blob: aa7039d3b748b1118aeb5aae94584a7d4343e61e [file] [log] [blame]
/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_HWC_HOSTUTILS_H
#define ANDROID_HWC_HOSTUTILS_H
#include "Common.h"
#include "HostConnection.h"
namespace android {
HostConnection* createOrGetHostConnection();
inline HWC2::Error getAndValidateHostConnection(
HostConnection** ppHostCon, ExtendedRCEncoderContext** ppRcEnc) {
*ppHostCon = nullptr;
*ppRcEnc = nullptr;
HostConnection* hostCon = createOrGetHostConnection();
if (!hostCon) {
ALOGE("%s: Failed to get host connection\n", __FUNCTION__);
return HWC2::Error::NoResources;
}
ExtendedRCEncoderContext* rcEnc = hostCon->rcEncoder();
if (!rcEnc) {
ALOGE("%s: Failed to get renderControl encoder context\n", __FUNCTION__);
return HWC2::Error::NoResources;
}
*ppHostCon = hostCon;
*ppRcEnc = rcEnc;
return HWC2::Error::None;
}
#define DEFINE_AND_VALIDATE_HOST_CONNECTION \
HostConnection* hostCon; \
ExtendedRCEncoderContext* rcEnc; \
{ \
HWC2::Error res = getAndValidateHostConnection(&hostCon, &rcEnc); \
if (res != HWC2::Error::None) { \
return res; \
} \
}
} // namespace android
#endif