Debugging of a mouse polling issue, refactored the graph thing and finished tweaking it, added a few profiles to the graph, so pretty

CMakeLists.txt

@@ -42,6 +42,9 @@ endif()
 
 # beignet only supports EGL and not GLX for the cl_khr_gl_sharing extension
 if (UNIX)
+	# Find X11
+	find_package(X11 REQUIRED)
+	message(STATUS "XSS found: ${X11_FOUND}")
 #    find_package(EGL REQUIRED)
 #message(STATUS "EGL found: ${EGL_FOUND}")
 endif (UNIX)
@@ -51,6 +54,7 @@ include_directories(${SFML_INCLUDE_DIR})
 include_directories(${OpenCL_INCLUDE_DIRS})
 include_directories(${OpenGL_INCLUDE_DIRS})
 if (UNIX)
+	include_directories(${X11_INCLUDE_DIR})
     #    include_directories(${EGL_INCLUDE_DIRS})
 endif()
 include_directories(include)
@@ -62,7 +66,7 @@ file(GLOB_RECURSE KERNELS "kernels/*.cl")
 file(GLOB_RECURSE SHADERS "shaders/*.vert" "shaders/*.tesc" "shaders/*.tese" "shaders/*.geom" "shaders/*.frag" "shaders/*.comp")
 
 
-add_executable(${PNAME} ${SOURCES} ${HEADERS} ${KERNELS} ${SHADERS} include/imgui/imgui-multilines.hpp)
+add_executable(${PNAME} ${SOURCES} ${HEADERS} ${KERNELS} ${SHADERS})
 
 # Follow the sub directory structure to add sub-filters in VS
 # Gotta do it one by one unfortunately
@@ -133,6 +137,7 @@ target_link_libraries (${PNAME} ${OpenCL_LIBRARY})
 target_link_libraries (${PNAME} ${OPENGL_LIBRARIES})
 
 if (UNIX)
+	target_link_libraries (${PNAME} ${X11_LIBRARIES})
     #    target_link_libraries (${PNAME} ${EGL_LIBRARIES})
 endif()
 

include/Application.h

@@ -30,6 +30,7 @@
 #include "LightHandle.h"
 #include "map/Map.h"
 #include "util.hpp"
+#include "GraphTimer.h"
 
 // Srsly people who macro error codes are the devil
 #undef ERROR
@@ -77,7 +78,7 @@ private:
 	// The sfml imgui wrapper I'm using requires Update be called with sf::Time
 	// Might modify it to also accept seconds
 	sf::Clock sf_delta_clock;
-	fps_counter fps;
+	GraphTimer fps;
 
 	// vars for us to use with ImGUI
 	float light_color[4] = { 0, 0, 0, 0 };

include/Camera.h

@@ -2,10 +2,13 @@
 #include <cmath>
 #include <SFML/System/Vector3.hpp>
 #include <SFML/System/Vector2.hpp>
+
 #include "Gui.h"
 #include "Pub_Sub.h"
+#include "imgui/imgui.h"
+#include "imgui/imgui-SFML.h"
 #include "util.hpp"
-
+#include <X11/Xlib.h>
 
 
 /**

include/GraphTimer.h

@@ -0,0 +1,34 @@
+#pragma once
+#include <chrono>
+#include <imgui/imgui.h>
+#include <imgui/imgui-multilines.hpp>
+#include <vector>
+#include <string>
+
+struct GraphTimer {
+public:
+    GraphTimer();
+
+    ~GraphTimer();
+
+    unsigned int create_line(std::string label);
+    unsigned int delete_line(unsigned int idx);
+
+    void start(unsigned int idx);
+    void stop(unsigned int idx);
+    void frame(unsigned int idx, double delta_time);
+
+    void draw();
+
+private:
+
+    static std::chrono::time_point<std::chrono::system_clock> start_time;
+    static bool started;
+
+    const unsigned int FPS_ARRAY_LENGTH = 1000;
+    std::vector<std::vector<float>> fps_vectors;
+    std::vector<double> checkpoints;
+    std::vector<int> counters;
+    std::vector<std::string> labels;
+
+};

include/Input.h

@@ -9,6 +9,7 @@
 #include "LightHandle.h"
 #include "Logger.h"
 #include "Pub_Sub.h"
+#include <imgui/imgui.h>
 #include <imgui/imgui-SFML.h>
 /**
  *

include/imgui/imgui-multilines.hpp

@@ -1,10 +1,9 @@
-
 #pragma once
+#include <string>
+#include <vector>
 #include "imgui.h"
 #include "imgui_internal.h"
 
