mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-22 16:08:39 -05:00
72 lines
3.1 KiB
C++
72 lines
3.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
|
// written by Christian Daniel //
|
|
// Copyright (C) 2015-2019 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
|
|
// Copyright (C) 2022 Jon Beniston, M7RCE <jon@beniston.com> //
|
|
// //
|
|
// This program is free software; you can redistribute it and/or modify //
|
|
// it under the terms of the GNU General Public License as published by //
|
|
// the Free Software Foundation as version 3 of the License, or //
|
|
// (at your option) any later version. //
|
|
// //
|
|
// This program is distributed in the hope that it will be useful, //
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
|
// GNU General Public License V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef INCLUDE_GUI_GLSHADERCOLORMAP_H_
|
|
#define INCLUDE_GUI_GLSHADERCOLORMAP_H_
|
|
|
|
#include <QString>
|
|
#include <QOpenGLTexture>
|
|
#include <QOpenGLFunctions>
|
|
#include <QOpenGLVertexArrayObject>
|
|
#include <QOpenGLBuffer>
|
|
|
|
#include "export.h"
|
|
|
|
class QOpenGLShaderProgram;
|
|
class QMatrix4x4;
|
|
class QVector4D;
|
|
|
|
// Shader to fill with a gradient from a color map
|
|
// Used for filling the area under the spectrum
|
|
class SDRGUI_API GLShaderColorMap : protected QOpenGLFunctions
|
|
{
|
|
public:
|
|
GLShaderColorMap();
|
|
~GLShaderColorMap();
|
|
|
|
void initializeGL(int majorVersion, int minorVersion);
|
|
void initColorMapTexture(const QString &colorMapName);
|
|
void drawSurfaceStrip(const QMatrix4x4& transformMatrix, GLfloat *vertices, int nbVertices, float scale, float alpha);
|
|
void cleanup();
|
|
|
|
private:
|
|
void initColorMapTextureMutable(const QString &colorMapName);
|
|
void initColorMapTextureImmutable(const QString &colorMapName);
|
|
bool useImmutableStorage();
|
|
|
|
QOpenGLShaderProgram *m_program;
|
|
QOpenGLVertexArrayObject *m_vao;
|
|
QOpenGLBuffer *m_verticesBuf;
|
|
QOpenGLTexture *m_colorMapTexture;
|
|
unsigned int m_colorMapTextureId;
|
|
int m_vertexLoc;
|
|
int m_matrixLoc;
|
|
int m_colorMapLoc;
|
|
int m_scaleLoc;
|
|
int m_alphaLoc;
|
|
bool m_useImmutableStorage;
|
|
static const QString m_vertexShaderSourceColorMap2;
|
|
static const QString m_vertexShaderSourceColorMap;
|
|
static const QString m_fragmentShaderSourceColorMap2;
|
|
static const QString m_fragmentShaderSourceColorMap;
|
|
};
|
|
|
|
#endif /* INCLUDE_GUI_GLSHADERCOLORMAP_H_ */
|