| /**************************************************************************** |
| ** |
| ** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB). |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtGui module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
| ** 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 http://www.qt.io/terms-conditions. For further |
| ** information use the contact form at http://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 2.1 or version 3 as published by the Free |
| ** Software Foundation and appearing in the file LICENSE.LGPLv21 and |
| ** LICENSE.LGPLv3 included in the packaging of this file. Please review the |
| ** following information to ensure the GNU Lesser General Public License |
| ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and |
| ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
| ** |
| ** As a special exception, The Qt Company gives you certain additional |
| ** rights. These rights are described in The Qt Company LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QABSTRACTOPENGLTEXTURE_P_H |
| #define QABSTRACTOPENGLTEXTURE_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. |
| // |
| |
| #ifndef QT_NO_OPENGL |
| |
| #include "private/qobject_p.h" |
| #include "qopengltexture.h" |
| #include "qopengl.h" |
| |
| #include <cmath> |
| |
| namespace { |
| inline double qLog2(const double x) |
| { |
| return std::log(x) / std::log(2.0); |
| } |
| } |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QOpenGLContext; |
| class QOpenGLTextureHelper; |
| |
| class QOpenGLTexturePrivate |
| { |
| public: |
| QOpenGLTexturePrivate(QOpenGLTexture::Target textureTarget, |
| QOpenGLTexture *qq); |
| ~QOpenGLTexturePrivate(); |
| |
| Q_DECLARE_PUBLIC(QOpenGLTexture) |
| |
| void resetFuncs(QOpenGLTextureHelper *funcs); |
| void initializeOpenGLFunctions(); |
| |
| bool create(); |
| void destroy(); |
| |
| void bind(); |
| void bind(uint unit, QOpenGLTexture::TextureUnitReset reset = QOpenGLTexture::DontResetTextureUnit); |
| void release(); |
| void release(uint unit, QOpenGLTexture::TextureUnitReset reset = QOpenGLTexture::DontResetTextureUnit); |
| bool isBound() const; |
| bool isBound(uint unit) const; |
| |
| void allocateStorage(QOpenGLTexture::PixelFormat pixelFormat, QOpenGLTexture::PixelType pixelType); |
| void allocateMutableStorage(QOpenGLTexture::PixelFormat pixelFormat, QOpenGLTexture::PixelType pixelType); |
| void allocateImmutableStorage(); |
| void setData(int mipLevel, int layer, QOpenGLTexture::CubeMapFace cubeFace, |
| QOpenGLTexture::PixelFormat sourceFormat, QOpenGLTexture::PixelType sourceType, |
| const void *data, const QOpenGLPixelTransferOptions * const options); |
| void setCompressedData(int mipLevel, int layer, QOpenGLTexture::CubeMapFace cubeFace, |
| int dataSize, const void *data, |
| const QOpenGLPixelTransferOptions * const options); |
| |
| void setWrapMode(QOpenGLTexture::WrapMode mode); |
| void setWrapMode(QOpenGLTexture::CoordinateDirection direction, QOpenGLTexture::WrapMode mode); |
| QOpenGLTexture::WrapMode wrapMode(QOpenGLTexture::CoordinateDirection direction) const; |
| |
| QOpenGLTexture *createTextureView(QOpenGLTexture::Target target, QOpenGLTexture::TextureFormat viewFormat, |
| int minimumMipmapLevel, int maximumMipmapLevel, |
| int minimumLayer, int maximumLayer) const; |
| |
| int evaluateMipLevels() const; |
| |
| inline int maximumMipLevelCount() const |
| { |
| return 1 + std::floor(qLog2(qMax(dimensions[0], qMax(dimensions[1], dimensions[2])))); |
| } |
| |
| static inline int mipLevelSize(int mipLevel, int baseLevelSize) |
| { |
| return std::floor(double(qMax(1, baseLevelSize >> mipLevel))); |
| } |
| |
| QOpenGLTexture *q_ptr; |
| QOpenGLContext *context; |
| QOpenGLTexture::Target target; |
| QOpenGLTexture::BindingTarget bindingTarget; |
| GLuint textureId; |
| QOpenGLTexture::TextureFormat format; |
| QOpenGLTexture::TextureFormatClass formatClass; |
| int dimensions[3]; |
| int requestedMipLevels; |
| int mipLevels; |
| int layers; |
| int faces; |
| |
| int samples; |
| bool fixedSamplePositions; |
| |
| int baseLevel; |
| int maxLevel; |
| |
| QOpenGLTexture::SwizzleValue swizzleMask[4]; |
| QOpenGLTexture::DepthStencilMode depthStencilMode; |
| QOpenGLTexture::ComparisonFunction comparisonFunction; |
| QOpenGLTexture::ComparisonMode comparisonMode; |
| |
| QOpenGLTexture::Filter minFilter; |
| QOpenGLTexture::Filter magFilter; |
| float maxAnisotropy; |
| QOpenGLTexture::WrapMode wrapModes[3]; |
| QVariantList borderColor; |
| float minLevelOfDetail; |
| float maxLevelOfDetail; |
| float levelOfDetailBias; |
| |
| bool textureView; |
| bool autoGenerateMipMaps; |
| bool storageAllocated; |
| |
| QPair<int, int> glVersion; |
| QOpenGLTextureHelper *texFuncs; |
| |
| QOpenGLTexture::Features features; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #undef Q_CALL_MEMBER_FUNCTION |
| |
| #endif // QT_NO_OPENGL |
| |
| #endif // QABSTRACTOPENGLTEXTURE_P_H |