gfx/layers/ipc/ShadowLayerUtilsD3D10.cpp@97036ab72558 (annotated)
gfx/layers/ipc/ShadowLayerUtilsD3D10.cpp
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * vim: sw=2 ts=8 et : |
| michael@0 | 3 | */ |
| michael@0 | 4 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 5 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 6 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 7 | |
| michael@0 | 8 | #include <d3d10_1.h> |
| michael@0 | 9 | #include <dxgi.h> |
| michael@0 | 10 | |
| michael@0 | 11 | #include "mozilla/gfx/Point.h" |
| michael@0 | 12 | #include "mozilla/layers/LayerManagerComposite.h" |
| michael@0 | 13 | #include "mozilla/layers/PLayerTransaction.h" |
| michael@0 | 14 | #include "ShadowLayers.h" |
| michael@0 | 15 | |
| michael@0 | 16 | using namespace mozilla::gl; |
| michael@0 | 17 | |
| michael@0 | 18 | namespace mozilla { |
| michael@0 | 19 | namespace layers { |
| michael@0 | 20 | |
| michael@0 | 21 | |
| michael@0 | 22 | /*static*/ void |
| michael@0 | 23 | ShadowLayerForwarder::PlatformSyncBeforeUpdate() |
| michael@0 | 24 | { |
| michael@0 | 25 | } |
| michael@0 | 26 | |
| michael@0 | 27 | /*static*/ bool |
| michael@0 | 28 | LayerManagerComposite::SupportsDirectTexturing() |
| michael@0 | 29 | { |
| michael@0 | 30 | return true; |
| michael@0 | 31 | } |
| michael@0 | 32 | |
| michael@0 | 33 | /*static*/ void |
| michael@0 | 34 | LayerManagerComposite::PlatformSyncBeforeReplyUpdate() |
| michael@0 | 35 | { |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | bool |
| michael@0 | 39 | GetDescriptor(ID3D10Texture2D* aTexture, SurfaceDescriptorD3D10* aDescr) |
| michael@0 | 40 | { |
| michael@0 | 41 | NS_ABORT_IF_FALSE(aTexture && aDescr, "Params must be nonnull"); |
| michael@0 | 42 | |
| michael@0 | 43 | HRESULT hr; |
| michael@0 | 44 | IDXGIResource* dr = nullptr; |
| michael@0 | 45 | hr = aTexture->QueryInterface(__uuidof(IDXGIResource), (void**)&dr); |
| michael@0 | 46 | if (!SUCCEEDED(hr) || !dr) |
| michael@0 | 47 | return false; |
| michael@0 | 48 | |
| michael@0 | 49 | hr = dr->GetSharedHandle(reinterpret_cast<HANDLE*>(&aDescr->handle())); |
| michael@0 | 50 | return !!SUCCEEDED(hr); |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | already_AddRefed<ID3D10Texture2D> |
| michael@0 | 54 | OpenForeign(ID3D10Device* aDevice, const SurfaceDescriptorD3D10& aDescr) |
| michael@0 | 55 | { |
| michael@0 | 56 | HRESULT hr; |
| michael@0 | 57 | ID3D10Texture2D* tex = nullptr; |
| michael@0 | 58 | hr = aDevice->OpenSharedResource(reinterpret_cast<HANDLE>(aDescr.handle()), |
| michael@0 | 59 | __uuidof(ID3D10Texture2D), |
| michael@0 | 60 | (void**)&tex); |
| michael@0 | 61 | if (!SUCCEEDED(hr) || !tex) |
| michael@0 | 62 | return nullptr; |
| michael@0 | 63 | |
| michael@0 | 64 | return nsRefPtr<ID3D10Texture2D>(tex).forget(); |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | } // namespace layers |
| michael@0 | 68 | } // namespace mozilla |
