Got the octree data to the GPU and it's traversing it, but it having some corruption issues. Endianness???

include/Application.h

@@ -63,6 +63,7 @@ private:
 
 	std::shared_ptr<sf::RenderWindow> window;
 	std::shared_ptr<Old_Map> map;
+	std::shared_ptr<Map> octree;
 	std::shared_ptr<Camera> camera;
 	std::shared_ptr<CLCaster> raycaster;
 	std::shared_ptr<LightHandle> light_handle;

include/CLCaster.h

@@ -10,6 +10,7 @@
 #include <GL/glew.h>
 #include <unordered_map>
 #include "Logger.h"
+#include "map/Map.h"
 
 #ifdef linux
 #include <CL/cl.h>
@@ -86,23 +87,79 @@ struct PackedData;
 
 class CLCaster {
 
-
 public:
 
-	enum ERROR_CODES {
+	/**
-		SHARING_NOT_SUPPORTED = 800,
+	 * CLCaster is the beginning and end to all interaction with the GPU.
-		OPENCL_NOT_SUPPORTED = 801,
+	 * 
-		OPENCL_ERROR = 802,
+	 * It queries devices, manages the creation of various data structures as well
-		ERR = 803
+	 * as they syncing between the GPU. It Handles computing of the cast as well
-	};
+	 * as rendering of the computed cast.
+	 * 
+	 */
+
+	CLCaster();
+	virtual ~CLCaster();
+	
+	// Queries hardware, creates the command queue and context, and compiles kernel
+	bool init();
+
+	// Creates a texture to send to the GPU via height and width
+	// Creates a viewport vector array via vertical and horizontal fov
+	bool create_viewport(int width, int height, float v_fov, float h_fov) ;
+	
+	// Light controllers own the copy of the PackedData array.
+	// We receive a pointer to the array and USE_HOST_POINTER to map the memory to the GPU
+	bool assign_lights(std::vector<PackedData> *data) ;
+
+	// We take a ptr to the map and create the map, and map_dimensions buffer for the GPU
+	bool assign_map(std::shared_ptr<Old_Map> map);
+	bool release_map();
+
+	// We take a ptr to the map and create the map, and map_dimensions buffer for the GPU
+	bool assign_octree(std::shared_ptr<Map> octree);
+	bool release_octree();
+
+	// We take a ptr to the camera and create a camera direction and position buffer
+	bool assign_camera(std::shared_ptr<Camera> camera);
+	bool release_camera();
+
+	// Creates 3 buffers relating to the texture atlas: texture_atlas, atlas_dim, and tile_dim
+	// With these on the GPU we can texture any quad with an atlas tile
+	bool create_texture_atlas(sf::Texture *t, sf::Vector2i tile_dim);
+	
+	// Check to make sure that the buffers have been initiated and set them as kernel args
+	bool validate() ;
+
+	// Aquires the GL objects, runs the kernel, releases back the GL objects
+	bool compute() ;
+
+	// Take the viewport sprite and draw it to the screen
+	void draw(sf::RenderWindow* window) ;
+
+	// Load the saved device config from a file
+	bool load_config();
+
+	// Save the chosen device config to a file
+	void save_config();
+	// ================================== DEBUG =======================================
+	
+	// Re compile the kernel and revalidate the args
+	bool debug_quick_recompile();
+
+	// Modify the viewport matrix
+	void test_edit_viewport(int width, int height, float v_fov, float h_fov);
+
+
+private:
 
 	/**
-	 * Device is a storage container for device data we retrieve from OpenCL
+	* Device is a storage container for device data we retrieve from OpenCL
-	 * 
+	*
-	 * The data is mainly queries as strings or integer types and stored into
+	* The data is mainly queries as strings or integer types and stored into
-	 * respective containers. We store this data into a file and retrieve it later
+	* respective containers. We store this data into a file and retrieve it later
-	 * to let users select a preferred compute device and keep track of their choice
+	* to let users select a preferred compute device and keep track of their choice
-	 */
+	*/
 	class device {
 
 	public:
@@ -140,66 +197,6 @@ public:
 
