Expose image tiling in the API.

sample/src/main.rs

@@ -107,6 +107,7 @@ fn main() {
         vector_img,
         ImageDescriptor::new(100, 100, ImageFormat::RGBA8).with_opaque_flag(true),
         ImageData::new_blob_image(Vec::new()),
+        None,
     );
 
     let pipeline_id = PipelineId(0, 0);
@@ -143,7 +144,8 @@ fn main() {
         api.add_image(
             mask_image,
             ImageDescriptor::new(2, 2, ImageFormat::A8).with_opaque_flag(true),
-            ImageData::new(vec![0, 80, 180, 255])
+            ImageData::new(vec![0, 80, 180, 255]),
+            None,
         );
         let mask = webrender_traits::ImageMask {
             image: mask_image,

webrender/src/render_backend.rs

@@ -126,11 +126,11 @@ impl RenderBackend {
                             };
                             tx.send(glyph_dimensions).unwrap();
                         }
-                        ApiMsg::AddImage(id, descriptor, data) => {
+                        ApiMsg::AddImage(id, descriptor, data, tiling) => {
                             if let ImageData::Raw(ref bytes) = data {
                                 profile_counters.image_templates.inc(bytes.len());
                             }
-                            self.resource_cache.add_image_template(id, descriptor, data);
+                            self.resource_cache.add_image_template(id, descriptor, data, tiling);
                         }
                         ApiMsg::UpdateImage(id, descriptor, bytes) => {
                             self.resource_cache.update_image_template(id, descriptor, bytes);

webrender/src/resource_cache.rs

@@ -262,7 +262,8 @@ impl ResourceCache {
     pub fn add_image_template(&mut self,
                               image_key: ImageKey,
                               descriptor: ImageDescriptor,
-                              data: ImageData) {
+                              data: ImageData,
+                              tiling: Option<u16>) {
         if descriptor.width > self.max_texture_size() || descriptor.height > self.max_texture_size() {
             // TODO: we need to support handle this case gracefully, cf. issue #620.
             println!("Warning: texture size ({} {}) larger than the maximum size",
@@ -273,7 +274,7 @@ impl ResourceCache {
             descriptor: descriptor,
             data: data,
             epoch: Epoch(0),
-            tiling: None,
+            tiling: tiling,
         };
 
         self.image_templates.insert(image_key, resource);

webrender_traits/src/api.rs

@@ -92,8 +92,9 @@ impl RenderApi {
     pub fn add_image(&self,
                      key: ImageKey,
                      descriptor: ImageDescriptor,
-                     data: ImageData) {
-        let msg = ApiMsg::AddImage(key, descriptor, data);
+                     data: ImageData,
+                     tiling: Option<u16>) {
+        let msg = ApiMsg::AddImage(key, descriptor, data, tiling);
         self.api_sender.send(msg).unwrap();
     }
 

webrender_traits/src/types.rs

@@ -31,7 +31,7 @@ pub enum ApiMsg {
     /// Gets the glyph dimensions
     GetGlyphDimensions(Vec<GlyphKey>, MsgSender<Vec<Option<GlyphDimensions>>>),
     /// Adds an image from the resource cache.
-    AddImage(ImageKey, ImageDescriptor, ImageData),
+    AddImage(ImageKey, ImageDescriptor, ImageData, Option<u16>),
     /// Updates the the resource cache with the new image data.
     UpdateImage(ImageKey, ImageDescriptor, Vec<u8>),
     /// Drops an image from the resource cache.