sine wave works now

Source/FilterView.h

@@ -15,15 +15,91 @@
 //==============================================================================
 /*
 */
-class FilterView  : public juce::Component
+/*
+ *  ==============================================================================
+ *
+ *    CrushView.h
+ *    Created: 16 Jan 2026 5:05:38pm
+ *    Author:  esca
+ *
+ *  ==============================================================================
+ */
+
+#pragma once
+
+#include "juce_gui_basics/juce_gui_basics.h"
+#include "juce_opengl/juce_opengl.h"
+#include <JuceHeader.h>
+#include "OpenGLUtils.h"
+#include <string>
+//==============================================================================
+/*
+ */
+#define CRUSHVIEW_SAMPLECOUNT 200
+
+class FilterView  : public juce::Component, public juce::OpenGLRenderer
 {
 public:
-    FilterView();
-    ~FilterView() override;
+  FilterView();
+  ~FilterView() override;
 
-    void paint (juce::Graphics&) override;
-    void resized() override;
+  void renderFilter();
+
+  void newOpenGLContextCreated() override;
+  void renderOpenGL() override;
+  void openGLContextClosing() override;
+
+  void paint (juce::Graphics&) override;
+  void resized() override;
 
 private:
-    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FilterView)
+  JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FilterView)
+
+  bool isLowPass;
+  float cutoff;
+  float mix;
+
+  juce::OpenGLContext ctx;
+  juce::OpenGLPixelFormat antialiasing;
+
+  std::vector<Vertex> filterVertices;
+  std::vector<unsigned int> filterIndices;
+
+  std::vector<Vertex> filterBackgroundVertices;
+  std::vector<unsigned int> filterBackgroundIndices;
+
+  std::vector<Vertex> fftVertices;
+  std::vector<unsigned int> fftIndices;
+
+  std::vector<VertexTexture> backgroundVertices;
+  std::vector<unsigned int> backgroundIndices;
+
+  juce::ComponentListener listener;
+
+  GLuint vboFilter;
+  GLuint iboFilter;
+
+  GLuint vbofft;
+  GLuint ibofft;
+
+  GLuint vboBackground;
+  GLuint iboBackground;
+
+  std::string vertexShader;
+  std::string fragmentShader;
+  std::string vertexShaderFill;
+  std::string fragmentShaderFill;
+
+  std::string vertexShaderBackground;
+  std::string fragmentShaderBackground;
+
+  std::unique_ptr<juce::OpenGLShaderProgram> shaderProgram;
+  std::unique_ptr<juce::OpenGLShaderProgram> shaderProgermFilter;
+  std::unique_ptr<juce::OpenGLShaderProgram> shaderProgramBackground;
+
+  juce::Image background;
+  juce::OpenGLTexture bgTexture;
+
 };
+
+