| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "platform/graphics/CanvasSurfaceLayerBridge.h" |
| |
| #include "cc/layers/surface_layer.h" |
| #include "cc/surfaces/surface_id.h" |
| #include "cc/surfaces/surface_sequence.h" |
| #include "platform/graphics/GraphicsLayer.h" |
| #include "platform/mojo/MojoHelper.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebCompositorSupport.h" |
| #include "public/platform/WebLayer.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "wtf/Functional.h" |
| |
| namespace blink { |
| |
| CanvasSurfaceLayerBridge::CanvasSurfaceLayerBridge( |
| mojom::blink::OffscreenCanvasSurfacePtr service) |
| : m_service(std::move(service)) {} |
| |
| CanvasSurfaceLayerBridge::~CanvasSurfaceLayerBridge() {} |
| |
| bool CanvasSurfaceLayerBridge::createSurfaceLayer(int canvasWidth, |
| int canvasHeight) { |
| if (!m_service->GetSurfaceId(&m_surfaceId)) |
| return false; |
| |
| cc::SurfaceLayer::SatisfyCallback satisfyCallback = |
| convertToBaseCallback(WTF::bind( |
| &CanvasSurfaceLayerBridge::satisfyCallback, WTF::unretained(this))); |
| cc::SurfaceLayer::RequireCallback requireCallback = |
| convertToBaseCallback(WTF::bind( |
| &CanvasSurfaceLayerBridge::requireCallback, WTF::unretained(this))); |
| m_surfaceLayer = cc::SurfaceLayer::Create(std::move(satisfyCallback), |
| std::move(requireCallback)); |
| m_surfaceLayer->SetSurfaceId(m_surfaceId, 1.f, |
| gfx::Size(canvasWidth, canvasHeight), |
| true /* scale layer bounds with surface size */); |
| |
| m_webLayer = Platform::current()->compositorSupport()->createLayerFromCCLayer( |
| m_surfaceLayer.get()); |
| GraphicsLayer::registerContentsLayer(m_webLayer.get()); |
| return true; |
| } |
| |
| void CanvasSurfaceLayerBridge::satisfyCallback( |
| const cc::SurfaceSequence& sequence) { |
| m_service->Satisfy(sequence); |
| } |
| |
| void CanvasSurfaceLayerBridge::requireCallback( |
| const cc::SurfaceId& surfaceId, |
| const cc::SurfaceSequence& sequence) { |
| m_service->Require(surfaceId, sequence); |
| } |
| |
| } // namespace blink |