Holy hell, finally got this working with an R9 390 + Ubuntu.

include/Application.h

@@ -44,9 +44,9 @@ public:
 	static const int WINDOW_X = 1600;
 	static const int WINDOW_Y = 900;
 
-	static const int MAP_X = 32;
-	static const int MAP_Y = 32;
-	static const int MAP_Z = 32;
+	static const int MAP_X;
+	static const int MAP_Y;
+	static const int MAP_Z;
 
 	Application();
 	~Application();
@@ -92,4 +92,4 @@ private:
 		delta_time = 0.0,
 		accumulator_time = 0.0,
 		current_time = 0.0;
-};
+};

include/CLCaster.h

@@ -3,10 +3,11 @@
 #include <vector>
 #include <iostream>
 #include <map>
+#include <GL/glew.h>
 #include <string.h>
 #include "LightController.h"
 #include "Camera.h"
-#include <GL/glew.h>
+//#include <GL/glew.h>
 #include <Application.h>
 #include <unordered_map>
 #include "Logger.h"
@@ -16,7 +17,10 @@
 #ifdef linux
 #include <CL/cl.h>
 #include <CL/opencl.h>
-#include <EGL/egl.h>
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <GL/glu.h>
+//#include <EGL/egl.h>
 //#include <GL/glx.h>
 
 #elif defined _WIN32

include/map/ArrayMap.h

@@ -20,7 +20,7 @@ public:
 	// =========== DEBUG =========== //
 	char* getDataPtr();
 	
-	std::vector<std::tuple<sf::Vector3i, char>>  ArrayMap::CastRayCharArray(
+	std::vector<std::tuple<sf::Vector3i, char>>  CastRayCharArray(
 		char* map,
 		sf::Vector3i* map_dim,
 		sf::Vector2f* cam_dir,
@@ -32,4 +32,4 @@ private:
 	char *voxel_data;
 	sf::Vector3i dimensions;
 	
-};
+};

include/map/Octree.h

@@ -92,7 +92,7 @@ public:
 	static const uint64_t contour_pointer_mask = 0xFFFFFF00000000;
 	static const uint64_t contour_mask = 0xFF00000000000000;
 
-	std::vector<std::tuple<sf::Vector3i, char>> Octree::CastRayOctree(
+	std::vector<std::tuple<sf::Vector3i, char>> CastRayOctree(
 		sf::Vector2f cam_dir,
 		sf::Vector3f cam_pos
 	);