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58e84c8bf0
* Re-land "Support multiple shells in a single process. (#4932)" This reverts commit 723c7d01439da4261bc836075fb55651ce9e7f03.
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
// Copyright 2015 The Chromium 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 SHELL_COMMON_RASTERIZER_H_
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#define SHELL_COMMON_RASTERIZER_H_
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#include <memory>
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#include "flutter/common/task_runners.h"
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#include "flutter/flow/layers/layer_tree.h"
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#include "flutter/fml/memory/weak_ptr.h"
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#include "flutter/shell/common/surface.h"
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#include "flutter/synchronization/pipeline.h"
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#include "lib/fxl/functional/closure.h"
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#include "lib/fxl/synchronization/waitable_event.h"
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namespace shell {
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class Rasterizer final {
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public:
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Rasterizer(blink::TaskRunners task_runners);
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~Rasterizer();
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void Setup(std::unique_ptr<Surface> surface);
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void Teardown();
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fml::WeakPtr<Rasterizer> GetWeakPtr() const;
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flow::LayerTree* GetLastLayerTree();
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void DrawLastLayerTree();
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flow::TextureRegistry* GetTextureRegistry();
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void Draw(fxl::RefPtr<flutter::Pipeline<flow::LayerTree>> pipeline);
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enum class ScreenshotType {
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SkiaPicture,
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UncompressedImage, // In kN32_SkColorType format
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CompressedImage,
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};
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struct Screenshot {
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sk_sp<SkData> data;
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SkISize frame_size = SkISize::MakeEmpty();
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Screenshot() {}
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Screenshot(sk_sp<SkData> p_data, SkISize p_size)
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: data(std::move(p_data)), frame_size(p_size) {}
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};
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Screenshot ScreenshotLastLayerTree(ScreenshotType type, bool base64_encode);
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// Sets a callback that will be executed after the next frame is submitted to
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// the surface on the GPU task runner.
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void SetNextFrameCallback(fxl::Closure callback);
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private:
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blink::TaskRunners task_runners_;
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std::unique_ptr<Surface> surface_;
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std::unique_ptr<flow::CompositorContext> compositor_context_;
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std::unique_ptr<flow::LayerTree> last_layer_tree_;
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fxl::Closure next_frame_callback_;
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fml::WeakPtr<Rasterizer> weak_prototype_;
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fml::WeakPtrFactory<Rasterizer> weak_factory_;
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void DoDraw(std::unique_ptr<flow::LayerTree> layer_tree);
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bool DrawToSurface(flow::LayerTree& layer_tree);
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void FireNextFrameCallbackIfPresent();
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FXL_DISALLOW_COPY_AND_ASSIGN(Rasterizer);
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};
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} // namespace shell
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#endif // SHELL_COMMON_RASTERIZER_H_
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