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b9ff394182
Instead, make Layer::Paint take a new PaintContext that has just exactly the state that it needs, mirroring PrerollContext. Also, rename PaintContext to CompositorContext because it holds the context for the whole compositor.
59 lines
1.7 KiB
C++
59 lines
1.7 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 "flow/compositor_context.h"
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#include "base/logging.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() {
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}
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CompositorContext::~CompositorContext() {
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}
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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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CompositorContext::ScopedFrame CompositorContext::AcquireFrame(
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GrContext* gr_context, SkCanvas& canvas, bool instrumentation_enabled) {
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return ScopedFrame(*this, gr_context, canvas, 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), gr_context_(gr_context), 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(ScopedFrame&& frame) = default;
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CompositorContext::ScopedFrame::~ScopedFrame() {
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context_.EndFrame(*this, instrumentation_enabled_);
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}
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void CompositorContext::OnGrContextDestroyed() {
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raster_cache_.Clear();
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}
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} // namespace flow
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