Remove render backend option as it doesn't work and confuses people.

Cargo.lock

@@ -488,7 +488,6 @@ dependencies = [
 name = "util"
 version = "0.0.1"
 dependencies = [
- "azure 0.1.0 (git+https://github.com/servo/rust-azure#b357751c04a89a87e6ef1f0cebe5f20957dd112d)",
  "geom 0.1.0 (git+https://github.com/servo/rust-geom#b001a76e907befaae1d0d6dd259418a22092da86)",
  "string_cache 0.0.0 (git+https://github.com/servo/string-cache#124b891ebb4564743068f99aaeb0e154de343efb)",
  "string_cache_macros 0.0.0 (git+https://github.com/servo/string-cache#124b891ebb4564743068f99aaeb0e154de343efb)",

components/gfx/display_list/mod.rs

@@ -555,8 +555,7 @@ impl DisplayItem {
 
                 render_context.font_ctx.get_render_font_from_template(
                     &text.text_run.font_template,
-                    text.text_run.actual_pt_size,
+                    text.text_run.actual_pt_size
-                    render_context.opts.render_backend
                 ).borrow().draw_text_into_context(
                     render_context,
                     &*text.text_run,

components/gfx/font_context.rs

@@ -20,7 +20,7 @@ use std::cell::RefCell;
 use sync::Arc;
 
 use azure::AzFloat;
-use azure::azure_hl::BackendType;
+use azure::azure_hl::SkiaBackend;
 use azure::scaled_font::ScaledFont;
 
 #[cfg(target_os="linux")]
@@ -29,14 +29,14 @@ use azure::scaled_font::FontData;
 
 #[cfg(target_os="linux")]
 #[cfg(target_os="android")]
-fn create_scaled_font(backend: BackendType, template: &Arc<FontTemplateData>, pt_size: f64) -> ScaledFont {
+fn create_scaled_font(template: &Arc<FontTemplateData>, pt_size: f64) -> ScaledFont {
-    ScaledFont::new(backend, FontData(&template.bytes), pt_size as AzFloat)
+    ScaledFont::new(SkiaBackend, FontData(&template.bytes), pt_size as AzFloat)
 }
 
 #[cfg(target_os="macos")]
-fn create_scaled_font(backend: BackendType, template: &Arc<FontTemplateData>, pt_size: f64) -> ScaledFont {
+fn create_scaled_font(template: &Arc<FontTemplateData>, pt_size: f64) -> ScaledFont {
     let cgfont = template.ctfont.as_ref().unwrap().copy_to_CGFont();
-    ScaledFont::new(backend, &cgfont, pt_size as AzFloat)
+    ScaledFont::new(SkiaBackend, &cgfont, pt_size as AzFloat)
 }
 
 static SMALL_CAPS_SCALE_FACTOR: f64 = 0.8;      // Matches FireFox (see gfxFont.h)
@@ -199,7 +199,9 @@ impl FontContext {
 
     /// Create a render font for use with azure. May return a cached
     /// reference if already used by this font context.
-    pub fn get_render_font_from_template(&mut self, template: &Arc<FontTemplateData>, pt_size: f64, backend: BackendType) -> Rc<RefCell<ScaledFont>> {
+    pub fn get_render_font_from_template(&mut self,
+                                         template: &Arc<FontTemplateData>,
+                                         pt_size: f64) -> Rc<RefCell<ScaledFont>> {
         for cached_font in self.render_font_cache.iter() {
             if cached_font.pt_size == pt_size &&
                cached_font.identifier == template.identifier {
@@ -207,7 +209,7 @@ impl FontContext {
             }
         }
 
-        let render_font = Rc::new(RefCell::new(create_scaled_font(backend, template, pt_size)));
+        let render_font = Rc::new(RefCell::new(create_scaled_font(template, pt_size)));
         self.render_font_cache.push(RenderFontCacheEntry{
             font: render_font.clone(),
             pt_size: pt_size,

components/gfx/render_task.rs

@@ -10,7 +10,7 @@ use display_list::DisplayList;
 use font_context::FontContext;
 use render_context::RenderContext;
 
-use azure::azure_hl::{B8G8R8A8, Color, DrawTarget, StolenGLResources};
+use azure::azure_hl::{B8G8R8A8, Color, DrawTarget, SkiaBackend, StolenGLResources};
 use azure::AzFloat;
 use geom::matrix2d::Matrix2D;
 use geom::point::Point2D;
@@ -317,17 +317,19 @@ impl<C:RenderListener + Send> RenderTask<C> {
                 let width = tile.screen_rect.size.width;
                 let height = tile.screen_rect.size.height;
 
