Basic rectangle drawing

.gitmodules

@@ -5,5 +5,5 @@
 	path = libs/glm
 	url = https://github.com/nigelbarink/glm.git
 [submodule "spdlog"]
-	path = libs\\spdlog
+	path = libs/spdlog
 	url = https://github.com/nigelbarink/spdlog.git

MyGraphicsEngine/Shader.cpp

@@ -38,6 +38,19 @@ Shader::Shader(const std::string vertexShaderPath, const std::string fragmentSha
         return;
     }
 
+    id = glCreateProgram();
+
+    glAttachShader(id, vertId);
+    glAttachShader(id, fragId);
+    glLinkProgram(id);
+
+
+    int success;
+    glGetProgramiv(id, GL_LINK_STATUS, &success);
+    if(!success) {
+        glGetProgramInfoLog(id, 512, NULL, infoLog);
+        printf("ERROR::SHADER_PROGRAM::LINKING_FAILED\n %s", infoLog);
+    }
 
 
     delete[] vertexCode;
@@ -90,5 +103,5 @@ char* Shader::readFile (const char* filePath){
 
 void Shader::Use()
 {
-  //  glUseProgam(id);
+    glUseProgram(id);
 }

MyGraphicsEngine/include/MyGraphicsEngine/Window.h

@@ -1,4 +1,5 @@
 #pragma once 
+#include <glad/glad.h>
 #include <GLFW/glfw3.h>
 
 
@@ -9,7 +10,7 @@ class BarinkWindow{
         bool VulkanSupported;
         int Width, Height;
 
-        bool InitGLFW();
+        static bool InitGLFW();
 
 
     public:

MyGraphicsEngine/window.cpp

@@ -8,12 +8,15 @@ bool BarinkWindow::InitGLFW(){
 		spdlog::error("Failed to initialise GLFW!");
 		return false;
 	}
+	
 	return true;
 }
 
 BarinkWindow::BarinkWindow(const int width, const int height) :
 Width(width), Height(height), FullScreen(false){
-	InitGLFW();
+	if (InitGLFW()==false) {
+		exit(-1);
+	}
 
 	window = glfwCreateWindow(Width, Height, "BarinkEngine", NULL, NULL);
 
@@ -25,6 +28,10 @@ Width(width), Height(height), FullScreen(false){
 	}
 
 	glfwMakeContextCurrent(window);
+	if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
+		printf("Failed to initialize GLAD!\n");
+		exit(-1);
+	}
 
 	VulkanSupported = glfwVulkanSupported();
 
@@ -33,6 +40,9 @@ Width(width), Height(height), FullScreen(false){
 
 
 
+	glClearColor(0.2f, 0.2f, 0.2f, 1.0f);
+
+
 
 }
 

SandboxApplication/Sandbox.cpp

@@ -10,36 +10,74 @@ extern "C"
     #include "lualib.h"
 }
 
+float vertices[] = {
+     0.5f, 0.5f, 0.0f, // top, right
+      0.5f, -0.5f, 0.0f, // bottom right
+      -0.5f, -0.5f, 0.0f, // bottom left
+      -0.5f, 0.5f, 0.0f // top left
+};
 
+unsigned int indices[] = {
+    0,1,3,
+    1,2,3
+};
 
 int main (int argc, char *argv[] ){
 
-
     BarinkWindow GameWindow(800, 600);
    
-    
-    if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)){
-        printf("Failed to initialize GLAD!\n");
-        return -1;
-    }
     std::string vertexShaderSource = "build/SandboxApplication/Debug/test.vs";
     std::string fragmentShaderSource = "build/SandboxApplication/Debug/test.fs";
-    //Shader shader (vertexShaderSource, fragmentShaderSource);
+    Shader shader (vertexShaderSource, fragmentShaderSource);
+
+    spdlog::info("Working directory: {}", argv[0]);
 
     lua_State* L = luaL_newstate();
     luaL_openlibs(L);
     luaL_dostring(L, "print('BarinkEngine')");
-    luaL_dofile(L,"script.lua");
+    luaL_dofile(L,"./script.lua");
+
+    unsigned int VBO, VAO, EBO;
+
+    glGenVertexArrays(1, &VAO);
+    glGenBuffers(1, &VBO);
+    glGenBuffers(1, &EBO);
+
+
+    glBindVertexArray(VAO);
+
+    glBindBuffer(GL_ARRAY_BUFFER, VBO);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
+
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
+    glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
+
+    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void*)0);
+    glEnableVertexAttribArray(0);
+
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+
+    glBindVertexArray(0);
 
-    glClearColor(0.2f, 0.2f, 0.2f, 1.0f);
 
 
 
     while (!GameWindow.WindowShouldClose()) {
         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT) ;
 
+        shader.Use();
+        glBindVertexArray(VAO);
+        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
+        glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
+        glBindVertexArray(0);
 
         GameWindow.Poll();
     }
+
+
+    glDeleteVertexArrays(1, &VAO);
+    glDeleteBuffers(1, &EBO);
+    
+
 }
 

SandboxApplication/script.lua

@@ -0,0 +1 @@
+print("Hello world!")

libs/glm

@@ -1 +1 @@
-Subproject commit 72a01d3432204128442b2198d3f595bb84f011bb
+Subproject commit cc98465e3508535ba8c7f6208df934c156a018dc

premake5.lua

@@ -14,26 +14,21 @@ workspace "BarinkEngine"
 		includedirs {
 			"./libs/glad/include",
 			"./MyGraphicsEngine/include",
-			"./libs/lua-5.4.4/lua"
+			"./libs/spdlog/include",
+			"./libs/lua/include",
+			"./libs/glfw/include",
 		}
 
-
-
 		libdirs{
-			"./libs/spdlog-1.9.1/build",
-			"./libs/lua-5.4.4/lua"
+			"./libs/spdlog/_builds/Release",
+			"./libs/glfw/lib-vc2022",
+			"./libs/lua"
 		}	
 
 		links{
 			"liblua",
 			"spdlog",
 			"glfw3",
-			"X11",
-			"GL",
-			"GLU",
-			"pthread",
-			"dl",
-			"m",
 			"MyGraphicsEngine"
 		}
 
@@ -55,27 +50,22 @@ workspace "BarinkEngine"
 		
 		includedirs {
 			"./libs/glad/include",
-			"./libs/glfw-3.3.4/include",
-			"./libs/glew-2.2.0/include",
-			"./libs/spdlog-1.9.1/include",
+			"./libs/glfw/include",
+			"./libs/glew/include",
+			"./libs/spdlog/include",
 			"./libs/glm/glm",
 			"./MyGraphicsEngine/include"
 			}
 		
 		
 		libdirs{
-			"./libs/spdlog-1.9.1/build"
+			"./libs/spdlog/_builds/Release",
+			"./libs/glfw/lib-vc2022"
 		}	
 
 		links {
-			"libspdlog",
-			"glfw3",
-			"X11",
-			"GL",
-			"GLU",
-			"pthread",
-			"dl",
-			"m"
+			"spdlog",
+			"glfw3"
 		}
 
 		files {
@@ -85,7 +75,7 @@ workspace "BarinkEngine"
 		}
 
 		filter "configurations:Debug"
-			defines {"DEBUG"}
+			defines {"NDEBUG"}
 			symbols "On"
 
 		filter "configurations:Release"