Fixed OpenGL memory leak

core/src/gui/main_window.cpp

@@ -88,7 +88,7 @@ bool showMenu = true;
 dsp::stream<dsp::complex_t> dummyStream;
 
 void windowInit() {
-    spdlog::info("Initializing SoapySDR");
+    gui::waterfall.init();
 
     credits::init();
 

core/src/gui/waterfall.cpp

@@ -107,6 +107,10 @@ namespace ImGui {
         updatePallette(COLOR_MAP, 13);
     }
 
+    void WaterFall::init() {
+        glGenTextures(1, &textureId);
+    }
+
     void WaterFall::drawFFT() {
         // Calculate scaling factor
         float startLine = floorf(fftMax / vRange) * vRange;
@@ -361,7 +365,6 @@ namespace ImGui {
     }
 
     void WaterFall::updateWaterfallTexture() {
-        glGenTextures(1, &textureId);
         glBindTexture(GL_TEXTURE_2D, textureId);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

core/src/gui/waterfall.h

@@ -51,6 +51,8 @@ namespace ImGui {
     public:
         WaterFall();
 
+        void init();
+
         void draw();
         void pushFFT(std::vector<float> data, int n);
 

root_dev/config.json

@@ -19,7 +19,7 @@
     "bandPlan": "General",
     "bandPlanEnabled": true,
     "fftHeight": 298,
-    "frequency": 98200000,
+    "frequency": 100100000,
     "max": 0.0,
     "maximized": true,
     "menuOrder": [

root_dev/soapy_source_config.json

@@ -1,5 +1,5 @@
 {
-    "device": "HackRF One #0 901868dc282c8f8b",
+    "device": "Generic RTL2832U OEM :: 00000001",
     "devices": {
         "AirSpy HF+ [c852435de0224af7]": {
             "gains": {