first commit

.clang-format

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+BasedOnStyle: WebKit
+IndentWidth: 4
+TabWidth: 4
+UseTab: Never
+AlignConsecutiveDeclarations: false
+AlignConsecutiveAssignments: false
+AlignTrailingComments: true
+ColumnLimit: 105
+BreakBeforeBraces: Attach
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: false
+AllowShortLambdasOnASingleLine: false
+PointerAlignment: Left
+SpaceBeforeParens: Never
+SpacesInParentheses: false
+SpacesInConditionalStatement: false
+SpacesInContainerLiterals: false
+SpaceAfterCStyleCast: false
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeSquareBrackets: false
+SpacesBeforeTrailingComments: 2
+PenaltyBreakAssignment: 1000
+NamespaceIndentation: All
+

.gitignore

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+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+.cache
+compile_commands.json

src/main.c

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+#include <SDL2/SDL.h>
+#include <glad/glad.h>
+#include <stdbool.h>
+#include <stdio.h>
+
+int main(int argc, char** argv) {
+    if(SDL_Init(SDL_INIT_VIDEO) != 0) {
+        fprintf(stderr, "Failed to initialize SDL: %s\n", SDL_GetError());
+        return -1;
+    }
+
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 6);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
+
+    SDL_Window* window = SDL_CreateWindow(
+        "brimstone", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 800, 600, SDL_WINDOW_OPENGL);
+    if(!window) {
+        fprintf(stderr, "Failed to create SDL window: %s\n", SDL_GetError());
+        SDL_Quit();
+        return -1;
+    }
+
+    SDL_GLContext glContext = SDL_GL_CreateContext(window);
+    if(!glContext) {
+        fprintf(stderr, "Failed to create OpenGL context: %s\n", SDL_GetError());
+        SDL_DestroyWindow(window);
+        SDL_Quit();
+        return -1;
+    }
+
+    if(!gladLoadGLLoader((GLADloadproc)SDL_GL_GetProcAddress)) {
+        fprintf(stderr, "Failed to initialize Glad\n");
+        SDL_GL_DeleteContext(glContext);
+        SDL_DestroyWindow(window);
+        SDL_Quit();
+        return -1;
+    }
+
+    float vertices[] = { -0.5f, 0.5f, 0.0f, -0.5f, -0.5f, 0.0f, 0.5f, -0.5f, 0.0f };
+
+    uint32_t vbo;
+    glCreateBuffers(1, &vbo);
+    glNamedBufferStorage(vbo, sizeof(vertices), vertices, GL_DYNAMIC_STORAGE_BIT);
+
+    uint32_t vao;
+    glCreateVertexArrays(1, &vao);
+
+    glVertexArrayVertexBuffer(vao, 0, vbo, 0, sizeof(float) * 3);
+
+    glEnableVertexArrayAttrib(vao, 0);
+    glVertexArrayAttribFormat(vao, 0, 3, GL_FLOAT, GL_FALSE, 0);
+    glVertexArrayAttribBinding(vao, 0, 0);
+
+    printf("Vendor:   %s\n", glGetString(GL_VENDOR));
+    printf("Renderer: %s\n", glGetString(GL_RENDERER));
+    printf("Version:  %s\n", glGetString(GL_VERSION));
+
+    bool running = true;
+    SDL_Event event;
+    while(running) {
+        while(SDL_PollEvent(&event)) {
+            if(event.type == SDL_QUIT) {
+                running = false;
+            }
+        }
+
+        int w, h;
+        SDL_GetWindowSize(window, &w, &h);
+        glViewport(0, 0, w, h);
+
+        glClearColor(0.0f, 0.5f, 1.0f, 1.0f);
+        glClear(GL_COLOR_BUFFER_BIT);
+
+        SDL_GL_SwapWindow(window);
+    }
+
+    SDL_GL_DeleteContext(glContext);
+    SDL_DestroyWindow(window);
+    SDL_Quit();
+
+    return 0;
+}
+

xmake.lua

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+add_rules("mode.debug", "mode.release")
+
+add_requires("libsdl", { configs = { static = true } })
+add_requires("glad", { configs = { static = true, api = "gl=4.6", profile = "core" } })
+
+target("brimstone")
+    set_kind("binary")
+    add_files("src/*.c")
+    add_packages("libsdl", "glad")