1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtOpenGL module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

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    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

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    32 **

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    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QGLSHADERPROGRAM_H

    43 #define QGLSHADERPROGRAM_H

    44 

    45 #include <QtOpenGL/qgl.h>

    46 #include <QtGui/qvector2d.h>

    47 #include <QtGui/qvector3d.h>

    48 #include <QtGui/qvector4d.h>

    49 #include <QtGui/qmatrix4x4.h>

    50 

    51 QT_BEGIN_HEADER

    52 

    53 QT_BEGIN_NAMESPACE

    54 

    55 QT_MODULE(OpenGL)

    56 

    57 #if !defined(QT_OPENGL_ES_1_CL) && !defined(QT_OPENGL_ES_1)

    58 

    59 class QGLShaderProgram;

    60 class QGLShaderPrivate;

    61 

    62 class Q_OPENGL_EXPORT QGLShader : public QObject

    63 {

    64     Q_OBJECT

    65 public:

    66     enum ShaderTypeBits

    67     {

    68         VertexShader            = 0x0001,

    69         FragmentShader          = 0x0002,

    70 

    71         PartialShader           = 0x1000,

    72 

    73         PartialVertexShader     = PartialShader | VertexShader,

    74         PartialFragmentShader   = PartialShader | FragmentShader

    75     };

    76     Q_DECLARE_FLAGS(ShaderType, ShaderTypeBits)

    77 

    78     explicit QGLShader(QGLShader::ShaderType type, QObject *parent = 0);

    79     QGLShader(const QString& fileName, QGLShader::ShaderType type, QObject *parent = 0);

    80     QGLShader(QGLShader::ShaderType type, const QGLContext *context, QObject *parent = 0);

    81     QGLShader(const QString& fileName, QGLShader::ShaderType type, const QGLContext *context, QObject *parent = 0);

    82     virtual ~QGLShader();

    83 

    84     QGLShader::ShaderType shaderType() const;

    85 

    86     bool compile(const char *source);

    87     bool compile(const QByteArray& source);

    88     bool compile(const QString& source);

    89     bool compileFile(const QString& fileName);

    90 

    91     bool setShaderBinary(GLenum format, const void *binary, int length);

    92     bool setShaderBinary(QGLShader& otherShader, GLenum format, const void *binary, int length);

    93 

    94     static QList<GLenum> shaderBinaryFormats();

    95 

    96     QByteArray sourceCode() const;

    97 

    98     bool isCompiled() const;

    99     QString log() const;

   100 

   101     GLuint shaderId() const;

   102 

   103 private:

   104     QGLShaderPrivate *d;

   105 

   106     friend class QGLShaderProgram;

   107 

   108     Q_DISABLE_COPY(QGLShader)

   109 };

   110 

   111 Q_DECLARE_OPERATORS_FOR_FLAGS(QGLShader::ShaderType)

   112 

   113 

   114 class QGLShaderProgramPrivate;

   115 

   116 class Q_OPENGL_EXPORT QGLShaderProgram : public QObject

   117 {

   118     Q_OBJECT

   119 public:

   120     explicit QGLShaderProgram(QObject *parent = 0);

   121     explicit QGLShaderProgram(const QGLContext *context, QObject *parent = 0);

   122     virtual ~QGLShaderProgram();

   123 

   124     bool addShader(QGLShader *shader);

   125     void removeShader(QGLShader *shader);

   126     QList<QGLShader *> shaders() const;

   127 

   128     bool addShader(QGLShader::ShaderType type, const char *source);

   129     bool addShader(QGLShader::ShaderType type, const QByteArray& source);

   130     bool addShader(QGLShader::ShaderType type, const QString& source);

   131     bool addShaderFromFile(QGLShader::ShaderType type, const QString& fileName);

   132 

   133     void removeAllShaders();

   134 

   135     QByteArray programBinary(int *format) const;

   136     bool setProgramBinary(int format, const QByteArray& binary);

   137     static QList<int> programBinaryFormats();

   138 

   139     virtual bool link();

   140     bool isLinked() const;

   141     QString log() const;

   142 

   143     bool enable();

   144     static void disable();

   145 

   146     GLuint programId() const;

   147 

   148     void bindAttributeLocation(const char *name, int location);

   149     void bindAttributeLocation(const QByteArray& name, int location);

   150     void bindAttributeLocation(const QString& name, int location);

   151 

   152     int attributeLocation(const char *name) const;

   153     int attributeLocation(const QByteArray& name) const;

