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2a4af6906e
This version does not recycle buffers. It is meant only as an initial solution, and the proper buffer recycling logic has been broken out into a separate change
97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
// Copyright 2016 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 FLUTTER_FLOW_MOZART_SCENE_UPDATE_CONTEXT_H_
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#define FLUTTER_FLOW_MOZART_SCENE_UPDATE_CONTEXT_H_
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#include <memory>
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#include <vector>
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#include "flutter/flow/compositor_context.h"
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#include "lib/ftl/build_config.h"
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#include "lib/ftl/logging.h"
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#include "lib/ftl/macros.h"
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#include "third_party/skia/include/core/SkRect.h"
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#include "third_party/skia/include/core/SkSurface.h"
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#if defined(OS_FUCHSIA)
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#include "apps/mozart/services/composition/nodes.fidl.h"
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#include "apps/mozart/services/composition/resources.fidl.h"
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#include "apps/mozart/services/images/image.fidl.h"
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#endif // defined(OS_FUCHSIA)
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namespace mozart {
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class BufferProducer;
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class Node;
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class SceneUpdate;
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} // namespace mozart
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namespace flow {
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class Layer;
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class SceneUpdateContext;
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#if defined(OS_FUCHSIA)
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class SceneUpdateContext {
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public:
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class SurfaceProducer {
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public:
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virtual ~SurfaceProducer() {}
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virtual sk_sp<SkSurface> ProduceSurface(SkISize size,
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mozart::ImagePtr* out_image) = 0;
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};
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SceneUpdateContext(mozart::SceneUpdate* update,
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SurfaceProducer* surface_producer);
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~SceneUpdateContext();
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mozart::SceneUpdate* update() const { return update_; }
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void AddLayerToCurrentPaintTask(Layer* layer);
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void FinalizeCurrentPaintTaskIfNeeded(mozart::Node* container,
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const SkMatrix& ctm);
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uint32_t AddResource(mozart::ResourcePtr resource);
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void AddChildNode(mozart::Node* container, mozart::NodePtr child);
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void ExecutePaintTasks(CompositorContext::ScopedFrame& frame);
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private:
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mozart::NodePtr FinalizeCurrentPaintTask(const SkMatrix& ctm);
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struct CurrentPaintTask {
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CurrentPaintTask();
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void Clear();
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SkRect bounds;
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std::vector<Layer*> layers;
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};
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struct PaintTask {
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sk_sp<SkSurface> surface;
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SkScalar left;
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SkScalar top;
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SkScalar scaleX;
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SkScalar scaleY;
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std::vector<Layer*> layers;
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};
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mozart::SceneUpdate* update_;
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SurfaceProducer* surface_producer_;
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CurrentPaintTask current_paint_task_;
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std::vector<PaintTask> paint_tasks_;
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uint32_t next_resource_id_ = 1;
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uint32_t next_node_id_ = 1;
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FTL_DISALLOW_COPY_AND_ASSIGN(SceneUpdateContext);
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};
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#endif // defined(OS_FUCHSIA)
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} // namespace flow
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#endif // FLUTTER_FLOW_MOZART_SCENE_UPDATE_CONTEXT_H_
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