diff options
Diffstat (limited to 'examples/support')
| -rw-r--r-- | examples/support/mod.rs | 66 | 
1 files changed, 35 insertions, 31 deletions
diff --git a/examples/support/mod.rs b/examples/support/mod.rs index 1e61165..eb27d23 100644 --- a/examples/support/mod.rs +++ b/examples/support/mod.rs @@ -31,7 +31,7 @@ pub struct Context {  }  pub fn load(window: &glutin::Window) -> Context { -    let gl = gl::Gl::load_with(|symbol| window.get_proc_address(symbol)); +    let gl = gl::Gl::load(window);      let version = {          use std::c_str::CString; @@ -46,42 +46,46 @@ pub fn load(window: &glutin::Window) -> Context {  impl Context {      #[cfg(not(target_os = "android"))]      pub fn draw_frame(&self, color: (f32, f32, f32, f32)) { -        self.gl.ClearColor(color.0, color.1, color.2, color.3); -        self.gl.Clear(gl::COLOR_BUFFER_BIT); - -        self.gl.Begin(gl::TRIANGLES); -        self.gl.Color3f(1.0, 0.0, 0.0); -        self.gl.Vertex2f(-0.5, -0.5); -        self.gl.Color3f(0.0, 1.0, 0.0); -        self.gl.Vertex2f(0.0, 0.5); -        self.gl.Color3f(0.0, 0.0, 1.0); -        self.gl.Vertex2f(0.5, -0.5); -        self.gl.End(); - -        self.gl.Flush(); +        unsafe { +            self.gl.ClearColor(color.0, color.1, color.2, color.3); +            self.gl.Clear(gl::COLOR_BUFFER_BIT); + +            self.gl.Begin(gl::TRIANGLES); +            self.gl.Color3f(1.0, 0.0, 0.0); +            self.gl.Vertex2f(-0.5, -0.5); +            self.gl.Color3f(0.0, 1.0, 0.0); +            self.gl.Vertex2f(0.0, 0.5); +            self.gl.Color3f(0.0, 0.0, 1.0); +            self.gl.Vertex2f(0.5, -0.5); +            self.gl.End(); + +            self.gl.Flush(); +        }      }      #[cfg(target_os = "android")]      pub fn draw_frame(&self, color: (f32, f32, f32, f32)) { -        self.gl.ClearColor(color.0, color.1, color.2, color.3); -        self.gl.Clear(gl::COLOR_BUFFER_BIT); - -        self.gl.EnableClientState(gl::VERTEX_ARRAY); -        self.gl.EnableClientState(gl::COLOR_ARRAY); -          unsafe { -            use std::mem; -            self.gl.VertexPointer(2, gl::FLOAT, (mem::size_of::<f32>() * 5) as i32, -                mem::transmute(VERTEX_DATA.as_slice().as_ptr())); -            self.gl.ColorPointer(3, gl::FLOAT, (mem::size_of::<f32>() * 5) as i32, -                mem::transmute(VERTEX_DATA.as_slice().as_ptr().offset(2))); +            self.gl.ClearColor(color.0, color.1, color.2, color.3); +            self.gl.Clear(gl::COLOR_BUFFER_BIT); + +            self.gl.EnableClientState(gl::VERTEX_ARRAY); +            self.gl.EnableClientState(gl::COLOR_ARRAY); + +            unsafe { +                use std::mem; +                self.gl.VertexPointer(2, gl::FLOAT, (mem::size_of::<f32>() * 5) as i32, +                    mem::transmute(VERTEX_DATA.as_slice().as_ptr())); +                self.gl.ColorPointer(3, gl::FLOAT, (mem::size_of::<f32>() * 5) as i32, +                    mem::transmute(VERTEX_DATA.as_slice().as_ptr().offset(2))); +            } + +            self.gl.DrawArrays(gl::TRIANGLES, 0, 3); +            self.gl.DisableClientState(gl::VERTEX_ARRAY); +            self.gl.DisableClientState(gl::COLOR_ARRAY); +             +            self.gl.Flush();          } - -        self.gl.DrawArrays(gl::TRIANGLES, 0, 3); -        self.gl.DisableClientState(gl::VERTEX_ARRAY); -        self.gl.DisableClientState(gl::COLOR_ARRAY); -         -        self.gl.Flush();      }  }  | 
