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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /gfx/ipc/PCanvasManager.ipdl
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/ipc/PCanvasManager.ipdl')
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1 files changed, 52 insertions, 0 deletions
diff --git a/gfx/ipc/PCanvasManager.ipdl b/gfx/ipc/PCanvasManager.ipdl
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* 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 "mozilla/layers/LayersMessageUtils.h";
+include protocol PCanvas;
+include protocol PWebGL;
+include protocol PWebGPU;
+
+using mozilla::layers::RemoteTextureOwnerId from "mozilla/layers/LayersTypes.h";
+using mozilla::webgl::FrontBufferSnapshotIpc from "mozilla/dom/WebGLIpdl.h";
+
+namespace mozilla {
+namespace gfx {
+
+/**
+ * The PCanvasManager protocol is the top-level protocol between the main and
+ * worker threads in the content process, and the renderer thread in the
+ * compositor process. This protocol should be used to create accelerated
+ * canvas instances.
+ */
+[NeedsOtherPid, ParentProc=compositor, ChildProc=anydom]
+sync protocol PCanvasManager
+{
+ manages PCanvas;
+ manages PWebGL;
+ manages PWebGPU;
+
+parent:
+ async PCanvas();
+
+ // Actor that represents one WebGL context.
+ async PWebGL();
+
+ // Actor that represents one WebGPU context.
+ async PWebGPU();
+
+ // Set the local manager ID for the canvas manager.
+ async Initialize(uint32_t aManagerId);
+
+ // Get the front buffer pixels for the given manager/protocol. This is
+ // intended to be used by the main thread in the content process to block
+ // reading without having to block on the worker thread that owns the context
+ // instance.
+ sync GetSnapshot(uint32_t aManagerId, int32_t aProtocolId, RemoteTextureOwnerId? ownerId) returns (FrontBufferSnapshotIpc ret);
+};
+
+} // gfx
+} // mozilla