1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/gfx/layers/ipc/PGrallocBuffer.ipdl Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,30 @@ 1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- 1.5 + * vim: sw=2 ts=8 et : 1.6 + */ 1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this file, 1.9 + * You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.10 + 1.11 +include protocol PCompositor; 1.12 +include protocol PImageBridge; 1.13 +include protocol PLayerTransaction; 1.14 + 1.15 +namespace mozilla { 1.16 +namespace layers { 1.17 + 1.18 +/** 1.19 + * This is a trivial protocol that's used to track gralloc buffers 1.20 + * across thread contexts. A live PGrallocBuffer actor always 1.21 + * corresponds 1:1 to a pre-shared gralloc buffer (sharing is done by 1.22 + * the PGrallocBuffer constructor). 1.23 + */ 1.24 +async protocol PGrallocBuffer { 1.25 + manager PImageBridge or PLayerTransaction; 1.26 + 1.27 + /** Gralloc buffers can be "owned" by either parent or child. */ 1.28 +both: 1.29 + async __delete__(); 1.30 +}; 1.31 + 1.32 +} // namespace layers 1.33 +} // namespace mozilla