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#ifndef GLWAVEFORMRENDERERSIGNALSHADER_H
#define GLWAVEFORMRENDERERSIGNALSHADER_H
#include <QGLFramebufferObject>
#include <QGLShaderProgram>
#include <QtOpenGL>
#include <QOpenGLFunctions_2_1>
#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_2)
#include "track/track.h"
#include "util/memory.h"
#include "waveform/renderers/waveformrenderersignalbase.h"
class GLSLWaveformRendererSignal: public QObject,
public WaveformRendererSignalBase,
protected QOpenGLFunctions_2_1 {
Q_OBJECT
public:
GLSLWaveformRendererSignal(WaveformWidgetRenderer* waveformWidgetRenderer,
bool rgbShader);
~GLSLWaveformRendererSignal() override;
bool onInit() override;
void onSetup(const QDomNode& node) override;
void draw(QPainter* painter, QPaintEvent* event) override;
void onSetTrack() override;
void onResize() override;
void debugClick();
bool loadShaders();
bool loadTexture();
public slots:
void slotWaveformUpdated();
private:
void createGeometry();
void createFrameBuffers();
GLint m_unitQuadListId;
GLuint m_textureId;
TrackPointer m_loadedTrack;
int m_textureRenderedWaveformCompletion;
// Frame buffer for two pass rendering.
std::unique_ptr<QGLFramebufferObject> m_framebuffer;
bool m_bDumpPng;
// shaders
bool m_shadersValid;
bool m_rgbShader;
std::unique_ptr<QGLShaderProgram> m_frameShaderProgram;
};
class GLSLWaveformRendererFilteredSignal: public GLSLWaveformRendererSignal {
public:
GLSLWaveformRendererFilteredSignal(
WaveformWidgetRenderer* waveformWidgetRenderer) :
GLSLWaveformRendererSignal(waveformWidgetRenderer, false) {
}
~GLSLWaveformRendererFilteredSignal() override {
}
};
class GLSLWaveformRendererRGBSignal : public GLSLWaveformRendererSignal {
public:
GLSLWaveformRendererRGBSignal(
WaveformWidgetRenderer* waveformWidgetRenderer)
: GLSLWaveformRendererSignal(waveformWidgetRenderer, true) {}
~GLSLWaveformRendererRGBSignal() override {}
};
#endif // QT_NO_OPENGL && !QT_OPENGL_ES_2
#endif // GLWAVEFORMRENDERERSIGNALSHADER_H
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