gfx/layers/d3d10/ReadbackManagerD3D10.h@129ffea94266 (annotated)
gfx/layers/d3d10/ReadbackManagerD3D10.h
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef GFX_READBACKMANAGERD3D10_H |
| michael@0 | 7 | #define GFX_READBACKMANAGERD3D10_H |
| michael@0 | 8 | |
| michael@0 | 9 | #include <windows.h> |
| michael@0 | 10 | #include <d3d10_1.h> |
| michael@0 | 11 | |
| michael@0 | 12 | #include "nsTArray.h" |
| michael@0 | 13 | #include "nsAutoPtr.h" |
| michael@0 | 14 | #include "gfxPoint.h" |
| michael@0 | 15 | |
| michael@0 | 16 | namespace mozilla { |
| michael@0 | 17 | namespace layers { |
| michael@0 | 18 | |
| michael@0 | 19 | DWORD WINAPI StartTaskThread(void *aManager); |
| michael@0 | 20 | |
| michael@0 | 21 | struct ReadbackTask; |
| michael@0 | 22 | |
| michael@0 | 23 | class ReadbackManagerD3D10 MOZ_FINAL : public IUnknown |
| michael@0 | 24 | { |
| michael@0 | 25 | public: |
| michael@0 | 26 | ReadbackManagerD3D10(); |
| michael@0 | 27 | ~ReadbackManagerD3D10(); |
| michael@0 | 28 | |
| michael@0 | 29 | /** |
| michael@0 | 30 | * Tell the readback manager to post a readback task. |
| michael@0 | 31 | * |
| michael@0 | 32 | * @param aTexture D3D10_USAGE_STAGING texture that will contain the data that |
| michael@0 | 33 | * was readback. |
| michael@0 | 34 | * @param aUpdate ReadbackProcessor::Update object. This is a void pointer |
| michael@0 | 35 | * since we cannot forward declare a nested class, and do not |
| michael@0 | 36 | * export ReadbackProcessor.h |
| michael@0 | 37 | * @param aOrigin Origin of the aTexture surface in the ThebesLayer |
| michael@0 | 38 | * coordinate system. |
| michael@0 | 39 | */ |
| michael@0 | 40 | void PostTask(ID3D10Texture2D *aTexture, void *aUpdate, const gfxPoint &aOrigin); |
| michael@0 | 41 | |
| michael@0 | 42 | virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, |
| michael@0 | 43 | void **ppvObject); |
| michael@0 | 44 | virtual ULONG STDMETHODCALLTYPE AddRef(void); |
| michael@0 | 45 | virtual ULONG STDMETHODCALLTYPE Release(void); |
| michael@0 | 46 | |
| michael@0 | 47 | private: |
| michael@0 | 48 | friend DWORD WINAPI StartTaskThread(void *aManager); |
| michael@0 | 49 | |
| michael@0 | 50 | void ProcessTasks(); |
| michael@0 | 51 | |
| michael@0 | 52 | // The invariant maintained by |mTaskSemaphore| is that the readback thread |
| michael@0 | 53 | // will awaken from WaitForMultipleObjects() at least once per readback |
| michael@0 | 54 | // task enqueued by the main thread. Since the readback thread processes |
| michael@0 | 55 | // exactly one task per wakeup (with one exception), no tasks are lost. The |
| michael@0 | 56 | // exception is when the readback thread is shut down, which orphans the |
| michael@0 | 57 | // remaining tasks, on purpose. |
| michael@0 | 58 | HANDLE mTaskSemaphore; |
| michael@0 | 59 | // Event signaled when the task thread should shutdown |
| michael@0 | 60 | HANDLE mShutdownEvent; |
| michael@0 | 61 | // Handle to the task thread |
| michael@0 | 62 | HANDLE mTaskThread; |
| michael@0 | 63 | |
| michael@0 | 64 | // FiFo list of readback tasks that are to be executed. Access is synchronized |
| michael@0 | 65 | // by mTaskMutex. |
| michael@0 | 66 | CRITICAL_SECTION mTaskMutex; |
| michael@0 | 67 | nsTArray<nsAutoPtr<ReadbackTask>> mPendingReadbackTasks; |
| michael@0 | 68 | |
| michael@0 | 69 | ULONG mRefCnt; |
| michael@0 | 70 | }; |
| michael@0 | 71 | |
| michael@0 | 72 | } |
| michael@0 | 73 | } |
| michael@0 | 74 | |
| michael@0 | 75 | #endif /* GFX_READBACKMANAGERD3D10_H */ |
