compile for wayland

README.md

@@ -0,0 +1,11 @@
+# GLSL-Basics
+
+This projects contains a loader for GLSL Shaders. It can be used to generate
+fancy images and videos from your shader files.
+
+## Requirements
+For Fedora Systems, you can the dependencies like this:
+```bash
+sudo dnf install wayland-devel libxkbcommon-devel wayland-protocols-devel extra-cmake-modules \
+    libXrandr-devel libXinerama-devel libXcursor-devel libXi-devel
+```

build.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 set -e
-cmake .
+flags="-DGLFW_USE_WAYLAND=ON" # compile glfw for wayland instead of X11
+cmake $flags .
 cmake --build .
 ./bin/loader/loader

data/shader/vert/basic.glsl

@@ -0,0 +1,7 @@
+#version 330 core
+layout (location = 0) in vec3 aPos;
+
+void main()
+{
+    gl_Position = vec4(aPos.x, aPos.y, aPos.z, 1.0);
+}

src/main.cpp

@@ -2,6 +2,7 @@
 #include <GLFW/glfw3.h>
 
 #include <iostream>
+#include <unistd.h>
 
 void framebuffer_size_callback(GLFWwindow *window, int width, int height);
 void processInput(GLFWwindow *window);
@@ -15,23 +16,31 @@ int main(int argc, char **argv) {
 
   GLFWwindow *window = glfwCreateWindow(800, 600, "Shader Loader", NULL, NULL);
   if (window == NULL) {
-    std::cout << "Failed to create GLFW window" << std::endl;
+    printf("Failed to create GLFW window\n");
     glfwTerminate();
     return -1;
   }
   glfwMakeContextCurrent(window);
 
   if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
-    std::cout << "Failed to initialize GLAD" << std::endl;
+    printf("Failed to initialize GLAD\n");
     return -1;
   }
 
   glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
 
+  float vertices[] = {-0.5f, -0.5f, 0.0f, 0.5f, -0.5f, 0.0f, 0.0f, 0.5f, 0.0f};
+
+  unsigned int VBO;
+
+  glGenBuffers(1, &VBO);
+  glBindBuffer(GL_ARRAY_BUFFER, VBO);
+  glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
+
   while (!glfwWindowShouldClose(window)) {
     processInput(window);
 
-    glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
+    glClearColor(0.8f, 0.4f, 0.1f, 1.0f);
     glClear(GL_COLOR_BUFFER_BIT);
 
     glfwSwapBuffers(window);