servo: Merge #4011 - Update gleam submodule, and use glfw to load OpenGL function pointers (from glennw:gleam-update); r=larsbergstrom

Source-Repo: https://github.com/servo/servo
Source-Revision: 3da9ad464db7e3a422e06f82285aff15b7375344

servo/Cargo.lock

@@ -251,7 +251,7 @@ dependencies = [
 [[package]]
 name = "gleam"
 version = "0.0.1"
-source = "git+https://github.com/servo/gleam#8e77178eaebddfeae6557dfec2bcccbefaba93f3"
+source = "git+https://github.com/servo/gleam#aaea38be25ce9de6e1e8620fa5b554669ac6475c"
 dependencies = [
  "gl_generator 0.0.1 (git+https://github.com/bjz/gl-rs.git)",
 ]

servo/ports/android/glut_app/Cargo.lock

@@ -249,7 +249,7 @@ dependencies = [
 [[package]]
 name = "gleam"
 version = "0.0.1"
-source = "git+https://github.com/servo/gleam#8e77178eaebddfeae6557dfec2bcccbefaba93f3"
+source = "git+https://github.com/servo/gleam#aaea38be25ce9de6e1e8620fa5b554669ac6475c"
 dependencies = [
  "gl_generator 0.0.1 (git+https://github.com/bjz/gl-rs.git)",
 ]

servo/ports/cef/Cargo.lock

@@ -259,7 +259,7 @@ dependencies = [
 [[package]]
 name = "gleam"
 version = "0.0.1"
-source = "git+https://github.com/servo/gleam#8e77178eaebddfeae6557dfec2bcccbefaba93f3"
+source = "git+https://github.com/servo/gleam#aaea38be25ce9de6e1e8620fa5b554669ac6475c"
 dependencies = [
  "gl_generator 0.0.1 (git+https://github.com/bjz/gl-rs.git)",
 ]

servo/ports/glfw/lib.rs

@@ -13,6 +13,7 @@ extern crate alert;
 extern crate cgl;
 extern crate compositing;
 extern crate geom;
+extern crate gleam;
 extern crate glfw;
 extern crate layers;
 extern crate libc;

servo/ports/glfw/window.rs

@@ -20,6 +20,7 @@ use geom::point::{Point2D, TypedPoint2D};
 use geom::scale_factor::ScaleFactor;
 use geom::size::TypedSize2D;
 use glfw::{mod, Context};
+use gleam::gl;
 use layers::geometry::DevicePixel;
 use layers::platform::surface::NativeGraphicsMetadata;
 use libc::c_int;
@@ -63,6 +64,8 @@ impl Window {
             .expect("Failed to create GLFW window");
         glfw_window.make_current();
 
+        gl::load_with(|s| glfw_window.get_proc_address(s));
+
         // Create our window object.
         let window = Window {
             glfw: glfw,