+                // TODO: In the future we'll want to re-enable configuring the
+                // rendering backend - it's hardcoded to Skia below for now
+                // since none of the other backends work at all.
                 let size = Size2D(width as i32, height as i32);
                 let draw_target = match self.graphics_context {
                     CpuGraphicsContext => {
-                        DrawTarget::new(self.opts.render_backend, size, B8G8R8A8)
+                        DrawTarget::new(SkiaBackend, size, B8G8R8A8)
                     }
                     GpuGraphicsContext => {
                         // FIXME(pcwalton): Cache the components of draw targets
                         // (texture color buffer, renderbuffers) instead of recreating them.
                         let draw_target =
-                            DrawTarget::new_with_fbo(self.opts.render_backend,
+                            DrawTarget::new_with_fbo(SkiaBackend, native_graphics_context!(self),
-                                                     native_graphics_context!(self),
                                                      size,
                                                      B8G8R8A8);
                         draw_target.make_current();

components/util/Cargo.toml

@@ -7,9 +7,6 @@ authors = ["The Servo Project Developers"]
 name = "util"
 path = "lib.rs"
 
-[dependencies.azure]
-git = "https://github.com/servo/rust-azure"
-
 [dependencies.geom]
 git = "https://github.com/servo/rust-geom"
 

components/util/lib.rs

@@ -12,7 +12,6 @@ extern crate log;
 
 extern crate debug;
 extern crate alloc;
-extern crate azure;
 extern crate collections;
 extern crate geom;
 extern crate getopts;

components/util/opts.rs

@@ -7,8 +7,6 @@
 
 use geometry::ScreenPx;
 
-use azure::azure_hl::{BackendType, CairoBackend, CoreGraphicsBackend};
-use azure::azure_hl::{CoreGraphicsAcceleratedBackend, Direct2DBackend, SkiaBackend};
 use geom::scale_factor::ScaleFactor;
 use geom::size::TypedSize2D;
 use layers::geometry::DevicePixel;
@@ -25,9 +23,6 @@ pub struct Opts {
     /// The initial URLs to load.
     pub urls: Vec<String>,
 
-    /// The rendering backend to use (`-r`).
-    pub render_backend: BackendType,
-
     /// How many threads to use for CPU rendering (`-t`).
     ///
     /// FIXME(pcwalton): This is not currently used. All rendering is sequential.
@@ -163,25 +158,6 @@ pub fn from_cmdline_args(args: &[String]) -> Option<Opts> {
         opt_match.free.clone()
     };
 
-    let render_backend = match opt_match.opt_str("r") {
-        Some(backend_str) => {
-            if "direct2d" == backend_str.as_slice() {
-                Direct2DBackend
-            } else if "core-graphics" == backend_str.as_slice() {
-                CoreGraphicsBackend
-            } else if "core-graphics-accelerated" == backend_str.as_slice() {
-                CoreGraphicsAcceleratedBackend
-            } else if "cairo" == backend_str.as_slice() {
-                CairoBackend
-            } else if "skia" == backend_str.as_slice() {
-                SkiaBackend
-            } else {
-                fail!("unknown backend type")
-            }
-        }
-        None => SkiaBackend
-    };
-
     let tile_size: uint = match opt_match.opt_str("s") {
         Some(tile_size_str) => from_str(tile_size_str.as_slice()).unwrap(),
         None => 512,
@@ -238,7 +214,6 @@ pub fn from_cmdline_args(args: &[String]) -> Option<Opts> {
 
     let opts = Opts {
         urls: urls,
-        render_backend: render_backend,
         n_render_threads: n_render_threads,
         cpu_painting: cpu_painting,
         tile_size: tile_size,

ports/android/glut_app/Cargo.lock

@@ -496,7 +496,6 @@ dependencies = [
 name = "util"
 version = "0.0.1"
 dependencies = [
- "azure 0.1.0 (git+https://github.com/servo/rust-azure#b357751c04a89a87e6ef1f0cebe5f20957dd112d)",
  "geom 0.1.0 (git+https://github.com/servo/rust-geom#90add8d65273c8a46aa16d73959e29a51d0c282d)",
  "string_cache 0.0.0 (git+https://github.com/servo/string-cache#97754929f38d93f6728d1f0acce8107648420e98)",
  "string_cache_macros 0.0.0 (git+https://github.com/servo/string-cache#97754929f38d93f6728d1f0acce8107648420e98)",

ports/cef/Cargo.lock

@@ -514,7 +514,6 @@ dependencies = [
 name = "util"
 version = "0.0.1"
 dependencies = [
- "azure 0.1.0 (git+https://github.com/servo/rust-azure#b357751c04a89a87e6ef1f0cebe5f20957dd112d)",
  "geom 0.1.0 (git+https://github.com/servo/rust-geom#b001a76e907befaae1d0d6dd259418a22092da86)",
  "string_cache 0.0.0 (git+https://github.com/servo/string-cache#97754929f38d93f6728d1f0acce8107648420e98)",
  "string_cache_macros 0.0.0 (git+https://github.com/servo/string-cache#97754929f38d93f6728d1f0acce8107648420e98)",

ports/cef/core.rs

@@ -51,7 +51,6 @@ pub extern "C" fn cef_run_message_loop() {
     urls.push("http://s27.postimg.org/vqbtrolyr/servo.jpg".to_string());
     let opts = opts::Opts {
         urls: urls,
-        render_backend: azure::azure_hl::SkiaBackend,
         n_render_threads: 1,
         cpu_painting: false,
         tile_size: 512,