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

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

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

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

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

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** $QT_END_LICENSE$

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****************************************************************************/

#ifndef QGLSHADERPROGRAM_H

#define QGLSHADERPROGRAM_H

#include <QtOpenGL/qgl.h>

#include <QtGui/qvector2d.h>

#include <QtGui/qvector3d.h>

#include <QtGui/qvector4d.h>

#include <QtGui/qmatrix4x4.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(OpenGL)

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

class QGLShaderProgram;

class QGLShaderPrivate;

class Q_OPENGL_EXPORT QGLShader : public QObject

{

    Q_OBJECT

public:

    enum ShaderTypeBits

    {

        VertexShader            = 0x0001,

        FragmentShader          = 0x0002,

        PartialShader           = 0x1000,

        PartialVertexShader     = PartialShader | VertexShader,

        PartialFragmentShader   = PartialShader | FragmentShader

    };

    Q_DECLARE_FLAGS(ShaderType, ShaderTypeBits)

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

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

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

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

    virtual ~QGLShader();

    QGLShader::ShaderType shaderType() const;

    bool compile(const char *source);

    bool compile(const QByteArray& source);

    bool compile(const QString& source);

    bool compileFile(const QString& fileName);

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

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

    static QList<GLenum> shaderBinaryFormats();

    QByteArray sourceCode() const;

    bool isCompiled() const;

    QString log() const;

    GLuint shaderId() const;

private:

    QGLShaderPrivate *d;

    friend class QGLShaderProgram;

    Q_DISABLE_COPY(QGLShader)

};

Q_DECLARE_OPERATORS_FOR_FLAGS(QGLShader::ShaderType)

class QGLShaderProgramPrivate;

class Q_OPENGL_EXPORT QGLShaderProgram : public QObject

{

    Q_OBJECT

public:

    explicit QGLShaderProgram(QObject *parent = 0);

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

    virtual ~QGLShaderProgram();

    bool addShader(QGLShader *shader);

    void removeShader(QGLShader *shader);

    QList<QGLShader *> shaders() const;

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

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

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

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

    void removeAllShaders();

    QByteArray programBinary(int *format) const;

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

    static QList<int> programBinaryFormats();

    virtual bool link();

    bool isLinked() const;

    QString log() const;

    bool enable();

    static void disable();

    GLuint programId() const;

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

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

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

    int attributeLocation(const char *name) const;

    int attributeLocation(const QByteArray& name) const;

    int attributeLocation(const QString& name) const;

    void setAttributeValue(int location, GLfloat value);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    void setAttributeArray

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

    void setAttributeArray

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

    void setAttributeArray

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

    void setAttributeArray

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

    void setAttributeArray

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

    void setAttributeArray

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

    void setAttributeArray

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

    void setAttributeArray

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

    void disableAttributeArray(int location);

    void disableAttributeArray(const char *name);

    int uniformLocation(const char *name) const;

    int uniformLocation(const QByteArray& name) const;

    int uniformLocation(const QString& name) const;

    void setUniformValue(int location, GLfloat value);

    void setUniformValue(int location, GLint value);

    void setUniformValue(int location, GLuint value);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

private Q_SLOTS:

    void shaderDestroyed();

private:

    QGLShaderProgramPrivate *d;

    Q_DISABLE_COPY(QGLShaderProgram)

    bool init();

};

#endif

QT_END_NAMESPACE

QT_END_HEADER

#endif