 	};
 
-	/**
-	 * Hardware caster is the beginning and end to all interaction with the GPU.
-	 * 
-	 * It queries devices, manages the creation of various data structures as well
-	 * as they syncing between the GPU. It Handles computing of the cast as well
-	 * as rendering of the computed cast.
-	 * 
-	 */
-	CLCaster();
-	virtual ~CLCaster();
-
-	
-	// Queries hardware, creates the command queue and context, and compiles kernel
-	bool init();
-
-	// Creates a texture to send to the GPU via height and width
-	// Creates a viewport vector array via vertical and horizontal fov
-	bool create_viewport(int width, int height, float v_fov, float h_fov) ;
-	
-	// Light controllers own the copy of the PackedData array.
-	// We receive a pointer to the array and USE_HOST_POINTER to map the memory to the GPU
-	bool assign_lights(std::vector<PackedData> *data) ;
-
-	// We take a ptr to the map and create the map, and map_dimensions buffer for the GPU
-	bool assign_map(std::shared_ptr<Old_Map> map);
-	bool release_map();
-
-	// We take a ptr to the camera and create a camera direction and position buffer
-	bool assign_camera(std::shared_ptr<Camera> camera);
-	bool release_camera();
-
-	// Creates 3 buffers relating to the texture atlas: texture_atlas, atlas_dim, and tile_dim
-	// With these on the GPU we can texture any quad with an atlas tile
-	bool create_texture_atlas(sf::Texture *t, sf::Vector2i tile_dim);
-	
-	// Check to make sure that the buffers have been initiated and set them as kernel args
-	bool validate() ;
-
-	// Aquires the GL objects, runs the kernel, releases back the GL objects
-	bool compute() ;
-
-	// Take the viewport sprite and draw it to the screen
-	void draw(sf::RenderWindow* window) ;
-
-	// Load the saved device config from a file
-	bool load_config();
-
-	// Save the chosen device config to a file
-	void save_config();
-	// ================================== DEBUG =======================================
-	
-	// Re compile the kernel and revalidate the args
-	bool debug_quick_recompile();
-
-	// Modify the viewport matrix
-	void test_edit_viewport(int width, int height, float v_fov, float h_fov);
-
-
-private:
-
 	// Cycle through the OpenCL devices and store *all* of their data, not super useful
 	bool query_hardware();
 
@@ -281,6 +278,7 @@ private:
 
 	std::shared_ptr<Camera> camera;
 	std::shared_ptr<Old_Map> map;
+	std::shared_ptr<Map> octree;
 
 	std::vector<PackedData> *lights;
 	int light_count = 0;

include/LightController.h

@@ -7,10 +7,35 @@
 #include "CLCaster.h"
 #include "LightHandle.h"
 
-
+/**
-// Typical light workflow:
+* Light Handle :
-// 1.) Create light prototype with desired values
+*	- Contains data relating to movement, and a reference to the rbgi, direction, and position
-// 2.) Submit prototype to the LightController 
+*		elements in the LightController.
+*	- Resultant of the use of LightController.create_light(LightPrototype). Cannot be self instantiated.
+*	- On deconstruction, light data is removed from the LightController via a reference and the light disappears 
+*
+* LightPrototype :
+*	- Contains the desired starting values for the light. The LightHandler object will then be
+*		instantiated using this data
+*
+* PackedData :
+*	- We need to single out the data that the GPU needs into a single contiguous
+*		array. PackedData holds the values for position, direction, and rgbi
+*
+* LightController :
+*	- Contains the PackedData array in a static sized array.
+*		Empty light slots are set to 0 and still sent over the line
+*		TODO: This introduces light limits and inefficiencies
+*	- Contains a factory that takes LightPrototypes and generates unique ptr LightHandles.
+*		Each light handle is given a light index enabling light removal.
+*
+* Typical light workflow:
+* 1.) Create light prototype with desired values
+* 2.) Submit prototype to the LightController 
+* 3.) Get a light handle back from the controller
+*		- The handle is unsafe and will break if it exceeds PackedData's lifetime
+* 
+*/
 
 struct LightPrototype {
 	
@@ -56,8 +81,10 @@ public:
 	LightController(std::shared_ptr<CLCaster> raycaster);
 	~LightController();
 
