/src/mozilla-central/gfx/webrender_bindings/RenderCompositorOGL.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 "RenderCompositorOGL.h" |
8 | | |
9 | | #include "GLContext.h" |
10 | | #include "GLContextProvider.h" |
11 | | #include "mozilla/widget/CompositorWidget.h" |
12 | | |
13 | | namespace mozilla { |
14 | | namespace wr { |
15 | | |
16 | | /* static */ UniquePtr<RenderCompositor> |
17 | | RenderCompositorOGL::Create(RefPtr<widget::CompositorWidget>&& aWidget) |
18 | 0 | { |
19 | 0 | RefPtr<gl::GLContext> gl; |
20 | 0 | gl = gl::GLContextProvider::CreateForCompositorWidget(aWidget, true); |
21 | 0 | if (!gl || !gl->MakeCurrent()) { |
22 | 0 | gfxCriticalNote << "Failed GL context creation for WebRender: " << gfx::hexa(gl.get()); |
23 | 0 | return nullptr; |
24 | 0 | } |
25 | 0 | return MakeUnique<RenderCompositorOGL>(std::move(gl), std::move(aWidget)); |
26 | 0 | } |
27 | | |
28 | | RenderCompositorOGL::RenderCompositorOGL(RefPtr<gl::GLContext>&& aGL, |
29 | | RefPtr<widget::CompositorWidget>&& aWidget) |
30 | | : RenderCompositor(std::move(aWidget)) |
31 | | , mGL(aGL) |
32 | 0 | { |
33 | 0 | MOZ_ASSERT(mGL); |
34 | 0 | } |
35 | | |
36 | | RenderCompositorOGL::~RenderCompositorOGL() |
37 | 0 | { |
38 | 0 | } |
39 | | |
40 | | bool |
41 | | RenderCompositorOGL::BeginFrame() |
42 | 0 | { |
43 | 0 | if (!mGL->MakeCurrent()) { |
44 | 0 | gfxCriticalNote << "Failed to make render context current, can't draw."; |
45 | 0 | return false; |
46 | 0 | } |
47 | 0 | return true; |
48 | 0 | } |
49 | | |
50 | | void |
51 | | RenderCompositorOGL::EndFrame() |
52 | 0 | { |
53 | 0 | mGL->SwapBuffers(); |
54 | 0 | } |
55 | | |
56 | | void |
57 | | RenderCompositorOGL::Pause() |
58 | 0 | { |
59 | | #ifdef MOZ_WIDGET_ANDROID |
60 | | if (!mGL || mGL->IsDestroyed()) { |
61 | | return; |
62 | | } |
63 | | // ReleaseSurface internally calls MakeCurrent. |
64 | | mGL->ReleaseSurface(); |
65 | | #endif |
66 | | } |
67 | | |
68 | | bool |
69 | | RenderCompositorOGL::Resume() |
70 | 0 | { |
71 | | #ifdef MOZ_WIDGET_ANDROID |
72 | | if (!mGL || mGL->IsDestroyed()) { |
73 | | return false; |
74 | | } |
75 | | // RenewSurface internally calls MakeCurrent. |
76 | | return mGL->RenewSurface(mWidget); |
77 | | #else |
78 | | return true; |
79 | 0 | #endif |
80 | 0 | } |
81 | | |
82 | | LayoutDeviceIntSize |
83 | | RenderCompositorOGL::GetBufferSize() |
84 | 0 | { |
85 | 0 | return mWidget->GetClientSize(); |
86 | 0 | } |
87 | | |
88 | | |
89 | | } // namespace wr |
90 | | } // namespace mozilla |