   154     int attributeLocation(const QString& name) const;

   155 

   156     void setAttributeValue(int location, GLfloat value);

   157     void setAttributeValue(int location, GLfloat x, GLfloat y);

   158     void setAttributeValue(int location, GLfloat x, GLfloat y, GLfloat z);

   159     void setAttributeValue(int location, GLfloat x, GLfloat y, GLfloat z, GLfloat w);

   160     void setAttributeValue(int location, const QVector2D& value);

   161     void setAttributeValue(int location, const QVector3D& value);

   162     void setAttributeValue(int location, const QVector4D& value);

   163     void setAttributeValue(int location, const QColor& value);

   164     void setAttributeValue(int location, const GLfloat *values, int columns, int rows);

   165 

   166     void setAttributeValue(const char *name, GLfloat value);

   167     void setAttributeValue(const char *name, GLfloat x, GLfloat y);

   168     void setAttributeValue(const char *name, GLfloat x, GLfloat y, GLfloat z);

   169     void setAttributeValue(const char *name, GLfloat x, GLfloat y, GLfloat z, GLfloat w);

   170     void setAttributeValue(const char *name, const QVector2D& value);

   171     void setAttributeValue(const char *name, const QVector3D& value);

   172     void setAttributeValue(const char *name, const QVector4D& value);

   173     void setAttributeValue(const char *name, const QColor& value);

   174     void setAttributeValue(const char *name, const GLfloat *values, int columns, int rows);

   175 

   176     void setAttributeArray

   177         (int location, const GLfloat *values, int size, int stride = 0);

   178     void setAttributeArray

   179         (int location, const QVector2D *values, int stride = 0);

   180     void setAttributeArray

   181         (int location, const QVector3D *values, int stride = 0);

   182     void setAttributeArray

   183         (int location, const QVector4D *values, int stride = 0);

   184     void setAttributeArray

   185         (const char *name, const GLfloat *values, int size, int stride = 0);

   186     void setAttributeArray

   187         (const char *name, const QVector2D *values, int stride = 0);

   188     void setAttributeArray

   189         (const char *name, const QVector3D *values, int stride = 0);

   190     void setAttributeArray

   191         (const char *name, const QVector4D *values, int stride = 0);

   192     void disableAttributeArray(int location);

   193     void disableAttributeArray(const char *name);

   194 

   195     int uniformLocation(const char *name) const;

   196     int uniformLocation(const QByteArray& name) const;

   197     int uniformLocation(const QString& name) const;

   198 

   199     void setUniformValue(int location, GLfloat value);

   200     void setUniformValue(int location, GLint value);

   201     void setUniformValue(int location, GLuint value);

   202     void setUniformValue(int location, GLfloat x, GLfloat y);

   203     void setUniformValue(int location, GLfloat x, GLfloat y, GLfloat z);

   204     void setUniformValue(int location, GLfloat x, GLfloat y, GLfloat z, GLfloat w);

   205     void setUniformValue(int location, const QVector2D& value);

   206     void setUniformValue(int location, const QVector3D& value);

   207     void setUniformValue(int location, const QVector4D& value);

   208     void setUniformValue(int location, const QColor& color);

   209     void setUniformValue(int location, const QPoint& point);

   210     void setUniformValue(int location, const QPointF& point);

   211     void setUniformValue(int location, const QSize& size);

   212     void setUniformValue(int location, const QSizeF& size);

   213     void setUniformValue(int location, const QMatrix2x2& value);

   214     void setUniformValue(int location, const QMatrix2x3& value);

   215     void setUniformValue(int location, const QMatrix2x4& value);

   216     void setUniformValue(int location, const QMatrix3x2& value);

   217     void setUniformValue(int location, const QMatrix3x3& value);

   218     void setUniformValue(int location, const QMatrix3x4& value);

   219     void setUniformValue(int location, const QMatrix4x2& value);

   220     void setUniformValue(int location, const QMatrix4x3& value);

   221     void setUniformValue(int location, const QMatrix4x4& value);

   222     void setUniformValue(int location, const GLfloat value[4][4]);

   223     void setUniformValue(int location, const QTransform& value);

   224 

   225     void setUniformValue(const char *name, GLfloat value);

   226     void setUniformValue(const char *name, GLint value);

   227     void setUniformValue(const char *name, GLuint value);

   228     void setUniformValue(const char *name, GLfloat x, GLfloat y);