-	// find a free light 'slot' and create
+	// find a free light 'slot' and create the light
+	// LightHandles are single instance single lifetime data structures
 	std::shared_ptr<LightHandle> create_light(LightPrototype light_prototype);
+	
 	void remove_light(unsigned int light_index);
 
 	void recieve_event(VrEventPublisher* publisher, std::unique_ptr<vr::Event> event) override;

include/LightHandle.h

@@ -6,29 +6,6 @@
 #include "Vector4.hpp"
 
 
-// Light Handle :
-//	- Contains data relating to movement, and a reference to the rbgi, direction, and position
-//		elements in the LightController.
-//	- Resultant of the use of LightController.create_light(LightPrototype). Cannot be self instantiated.
-//	- On deconstruction, light data is removed from the LightController and the light disappears 
-
-// LightPrototype :
-//	- Contains the desired starting values for the light. The LightHandler object will then be
-//		instantiated using this data
-
-// PackedData :
-//	- We need to single out the data that the GPU needs into a single contiguous
-//		array. PackedData holds the values for position, direction, and rgbi
-
-// LightController :
-//	- Contains the PackedData array in a static sized array.
-//		Empty light slots are set to 0 and still sent over the line
-//		TODO: This introduces light limits and inefficiencies
-//	- Contains a factory that takes LightPrototypes and generates unique ptr LightHandles.
-//		Each light handle is given a light index enabling light removal.
-
-
-
 struct LightPrototype;
 class LightController;
 struct PackedData;

include/map/Octree.h

@@ -95,7 +95,7 @@ private:
 	};
 
 	// Mask for counting the previous valid bits
-	const uint8_t count_mask_8[8]{
+	const uint8_t count_mask_8[8] = {
 		0x1,  0x3,  0x7,  0xF,
 		0x1F, 0x3F, 0x7F, 0xFF
 	};

kernels/ray_caster_kernel.cl

@@ -25,13 +25,10 @@ float4 white_light(float4 input, float3 light, int3 mask) {
 
 }
 
-
 // Phong + diffuse lighting function for g
-
 //  0  1  2  3  4  5  6  7   8   9
 // {r, g, b, i, x, y, z, x', y', z'}
 
-
 float4 view_light(float4 in_color, float3 light, float4 light_color, float3 view, int3 mask) {
 
 	float d = Distance(light) / 100.0f;
@@ -63,7 +60,155 @@ int rand(int* seed) // 1 <= *seed < m
 	return(*seed);
 }
 
+bool get_oct_vox(
+	int3 position,
+	global ulong *octree_descriptor_buffer,
+	global uint *octree_attachment_lookup_buffer,
+	global ulong *octree_attachment_buffer,
+	global ulong *settings_buffer
+){
 
