Created
March 18, 2024 21:44
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Odin GLFW 3.4 Hello World
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| package main | |
| import "core:log" | |
| import "core:mem" | |
| import "core:runtime" | |
| import "vendor:glfw" | |
| import gl "vendor:OpenGL" | |
| main :: proc() { | |
| context.logger = log.create_console_logger() | |
| log_alloc: log.Log_Allocator | |
| log.log_allocator_init(&log_alloc, .Debug, .Human, context.allocator) | |
| context.allocator = log.log_allocator(&log_alloc) | |
| ctx := context | |
| allocator := glfw.Allocator{ | |
| allocate = proc "c" (size: uint, user: rawptr) -> rawptr { | |
| context = (^runtime.Context)(user)^ | |
| ptr, err := mem.alloc(int(size)) | |
| assert(err == nil) | |
| return ptr | |
| }, | |
| reallocate = proc "c" (block: rawptr, size: uint, user: rawptr) -> rawptr { | |
| context = (^runtime.Context)(user)^ | |
| ptr, err := mem.resize(block, max(int), int(size)) | |
| assert(err == nil) | |
| return ptr | |
| }, | |
| deallocate = proc "c" (block: rawptr, user: rawptr) { | |
| context = (^runtime.Context)(user)^ | |
| err := mem.free(block) | |
| assert(err == nil) | |
| }, | |
| user = &ctx, | |
| } | |
| glfw.InitAllocator(allocator) | |
| assert(bool(glfw.Init())) | |
| defer glfw.Terminate() | |
| window := glfw.CreateWindow(640, 480, "My Title", nil, nil) | |
| assert(window != nil) | |
| defer glfw.DestroyWindow(window) | |
| glfw.MakeContextCurrent(window) | |
| gl.load_up_to(2, 0, glfw.gl_set_proc_address) | |
| for !glfw.WindowShouldClose(window) { | |
| width, height := glfw.GetFramebufferSize(window) | |
| gl.Viewport(0, 0, width, height) | |
| gl.Clear(gl.COLOR_BUFFER_BIT) | |
| glfw.SwapBuffers(window) | |
| glfw.PollEvents() | |
| } | |
| } |
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