systemMessages.h

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//
// Copyright 2023 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#ifndef PXR_IMAGING_HD_SYSTEM_MESSAGES_H
#define PXR_IMAGING_HD_SYSTEM_MESSAGES_H

#include "pxr/pxr.h"
#include "pxr/imaging/hd/api.h"
#include "pxr/base/tf/staticTokens.h"

PXR_NAMESPACE_OPEN_SCOPE


#define HD_SYSTEM_MESSAGE_TOKENS                                               \
    /* Indicates that asynchronous processing is allowed and to expect to
     * receive "asyncPoll" messages to follow. This message provides no
     * arguments.
     */                                                                        \
   (asyncAllow)                                                                \
   /* Following a "asyncAllow" message, this will be called periodically on the
     * application main (or rendering) thread to give scene indices an
     * opportunity to send notices for completed asynchronous or incremental
     * work.
     */                                                                        \
   (asyncPoll)                                                                 \

TF_DECLARE_PUBLIC_TOKENS(HdSystemMessageTokens, HD_API,
    HD_SYSTEM_MESSAGE_TOKENS);


PXR_NAMESPACE_CLOSE_SCOPE

#endif