commit e7a3d1c064847cd0905031f6a3da5c44be8955aa
Author: meishibiezb <750783119@qq.com>
Date:   Tue Mar 3 01:37:15 2026 +0800

    init

diff --git a/.gitignore b/.gitignore
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..b121ec6
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "learn_gl"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+gl = "0.14.0"
+glfw = "0.61.0"
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..7c6863a
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1 @@
+pub mod render_timer;
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..44a97e7
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,143 @@
+use std::{
+    ptr::{null, null_mut},
+    str::from_utf8,
+};
+
+use glfw::{Action, Context, Key};
+use learn_gl::render_timer::RenderTimer;
+fn main() {
+    let default_width = 500;
+    let default_height = 500;
+
+    let mut glfw = glfw::init(glfw::fail_on_errors).expect("msg");
+    let (mut window, events) = glfw
+        .create_window(
+            default_width,
+            default_height,
+            "learn_gl",
+            glfw::WindowMode::Windowed,
+        )
+        .expect("msg");
+
+    window.set_key_polling(true);
+    window.make_current();
+
+    gl::load_with(|s| glfw.get_proc_address_raw(s).unwrap() as *const _);
+    // gl::load_with(|s| window.get_proc_address(s).unwrap() as *const _);
+
+    unsafe { gl::Viewport(0, 0, default_width as _, default_height as _) };
+    window.set_framebuffer_size_callback(|_windows, width, height| {
+        unsafe { gl::Viewport(0, 0, width as _, height as _) };
+    });
+
+    let mut render_timer = RenderTimer::new();
+
+    // 编译着色器
+    let vs_src = include_bytes!(".\\shaders\\vs.glsl");
+    let vs_ptr = vs_src.as_ptr() as *const i8;
+    let vs = unsafe { gl::CreateShader(gl::VERTEX_SHADER) };
+    unsafe { gl::ShaderSource(vs, 1, &vs_ptr as _, null()) };
+    unsafe { gl::CompileShader(vs) };
+    let mut success = 0;
+    unsafe { gl::GetShaderiv(vs, gl::COMPILE_STATUS, &mut success) };
+    if success != 0 {
+        let mut log = [0; 512];
+        unsafe { gl::GetShaderInfoLog(vs, 512, core::ptr::null_mut(), log.as_mut_ptr()) };
+        let log_u8: [u8; 512] = unsafe { std::mem::transmute(log) };
+        println!("{}", from_utf8(&log_u8).unwrap());
+    }
+
+    let fs_src = include_bytes!(".\\shaders\\fs.glsl");
+    let fs_ptr = fs_src.as_ptr() as *const i8;
+    let fs = unsafe { gl::CreateShader(gl::FRAGMENT_SHADER) };
+    unsafe { gl::ShaderSource(fs, 1, &fs_ptr as _, null()) };
+    unsafe { gl::CompileShader(fs) };
+    let mut success = 0;
+    unsafe { gl::GetShaderiv(fs, gl::COMPILE_STATUS, &mut success) };
+    if success != 0 {
+        let mut log = [0; 512];
+        unsafe { gl::GetShaderInfoLog(fs, 512, core::ptr::null_mut(), log.as_mut_ptr()) };
+        let log_u8: [u8; 512] = unsafe { std::mem::transmute(log) };
+        println!("{}", from_utf8(&log_u8).unwrap());
+    }
+
+    // 链接着色器
+    let sp = unsafe { gl::CreateProgram() };
+    unsafe { gl::AttachShader(sp, vs) };
+    unsafe { gl::AttachShader(sp, fs) };
+    unsafe { gl::LinkProgram(sp) };
+    let mut success = 0;
+    unsafe { gl::GetProgramiv(sp, gl::LINK_STATUS, &mut success) };
+    if success != 0 {
+        let mut log = [0; 512];
