GL context init fixes and warning cleanup

src/visual/MeterCanvas.cpp

@@ -45,7 +45,7 @@ void MeterCanvas::setMax(float max_in) {
     level_max = max_in;
 }
 
-bool MeterCanvas::setInputValue(float slider_in) {
+void MeterCanvas::setInputValue(float slider_in) {
     userInputValue = inputValue = slider_in;
 }
 

src/visual/MeterCanvas.h

@@ -23,7 +23,7 @@ public:
 
     void setMax(float max_in);
 
-    bool setInputValue(float slider_in);
+    void setInputValue(float slider_in);
     bool inputChanged();
     float getInputValue();
 

src/visual/MeterContext.cpp

@@ -4,14 +4,12 @@
 
 MeterContext::MeterContext(MeterCanvas *canvas, wxGLContext *sharedContext) :
         PrimaryGLContext(canvas, sharedContext) {
-    glDisable(GL_CULL_FACE);
-    glDisable(GL_DEPTH_TEST);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
 }
 
 void MeterContext::DrawBegin() {
+    glDisable(GL_CULL_FACE);
+    glDisable(GL_DEPTH_TEST);
+
     glClearColor(ThemeMgr::mgr.currentTheme->generalBackground.r, ThemeMgr::mgr.currentTheme->generalBackground.g, ThemeMgr::mgr.currentTheme->generalBackground.b, 1.0);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 

src/visual/PrimaryGLContext.cpp

@@ -53,14 +53,14 @@ void PrimaryGLContext::CheckGLError() {
 
 PrimaryGLContext::PrimaryGLContext(wxGLCanvas *canvas, wxGLContext *sharedContext) :
         wxGLContext(canvas, sharedContext) {
-    SetCurrent(*canvas);
-#ifndef __linux__
-    // Pre-load fonts
-    for (int i = 0; i < GLFONT_MAX; i++) {
-        getFont((GLFontSize) i);
-    }
-    CheckGLError();
-#endif
+//#ifndef __linux__
+//    SetCurrent(*canvas);
+//    // Pre-load fonts
+//    for (int i = 0; i < GLFONT_MAX; i++) {
+//        getFont((GLFontSize) i);
+//    }
+//    CheckGLError();
+//#endif
 }
 
 GLFont &PrimaryGLContext::getFont(GLFontSize esize) {
@@ -86,6 +86,9 @@ GLFont &PrimaryGLContext::getFont(GLFontSize esize) {
         case GLFONT_SIZE48:
             fontName = "vera_sans_mono48.fnt";
             break;
+        default:
+            fontName = "vera_sans_mono12.fnt";
+            break;
         }
 
         fonts[esize].loadFont(fontName);