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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/examples/surfaces_app/child_impl.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "cc/output/compositor_frame.h" | |
9 #include "cc/output/delegated_frame_data.h" | |
10 #include "cc/quads/render_pass.h" | |
11 #include "cc/quads/solid_color_draw_quad.h" | |
12 #include "mojo/converters/geometry/geometry_type_converters.h" | |
13 #include "mojo/converters/surfaces/surfaces_type_converters.h" | |
14 #include "mojo/examples/surfaces_app/surfaces_util.h" | |
15 #include "mojo/public/cpp/application/application_connection.h" | |
16 #include "mojo/services/public/interfaces/surfaces/surface_id.mojom.h" | |
17 #include "mojo/services/public/interfaces/surfaces/surfaces.mojom.h" | |
18 #include "ui/gfx/rect.h" | |
19 #include "ui/gfx/transform.h" | |
20 | |
21 namespace mojo { | |
22 namespace examples { | |
23 | |
24 using cc::RenderPass; | |
25 using cc::RenderPassId; | |
26 using cc::DrawQuad; | |
27 using cc::SolidColorDrawQuad; | |
28 using cc::DelegatedFrameData; | |
29 using cc::CompositorFrame; | |
30 | |
31 ChildImpl::ChildImpl(ApplicationConnection* surfaces_service_connection) | |
32 : weak_factory_(this) { | |
33 surfaces_service_connection->ConnectToService(&surfaces_service_); | |
34 surfaces_service_->CreateSurfaceConnection(base::Bind( | |
35 &ChildImpl::SurfaceConnectionCreated, weak_factory_.GetWeakPtr())); | |
36 } | |
37 | |
38 ChildImpl::~ChildImpl() { | |
39 if (surface_) | |
40 surface_->DestroySurface(mojo::SurfaceId::From(id_)); | |
41 } | |
42 | |
43 void ChildImpl::ProduceFrame( | |
44 ColorPtr color, | |
45 SizePtr size, | |
46 const mojo::Callback<void(SurfaceIdPtr id)>& callback) { | |
47 color_ = color.To<SkColor>(); | |
48 size_ = size.To<gfx::Size>(); | |
49 produce_callback_ = callback; | |
50 if (allocator_) | |
51 Draw(); | |
52 } | |
53 | |
54 void ChildImpl::SurfaceConnectionCreated(SurfacePtr surface, | |
55 uint32_t id_namespace) { | |
56 surface_ = surface.Pass(); | |
57 surface_.set_client(this); | |
58 allocator_.reset(new cc::SurfaceIdAllocator(id_namespace)); | |
59 if (!produce_callback_.is_null()) | |
60 Draw(); | |
61 } | |
62 | |
63 void ChildImpl::ReturnResources( | |
64 Array<ReturnedResourcePtr> resources) { | |
65 DCHECK(!resources.size()); | |
66 } | |
67 | |
68 void ChildImpl::Draw() { | |
69 id_ = allocator_->GenerateId(); | |
70 surface_->CreateSurface(mojo::SurfaceId::From(id_), | |
71 mojo::Size::From(size_)); | |
72 gfx::Rect rect(size_); | |
73 RenderPassId id(1, 1); | |
74 scoped_ptr<RenderPass> pass = RenderPass::Create(); | |
75 pass->SetNew(id, rect, rect, gfx::Transform()); | |
76 | |
77 CreateAndAppendSimpleSharedQuadState(pass.get(), gfx::Transform(), size_); | |
78 | |
79 SolidColorDrawQuad* color_quad = | |
80 pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>(); | |
81 bool force_anti_aliasing_off = false; | |
82 color_quad->SetNew(pass->shared_quad_state_list.back(), | |
83 rect, | |
84 rect, | |
85 color_, | |
86 force_anti_aliasing_off); | |
87 | |
88 scoped_ptr<DelegatedFrameData> delegated_frame_data(new DelegatedFrameData); | |
89 delegated_frame_data->render_pass_list.push_back(pass.Pass()); | |
90 | |
91 scoped_ptr<CompositorFrame> frame(new CompositorFrame); | |
92 frame->delegated_frame_data = delegated_frame_data.Pass(); | |
93 | |
94 surface_->SubmitFrame(mojo::SurfaceId::From(id_), | |
95 mojo::Frame::From(*frame)); | |
96 produce_callback_.Run(SurfaceId::From(id_)); | |
97 } | |
98 | |
99 } // namespace examples | |
100 } // namespace mojo | |
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