+	// (X, Y, Z) mask for the idx
+	const uchar idx_set_x_mask = 0x1;
+	const uchar idx_set_y_mask = 0x2;
+	const uchar idx_set_z_mask = 0x4;
+
+	const uchar mask_8[8] = {
+		0x1,  0x2,  0x4,  0x8,
+		0x10, 0x20, 0x40, 0x80
+	};
+
+	// Mask for counting the previous valid bits
+	const uchar count_mask_8[8] = {
+		0x1,  0x3,  0x7,  0xF,
+		0x1F, 0x3F, 0x7F, 0xFF
+	};
+
+		// uint64_t manipulation masks
+	const ulong child_pointer_mask = 0x0000000000007fff;
+	const ulong far_bit_mask = 0x8000;
+	const ulong valid_mask = 0xFF0000;
+	const ulong leaf_mask = 0xFF000000;
+	const ulong contour_pointer_mask = 0xFFFFFF00000000;
+	const ulong contour_mask = 0xFF00000000000000;
+
+
+	// push the root node to the parent stack
+	ulong current_index = *settings_buffer;
+	ulong head = octree_descriptor_buffer[current_index];
+
+	uint parent_stack_position = 0;
+	ulong parent_stack[32];
+
+	uchar scale = 0;
+	uchar idx_stack[32];
+
+	ulong current_descriptor = 0;
+
+	bool found = false;
+
+	parent_stack[parent_stack_position] = head;
+
+	// Set our initial dimension and the position at the corner of the oct to keep track of our position
+	int dimension = 32;
+	int3 quad_position = (0, 0, 0);
+
+	// While we are not at the required resolution
+	//		Traverse down by setting the valid/leaf mask to the subvoxel
+	//		Check to see if it is valid
+	//			Yes?
+	//				Check to see if it is a leaf
+	//				No? Break
+	//				Yes? Scale down to the next hierarchy, push the parent to the stack
+	//
+	//			No?
+	//				Break
+	while (dimension > 1) {
+
+		// So we can be a little bit tricky here and increment our
+		// array index that holds our masks as we build the idx.
+		// Adding 1 for X, 2 for Y, and 4 for Z
+		int mask_index = 0;
+
+
+		// Do the logic steps to find which sub oct we step down into
+		if (position.x >= (dimension / 2) + quad_position.x) {
+
+			// Set our voxel position to the (0,0) of the correct oct
+			quad_position.x += (dimension / 2);
+
+			// increment the mask index and mentioned above
+			mask_index += 1;
+
+			// Set the idx to represent the move
+			idx_stack[scale] |= idx_set_x_mask;
+
+		}
+		if (position.y >= (dimension / 2) + quad_position.y) {
+
+			quad_position.y |= (dimension / 2);
+
+			mask_index += 2;
+
+			// TODO What is up with the binary operator on this one?
+			idx_stack[scale] ^= idx_set_y_mask;
+
+		}
+		if (position.z >= (dimension / 2) + quad_position.z) {
+
+			quad_position.z += (dimension / 2);
+
+			mask_index += 4;
+
+			idx_stack[scale] |= idx_set_z_mask;
+
+		}
+
+		// Check to see if we are on a valid oct
+		if ((head >> 16) & mask_8[mask_index]) {
+
+			// Check to see if it is a leaf
+			if ((head >> 24) & mask_8[mask_index]) {
+
+				// If it is, then we cannot traverse further as CP's won't have been generated
+				found = true;
+				return found;
+			}
+
+			// If all went well and we found a valid non-leaf oct then we will traverse further down the hierarchy
+			scale++;
+			dimension /= 2;
+
+			// Count the number of valid octs that come before and add it to the index to get the position
+			// Negate it by one as it counts itself
+			int count = popcount((uchar)(head >> 16) & count_mask_8[mask_index]) - 1;
+
+			// access the element at which head points to and then add the specified number of indices
+			// to get to the correct child descriptor
+			current_index = current_index + (head & child_pointer_mask) + count;
+			head = octree_descriptor_buffer[current_index];
+
+			// Increment the parent stack position and put the new oct node as the parent
+			parent_stack_position++;
+			parent_stack[parent_stack_position] = head;
+
+		}
+		else {
+			// If the oct was not valid, then no CP's exists any further
+			// This implicitly says that if it's non-valid then it must be a leaf!!
+
+			// It appears that the traversal is now working but I need
+			// to focus on how to now take care of the end condition.
+			// Currently it adds the last parent on the second to lowest
+			// oct CP. Not sure if thats correct
+			found = 0;
+			return found;
+		}
+	}
+
+	found = 1;
+	return found;
+}
 
 // =================================== Boolean ray intersection ============================
 // =========================================================================================
@@ -71,8 +216,8 @@ int rand(int* seed) // 1 <= *seed < m
 bool cast_light_intersection_ray(
 	global char* map,
 	global int3* map_dim,
-	 float3 ray_dir,
+	float3 ray_dir,
-	 float3 ray_pos,
+    float3 ray_pos,
 	global float* lights,
 	global int* light_count
 
