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/*
* Copyright 2017 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.
*/
#include <grallocusage/GrallocUsageConversion.h>
#include <hardware/gralloc.h>
#include <hardware/gralloc1.h>
void android_convertGralloc0To1Usage(int32_t usage, uint64_t* producerUsage,
uint64_t* consumerUsage) {
constexpr uint64_t PRODUCER_MASK =
GRALLOC1_PRODUCER_USAGE_CPU_READ |
/* GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN | */
GRALLOC1_PRODUCER_USAGE_CPU_WRITE |
/* GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN | */
GRALLOC1_PRODUCER_USAGE_GPU_RENDER_TARGET | GRALLOC1_PRODUCER_USAGE_PROTECTED |
GRALLOC1_PRODUCER_USAGE_CAMERA | GRALLOC1_PRODUCER_USAGE_VIDEO_DECODER |
GRALLOC1_PRODUCER_USAGE_SENSOR_DIRECT_DATA;
constexpr uint64_t CONSUMER_MASK =
GRALLOC1_CONSUMER_USAGE_CPU_READ |
/* GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN | */
GRALLOC1_CONSUMER_USAGE_GPU_TEXTURE | GRALLOC1_CONSUMER_USAGE_HWCOMPOSER |
GRALLOC1_CONSUMER_USAGE_CLIENT_TARGET | GRALLOC1_CONSUMER_USAGE_CURSOR |
GRALLOC1_CONSUMER_USAGE_VIDEO_ENCODER | GRALLOC1_CONSUMER_USAGE_CAMERA |
GRALLOC1_CONSUMER_USAGE_RENDERSCRIPT | GRALLOC1_CONSUMER_USAGE_GPU_DATA_BUFFER;
*producerUsage = static_cast<uint64_t>(usage) & PRODUCER_MASK;
*consumerUsage = static_cast<uint64_t>(usage) & CONSUMER_MASK;
if ((static_cast<uint32_t>(usage) & GRALLOC_USAGE_SW_READ_OFTEN) == GRALLOC_USAGE_SW_READ_OFTEN) {
*producerUsage |= GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN;
*consumerUsage |= GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN;
}
if ((static_cast<uint32_t>(usage) & GRALLOC_USAGE_SW_WRITE_OFTEN) ==
GRALLOC_USAGE_SW_WRITE_OFTEN) {
*producerUsage |= GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN;
}
}
int32_t android_convertGralloc1To0Usage(uint64_t producerUsage, uint64_t consumerUsage) {
static_assert(uint64_t(GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN) ==
uint64_t(GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN),
"expected ConsumerUsage and ProducerUsage CPU_READ_OFTEN bits to match");
uint64_t merged = producerUsage | consumerUsage;
if ((merged & (GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN)) ==
GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN) {
merged &= ~uint64_t(GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN);
merged |= GRALLOC_USAGE_SW_READ_OFTEN;
}
if ((merged & (GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN)) ==
GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN) {
merged &= ~uint64_t(GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN);
merged |= GRALLOC_USAGE_SW_WRITE_OFTEN;
}
return static_cast<int32_t>(merged);
}
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