/src/mozilla-central/gfx/layers/composite/X11TextureHost.cpp
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1 | | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 | | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
3 | | /* This Source Code Form is subject to the terms of the Mozilla Public |
4 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
5 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | #include "X11TextureHost.h" |
8 | | #include "mozilla/layers/BasicCompositor.h" |
9 | | #include "mozilla/layers/X11TextureSourceBasic.h" |
10 | | #include "mozilla/layers/CompositorOGL.h" |
11 | | #include "mozilla/layers/X11TextureSourceOGL.h" |
12 | | #include "gfxXlibSurface.h" |
13 | | #include "gfx2DGlue.h" |
14 | | |
15 | | namespace mozilla { |
16 | | namespace layers { |
17 | | |
18 | | using namespace mozilla::gfx; |
19 | | |
20 | | X11TextureHost::X11TextureHost(TextureFlags aFlags, |
21 | | const SurfaceDescriptorX11& aDescriptor) |
22 | | : TextureHost(aFlags) |
23 | 0 | { |
24 | 0 | mSurface = aDescriptor.OpenForeign(); |
25 | 0 |
|
26 | 0 | if (mSurface && !(aFlags & TextureFlags::DEALLOCATE_CLIENT)) { |
27 | 0 | mSurface->TakePixmap(); |
28 | 0 | } |
29 | 0 | } |
30 | | |
31 | | bool |
32 | | X11TextureHost::Lock() |
33 | 0 | { |
34 | 0 | if (!mCompositor || !mSurface) { |
35 | 0 | return false; |
36 | 0 | } |
37 | 0 | |
38 | 0 | if (!mTextureSource) { |
39 | 0 | switch (mCompositor->GetBackendType()) { |
40 | 0 | case LayersBackend::LAYERS_BASIC: |
41 | 0 | mTextureSource = |
42 | 0 | new X11TextureSourceBasic(mCompositor->AsBasicCompositor(), mSurface); |
43 | 0 | break; |
44 | 0 | case LayersBackend::LAYERS_OPENGL: |
45 | 0 | mTextureSource = |
46 | 0 | new X11TextureSourceOGL(mCompositor->AsCompositorOGL(), mSurface); |
47 | 0 | break; |
48 | 0 | default: |
49 | 0 | return false; |
50 | 0 | } |
51 | 0 | } |
52 | 0 | |
53 | 0 | return true; |
54 | 0 | } |
55 | | |
56 | | void |
57 | | X11TextureHost::SetTextureSourceProvider(TextureSourceProvider* aProvider) |
58 | 0 | { |
59 | 0 | mProvider = aProvider; |
60 | 0 | if (mProvider) { |
61 | 0 | mCompositor = mProvider->AsCompositor(); |
62 | 0 | } else { |
63 | 0 | mCompositor = nullptr; |
64 | 0 | } |
65 | 0 | if (mTextureSource) { |
66 | 0 | mTextureSource->SetTextureSourceProvider(aProvider); |
67 | 0 | } |
68 | 0 | } |
69 | | |
70 | | SurfaceFormat |
71 | | X11TextureHost::GetFormat() const |
72 | 0 | { |
73 | 0 | if (!mSurface) { |
74 | 0 | return SurfaceFormat::UNKNOWN; |
75 | 0 | } |
76 | 0 | gfxContentType type = mSurface->GetContentType(); |
77 | 0 | if (mCompositor->GetBackendType() == LayersBackend::LAYERS_OPENGL) { |
78 | 0 | return X11TextureSourceOGL::ContentTypeToSurfaceFormat(type); |
79 | 0 | } |
80 | 0 | return X11TextureSourceBasic::ContentTypeToSurfaceFormat(type); |
81 | 0 | } |
82 | | |
83 | | IntSize |
84 | | X11TextureHost::GetSize() const |
85 | 0 | { |
86 | 0 | if (!mSurface) { |
87 | 0 | return IntSize(); |
88 | 0 | } |
89 | 0 | return mSurface->GetSize(); |
90 | 0 | } |
91 | | |
92 | | already_AddRefed<gfx::DataSourceSurface> |
93 | | X11TextureHost::GetAsSurface() |
94 | 0 | { |
95 | 0 | if (!mTextureSource || !mTextureSource->AsSourceBasic()) { |
96 | 0 | return nullptr; |
97 | 0 | } |
98 | 0 | RefPtr<DrawTarget> tempDT = |
99 | 0 | gfxPlatform::GetPlatform()->CreateOffscreenContentDrawTarget( |
100 | 0 | GetSize(), GetFormat()); |
101 | 0 | if (!tempDT) { |
102 | 0 | return nullptr; |
103 | 0 | } |
104 | 0 | RefPtr<SourceSurface> surf = mTextureSource->AsSourceBasic()->GetSurface(tempDT); |
105 | 0 | if (!surf) { |
106 | 0 | return nullptr; |
107 | 0 | } |
108 | 0 | return surf->GetDataSurface(); |
109 | 0 | } |
110 | | |
111 | | } |
112 | | } |