From a8b366277a465bf4681cfdd5f8f33546d6985ec2 Mon Sep 17 00:00:00 2001
From: Joseph Roy <joseph@roysathome.net>
Date: Mon, 15 Apr 2024 23:26:53 +0100
Subject: [PATCH] first commit

---
 .gitignore            |  1 +
 .vscode/settings.json | 48 +++++++++++++++++++++++++++++++
 Makefile              | 19 +++++++++++++
 main.cpp              | 66 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 134 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .vscode/settings.json
 create mode 100644 Makefile
 create mode 100644 main.cpp

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e660fd9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+bin/
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..7ce682d
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,48 @@
+{
+    "makefile.launchConfigurations": [
+        {
+            "cwd": "/home/joseph/Source/OpenGL",
+            "binaryPath": "/home/joseph/Source/OpenGL/OpenGLTest",
+            "binaryArgs": []
+        },
+        {
+            "cwd": "/home/joseph/Source/OpenGL",
+            "binaryPath": "/home/joseph/Source/OpenGL/OpenGLTest.out",
+            "binaryArgs": []
+        }
+    ],
+    "files.associations": {
+        "bit": "cpp",
+        "*.tcc": "cpp",
+        "cctype": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "compare": "cpp",
+        "concepts": "cpp",
+        "cstddef": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "exception": "cpp",
+        "initializer_list": "cpp",
+        "iosfwd": "cpp",
+        "iostream": "cpp",
+        "istream": "cpp",
+        "limits": "cpp",
+        "new": "cpp",
+        "numbers": "cpp",
+        "ostream": "cpp",
+        "stdexcept": "cpp",
+        "streambuf": "cpp",
+        "string": "cpp",
+        "string_view": "cpp",
+        "system_error": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "typeinfo": "cpp"
+    },
+    "editor.insertSpaces": false
+}
\ No newline at end of file
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..4b4c482
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,19 @@
+CXX = g++
+CFLAGS = -std=c++17
+LDFLAGS = -lglfw -lGLEW -lGL
+
+TARGET = bin/OpenGLTest
+
+$(TARGET): main.cpp | bin
+	$(CXX) $(CFLAGS) -o $@ $^ $(LDFLAGS)
+
+.PHONY: test clean
+
+test: $(TARGET)
+	./$(TARGET)
+
+clean:
+	rm -f $(TARGET)
+
+bin:
+	mkdir -p bin
diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..d2de8d7
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,66 @@
+#include <GLES3/gl3.h> // Include the OpenGL ES header
+#include <GLFW/glfw3.h>
+
+#define GLM_FORCE_RADIANS
+#define GLM_FORCE_DEPTH_ZERO_TO_ONE
+
+#include <glm/vec4.hpp>
+#include <glm/mat4x4.hpp>
+
+#include <iostream>
+
+void framebuffer_size_callback(GLFWwindow* window, int width, int height);  
+
+int main()
+{
+    if (!glfwInit())
+    {
+        std::cerr << "Failed to initialize GLFW." << std::endl;
+        return -1;
+    }
+
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
+#ifdef __APPLE__
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+#endif
+
+    GLFWwindow* window = glfwCreateWindow(800, 600, "OpenGL window", nullptr, nullptr);
+    if (window == NULL)
+    {
+        const char* description;
+        int errorCode = glfwGetError(&description);
+        std::cout << "Failed to create GLFW window. Error code: " << errorCode << ", Description: " << description << std::endl;
+        glfwTerminate();
+        return -1;
+    }
+
+    glfwMakeContextCurrent(window);
+
+    glViewport(0, 0, 800, 600);
+    glfwSetFramebufferSizeCallback(window, framebuffer_size_callback); 
+    
+    glm::mat4 matrix;
+    glm::vec4 vec;
+
+    auto test = vec * matrix;
+
+    while (!glfwWindowShouldClose(window))
+    {
+        glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
+        glClear(GL_COLOR_BUFFER_BIT);
+
+        glfwPollEvents();
+        glfwSwapBuffers(window);
+    }
+    
+    glfwDestroyWindow(window);
+    glfwTerminate();
+
+    return 0;
+}
+
+void framebuffer_size_callback(GLFWwindow* window, int width, int height)
+{
+    glViewport(0, 0, width, height);
+}