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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/services/native_viewport/viewport_surface.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "cc/surfaces/surface_id_allocator.h" | |
9 #include "mojo/converters/geometry/geometry_type_converters.h" | |
10 #include "mojo/converters/surfaces/surfaces_type_converters.h" | |
11 #include "mojo/converters/surfaces/surfaces_utils.h" | |
12 #include "ui/gfx/transform.h" | |
13 | |
14 namespace mojo { | |
15 | |
16 ViewportSurface::ViewportSurface(SurfacesService* surfaces_service, | |
17 Gpu* gpu_service, | |
18 const gfx::Size& size, | |
19 cc::SurfaceId child_id) | |
20 : gpu_service_(gpu_service), | |
21 widget_id_(0u), | |
22 size_(size), | |
23 child_id_(child_id), | |
24 weak_factory_(this) { | |
25 surfaces_service->CreateSurfaceConnection( | |
26 base::Bind(&ViewportSurface::OnSurfaceConnectionCreated, | |
27 weak_factory_.GetWeakPtr())); | |
28 } | |
29 | |
30 ViewportSurface::~ViewportSurface() { | |
31 } | |
32 | |
33 void ViewportSurface::SetWidgetId(uint64_t widget_id) { | |
34 widget_id_ = widget_id; | |
35 if (id_allocator_) | |
36 BindSurfaceToNativeViewport(); | |
37 } | |
38 | |
39 void ViewportSurface::SetSize(const gfx::Size& size) { | |
40 if (size_ == size) | |
41 return; | |
42 | |
43 if (id_.is_null()) | |
44 return; | |
45 | |
46 surface_->DestroySurface(SurfaceId::From(id_)); | |
47 if (widget_id_) | |
48 BindSurfaceToNativeViewport(); | |
49 } | |
50 | |
51 void ViewportSurface::SetChildId(cc::SurfaceId child_id) { | |
52 child_id_ = child_id; | |
53 SubmitFrame(); | |
54 } | |
55 | |
56 void ViewportSurface::OnSurfaceConnectionCreated(SurfacePtr surface, | |
57 uint32_t id_namespace) { | |
58 surface_ = surface.Pass(); | |
59 surface_.set_client(this); | |
60 id_allocator_.reset(new cc::SurfaceIdAllocator(id_namespace)); | |
61 if (widget_id_ != 0u) | |
62 BindSurfaceToNativeViewport(); | |
63 } | |
64 | |
65 void ViewportSurface::BindSurfaceToNativeViewport() { | |
66 CommandBufferPtr cb; | |
67 gpu_service_->CreateOnscreenGLES2Context( | |
68 widget_id_, Size::From(size_), GetProxy(&cb)); | |
69 | |
70 id_ = id_allocator_->GenerateId(); | |
71 surface_->CreateGLES2BoundSurface( | |
72 cb.Pass(), SurfaceId::From(id_), Size::From(size_)); | |
73 | |
74 SubmitFrame(); | |
75 } | |
76 | |
77 void ViewportSurface::SubmitFrame() { | |
78 if (child_id_.is_null() || id_.is_null()) | |
79 return; | |
80 | |
81 SurfaceQuadStatePtr surface_quad_state = SurfaceQuadState::New(); | |
82 surface_quad_state->surface = SurfaceId::From(child_id_); | |
83 | |
84 gfx::Rect bounds(size_); | |
85 | |
86 QuadPtr surface_quad = Quad::New(); | |
87 surface_quad->material = Material::MATERIAL_SURFACE_CONTENT; | |
88 surface_quad->rect = Rect::From(bounds); | |
89 surface_quad->opaque_rect = Rect::From(bounds); | |
90 surface_quad->visible_rect = Rect::From(bounds); | |
91 surface_quad->needs_blending = true; | |
92 surface_quad->shared_quad_state_index = 0; | |
93 surface_quad->surface_quad_state = surface_quad_state.Pass(); | |
94 | |
95 PassPtr pass = CreateDefaultPass(1, bounds); | |
96 | |
97 pass->quads.push_back(surface_quad.Pass()); | |
98 pass->shared_quad_states.push_back(CreateDefaultSQS(size_)); | |
99 | |
100 FramePtr frame = Frame::New(); | |
101 frame->passes.push_back(pass.Pass()); | |
102 frame->resources.resize(0u); | |
103 surface_->SubmitFrame(SurfaceId::From(id_), frame.Pass()); | |
104 } | |
105 | |
106 void ViewportSurface::ReturnResources(Array<ReturnedResourcePtr> resources) { | |
107 // We never submit resources so we should never get any back. | |
108 DCHECK_EQ(0u, resources.size()); | |
109 } | |
110 | |
111 } // namespace mojo | |
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