@@ -147,12 +292,15 @@ __kernel void raycaster(
 	global float* lights,
 	global int* light_count,
 	__write_only image2d_t image,
-	global int* seed_memory,
+	//global int* seed_memory,
 	__read_only image2d_t texture_atlas,
 	global int2 *atlas_dim,
-	global int2 *tile_dim
+	global int2 *tile_dim,
+	global ulong *octree_descriptor_buffer,
+	global uint *octree_attachment_lookup_buffer,
+	global ulong *octree_attachment_buffer,
+	global ulong *settings_buffer
 ){
-
 	//	int global_id = x * y;
 
 	// Get and set the random seed from seed memory
@@ -224,8 +372,24 @@ __kernel void raycaster(
 			return;
 		}
 
+
         // If we hit a voxel
-        voxel_data = map[voxel.x + (*map_dim).x * (voxel.y + (*map_dim).z * (voxel.z))];
+		if (voxel.x < 32 && voxel.y < 32 && voxel.z < 32){
+			if (get_oct_vox(
+				voxel,
+				octree_descriptor_buffer,
+				octree_attachment_lookup_buffer,
+				octree_attachment_buffer,
+				settings_buffer
+				)){
+					voxel_data = 1;
+				} else {
+					voxel_data = 0;
+				}
+		} else {
+			voxel_data = map[voxel.x + (*map_dim).x * (voxel.y + (*map_dim).z * (voxel.z))];
+		}
+
 
 		if (voxel_data != 0) {
 
@@ -323,6 +487,8 @@ __kernel void raycaster(
 
 		 	voxel_color.w = 0.0f;
 
+			// This has a very large performance hit, I assume CL doesn't really
+			// like calling into other functions with lots of state.
 			if (cast_light_intersection_ray(
 				map,
 				map_dim,

src/Application.cpp

@@ -3,7 +3,7 @@
 #include "imgui/imgui-SFML.h"
 
 Application::Application() {
-	srand(time(nullptr));
+	//srand(time(nullptr));
 
 	window = std::make_shared<sf::RenderWindow>(sf::VideoMode(WINDOW_X, WINDOW_Y), "SFML");
 	window->setMouseCursorVisible(false);
@@ -23,7 +23,7 @@ Application::~Application() {
 
 bool Application::init_clcaster() {
 
-	Map _map(32);
+	//Map _map(32);
 	//return 0;
 
 	// Start up the raycaster
@@ -38,6 +38,10 @@ bool Application::init_clcaster() {
 	// Send the data to the GPU
 	raycaster->assign_map(map);
 
+	octree = std::make_shared<Map>(32);
+	raycaster->assign_octree(octree);
+
+
 	// Create a new camera with (starting position, direction)
 	camera = std::make_shared<Camera>(
 		sf::Vector3f(50, 50, 50),
@@ -90,6 +94,8 @@ bool Application::init_events() {
 	window_handler->subscribe_to_publisher(&input_handler, vr::Event::EventType::Closed);
 	window_handler->subscribe_to_publisher(&input_handler, vr::Event::EventType::KeyPressed);
 
+	//camera->subscribe_to_publisher(&input_handler, vr::Event::EventType::JoystickMoved);
+	
 	return true;
 }
 
@@ -234,6 +240,47 @@ bool Application::game_loop() {
 
 		ImGui::End();
 
