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/* -*- 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";
using mozilla::Telemetry::Accumulation from "mozilla/TelemetryComms.h";
using mozilla::Telemetry::KeyedAccumulation from "mozilla/TelemetryComms.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);
// Messages for reporting telemetry to the UI process.
async AccumulateChildHistogram(Accumulation[] accumulations);
async AccumulateChildKeyedHistogram(KeyedAccumulation[] accumulations);
async NotifyDeviceReset();
};
} // namespace gfx
} // namespace mozilla
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