1 files changed, 175 insertions, 0 deletions
diff --git a/gfx/wr/webrender/src/prim_store/backdrop.rs b/gfx/wr/webrender/src/prim_store/backdrop.rs
new file mode 100644
index 0000000000..7c106e47bc
--- /dev/null
+++ b/gfx/wr/webrender/src/prim_store/backdrop.rs
@@ -0,0 +1,175 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use api::units::*;
+use crate::intern::{Internable, InternDebug, Handle as InternHandle};
+use crate::internal_types::LayoutPrimitiveInfo;
+use crate::prim_store::{
+    InternablePrimitive, PrimitiveInstanceKind, PrimKey, PrimTemplate,
+    PrimTemplateCommonData, PrimitiveStore, PictureIndex,
+};
+use crate::scene_building::IsVisible;
+
+#[cfg_attr(feature = "capture", derive(Serialize))]
+#[cfg_attr(feature = "replay", derive(Deserialize))]
+#[derive(Debug, Clone, Eq, PartialEq, MallocSizeOf, Hash)]
+pub struct BackdropCapture {
+}
+
+#[cfg_attr(feature = "capture", derive(Serialize))]
+#[cfg_attr(feature = "replay", derive(Deserialize))]
+#[derive(Debug, Clone, Eq, PartialEq, MallocSizeOf, Hash)]
+pub struct BackdropRender {
+}
+
+impl From<BackdropCapture> for BackdropCaptureData {
+    fn from(_backdrop: BackdropCapture) -> Self {
+        BackdropCaptureData {
+        }
+    }
+}
+
+impl From<BackdropRender> for BackdropRenderData {
+    fn from(_backdrop: BackdropRender) -> Self {
+        BackdropRenderData {
+        }
+    }
+}
+
+pub type BackdropCaptureKey = PrimKey<BackdropCapture>;
+pub type BackdropRenderKey = PrimKey<BackdropRender>;
+
+impl BackdropCaptureKey {
+    pub fn new(
+        info: &LayoutPrimitiveInfo,
+        backdrop_capture: BackdropCapture,
+    ) -> Self {
+        BackdropCaptureKey {
+            common: info.into(),
+            kind: backdrop_capture,
+        }
+    }
+}
+
+impl BackdropRenderKey {
+    pub fn new(
+        info: &LayoutPrimitiveInfo,
+        backdrop_render: BackdropRender,
+    ) -> Self {
+        BackdropRenderKey {
+            common: info.into(),
+            kind: backdrop_render,
+        }
+    }
+}
+
+impl InternDebug for BackdropCaptureKey {}
+impl InternDebug for BackdropRenderKey {}
+
+#[cfg_attr(feature = "capture", derive(Serialize))]
+#[cfg_attr(feature = "replay", derive(Deserialize))]
+#[derive(Debug, MallocSizeOf)]
+pub struct BackdropCaptureData {
+}
+
+#[cfg_attr(feature = "capture", derive(Serialize))]
+#[cfg_attr(feature = "replay", derive(Deserialize))]
+#[derive(Debug, MallocSizeOf)]
+pub struct BackdropRenderData {
+}
+
+pub type BackdropCaptureTemplate = PrimTemplate<BackdropCaptureData>;
+pub type BackdropRenderTemplate = PrimTemplate<BackdropRenderData>;
+
+impl From<BackdropCaptureKey> for BackdropCaptureTemplate {
+    fn from(backdrop: BackdropCaptureKey) -> Self {
+        let common = PrimTemplateCommonData::with_key_common(backdrop.common);
+
+        BackdropCaptureTemplate {
+            common,
+            kind: backdrop.kind.into(),
+        }
+    }
+}
+
+impl From<BackdropRenderKey> for BackdropRenderTemplate {
+    fn from(backdrop: BackdropRenderKey) -> Self {
+        let common = PrimTemplateCommonData::with_key_common(backdrop.common);
+
+        BackdropRenderTemplate {
+            common,
+            kind: backdrop.kind.into(),
+        }
+    }
+}
+
+pub type BackdropCaptureDataHandle = InternHandle<BackdropCapture>;
+pub type BackdropRenderDataHandle = InternHandle<BackdropRender>;
+
+impl Internable for BackdropCapture {
+    type Key = BackdropCaptureKey;
+    type StoreData = BackdropCaptureTemplate;
+    type InternData = ();
+    const PROFILE_COUNTER: usize = crate::profiler::INTERNED_BACKDROP_CAPTURES;
+}
+
+impl Internable for BackdropRender {
+    type Key = BackdropRenderKey;
+    type StoreData = BackdropRenderTemplate;
+    type InternData = ();
+    const PROFILE_COUNTER: usize = crate::profiler::INTERNED_BACKDROP_RENDERS;
+}
+
+impl InternablePrimitive for BackdropCapture {
+    fn into_key(
+        self,
+        info: &LayoutPrimitiveInfo,
+    ) -> BackdropCaptureKey {
+        BackdropCaptureKey::new(info, self)
+    }
+
+    fn make_instance_kind(
+        _key: BackdropCaptureKey,
+        data_handle: BackdropCaptureDataHandle,
+        _prim_store: &mut PrimitiveStore,
+        _reference_frame_relative_offset: LayoutVector2D,
+    ) -> PrimitiveInstanceKind {
+        PrimitiveInstanceKind::BackdropCapture {
+            data_handle,
+        }
+    }
+}
+
+impl InternablePrimitive for BackdropRender {
+    fn into_key(
+        self,
+        info: &LayoutPrimitiveInfo,
+    ) -> BackdropRenderKey {
+        BackdropRenderKey::new(info, self)
+    }
+
+    fn make_instance_kind(
+        _key: BackdropRenderKey,
+        data_handle: BackdropRenderDataHandle,
+        _prim_store: &mut PrimitiveStore,
+        _reference_frame_relative_offset: LayoutVector2D,
+    ) -> PrimitiveInstanceKind {
+        PrimitiveInstanceKind::BackdropRender {
+            data_handle,
+            pic_index: PictureIndex::INVALID,
+        }
+    }
+}
+
+impl IsVisible for BackdropCapture {
+    fn is_visible(&self) -> bool {
+        true
+    }
+}
+
+impl IsVisible for BackdropRender {
+    fn is_visible(&self) -> bool {
+        true
+    }
+}