+		ImGui::Begin("Controller debugger");
+
+		ImDrawList* draw_list = ImGui::GetWindowDrawList();
+		static ImVec4 col = ImVec4(1.0f, 0.0f, 1.0f, 1.0f);
+		const ImVec2 p = ImGui::GetCursorScreenPos();
+		const ImU32 col32 = ImColor(col);
+
+		std::vector<float> axis_values = {
+			 sf::Joystick::getAxisPosition(0, sf::Joystick::Axis::X) / 2,
+			 sf::Joystick::getAxisPosition(0, sf::Joystick::Axis::Y) / 2,
+			 sf::Joystick::getAxisPosition(0, sf::Joystick::Axis::U) / 2,
+			 sf::Joystick::getAxisPosition(0, sf::Joystick::Axis::R) / 2,
+			 sf::Joystick::getAxisPosition(0, sf::Joystick::Axis::Z) / 2,
+			 sf::Joystick::getAxisPosition(0, sf::Joystick::Axis::V) / 2
+		};
+		
+		ImGui::Columns(3, "Axis's"); // 4-ways, with border
+		ImGui::Separator();
+		ImGui::Text("X Y"); ImGui::NextColumn();
+		ImGui::Text("U R"); ImGui::NextColumn();
+		ImGui::Text("Z V"); ImGui::NextColumn();
+		ImGui::Separator();
+
+		for (int i = 0; i < 3; i++) {
+			
+
+			float offset = ImGui::GetColumnWidth(i);
+			
+			draw_list->AddLine(ImVec2(p.x + 0 + offset * i, p.y + 50), ImVec2(p.x + 100 + offset * i, p.y + 50), col32, 1.0);
+			draw_list->AddLine(ImVec2(p.x + 50 + offset * i, p.y + 0), ImVec2(p.x + 50 + offset * i, p.y + 100), col32, 1.0);
+			draw_list->AddCircleFilled(ImVec2(p.x + axis_values[2 * i] + 50 + offset * i, p.y + axis_values[2 * i + 1] + 50), 6, col32, 32);
+			
+			ImGui::Dummy(ImVec2(100, 100));
+			ImGui::NextColumn();
+		}
+
+		
+		ImGui::End();
+
+		//ImGui::ShowTestWindow();
+
 		ImGui::Render();
 
 		// ImGUI messes up somthing in the SFML GL state, so we need a single draw call to right things

src/CLCaster.cpp

@@ -49,7 +49,6 @@ bool CLCaster::init() {
 		Logger::log("Failed to create a OpenCL command queue", Logger::LogLevel::ERROR, __LINE__, __FILE__);
 		return false;
 	}
-	
 
 	if (!compile_kernel("../kernels/ray_caster_kernel.cl", true, "raycaster")) {
 		Logger::log("Failed to compile the kernel", Logger::LogLevel::ERROR, __LINE__, __FILE__);
@@ -75,7 +74,6 @@ bool CLCaster::assign_map(std::shared_ptr<Old_Map> map) {
 
 	if (!create_buffer("map", sizeof(char) * dimensions.x * dimensions.y * dimensions.z, map->get_voxel_data()))
 		return false;
-
 	if (!create_buffer("map_dimensions", sizeof(int) * 3, &dimensions))
 		return false;
 
@@ -88,7 +86,6 @@ bool CLCaster::release_map() {
 
 	if (!release_buffer("map"))
 		return false;
-
 	if (!release_buffer("map_dimensions"))
 		return false;
 
@@ -96,13 +93,45 @@ bool CLCaster::release_map() {
 }
 
 
+bool CLCaster::assign_octree(std::shared_ptr<Map> octree) {
+
+	this->octree = octree;
+
+	if (!create_buffer("octree_descriptor_buffer", octree->octree.buffer_size, &octree->octree.descriptor_buffer))
+		return false;
+	if (!create_buffer("octree_attachment_lookup_buffer", octree->octree.buffer_size, &octree->octree.attachment_lookup))
+		return false;
+	if (!create_buffer("octree_attachment_buffer", octree->octree.buffer_size, &octree->octree.attachment_buffer))
+		return false;
+	if (!create_buffer("settings_buffer", sizeof(uint64_t), &octree->octree.root_index))
+		return false;
+
+	return true;
+}
+
+
+bool CLCaster::release_octree()
+{
+	this->octree = nullptr;
+
+	if (!release_buffer("octree_descriptor_buffer"))
+		return false;
+	if (!release_buffer("octree_attachment_lookup_buffer"))
+		return false;
+	if (!release_buffer("octree_attachment_buffer"))
+		return false;
+	if (!release_buffer("settings_buffer"))
+		return false;
+
+	return true;
+}
+
 bool CLCaster::assign_camera(std::shared_ptr<Camera> camera) {
 	
 	this->camera = camera;
 
 	if (!create_buffer("camera_direction", sizeof(float) * 4, (void*)camera->get_direction_pointer(), CL_MEM_READ_ONLY | CL_MEM_USE_HOST_PTR))
 		return false;
-
 	if (!create_buffer("camera_position", sizeof(float) * 4, (void*)camera->get_position_pointer(), CL_MEM_READ_ONLY | CL_MEM_USE_HOST_PTR))
 		return false;
 
