Fix bad OpenGL bu

core/src/gui/icons.h

@@ -2,10 +2,7 @@
 #include <imgui/imgui.h>
 #include <string>
 
-#ifdef _WIN32
-#include <windows.h>
-#endif
-#include <GL/gl.h>
+#include <utils/opengl_include_code.h>
 
 namespace icons {
     extern ImTextureID LOGO;

core/src/gui/widgets/image.h

@@ -5,10 +5,7 @@
 #include <dsp/stream.h>
 #include <mutex>
 
-#ifdef _WIN32
-#include <windows.h>
-#endif
-#include <GL/gl.h>
+#include <utils/opengl_include_code.h>
 
 namespace ImGui {
     class ImageDisplay {

core/src/gui/widgets/line_push_image.h

@@ -5,10 +5,7 @@
 #include <dsp/stream.h>
 #include <mutex>
 
-#ifdef _WIN32
-#include <windows.h>
-#endif
-#include <GL/gl.h>
+#include <utils/opengl_include_code.h>
 
 namespace ImGui {
     class LinePushImage {

core/src/gui/widgets/waterfall.h

@@ -6,10 +6,7 @@
 #include <imgui/imgui_internal.h>
 #include <utils/event.h>
 
-#ifdef _WIN32
-#include <windows.h>
-#endif
-#include <GL/gl.h>
+#include <utils/opengl_include_code.h>
 
 #define WATERFALL_RESOLUTION 1000000
 

core/src/utils/opengl_include_code.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#if defined(_WIN32)
+#include <windows.h>
+#include <GL/gl.h>
+#elif define(__APPLE__)
+#include <OpenGL/gl.h>
+#else
+#include <GL/gl.h>
+#endif