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1 // Copyright (c) 2013 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 "content/browser/aura/no_transport_image_transport_factory.h" | |
6 | |
7 #include "cc/output/context_provider.h" | |
8 #include "content/common/gpu/client/gl_helper.h" | |
9 #include "gpu/command_buffer/client/gles2_interface.h" | |
10 #include "ui/compositor/compositor.h" | |
11 | |
12 namespace content { | |
13 | |
14 namespace { | |
15 | |
16 class FakeTexture : public ui::Texture { | |
17 public: | |
18 FakeTexture(scoped_refptr<cc::ContextProvider> context_provider, | |
19 float device_scale_factor) | |
20 : ui::Texture(false, gfx::Size(), device_scale_factor), | |
21 context_provider_(context_provider), | |
22 texture_(0u) { | |
23 context_provider_->ContextGL()->GenTextures(1, &texture_); | |
24 } | |
25 | |
26 virtual unsigned int PrepareTexture() OVERRIDE { return texture_; } | |
27 | |
28 virtual void Consume(const std::string& mailbox_name, | |
29 const gfx::Size& new_size) OVERRIDE { | |
30 size_ = new_size; | |
31 } | |
32 | |
33 private: | |
34 virtual ~FakeTexture() { | |
35 context_provider_->ContextGL()->DeleteTextures(1, &texture_); | |
36 } | |
37 | |
38 scoped_refptr<cc::ContextProvider> context_provider_; | |
39 unsigned texture_; | |
40 DISALLOW_COPY_AND_ASSIGN(FakeTexture); | |
41 }; | |
42 | |
43 } // anonymous namespace | |
44 | |
45 NoTransportImageTransportFactory::NoTransportImageTransportFactory( | |
46 scoped_ptr<ui::ContextFactory> context_factory) | |
47 : context_factory_(context_factory.Pass()) {} | |
48 | |
49 NoTransportImageTransportFactory::~NoTransportImageTransportFactory() {} | |
50 | |
51 ui::ContextFactory* NoTransportImageTransportFactory::AsContextFactory() { | |
52 return context_factory_.get(); | |
53 } | |
54 | |
55 gfx::GLSurfaceHandle | |
56 NoTransportImageTransportFactory::GetSharedSurfaceHandle() { | |
57 return gfx::GLSurfaceHandle(); | |
58 } | |
59 | |
60 scoped_refptr<ui::Texture> | |
61 NoTransportImageTransportFactory::CreateTransportClient( | |
62 float device_scale_factor) { | |
63 return new FakeTexture(context_factory_->SharedMainThreadContextProvider(), | |
64 device_scale_factor); | |
65 } | |
66 | |
67 scoped_refptr<ui::Texture> NoTransportImageTransportFactory::CreateOwnedTexture( | |
68 const gfx::Size& size, | |
69 float device_scale_factor, | |
70 unsigned int texture_id) { | |
71 return NULL; | |
72 } | |
73 | |
74 GLHelper* NoTransportImageTransportFactory::GetGLHelper() { | |
75 if (!gl_helper_) { | |
76 context_provider_ = context_factory_->SharedMainThreadContextProvider(); | |
77 gl_helper_.reset(new GLHelper(context_provider_->ContextGL(), | |
78 context_provider_->ContextSupport())); | |
79 } | |
80 return gl_helper_.get(); | |
81 } | |
82 | |
83 // We don't generate lost context events, so we don't need to keep track of | |
84 // observers | |
85 void NoTransportImageTransportFactory::AddObserver( | |
86 ImageTransportFactoryObserver* observer) {} | |
87 | |
88 void NoTransportImageTransportFactory::RemoveObserver( | |
89 ImageTransportFactoryObserver* observer) {} | |
90 | |
91 } // namespace content | |
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