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.
4
5 #include "mojo/cc/output_surface_mojo.h"
6
7 #include "cc/output/compositor_frame.h"
8 #include "cc/output/output_surface_client.h"
9 #include "mojo/services/public/cpp/geometry/geometry_type_converters.h"
10 #include "mojo/services/public/cpp/surfaces/surfaces_type_converters.h"
11
12 namespace mojo {
13
OutputSurfaceMojo(OutputSurfaceMojoClient * client,const scoped_refptr<cc::ContextProvider> & context_provider,SurfacePtr surface,uint32_t id_namespace)14 OutputSurfaceMojo::OutputSurfaceMojo(
15 OutputSurfaceMojoClient* client,
16 const scoped_refptr<cc::ContextProvider>& context_provider,
17 SurfacePtr surface,
18 uint32_t id_namespace)
19 : cc::OutputSurface(context_provider),
20 output_surface_mojo_client_(client),
21 surface_(surface.Pass()),
22 id_allocator_(id_namespace) {
23 capabilities_.delegated_rendering = true;
24 capabilities_.max_frames_pending = 1;
25 }
26
~OutputSurfaceMojo()27 OutputSurfaceMojo::~OutputSurfaceMojo() {
28 }
29
ReturnResources(Array<ReturnedResourcePtr> resources)30 void OutputSurfaceMojo::ReturnResources(Array<ReturnedResourcePtr> resources) {
31 }
32
BindToClient(cc::OutputSurfaceClient * client)33 bool OutputSurfaceMojo::BindToClient(cc::OutputSurfaceClient* client) {
34 surface_.set_client(this);
35 return cc::OutputSurface::BindToClient(client);
36 }
37
SwapBuffers(cc::CompositorFrame * frame)38 void OutputSurfaceMojo::SwapBuffers(cc::CompositorFrame* frame) {
39 gfx::Size frame_size =
40 frame->delegated_frame_data->render_pass_list.back()->output_rect.size();
41 if (frame_size != surface_size_) {
42 if (!surface_id_.is_null()) {
43 surface_->DestroySurface(SurfaceId::From(surface_id_));
44 }
45 surface_id_ = id_allocator_.GenerateId();
46 surface_->CreateSurface(SurfaceId::From(surface_id_),
47 Size::From(frame_size));
48 output_surface_mojo_client_->DidCreateSurface(surface_id_);
49 surface_size_ = frame_size;
50 }
51
52 surface_->SubmitFrame(SurfaceId::From(surface_id_), Frame::From(*frame));
53
54 client_->DidSwapBuffers();
55 client_->DidSwapBuffersComplete();
56 }
57
58 } // namespace mojo
59