/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ include GraphicsMessages; include protocol PCompositorBridge; include protocol PImageBridge; include protocol PVsyncBridge; include protocol PVideoDecoderManager; using base::ProcessId from "base/process.h"; using mozilla::TimeDuration from "mozilla/TimeStamp.h"; using mozilla::CSSToLayoutDeviceScale from "Units.h"; using mozilla::gfx::IntSize from "mozilla/gfx/2D.h"; namespace mozilla { namespace gfx { union GfxPrefValue { bool; int32_t; uint32_t; float; }; struct GfxPrefSetting { int32_t index; GfxPrefValue value; }; struct LayerTreeIdMapping { uint64_t layersId; ProcessId ownerId; }; sync protocol PGPU { parent: // Sent by the UI process to initiate core settings. async Init(GfxPrefSetting[] prefs, GfxVarUpdate[] vars, DevicePrefs devicePrefs); async InitVsyncBridge(Endpoint<PVsyncBridgeParent> endpoint); async InitImageBridge(Endpoint<PImageBridgeParent> endpoint); // Called to update a gfx preference or variable. async UpdatePref(GfxPrefSetting pref); async UpdateVar(GfxVarUpdate var); // Create a new top-level compositor. async NewWidgetCompositor(Endpoint<PCompositorBridgeParent> endpoint, CSSToLayoutDeviceScale scale, TimeDuration vsyncRate, bool useExternalSurface, IntSize surfaceSize); // Create a new content-process compositor bridge. async NewContentCompositorBridge(Endpoint<PCompositorBridgeParent> endpoint); async NewContentImageBridge(Endpoint<PImageBridgeParent> endpoint); async NewContentVideoDecoderManager(Endpoint<PVideoDecoderManagerParent> endpoint); // Called to notify the GPU process of who owns a layersId. sync AddLayerTreeIdMapping(LayerTreeIdMapping[] mapping); async RemoveLayerTreeIdMapping(LayerTreeIdMapping mapping); // Request the current DeviceStatus from the GPU process. This blocks until // one is available (i.e., Init has completed). sync GetDeviceStatus() returns (GPUDeviceData status); // Have a message be broadcasted to the GPU process by the GPU process // observer service. async NotifyGpuObservers(nsCString aTopic); child: // Sent when the GPU process has initialized devices. This occurs once, after // Init(). async InitComplete(GPUDeviceData data); // Sent when APZ detects checkerboarding and apz checkerboard reporting is enabled. async ReportCheckerboard(uint32_t severity, nsCString log); // Graphics errors, analogous to PContent::GraphicsError async GraphicsError(nsCString aError); // Have a message be broadcasted to the UI process by the UI process // observer service. async NotifyUiObservers(nsCString aTopic); async NotifyDeviceReset(); }; } // namespace gfx } // namespace mozilla