1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "content/browser/compositor/surface_display_output_surface.h"
7 #include "cc/output/compositor_frame.h"
8 #include "cc/output/compositor_frame_ack.h"
9 #include "cc/surfaces/display.h"
10 #include "cc/surfaces/surface.h"
11 #include "cc/surfaces/surface_manager.h"
15 SurfaceDisplayOutputSurface::SurfaceDisplayOutputSurface(
16 cc::SurfaceManager* surface_manager,
17 uint32_t surface_id_namespace,
18 const scoped_refptr<cc::ContextProvider>& context_provider)
19 : cc::OutputSurface(context_provider,
20 scoped_ptr<cc::SoftwareOutputDevice>()),
22 surface_manager_(surface_manager),
23 factory_(surface_manager, this),
24 allocator_(surface_id_namespace) {
25 capabilities_.delegated_rendering = true;
26 capabilities_.max_frames_pending = 1;
29 SurfaceDisplayOutputSurface::~SurfaceDisplayOutputSurface() {
31 if (!surface_id_.is_null()) {
32 factory_.Destroy(surface_id_);
36 void SurfaceDisplayOutputSurface::ReceivedVSyncParameters(
37 base::TimeTicks timebase,
38 base::TimeDelta interval) {
39 CommitVSyncParameters(timebase, interval);
42 void SurfaceDisplayOutputSurface::SwapBuffers(cc::CompositorFrame* frame) {
43 gfx::Size frame_size =
44 frame->delegated_frame_data->render_pass_list.back()->output_rect.size();
45 if (frame_size != display_size_) {
46 if (!surface_id_.is_null()) {
47 factory_.Destroy(surface_id_);
49 surface_id_ = allocator_.GenerateId();
50 factory_.Create(surface_id_, frame_size);
51 display_size_ = frame_size;
52 display_->Resize(surface_id_, frame_size);
55 scoped_ptr<cc::CompositorFrame> frame_copy(new cc::CompositorFrame());
56 frame->AssignTo(frame_copy.get());
60 base::Bind(&SurfaceDisplayOutputSurface::SwapBuffersComplete,
61 base::Unretained(this)));
63 client_->DidSwapBuffers();
66 void SurfaceDisplayOutputSurface::ReturnResources(
67 const cc::ReturnedResourceArray& resources) {
68 cc::CompositorFrameAck ack;
69 ack.resources = resources;
71 client_->ReclaimResources(&ack);
74 void SurfaceDisplayOutputSurface::SwapBuffersComplete() {
75 client_->DidSwapBuffersComplete();
78 } // namespace content