@@ -115,7 +144,6 @@ bool CLCaster::release_camera() {
 
 	if (!release_buffer("camera_direction"))
 		return false;
-
 	if (!release_buffer("camera_position"))
 		return false;
 
@@ -154,10 +182,14 @@ bool CLCaster::validate() {
 	set_kernel_arg("raycaster", 6, "lights");
 	set_kernel_arg("raycaster", 7, "light_count");
 	set_kernel_arg("raycaster", 8, "image");
-	set_kernel_arg("raycaster", 9, "seed");
+	//set_kernel_arg("raycaster", 9, "seed");
-	set_kernel_arg("raycaster", 10, "texture_atlas");
+	set_kernel_arg("raycaster", 9, "texture_atlas");
-	set_kernel_arg("raycaster", 11, "atlas_dim");
+	set_kernel_arg("raycaster", 10, "atlas_dim");
-	set_kernel_arg("raycaster", 12, "tile_dim");
+	set_kernel_arg("raycaster", 11, "tile_dim");
+	set_kernel_arg("raycaster", 12, "octree_descriptor_buffer");
+	set_kernel_arg("raycaster", 13, "octree_attachment_lookup_buffer");
+	set_kernel_arg("raycaster", 14, "octree_attachment_buffer");
+	set_kernel_arg("raycaster", 15, "settings_buffer");
 
 	return true;
 
@@ -173,7 +205,6 @@ bool CLCaster::create_texture_atlas(sf::Texture *t, sf::Vector2i tile_dim) {
 	
 	if (!create_buffer("atlas_dim", sizeof(sf::Vector2u) , &v))
 		return false;
-
 	if (!create_buffer("tile_dim", sizeof(sf::Vector2i), &tile_dim))
 		return false;
 
@@ -283,7 +314,6 @@ bool CLCaster::assign_lights(std::vector<PackedData> *data) {
 
 	if (!create_buffer("lights", packed_size * light_count, lights->data(), CL_MEM_READ_ONLY | CL_MEM_USE_HOST_PTR))
 		return false;
-
 	if (!create_buffer("light_count", 8, &light_count))
 		return false;
 
@@ -1080,18 +1110,6 @@ std::string CLCaster::cl_err_lookup(int error_code) {
 		case CL_PLATFORM_NOT_FOUND_KHR:
 			err_msg = "CL_PLATFORM_NOT_FOUND_KHR";
 			break;
-		case CLCaster::SHARING_NOT_SUPPORTED:
-			err_msg = "SHARING_NOT_SUPPORTED";
-			break;
-		case CLCaster::OPENCL_NOT_SUPPORTED:
-			err_msg = "OPENCL_NOT_SUPPORTED";
-			break;
-		case CLCaster::OPENCL_ERROR:
-			err_msg = "OPENCL_ERROR";
-			break;
-		case CLCaster::ERR:
-			err_msg = "ERROR";
-			break;
 		default:
 			err_msg = "UNKNOWN_ERROR";
 	}

src/Camera.cpp

@@ -167,23 +167,39 @@ void Camera::recieve_event(VrEventPublisher* publisher, std::unique_ptr<vr::Even
 		vr::JoystickMoved *joystick_event = static_cast<vr::JoystickMoved*>(event.get());
 
