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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtDataVisualization module.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the QtDataVisualization 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 SHADERHELPER_P_H
#define SHADERHELPER_P_H
#include "datavisualizationglobal_p.h"
class QOpenGLShaderProgram;
QT_BEGIN_NAMESPACE_DATAVISUALIZATION
class ShaderHelper
{
public:
ShaderHelper(QObject *parent,
const QString &vertexShader = QString(),
const QString &fragmentShader = QString(),
const QString &texture = QString(),
const QString &depthTexture = QString());
~ShaderHelper();
void setShaders(const QString &vertexShader, const QString &fragmentShader);
void setTextures(const QString &texture, const QString &depthTexture);
void initialize();
bool testCompile();
void bind();
void release();
void setUniformValue(GLuint uniform, const QVector2D &value);
void setUniformValue(GLuint uniform, const QVector3D &value);
void setUniformValue(GLuint uniform, const QVector4D &value);
void setUniformValue(GLuint uniform, const QMatrix4x4 &value);
void setUniformValue(GLuint uniform, GLfloat value);
void setUniformValue(GLuint uniform, GLint value);
void setUniformValueArray(GLuint uniform, const QVector4D *values, int count);
GLuint MVP();
GLuint view();
GLuint model();
GLuint nModel();
GLuint depth();
GLuint lightP();
GLuint lightS();
GLuint ambientS();
GLuint shadowQ();
GLuint color();
GLuint texture();
GLuint shadow();
GLuint gradientMin();
GLuint gradientHeight();
GLuint lightColor();
GLuint volumeSliceIndices();
GLuint colorIndex();
GLuint cameraPositionRelativeToModel();
GLuint color8Bit();
GLuint textureDimensions();
GLuint sampleCount();
GLuint alphaMultiplier();
GLuint preserveOpacity();
GLuint maxBounds();
GLuint minBounds();
GLuint sliceFrameWidth();
GLuint posAtt();
GLuint uvAtt();
GLuint normalAtt();
private:
QObject *m_caller;
QOpenGLShaderProgram *m_program;
QString m_vertexShaderFile;
QString m_fragmentShaderFile;
QString m_textureFile;
QString m_depthTextureFile;
GLuint m_positionAttr;
GLuint m_uvAttr;
GLuint m_normalAttr;
GLuint m_colorUniform;
GLuint m_viewMatrixUniform;
GLuint m_modelMatrixUniform;
GLuint m_invTransModelMatrixUniform;
GLuint m_depthMatrixUniform;
GLuint m_mvpMatrixUniform;
GLuint m_lightPositionUniform;
GLuint m_lightStrengthUniform;
GLuint m_ambientStrengthUniform;
GLuint m_shadowQualityUniform;
GLuint m_textureUniform;
GLuint m_shadowUniform;
GLuint m_gradientMinUniform;
GLuint m_gradientHeightUniform;
GLuint m_lightColorUniform;
GLuint m_volumeSliceIndicesUniform;
GLuint m_colorIndexUniform;
GLuint m_cameraPositionRelativeToModelUniform;
GLuint m_color8BitUniform;
GLuint m_textureDimensionsUniform;
GLuint m_sampleCountUniform;
GLuint m_alphaMultiplierUniform;
GLuint m_preserveOpacityUniform;
GLuint m_minBoundsUniform;
GLuint m_maxBoundsUniform;
GLuint m_sliceFrameWidthUniform;
GLboolean m_initialized;
};
QT_END_NAMESPACE_DATAVISUALIZATION
#endif
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