmap, GLenum target = GL_TEXTURE_2D);
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virtual bool load(const QString& fileName);
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void update(const QImage& image, const QPoint &offset = QPoint(0, 0), const QRect &src = QRect());
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virtual void discard();
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void bind();
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void unbind();
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void render(QRegion region, const QRect& rect, bool hardwareClipping = false);
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GLuint texture() const;
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GLenum target() const;
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GLenum filter() const;
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/** @short
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* Make the texture fully transparent
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* Warning: this clobbers the current framebuffer binding except on fglrx
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*/
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void clear();
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bool isDirty() const;
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void setFilter(GLenum filter);
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void setWrapMode(GLenum mode);
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void setDirty();
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static bool NPOTTextureSupported();
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static bool framebufferObjectSupported();
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static bool saturationSupported();
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protected:
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QExplicitlySharedDataPointer<GLTexturePrivate> d_ptr;
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GLTexture(GLTexturePrivate& dd);
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private:
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Q_DECLARE_PRIVATE(GLTexture)
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};
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} // namespace
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/** @} */
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#endif
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