-
-
 namespace ImGui {
 
     static ImU32 InvertColorU32(ImU32 in)
@@ -24,7 +23,7 @@ namespace ImGui {
     }
 
     static void PlotMultiLines(
-        const std::vector<std::vector<int>> &data,
+        const std::vector<std::vector<float>> &data,
         std::string title,
         const std::vector<std::string> &labels,
         const std::vector<ImColor> &colors,

include/util.hpp

@@ -1,6 +1,7 @@
 #pragma once
 #include <algorithm>
 #include <bitset>
+
 #include <cmath>
 #include <fstream>
 #include <iostream>
@@ -10,109 +11,12 @@
 #include <SFML/System/Vector3.hpp>
 #include <SFML/System/Vector2.hpp>
 #include <SFML/Graphics/Texture.hpp>
-#include <imgui/imgui.h>
+
-#include <imgui/imgui-multilines.hpp>
 #include "Vector4.hpp"
 
 const double PI = 3.141592653589793238463;
 const float  PI_F = 3.14159265358979f;
 
-struct fps_counter {
-public:
-	fps_counter() {
-
-    };
-
-    ~fps_counter() {
-        for (auto i: fps_vectors){
-            delete[] i;
-        }
-    };
-
-	void frame(double delta_time) {
-
-		// Apply 100 units of smoothing
-		if (frame_count == 100) {
-			frame_count = 0;
-			fps_average = 0;
-		}
-		frame_count++;
-		fps_average += (delta_time - fps_average) / frame_count;
-        instant_fps = delta_time;
-	}
-
-	static float edit(const void* data, int idx){
-		*(int*)data = idx;
-		//return *(int*)(data+sizeof(int)*idx);
-	};
-	void draw() {
-
-		if (arr_pos == 1000)
-			arr_pos = 0;
-
-		fps_array[arr_pos] = static_cast<float>(1.0 / instant_fps);
-		arr_pos++;
-
-		ImGui::Begin("Performance");
-		//ImVec2 wh = ImGui::GetContentRegionAvail();
-		ImVec2 wh(100, 200);
-
-		int a[3] = {1, 2, 7};
-		int b[3] = {5, 3, 1};
-		int c[3] = {8, 1, 4};
-		const void* to_data[3] = {&a, &b, &c};
-		const char* to_names[3] = {"a", "b", "z"};
-		ImGuiPlotType plottype = ImGuiPlotType_Lines;
-		ImColor color = ImColor(255, 255, 255);
-		//ImGui::PlotMultiLines(
-		//		"label", 3, to_names, &color, &edit,
-		//			to_data, 3, 0.0f, 10.0f, ImVec2(300, 300));
-
-        std::vector<std::vector<int>> data = {
-                {1, 2, 3, 4},
-                {9, 3, 7, 1},
-                {8, 3, 6, 2}
-        };
-
-        std::string title = "HELLO";
-
-        std::vector<std::string> labels = {
-                "ONE",
-                "TWO",
-                "THREE"
-        };
-
-        std::vector<ImColor> colors = {
-                ImColor(255, 255, 255),
-                ImColor(  0, 255,   0),
-                ImColor(255,   0,   0),
-        };
-
-        sf::Vector2f graph_size(300, 300);
-
-        ImGui::PlotMultiLines(data, title, labels, colors, 10, 0, graph_size);
-
-		ImGui::PlotLines("FPS", fps_array, 1000, 0,
-						 std::to_string(1.0 / fps_average).c_str(),
-						 0.0f, 150.0f, wh);
-		ImGui::End();
-	}
-
-private:
-
-    const unsigned int FPS_ARRAY_LENGTH = 1000;
-    std::vector<float*> fps_vectors;
-
-
-	float fps_array[1000]{60};
-    int arr_pos = 0;
-
-	double instant_fps = 0;
-    double frame_count = 0;
-	double fps_average = 0;
-
-};
-
 inline sf::Vector3f SphereToCart(sf::Vector2f i) {
 
 	auto r = sf::Vector3f(

src/Application.cpp

@@ -14,6 +14,8 @@ Application::Application() {
 	ImGui::SFML::Init(*window);
 	window->resetGLStates();
 
+
+
 }
 
 Application::~Application() {
@@ -108,12 +110,18 @@ bool Application::init_events() {
 
 bool Application::game_loop() {
 
+    int fps_idx = fps.create_line("FPS");
+    int compute_fps_idx = fps.create_line("Compute");
+    int event_fps_idx = fps.create_line("Event");
+
 	while (true) {
 
 		// Have the input handler empty the event stack, generate events for held keys, and then dispatch the events to listeners
+        fps.start(event_fps_idx);
         input_handler.consume_sf_events(window.get());
         input_handler.handle_held_keys();
 		input_handler.dispatch_events();
+        fps.stop(event_fps_idx);
 
 		if (!window->isOpen())
 			break;
@@ -142,16 +150,18 @@ bool Application::game_loop() {
 			light_handle->update(delta_time);
 
 			// Run the raycast
+            fps.start(compute_fps_idx);
 			if (!raycaster->compute()) {
 				abort();
 			};
+            fps.stop(compute_fps_idx);
 		}
 
 		// Let the raycaster draw it screen buffer
 		raycaster->draw(window.get());
 
