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58e84c8bf0
* Re-land "Support multiple shells in a single process. (#4932)" This reverts commit 723c7d01439da4261bc836075fb55651ce9e7f03.
72 lines
2.2 KiB
C++
72 lines
2.2 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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#include "flutter/flow/compositor_context.h"
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#include "flutter/flow/layers/layer_tree.h"
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#include "third_party/skia/include/core/SkCanvas.h"
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namespace flow {
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CompositorContext::CompositorContext() = default;
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CompositorContext::~CompositorContext() = default;
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void CompositorContext::BeginFrame(ScopedFrame& frame,
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bool enable_instrumentation) {
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if (enable_instrumentation) {
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frame_count_.Increment();
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frame_time_.Start();
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}
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}
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void CompositorContext::EndFrame(ScopedFrame& frame,
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bool enable_instrumentation) {
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raster_cache_.SweepAfterFrame();
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if (enable_instrumentation) {
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frame_time_.Stop();
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}
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}
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std::unique_ptr<CompositorContext::ScopedFrame> CompositorContext::AcquireFrame(
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GrContext* gr_context,
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SkCanvas* canvas,
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bool instrumentation_enabled) {
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return std::make_unique<ScopedFrame>(*this, gr_context, canvas,
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instrumentation_enabled);
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}
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CompositorContext::ScopedFrame::ScopedFrame(CompositorContext& context,
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GrContext* gr_context,
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SkCanvas* canvas,
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bool instrumentation_enabled)
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: context_(context),
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gr_context_(gr_context),
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canvas_(canvas),
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instrumentation_enabled_(instrumentation_enabled) {
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context_.BeginFrame(*this, instrumentation_enabled_);
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}
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CompositorContext::ScopedFrame::~ScopedFrame() {
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context_.EndFrame(*this, instrumentation_enabled_);
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}
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bool CompositorContext::ScopedFrame::Raster(flow::LayerTree& layer_tree,
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bool ignore_raster_cache) {
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layer_tree.Preroll(*this, ignore_raster_cache);
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layer_tree.Paint(*this);
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return true;
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}
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void CompositorContext::OnGrContextCreated() {
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texture_registry_.OnGrContextCreated();
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}
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void CompositorContext::OnGrContextDestroyed() {
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texture_registry_.OnGrContextDestroyed();
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raster_cache_.Clear();
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}
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} // namespace flow
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