X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=main.rs;h=e0d2ad2df089ae64fe881c29b3341118d6c18d79;hb=475b28ef9c58a937a6637bcf49f1b6b95d10a9f5;hp=12a127b9df1472c665730d69af6c1e9b322c2406;hpb=70862a24f674f89190e392c0d1cb9f3dfe405059;p=mandelwow.git

diff --git a/main.rs b/main.rs
index 12a127b..e0d2ad2 100644
--- a/main.rs
+++ b/main.rs
@@ -1,5 +1,3 @@
-// Wow. Such fractal.
-
 extern crate cgmath;
 #[macro_use(uniform,program,implement_vertex)]
 extern crate glium;
@@ -15,6 +13,7 @@ use glium::{DisplayBuild, Surface};
 use glutin::ElementState::Pressed;
 use glutin::Event::KeyboardInput;
 use glutin::VirtualKeyCode;
+use std::os::raw::{c_int, c_void};
 
 mod bounding_box;
 mod cube;
@@ -30,18 +29,62 @@ fn screenshot(display : &glium::Display) {
     image.save(&mut output, image::ImageFormat::PNG).unwrap();
 }
 
+fn gl_info(display : &glium::Display) {
+    let version = *display.get_opengl_version();
+    let api = match version {
+        glium::Version(glium::Api::Gl, _, _) => "OpenGL",
+        glium::Version(glium::Api::GlEs, _, _) => "OpenGL ES"
+    };
+    println!("{} context verson: {}", api, display.get_opengl_version_string());
+}
+
+#[cfg(target_os = "emscripten")]
+#[allow(non_camel_case_types)]
+type em_callback_func = unsafe extern fn();
+#[cfg(target_os = "emscripten")]
+extern {
+    fn emscripten_set_main_loop(func : em_callback_func, fps : c_int, simulate_infinite_loop : c_int);
+}
+
+#[cfg(target_os = "emscripten")]
+thread_local!(static MAIN_LOOP_CALLBACK: std::cell::RefCell<*mut c_void> =
+              std::cell::RefCell::new(std::ptr::null_mut()));
+
+#[cfg(target_os = "emscripten")]
+pub fn set_main_loop_callback<F>(callback : F) where F : FnMut() -> support::Action {
+    MAIN_LOOP_CALLBACK.with(|log| {
+            *log.borrow_mut() = &callback as *const _ as *mut c_void;
+            });
+
+    unsafe { emscripten_set_main_loop(wrapper::<F>, 0, 1); }
+
+    unsafe extern "C" fn wrapper<F>() where F : FnMut() -> support::Action {
+        MAIN_LOOP_CALLBACK.with(|z| {
+            let closure = *z.borrow_mut() as *mut F;
+            (*closure)();
+        });
+    }
+}
+
+#[cfg(not(target_os = "emscripten"))]
+pub fn set_main_loop_callback<F>(callback : F) where F : FnMut() -> support::Action {
+    support::start_loop(callback);
+}
+
 fn main() {
     let _soundplayer = sound::start();
 
     let display = glutin::WindowBuilder::new()
-        //.with_dimensions(1024, 768)
-        .with_fullscreen(glutin::get_primary_monitor())
+        .with_dimensions(600, 600)
+        //.with_fullscreen(glutin::get_primary_monitor())
         .with_depth_buffer(24)
         .with_vsync()
         .with_title(format!("MandelWow"))
         .build_glium()
         .unwrap();
 
+    gl_info(&display);
+
     let mandelwow_program = mandelwow::program(&display);
     let bounding_box_program = bounding_box::solid_fill_program(&display);
 
@@ -61,7 +104,7 @@ fn main() {
         zmax:  1.1,
     };
 
-    support::start_loop(|| {
+    set_main_loop_callback(|| {
         camera.update();
 
         if !pause {
@@ -142,5 +185,4 @@ fn main() {
 
         support::Action::Continue
     });
-
 }