mirror of
https://github.com/encounter/engine.git
synced 2026-03-30 11:09:55 -07:00
Chinmay Garde
3c8ef04e91
Some embedders may have to wait on fences asynchronously before committing contents. This allows them to post a task onto the engine managed thread used for rendering.
82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_ENGINE_H_
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#define FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_ENGINE_H_
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#include <memory>
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#include "flutter/fml/macros.h"
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#include "flutter/shell/common/shell.h"
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#include "flutter/shell/common/thread_host.h"
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#include "flutter/shell/platform/embedder/embedder.h"
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#include "flutter/shell/platform/embedder/embedder_engine.h"
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#include "flutter/shell/platform/embedder/embedder_external_texture_gl.h"
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namespace shell {
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// The object that is returned to the embedder as an opaque pointer to the
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// instance of the Flutter engine.
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class EmbedderEngine {
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public:
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EmbedderEngine(ThreadHost thread_host,
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blink::TaskRunners task_runners,
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blink::Settings settings,
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Shell::CreateCallback<PlatformView> on_create_platform_view,
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Shell::CreateCallback<Rasterizer> on_create_rasterizer,
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EmbedderExternalTextureGL::ExternalTextureCallback
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external_texture_callback);
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~EmbedderEngine();
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bool NotifyCreated();
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bool NotifyDestroyed();
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bool Run(RunConfiguration run_configuration);
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bool IsValid() const;
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bool SetViewportMetrics(blink::ViewportMetrics metrics);
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bool DispatchPointerDataPacket(
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std::unique_ptr<blink::PointerDataPacket> packet);
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bool SendPlatformMessage(fml::RefPtr<blink::PlatformMessage> message);
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bool RegisterTexture(int64_t texture);
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bool UnregisterTexture(int64_t texture);
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bool MarkTextureFrameAvailable(int64_t texture);
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bool SetSemanticsEnabled(bool enabled);
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bool SetAccessibilityFeatures(int32_t flags);
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bool DispatchSemanticsAction(int id,
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blink::SemanticsAction action,
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std::vector<uint8_t> args);
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bool OnVsyncEvent(intptr_t baton,
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fml::TimePoint frame_start_time,
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fml::TimePoint frame_target_time);
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bool PostRenderThreadTask(fml::closure task);
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private:
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const ThreadHost thread_host_;
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std::unique_ptr<Shell> shell_;
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const EmbedderExternalTextureGL::ExternalTextureCallback
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external_texture_callback_;
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bool is_valid_ = false;
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uint64_t next_pointer_flow_id_;
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FML_DISALLOW_COPY_AND_ASSIGN(EmbedderEngine);
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};
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} // namespace shell
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#endif // FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_ENGINE_H_
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