 		if (joystick_event->axis == sf::Joystick::Axis::X) {
-			movement.x -= joystick_event->position / 5;
+			if (joystick_event->position > 0)
-			//add_relative_impulse(Camera::DIRECTION::FORWARD, joystick_event->position);
+				add_relative_impulse(Camera::DIRECTION::RIGHT, joystick_event->position / 100);
+			else
+				add_relative_impulse(Camera::DIRECTION::LEFT, joystick_event->position / 100);
 		}
 		else if (joystick_event->axis == sf::Joystick::Axis::Y) {
-			movement.y += joystick_event->position / 5;
+			if (joystick_event->position > 0)
-			//add_relative_impulse(Camera::DIRECTION::RIGHT, joystick_event->position);
+				add_relative_impulse(Camera::DIRECTION::FORWARD, joystick_event->position / 100);
+			else
+				add_relative_impulse(Camera::DIRECTION::REARWARD, joystick_event->position / 100);
 		}
-		//else if (joystick_event->axis == sf::Joystick::Axis::Z) {
+		else if (joystick_event->axis == sf::Joystick::Axis::Z) {
-		//	add_relative_impulse(Camera::DIRECTION::DOWN, joystick_event->position);
+			if (joystick_event->position > 0)
-		//}
+				add_relative_impulse(Camera::DIRECTION::DOWN, joystick_event->position / 100);
+			else
+				add_relative_impulse(Camera::DIRECTION::UP, joystick_event->position / 100);
+		}
+		else if (joystick_event->axis == sf::Joystick::Axis::U) {
+			slew_camera(sf::Vector2f(
+				deltas.y / 1200.0f,
+				deltas.x / 1200.0f
+			));
+		}
+
+
+
 	}
 
 }
 
 void Camera::look_at_center() {
 
-	direction = CartToNormalizedSphere(sf::Vector3f(75, 75, 75) - position);
+	direction = CartToNormalizedSphere(sf::Vector3f(60, 60, 35) - position);
 }
 
 sf::Vector2f* Camera::get_direction_pointer() {

src/Input.cpp

@@ -2,6 +2,7 @@
 #include <iostream>
 #include <memory>
 #include "imgui/imgui-SFML.h"
+#include "Logger.h"
 
 
 Input::Input() :
@@ -22,9 +23,8 @@ void Input::consume_sf_events(sf::RenderWindow *window) {
 
 	sf::Event e;
 	while (window->pollEvent(e)) {
-		
-		ImGui::SFML::ProcessEvent(e);
 		sf_event_queue.push_back(e);
+		ImGui::SFML::ProcessEvent(e);
 	}
 
 	transpose_sf_events(sf_event_queue);
@@ -121,6 +121,7 @@ void Input::dispatch_events() {
 
 void Input::transpose_sf_events(std::list<sf::Event> sf_event_queue) {
 	
+	
 	for (auto sf_event: sf_event_queue) {
 
 		switch(sf_event.type) {

src/LightHandle.cpp

@@ -70,16 +70,16 @@ void LightHandle::recieve_event(VrEventPublisher* publisher, std::unique_ptr<vr:
 			vr::JoystickMoved *joystick_event = static_cast<vr::JoystickMoved*>(event.get());
 
 			if (joystick_event->axis == sf::Joystick::Axis::X) {
-				movement.x = -joystick_event->position / 5;
+				movement.x = -joystick_event->position / 100;
 				//add_relative_impulse(Camera::DIRECTION::FORWARD, joystick_event->position);
 			}
 			else if (joystick_event->axis == sf::Joystick::Axis::Y) {
-				movement.y = joystick_event->position / 5;
+				movement.y = joystick_event->position / 100;
 				//add_relative_impulse(Camera::DIRECTION::RIGHT, joystick_event->position);
 			}
-			//else if (joystick_event->axis == sf::Joystick::Axis::Z) {
+			else if (joystick_event->axis == sf::Joystick::Axis::Z) {
-			//	add_relative_impulse(Camera::DIRECTION::DOWN, joystick_event->position);
+				movement.y = joystick_event->position / 100;
-			//}
+			}
 		}
 }
 

src/map/Map.cpp

@@ -12,7 +12,7 @@ Map::Map(uint32_t dimensions) {
 
 	// randomly set the voxel data for testing
 	for (uint64_t i = 0; i < dimensions * dimensions * dimensions; i++) {
-		if (rand() % 25 < 2)
+		if (i % 2 == 0)
 			voxel_data[i] = 1;
 		else
 			voxel_data[i] = 0;