diff --git a/components/servo/Cargo.lock b/components/servo/Cargo.lock
index 5f9116d9ee34..48d33a52d62a 100644
--- a/components/servo/Cargo.lock
+++ b/components/servo/Cargo.lock
@@ -235,7 +235,7 @@ dependencies = [
  "ipc-channel 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "plugins 0.0.1",
  "util 0.0.1",
  "webrender_traits 0.5.1 (git+https://github.com/servo/webrender)",
@@ -369,7 +369,7 @@ dependencies = [
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "net_traits 0.0.1",
- "offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "plugins 0.0.1",
  "profile_traits 0.0.1",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1617,7 +1617,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "offscreen_gl_context"
-version = "0.4.2"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cgl 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1626,6 +1626,7 @@ dependencies = [
  "gl_generator 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "gleam 0.2.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "osmesa-sys 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.8.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "x11 2.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1971,7 +1972,7 @@ dependencies = [
  "msg 0.0.1",
  "net_traits 0.0.1",
  "num-traits 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "open 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_macros 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2055,7 +2056,7 @@ dependencies = [
  "libc 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "net_traits 0.0.1",
- "offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "plugins 0.0.1",
  "profile_traits 0.0.1",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2645,7 +2646,7 @@ dependencies = [
 [[package]]
 name = "webrender"
 version = "0.5.1"
-source = "git+https://github.com/servo/webrender#58b9e983a5e74ac1670fcf67f9c2ba68740ab2cc"
+source = "git+https://github.com/servo/webrender#dfa4246ebe40c78882cdd3e69e776b1e09a2f58e"
 dependencies = [
  "app_units 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bincode 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2661,7 +2662,7 @@ dependencies = [
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
  "webrender_traits 0.5.1 (git+https://github.com/servo/webrender)",
@@ -2670,7 +2671,7 @@ dependencies = [
 [[package]]
 name = "webrender_traits"
 version = "0.5.1"
-source = "git+https://github.com/servo/webrender#58b9e983a5e74ac1670fcf67f9c2ba68740ab2cc"
+source = "git+https://github.com/servo/webrender#dfa4246ebe40c78882cdd3e69e776b1e09a2f58e"
 dependencies = [
  "app_units 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2679,7 +2680,7 @@ dependencies = [
  "gleam 0.2.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.8.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.8.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2902,7 +2903,7 @@ dependencies = [
 "checksum num_cpus 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)" = "cee7e88156f3f9e19bdd598f8d6c9db7bf4078f99f8381f43a55b09648d1a6e3"
 "checksum objc 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7c9311aa5acd7bee14476afa0f0557f564e9d0d61218a8b833d9b1f871fa5fba"
 "checksum odds 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)" = "f3701cfdec1676e319ad37ff96c31de39df8c92006032976153366f52693bf40"
-"checksum offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0860b03349dd951ade7f4fdb1f6724a76a3750b094a760d2aeee1af1d4706400"
+"checksum offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ea9e7dbc300ee7fa43b15027a429256018e2ab60c84b7b95c3f3aeab6276d62a"
 "checksum ogg 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "426d8dc59cdd206be1925461087350385c0a02f291d87625829c6d08e72b457b"
 "checksum ogg_metadata 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e755cc735fa6faa709cb23048433d9201d6caa85fa96215386ccdd5e9b40ad01"
 "checksum open 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c228597177bc4a6876e278f7c7948ac033bfcb4d163ccdd5a009557c8fe5fa1e"
diff --git a/components/servo/lib.rs b/components/servo/lib.rs
index 9284c0997a81..a5d6f18f7cb7 100644
--- a/components/servo/lib.rs
+++ b/components/servo/lib.rs
@@ -158,6 +158,7 @@ impl<Window> Browser<Window> where Window: WindowMethods + 'static {
                         enable_recording: false,
                         precache_shaders: opts.precache_shaders,
                         enable_scrollbars: opts.output_file.is_none(),
+                        renderer_kind: webrender_traits::RendererKind::Native,
                     });
                 (Some(webrender), Some(webrender_sender))
             } else {
diff --git a/ports/cef/Cargo.lock b/ports/cef/Cargo.lock
index 1803a2cafdbc..f6da3d300b1f 100644
--- a/ports/cef/Cargo.lock
+++ b/ports/cef/Cargo.lock
@@ -208,7 +208,7 @@ dependencies = [
  "ipc-channel 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "plugins 0.0.1",
  "util 0.0.1",
  "webrender_traits 0.5.1 (git+https://github.com/servo/webrender)",
@@ -326,7 +326,7 @@ dependencies = [
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "net_traits 0.0.1",
- "offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "plugins 0.0.1",
  "profile_traits 0.0.1",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1488,7 +1488,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "offscreen_gl_context"
-version = "0.4.2"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cgl 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1497,6 +1497,7 @@ dependencies = [
  "gl_generator 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "gleam 0.2.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "osmesa-sys 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.8.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "x11 2.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1822,7 +1823,7 @@ dependencies = [
  "msg 0.0.1",
  "net_traits 0.0.1",
  "num-traits 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "open 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_macros 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1896,7 +1897,7 @@ dependencies = [
  "libc 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "net_traits 0.0.1",
- "offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "plugins 0.0.1",
  "profile_traits 0.0.1",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2505,7 +2506,7 @@ dependencies = [
 [[package]]
 name = "webrender"
 version = "0.5.1"
-source = "git+https://github.com/servo/webrender#58b9e983a5e74ac1670fcf67f9c2ba68740ab2cc"
+source = "git+https://github.com/servo/webrender#dfa4246ebe40c78882cdd3e69e776b1e09a2f58e"
 dependencies = [
  "app_units 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bincode 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2521,7 +2522,7 @@ dependencies = [
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
  "webrender_traits 0.5.1 (git+https://github.com/servo/webrender)",
@@ -2530,7 +2531,7 @@ dependencies = [
 [[package]]
 name = "webrender_traits"
 version = "0.5.1"
-source = "git+https://github.com/servo/webrender#58b9e983a5e74ac1670fcf67f9c2ba68740ab2cc"
+source = "git+https://github.com/servo/webrender#dfa4246ebe40c78882cdd3e69e776b1e09a2f58e"
 dependencies = [
  "app_units 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2539,7 +2540,7 @@ dependencies = [
  "gleam 0.2.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.8.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.8.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2756,7 +2757,7 @@ dependencies = [
 "checksum num_cpus 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)" = "cee7e88156f3f9e19bdd598f8d6c9db7bf4078f99f8381f43a55b09648d1a6e3"
 "checksum objc 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7c9311aa5acd7bee14476afa0f0557f564e9d0d61218a8b833d9b1f871fa5fba"
 "checksum odds 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)" = "f3701cfdec1676e319ad37ff96c31de39df8c92006032976153366f52693bf40"
-"checksum offscreen_gl_context 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0860b03349dd951ade7f4fdb1f6724a76a3750b094a760d2aeee1af1d4706400"
+"checksum offscreen_gl_context 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ea9e7dbc300ee7fa43b15027a429256018e2ab60c84b7b95c3f3aeab6276d62a"
 "checksum ogg 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "426d8dc59cdd206be1925461087350385c0a02f291d87625829c6d08e72b457b"
 "checksum ogg_metadata 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e755cc735fa6faa709cb23048433d9201d6caa85fa96215386ccdd5e9b40ad01"
 "checksum open 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c228597177bc4a6876e278f7c7948ac033bfcb4d163ccdd5a009557c8fe5fa1e"