1 files changed, 73 insertions, 0 deletions
diff --git a/gfx/layers/wr/AsyncImagePipelineOp.h b/gfx/layers/wr/AsyncImagePipelineOp.h
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+++ b/gfx/layers/wr/AsyncImagePipelineOp.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef MOZILLA_GFX_AsyncImagePipelineOp_H
+#define MOZILLA_GFX_AsyncImagePipelineOp_H
+
+#include <queue>
+
+#include "mozilla/layers/TextureHost.h"
+#include "mozilla/webrender/webrender_ffi.h"
+#include "Units.h"
+
+namespace mozilla {
+
+namespace wr {
+struct Transaction;
+}  // namespace wr
+
+namespace layers {
+
+class AsyncImagePipelineManager;
+class TextureHost;
+
+class AsyncImagePipelineOp {
+ public:
+  enum class Tag {
+    ApplyAsyncImageForPipeline,
+  };
+
+  const Tag mTag;
+
+  AsyncImagePipelineManager* const mAsyncImageManager;
+  const wr::PipelineId mPipelineId;
+  const CompositableTextureHostRef mTextureHost;
+
+ private:
+  AsyncImagePipelineOp(const Tag aTag,
+                       AsyncImagePipelineManager* aAsyncImageManager,
+                       const wr::PipelineId& aPipelineId,
+                       TextureHost* aTextureHost)
+      : mTag(aTag),
+        mAsyncImageManager(aAsyncImageManager),
+        mPipelineId(aPipelineId),
+        mTextureHost(aTextureHost) {
+    MOZ_ASSERT(mTag == Tag::ApplyAsyncImageForPipeline);
+  }
+
+ public:
+  static AsyncImagePipelineOp ApplyAsyncImageForPipeline(
+      AsyncImagePipelineManager* aAsyncImageManager,
+      const wr::PipelineId& aPipelineId, TextureHost* aTextureHost) {
+    return AsyncImagePipelineOp(Tag::ApplyAsyncImageForPipeline,
+                                aAsyncImageManager, aPipelineId, aTextureHost);
+  }
+};
+
+struct AsyncImagePipelineOps {
+  explicit AsyncImagePipelineOps(wr::Transaction* aTransaction)
+      : mTransaction(aTransaction) {}
+
+  void HandleOps(wr::TransactionBuilder& aTxn);
+
+  wr::Transaction* const mTransaction;
+  std::queue<AsyncImagePipelineOp> mList;
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif  // MOZILLA_GFX_AsyncImagePipelineOp_H