Backed out changeset 71b7ef6e0ed8 (bug 1573649) for causing wrench bu…

…ild bustages on svg-filter-offset-ref.yaml.

[wrupdater] From https://hg.mozilla.org/mozilla-central/rev/c9f306364c7d79c316cedb484da364944909a1a4

webrender/src/picture.rs

@@ -1964,10 +1964,6 @@ impl PictureCompositeMode {
                             primitive.input.to_index(cur_index).map(|index| output_rects[index]).unwrap_or(picture_rect),
                         FilterPrimitiveKind::ComponentTransfer(ref primitive) =>
                             primitive.input.to_index(cur_index).map(|index| output_rects[index]).unwrap_or(picture_rect),
-                        FilterPrimitiveKind::Offset(ref primitive) => {
-                            let input_rect = primitive.input.to_index(cur_index).map(|index| output_rects[index]).unwrap_or(picture_rect);
-                            input_rect.translate(primitive.offset * Scale::new(1.0))
-                        },
 
                         FilterPrimitiveKind::Flood(..) => picture_rect,
                     };

webrender/src/prim_store/picture.rs

@@ -31,7 +31,6 @@ pub enum FilterPrimitiveKey {
     ColorMatrix(ColorSpace, [Au; 20], FilterPrimitiveInput),
     DropShadow(ColorSpace, (VectorKey, Au, ColorU), FilterPrimitiveInput),
     ComponentTransfer(ColorSpace, FilterPrimitiveInput, Vec<SFilterData>),
-    Offset(ColorSpace, FilterPrimitiveInput, VectorKey),
 }
 
 /// Represents a hashable description of how a picture primitive
@@ -176,8 +175,6 @@ impl From<Option<PictureCompositeMode>> for PictureCompositeKey {
                         }
                         FilterPrimitiveKind::ComponentTransfer(component_transfer) =>
                             FilterPrimitiveKey::ComponentTransfer(primitive.color_space, component_transfer.input, filter_data.clone()),
-                        FilterPrimitiveKind::Offset(info) =>
-                            FilterPrimitiveKey::Offset(primitive.color_space, info.input, info.offset.into()),
                     }
                 }).collect())
             }

webrender/src/render_task.rs

@@ -1467,26 +1467,6 @@ impl RenderTask {
                         render_tasks.add(task)
                     }
                 }
-                FilterPrimitiveKind::Offset(ref info) => {
-                    let input_task_id = get_task_input(
-                        &info.input,
-                        filter_primitives,
-                        render_tasks,
-                        cur_index,
-                        &outputs,
-                        original_task_id,
-                        primitive.color_space
-                    );
-
-                    let offset = info.offset * LayoutToWorldScale::new(1.0) * device_pixel_scale;
-                    let offset_task = RenderTask::new_svg_filter_primitive(
-                        vec![input_task_id],
-                        content_size,
-                        uv_rect_kind,
-                        SvgFilterInfo::Offset(offset),
-                    );
-                    render_tasks.add(offset_task)
-                }
             };
             outputs.push(render_task_id);
         }

webrender_api/src/display_item.rs

@@ -837,13 +837,6 @@ pub struct IdentityPrimitive {
     pub input: FilterPrimitiveInput,
 }
 
-#[repr(C)]
-#[derive(Clone, Copy, Debug, Default, Deserialize, PartialEq, Serialize, PeekPoke)]
-pub struct OffsetPrimitive {
-    pub input: FilterPrimitiveInput,
-    pub offset: LayoutVector2D,
-}
-
 /// See: https://github.com/eqrion/cbindgen/issues/9
 /// cbindgen:derive-eq=false
 #[repr(C)]
@@ -859,7 +852,6 @@ pub enum FilterPrimitiveKind {
     ColorMatrix(ColorMatrixPrimitive),
     DropShadow(DropShadowPrimitive),
     ComponentTransfer(ComponentTransferPrimitive),
-    Offset(OffsetPrimitive),
 }
 
 impl Default for FilterPrimitiveKind {
@@ -880,7 +872,6 @@ impl FilterPrimitiveKind {
             FilterPrimitiveKind::Identity(..) |
             FilterPrimitiveKind::Blend(..) |
             FilterPrimitiveKind::ColorMatrix(..) |
-            FilterPrimitiveKind::Offset(..) |
             // Component transfer's filter data is sanitized separately.
             FilterPrimitiveKind::ComponentTransfer(..) => {}
         }

wrench/reftests/filters/reftest.list

@@ -56,6 +56,5 @@ platform(linux,mac) == fuzzy(4,28250) svg-filter-drop-shadow-rotate.yaml svg-fil
 platform(linux,mac) == svg-filter-blur-transforms.yaml svg-filter-blur-transforms.png
 platform(linux,mac) == svg-filter-drop-shadow-on-viewport-edge.yaml svg-filter-drop-shadow-on-viewport-edge.png
 platform(linux,mac) == svg-filter-drop-shadow-perspective.yaml svg-filter-drop-shadow-perspective.png
-== svg-filter-offset.yaml svg-filter-offset-ref.yaml
 == backdrop-filter-basic.yaml backdrop-filter-basic-ref.yaml
 platform(linux,mac) == backdrop-filter-perspective.yaml backdrop-filter-perspective.png

wrench/src/yaml_frame_writer.rs

@@ -399,11 +399,6 @@ fn write_filter_primitives(
                 yaml_node(&mut table, "type", Yaml::String("component-transfer".into()));
                 filter_input_node(&mut table, "in", component_transfer_primitive.input);
             }
-            FilterPrimitiveKind::Offset(info) => {
-                yaml_node(&mut table, "type", Yaml::String("offset".into()));
-                filter_input_node(&mut table, "in", info.input);
-                vector_node(&mut table, "offset", &info.offset);
-            }
         }
         enum_node(&mut table, "color-space", filter_primitive.color_space);
         filter_primitives.push(Yaml::Hash(table));

wrench/src/yaml_helper.rs

@@ -769,12 +769,6 @@ impl YamlHelper for Yaml {
                         input: self["in"].as_filter_input().unwrap(),
                     })
                 }
-                "offset" => {
-                    FilterPrimitiveKind::Offset(OffsetPrimitive {
-                        input: self["in"].as_filter_input().unwrap(),
-                        offset: self["offset"].as_vector().unwrap(),
-                    })
-                }
                 _ => return None,
             };