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130 lines
3.4 KiB
130 lines
3.4 KiB
/******************************************************************** |
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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 "kwinconfig.h" // KWIN_HAVE_OPENGL |
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#include "kwinglobals.h" |
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#ifdef KWIN_HAVE_OPENGL |
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#include <QtCore/QSize> |
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#include <QtCore/QSharedData> |
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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 KWIN_EXPORT GLTexture |
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: public QSharedData |
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{ |
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public: |
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GLTexture(); |
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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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GLTexture(const QString& fileName); |
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GLTexture(int width, int height); |
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virtual ~GLTexture(); |
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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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return mSize.width(); /// @since 4.5 |
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} |
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int height() const { |
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return mSize.height(); /// @since 4.5 |
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} |
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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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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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virtual void discard(); |
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virtual void bind(); |
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virtual void unbind(); |
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void render(QRegion region, const QRect& rect); |
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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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virtual bool isDirty() const; |
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void setTexture(GLuint texture); |
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void setTarget(GLenum target); |
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void setFilter(GLenum filter); |
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void setWrapMode(GLenum mode); |
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virtual void setDirty(); |
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static void initStatic(); |
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static bool NPOTTextureSupported() { |
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return sNPOTTextureSupported; |
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} |
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static bool framebufferObjectSupported() { |
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return sFramebufferObjectSupported; |
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} |
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static bool saturationSupported() { |
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return sSaturationSupported; |
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} |
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protected: |
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void enableFilter(); |
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QImage convertToGLFormat(const QImage& img) const; |
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GLuint mTexture; |
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GLenum mTarget; |
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GLenum mFilter; |
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QSize mSize; |
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QSizeF mScale; // to un-normalize GL_TEXTURE_2D |
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bool y_inverted; // texture has y inverted |
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bool can_use_mipmaps; |
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bool has_valid_mipmaps; |
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private: |
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void init(); |
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int mUnnormalizeActive; // 0 - no, otherwise refcount |
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int mNormalizeActive; // 0 - no, otherwise refcount |
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GLVertexBuffer* m_vbo; |
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QSize m_cachedSize; |
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static bool sNPOTTextureSupported; |
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static bool sFramebufferObjectSupported; |
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static bool sSaturationSupported; |
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Q_DISABLE_COPY(GLTexture) |
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}; |
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} // namespace |
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#endif |
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/** @} */ |
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#endif
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