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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 "services/native_viewport/viewport_surface.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "mojo/converters/geometry/geometry_type_converters.h" | |
9 #include "mojo/converters/surfaces/surfaces_type_converters.h" | |
10 #include "mojo/services/surfaces/public/cpp/surfaces_utils.h" | |
11 #include "ui/gfx/transform.h" | |
12 | |
13 using mojo::Size; | |
14 using mojo::SurfaceId; | |
15 | |
16 static uint32_t kGLES2BoundSurfaceLocalId = 1u; | |
17 | |
18 namespace native_viewport { | |
19 | |
20 ViewportSurface::ViewportSurface(mojo::SurfacePtr surface, | |
21 mojo::Gpu* gpu_service, | |
22 const gfx::Size& size, | |
23 cc::SurfaceId child_id) | |
24 : surface_(surface.Pass()), | |
25 gpu_service_(gpu_service), | |
26 widget_id_(0u), | |
27 size_(size), | |
28 gles2_bound_surface_created_(false), | |
29 child_id_(child_id), | |
30 weak_factory_(this) { | |
31 } | |
32 | |
33 ViewportSurface::~ViewportSurface() { | |
34 } | |
35 | |
36 void ViewportSurface::SetWidgetId(uint64_t widget_id) { | |
37 widget_id_ = widget_id; | |
38 BindSurfaceToNativeViewport(); | |
39 } | |
40 | |
41 void ViewportSurface::SetSize(const gfx::Size& size) { | |
42 if (size_ == size) | |
43 return; | |
44 | |
45 size_ = size; | |
46 if (!gles2_bound_surface_created_) | |
47 return; | |
48 | |
49 surface_->DestroySurface(kGLES2BoundSurfaceLocalId); | |
50 if (widget_id_) | |
51 BindSurfaceToNativeViewport(); | |
52 } | |
53 | |
54 void ViewportSurface::SetChildId(cc::SurfaceId child_id) { | |
55 child_id_ = child_id; | |
56 SubmitFrame(); | |
57 } | |
58 | |
59 void ViewportSurface::BindSurfaceToNativeViewport() { | |
60 mojo::ViewportParameterListenerPtr listener; | |
61 auto listener_request = GetProxy(&listener); | |
62 mojo::CommandBufferPtr command_buffer; | |
63 gpu_service_->CreateOnscreenGLES2Context(widget_id_, Size::From(size_), | |
64 GetProxy(&command_buffer), | |
65 listener.Pass()); | |
66 | |
67 gles2_bound_surface_created_ = true; | |
68 surface_->CreateGLES2BoundSurface(command_buffer.Pass(), | |
69 kGLES2BoundSurfaceLocalId, | |
70 Size::From(size_), listener_request.Pass()); | |
71 | |
72 SubmitFrame(); | |
73 } | |
74 | |
75 void ViewportSurface::SubmitFrame() { | |
76 if (child_id_.is_null() || !gles2_bound_surface_created_) | |
77 return; | |
78 | |
79 auto surface_quad_state = mojo::SurfaceQuadState::New(); | |
80 surface_quad_state->surface = SurfaceId::From(child_id_); | |
81 | |
82 gfx::Rect bounds(size_); | |
83 | |
84 auto surface_quad = mojo::Quad::New(); | |
85 surface_quad->material = mojo::Material::MATERIAL_SURFACE_CONTENT; | |
86 surface_quad->rect = mojo::Rect::From(bounds); | |
87 surface_quad->opaque_rect = mojo::Rect::From(bounds); | |
88 surface_quad->visible_rect = mojo::Rect::From(bounds); | |
89 surface_quad->needs_blending = true; | |
90 surface_quad->shared_quad_state_index = 0; | |
91 surface_quad->surface_quad_state = surface_quad_state.Pass(); | |
92 | |
93 auto pass = CreateDefaultPass(1, *mojo::Rect::From(bounds)); | |
94 | |
95 pass->quads.push_back(surface_quad.Pass()); | |
96 pass->shared_quad_states.push_back(CreateDefaultSQS( | |
97 *mojo::Size::From(size_))); | |
98 | |
99 auto frame = mojo::Frame::New(); | |
100 frame->passes.push_back(pass.Pass()); | |
101 frame->resources.resize(0u); | |
102 surface_->SubmitFrame(kGLES2BoundSurfaceLocalId, frame.Pass(), | |
103 mojo::Closure()); | |
104 } | |
105 | |
106 } // namespace native_viewport | |
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