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

     2 **

     3 ** Copyright (C) 2010 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.

    27 **

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

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

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    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 ShaderTypeBit

    67     {

    68         Vertex          = 0x0001,

    69         Fragment        = 0x0002

    70     };

    71     Q_DECLARE_FLAGS(ShaderType, ShaderTypeBit)

    72 

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

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

    75     virtual ~QGLShader();

    76 

    77     QGLShader::ShaderType shaderType() const;

    78 

    79     bool compileSourceCode(const char *source);

    80     bool compileSourceCode(const QByteArray& source);

    81     bool compileSourceCode(const QString& source);

    82     bool compileSourceFile(const QString& fileName);

    83 

    84     QByteArray sourceCode() const;

    85 

    86     bool isCompiled() const;

    87     QString log() const;

    88 

    89     GLuint shaderId() const;

    90 

    91 private:

    92     friend class QGLShaderProgram;

    93 

    94     Q_DISABLE_COPY(QGLShader)

    95     Q_DECLARE_PRIVATE(QGLShader)

    96 };

    97 

    98 Q_DECLARE_OPERATORS_FOR_FLAGS(QGLShader::ShaderType)

    99 

   100 

   101 class QGLShaderProgramPrivate;

   102 

   103 class Q_OPENGL_EXPORT QGLShaderProgram : public QObject

   104 {

   105     Q_OBJECT

   106 public:

   107     explicit QGLShaderProgram(QObject *parent = 0);

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

   109     virtual ~QGLShaderProgram();

   110 

   111     bool addShader(QGLShader *shader);

   112     void removeShader(QGLShader *shader);

   113     QList<QGLShader *> shaders() const;

   114 

   115     bool addShaderFromSourceCode(QGLShader::ShaderType type, const char *source);

   116     bool addShaderFromSourceCode(QGLShader::ShaderType type, const QByteArray& source);

   117     bool addShaderFromSourceCode(QGLShader::ShaderType type, const QString& source);

   118     bool addShaderFromSourceFile(QGLShader::ShaderType type, const QString& fileName);

   119 

   120     void removeAllShaders();

   121 

   122     virtual bool link();

   123     bool isLinked() const;

   124     QString log() const;

   125 

   126     bool bind();

   127     void release();

   128 

   129     GLuint programId() const;

   130 

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

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

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

   134 

   135     int attributeLocation(const char *name) const;

   136     int attributeLocation(const QByteArray& name) const;

   137     int attributeLocation(const QString& name) const;

   138 

   139     void setAttributeValue(int location, GLfloat value);

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

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

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

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

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

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

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

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

   148 

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

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

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

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

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

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

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

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

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

   158 

   159     void setAttributeArray

   160         (int location, const GLfloat *values, int tupleSize, int stride = 0);

   161     void setAttributeArray

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

   163     void setAttributeArray

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

   165     void setAttributeArray

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

   167     void setAttributeArray

   168         (const char *name, const GLfloat *values, int tupleSize, int stride = 0);

   169     void setAttributeArray

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

   171     void setAttributeArray

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

   173     void setAttributeArray

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

   175 

   176     void enableAttributeArray(int location);

   177     void enableAttributeArray(const char *name);

   178     void disableAttributeArray(int location);

   179     void disableAttributeArray(const char *name);

   180 

   181     int uniformLocation(const char *name) const;

   182     int uniformLocation(const QByteArray& name) const;

   183     int uniformLocation(const QString& name) const;

   184 

   185 #ifdef Q_MAC_COMPAT_GL_FUNCTIONS

   186     void setUniformValue(int location, QMacCompatGLint value);

   187     void setUniformValue(int location, QMacCompatGLuint value);

   188     void setUniformValue(const char *name, QMacCompatGLint value);

   189     void setUniformValue(const char *name, QMacCompatGLuint value);

   190     void setUniformValueArray(int location, const QMacCompatGLint *values, int count);

   191     void setUniformValueArray(int location, const QMacCompatGLuint *values, int count);

   192     void setUniformValueArray(const char *name, const QMacCompatGLint *values, int count);

   193     void setUniformValueArray(const char *name, const QMacCompatGLuint *values, int count);

   194 #endif

   195 

   196     void setUniformValue(int location, GLfloat value);

   197     void setUniformValue(int location, GLint value);

   198     void setUniformValue(int location, GLuint value);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   221 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   247 

   248     void setUniformValueArray(int location, const GLfloat *values, int count, int tupleSize);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   263 

   264     void setUniformValueArray(const char *name, const GLfloat *values, int count, int tupleSize);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   279 

   280     static bool hasOpenGLShaderPrograms(const QGLContext *context = 0);

   281 

   282 private Q_SLOTS:

   283     void shaderDestroyed();

   284 

   285 private:

   286     Q_DISABLE_COPY(QGLShaderProgram)

   287     Q_DECLARE_PRIVATE(QGLShaderProgram)

   288 

   289     bool init();

   290 };

   291 

   292 #endif

   293 

   294 QT_END_NAMESPACE

   295 

   296 QT_END_HEADER

   297 

   298 #endif