+        unsafe { gl::GetProgramInfoLog(sp, 512, null_mut(), log.as_mut_ptr()) };
+        let log_u8: [u8; 512] = unsafe { std::mem::transmute(log) };
+        println!("{}", from_utf8(&log_u8).unwrap());
+    }
+
+    // 使用程序和删除着色器
+    unsafe { gl::UseProgram(sp) };
+    unsafe { gl::DeleteShader(vs) };
+    unsafe { gl::DeleteShader(fs) };
+
+    // 创建VAO
+    let mut vao = 0;
+    unsafe { gl::GenVertexArrays(1, &mut vao) };
+    unsafe { gl::BindVertexArray(vao) };
+
+    // 创建VBO
+    let a: [f32; _] = [-0.5, -0.5, 0.0, 0.5, -0.5, 0.0, 0.0, 0.5, 0.0];
+    let mut vbo: u32 = 0;
+    unsafe { gl::GenBuffers(1, &mut vbo) };
+    unsafe { gl::BindBuffer(gl::ARRAY_BUFFER, vbo) };
+    unsafe {
+        gl::BufferData(
+            gl::ARRAY_BUFFER,
+            size_of_val(&a) as _,
+            a.as_ptr() as _,
+            gl::STATIC_DRAW,
+        )
+    };
+
+    // 链接顶点属性
+    unsafe {
+        gl::VertexAttribPointer(
+            0,
+            3,
+            gl::FLOAT,
+            gl::FALSE,
+            (3 * size_of::<f32>()) as _,
+            0 as _,
+        )
+    };
+    unsafe { gl::EnableVertexAttribArray(0) };
+
+    // 渲染循环
+    while !window.should_close() {
+        glfw.poll_events();
+        for (_, event) in glfw::flush_messages(&events) {
+            handle_window_event(&mut window, event);
+        }
+
+        render(&mut render_timer, sp ,vao);
+
+        window.swap_buffers();
+    }
+}
+
+fn handle_window_event(window: &mut glfw::Window, event: glfw::WindowEvent) {
+    match event {
+        glfw::WindowEvent::Key(Key::Escape, _, Action::Press, _) => window.set_should_close(true),
+        _ => {}
+    }
+}
+
+fn render(render_timer: &mut RenderTimer, sp: u32, vao: u32) {
+    let t = render_timer.time_count() as f32 / 1000.0 as f32;
+    unsafe { gl::ClearColor(t.sin() * 0.5 + 1.0, t.cos() * 0.5 + 1.0, 0.3, 1.0) };
+    unsafe { gl::Clear(gl::COLOR_BUFFER_BIT) };
+
+    unsafe { gl::UseProgram(sp) };
+    unsafe { gl::BindVertexArray(vao) };
+    unsafe { gl::DrawArrays(gl::TRIANGLES, 0, 3) };
+}
diff --git a/src/render_timer.rs b/src/render_timer.rs
new file mode 100644
index 0000000..771c8de
--- /dev/null
+++ b/src/render_timer.rs
@@ -0,0 +1,25 @@
+use std::time::Instant;
+
+pub struct RenderTimer {
+    create_time: Instant,
+    last_check: Instant,
+}
+
+ impl RenderTimer {
+    pub fn new() -> Self {
+        RenderTimer {
+            create_time: std::time::Instant::now(),
+            last_check: Instant::now(),
+        }
+    }
+
+    pub fn time_count(&mut self) -> u128 {
+        self.create_time.elapsed().as_millis()
+    }
+
+    pub fn elapsed(&mut self) -> u128 {
+        let elapsed = self.last_check.elapsed();
+        self.last_check = Instant::now();
+        elapsed.as_millis()
+    }
+}
diff --git a/src/shaders/fs.glsl b/src/shaders/fs.glsl
new file mode 100644
index 0000000..12a8bd1
--- /dev/null
+++ b/src/shaders/fs.glsl
@@ -0,0 +1,7 @@
+#version 330 core
+out vec4 FragColor;
+
+void main()
+{
+    FragColor = vec4(0.0f, 0.0f, 0.0f, 1.0f);
+}
\ No newline at end of file
diff --git a/src/shaders/vs.glsl b/src/shaders/vs.glsl
new file mode 100644
index 0000000..cdd6dd3
--- /dev/null
+++ b/src/shaders/vs.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);
+}
\ No newline at end of file