   229     void setUniformValue(const char *name, GLfloat x, GLfloat y, GLfloat z);

   230     void setUniformValue(const char *name, GLfloat x, GLfloat y, GLfloat z, GLfloat w);

   231     void setUniformValue(const char *name, const QVector2D& value);

   232     void setUniformValue(const char *name, const QVector3D& value);

   233     void setUniformValue(const char *name, const QVector4D& value);

   234     void setUniformValue(const char *name, const QColor& color);

   235     void setUniformValue(const char *name, const QPoint& point);

   236     void setUniformValue(const char *name, const QPointF& point);

   237     void setUniformValue(const char *name, const QSize& size);

   238     void setUniformValue(const char *name, const QSizeF& size);

   239     void setUniformValue(const char *name, const QMatrix2x2& value);

   240     void setUniformValue(const char *name, const QMatrix2x3& value);

   241     void setUniformValue(const char *name, const QMatrix2x4& value);

   242     void setUniformValue(const char *name, const QMatrix3x2& value);

   243     void setUniformValue(const char *name, const QMatrix3x3& value);

   244     void setUniformValue(const char *name, const QMatrix3x4& value);

   245     void setUniformValue(const char *name, const QMatrix4x2& value);

   246     void setUniformValue(const char *name, const QMatrix4x3& value);

   247     void setUniformValue(const char *name, const QMatrix4x4& value);

   248     void setUniformValue(const char *name, const GLfloat value[4][4]);

   249     void setUniformValue(const char *name, const QTransform& value);

   250 

   251     void setUniformValueArray(int location, const GLfloat *values, int count, int size);

   252     void setUniformValueArray(int location, const GLint *values, int count);

   253     void setUniformValueArray(int location, const GLuint *values, int count);

   254     void setUniformValueArray(int location, const QVector2D *values, int count);

   255     void setUniformValueArray(int location, const QVector3D *values, int count);

   256     void setUniformValueArray(int location, const QVector4D *values, int count);

   257     void setUniformValueArray(int location, const QMatrix2x2 *values, int count);

   258     void setUniformValueArray(int location, const QMatrix2x3 *values, int count);

   259     void setUniformValueArray(int location, const QMatrix2x4 *values, int count);

   260     void setUniformValueArray(int location, const QMatrix3x2 *values, int count);

   261     void setUniformValueArray(int location, const QMatrix3x3 *values, int count);

   262     void setUniformValueArray(int location, const QMatrix3x4 *values, int count);

   263     void setUniformValueArray(int location, const QMatrix4x2 *values, int count);

   264     void setUniformValueArray(int location, const QMatrix4x3 *values, int count);

   265     void setUniformValueArray(int location, const QMatrix4x4 *values, int count);

   266 

   267     void setUniformValueArray(const char *name, const GLfloat *values, int count, int size);

   268     void setUniformValueArray(const char *name, const GLint *values, int count);

   269     void setUniformValueArray(const char *name, const GLuint *values, int count);

   270     void setUniformValueArray(const char *name, const QVector2D *values, int count);

   271     void setUniformValueArray(const char *name, const QVector3D *values, int count);

   272     void setUniformValueArray(const char *name, const QVector4D *values, int count);

   273     void setUniformValueArray(const char *name, const QMatrix2x2 *values, int count);

   274     void setUniformValueArray(const char *name, const QMatrix2x3 *values, int count);

   275     void setUniformValueArray(const char *name, const QMatrix2x4 *values, int count);

   276     void setUniformValueArray(const char *name, const QMatrix3x2 *values, int count);

   277     void setUniformValueArray(const char *name, const QMatrix3x3 *values, int count);

   278     void setUniformValueArray(const char *name, const QMatrix3x4 *values, int count);

   279     void setUniformValueArray(const char *name, const QMatrix4x2 *values, int count);

   280     void setUniformValueArray(const char *name, const QMatrix4x3 *values, int count);

   281     void setUniformValueArray(const char *name, const QMatrix4x4 *values, int count);

   282 

   283     static bool hasShaderPrograms(const QGLContext *context = 0);

   284 

   285 private Q_SLOTS:

   286     void shaderDestroyed();

   287 

   288 private:

   289     QGLShaderProgramPrivate *d;

   290 

   291     Q_DISABLE_COPY(QGLShaderProgram)

   292 

   293     bool init();

   294 };

   295 

   296 #endif

   297 

   298 QT_END_NAMESPACE

   299 

   300 QT_END_HEADER

   301 

   302 #endif