 		// Give the frame counter the frame time and draw the average frame time
-		fps.frame(delta_time);
+		fps.frame(fps_idx, delta_time);
 		fps.draw();
 
 		Gui::do_render();

src/Camera.cpp

@@ -1,7 +1,9 @@
 #include "Camera.h"
 
 
-Camera::Camera() {}
+
+Camera::Camera() {
+}
 
 
 Camera::Camera(sf::Vector3f position, sf::Vector2f direction, sf::RenderWindow* window) :
@@ -194,6 +196,8 @@ void Camera::event_handler(VrEventPublisher *publisher, std::unique_ptr<vr::Even
 			deltas = fixed - sf::Vector2i(mouse_event->x, mouse_event->y);
 			if (deltas != sf::Vector2i(0, 0) && mouse_enabled == true) {
 
+                // TODO: Set Position causes some weird frame-limiting behaviour
+                // TODO: consider using some other mouse interaction
                 sf::Mouse::setPosition(fixed, *window);
                 slew_camera(sf::Vector2f(
                         deltas.y / 1200.0f,

src/GraphTimer.cpp

@@ -0,0 +1,88 @@
+#include "GraphTimer.h"
+
+GraphTimer::GraphTimer()  {
+    if (!started) {
+        start_time = std::chrono::system_clock::now();
+        started = true;
+    }
+}
+
+GraphTimer::~GraphTimer() {
+
+}
+
+unsigned int GraphTimer::create_line(std::string label) {
+    fps_vectors.push_back(std::vector<float>(FPS_ARRAY_LENGTH, 0));
+    counters.push_back(0);
+    checkpoints.push_back(0);
+    labels.push_back(label);
+    return fps_vectors.size()-1;
+}
+
+unsigned int GraphTimer::delete_line(unsigned int idx){
+    fps_vectors.erase(fps_vectors.begin() + idx);
+}
+
+void GraphTimer::start(unsigned int idx){
+
+    std::chrono::time_point<std::chrono::system_clock> now = std::chrono::system_clock::now();
+    std::chrono::duration<double> elapsed_time = now - start_time;
+
+    checkpoints.at(idx) = elapsed_time.count();
+}
+
+void GraphTimer::stop(unsigned int idx){
+
+    std::chrono::time_point<std::chrono::system_clock> now = std::chrono::system_clock::now();
+    std::chrono::duration<double> elapsed_time = now - start_time;
+
+    fps_vectors.at(idx).at(counters.at(idx)) = elapsed_time.count() - checkpoints.at(idx);
+    fps_vectors.at(idx).at(counters.at(idx)) = 1.0f / fps_vectors.at(idx).at(counters.at(idx));
+    if (++counters.at(idx) >= FPS_ARRAY_LENGTH - 1)
+        counters.at(idx) = 0;
+}
+
+void GraphTimer::frame(unsigned int idx, double delta_time) {
+    fps_vectors.at(idx).at(counters.at(idx)) =  1.0 / delta_time;
+    if (++counters.at(idx) >= FPS_ARRAY_LENGTH - 1)
+        counters.at(idx) = 0;
+}
+
+void GraphTimer::draw() {
+
+    ImGui::Begin("Performance");
+
+    std::vector<std::vector<int>> data = {
+            {1, 2, 3, 4},
+            {9, 3, 7, 1},
+            {8, 3, 6, 2}
+    };
+
+    std::string title = std::to_string(fps_vectors.at(0).at(counters.at(0)));
+
+
+    std::vector<ImColor> colors = {
+            ImColor(255, 255, 255),
+            ImColor(0, 255, 0),
+            ImColor(255, 0, 0),
+    };
+
+    ImVec2 wh = ImGui::GetContentRegionAvail();
+    wh.x -= wh.x * 0.15;
+    sf::Vector2f graph_size(wh.x, wh.y);
+
+    ImGui::PlotMultiLines(fps_vectors, title, labels, colors, 200, 0,
+                          graph_size);
+
+
+    //ImVec2 wh(100, 200);
+//		ImGui::PlotLines("FPS", fps_array, 1000, 0,
+//						 std::to_string(1.0 / fps_average).c_str(),
+//						 0.0f, 150.0f, wh);
+
+    ImGui::End();
+
+}
+
+std::chrono::time_point<std::chrono::system_clock> GraphTimer::start_time;
+bool GraphTimer::started;

src/imgui/imgui_demo.cpp

@@ -22,7 +22,7 @@
 #define _CRT_SECURE_NO_WARNINGS
 #endif
 
-#include "imgui.h"
+#include "imgui/imgui.h"
 #include <ctype.h>          // toupper, isprint
 #include <math.h>           // sqrtf, powf, cosf, sinf, floorf, ceilf
 #include <stdio.h>          // vsnprintf, sscanf, printf

src/map/Octree.cpp

@@ -1,3 +1,4 @@
+#include <cstring>
 #include "map/Octree.h"
 
 Octree::Octree() {