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68 lines
3.2 KiB
68 lines
3.2 KiB
4 months ago
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/*
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* Copyright 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <grallocusage/GrallocUsageConversion.h>
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#include <hardware/gralloc.h>
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#include <hardware/gralloc1.h>
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void android_convertGralloc0To1Usage(int32_t usage, uint64_t* producerUsage,
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uint64_t* consumerUsage) {
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constexpr uint64_t PRODUCER_MASK =
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GRALLOC1_PRODUCER_USAGE_CPU_READ |
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/* GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN | */
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GRALLOC1_PRODUCER_USAGE_CPU_WRITE |
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/* GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN | */
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GRALLOC1_PRODUCER_USAGE_GPU_RENDER_TARGET | GRALLOC1_PRODUCER_USAGE_PROTECTED |
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GRALLOC1_PRODUCER_USAGE_CAMERA | GRALLOC1_PRODUCER_USAGE_VIDEO_DECODER |
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GRALLOC1_PRODUCER_USAGE_SENSOR_DIRECT_DATA;
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constexpr uint64_t CONSUMER_MASK =
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GRALLOC1_CONSUMER_USAGE_CPU_READ |
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/* GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN | */
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GRALLOC1_CONSUMER_USAGE_GPU_TEXTURE | GRALLOC1_CONSUMER_USAGE_HWCOMPOSER |
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GRALLOC1_CONSUMER_USAGE_CLIENT_TARGET | GRALLOC1_CONSUMER_USAGE_CURSOR |
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GRALLOC1_CONSUMER_USAGE_VIDEO_ENCODER | GRALLOC1_CONSUMER_USAGE_CAMERA |
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GRALLOC1_CONSUMER_USAGE_RENDERSCRIPT | GRALLOC1_CONSUMER_USAGE_GPU_DATA_BUFFER;
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*producerUsage = static_cast<uint64_t>(usage) & PRODUCER_MASK;
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*consumerUsage = static_cast<uint64_t>(usage) & CONSUMER_MASK;
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if ((static_cast<uint32_t>(usage) & GRALLOC_USAGE_SW_READ_OFTEN) == GRALLOC_USAGE_SW_READ_OFTEN) {
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*producerUsage |= GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN;
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*consumerUsage |= GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN;
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}
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if ((static_cast<uint32_t>(usage) & GRALLOC_USAGE_SW_WRITE_OFTEN) ==
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GRALLOC_USAGE_SW_WRITE_OFTEN) {
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*producerUsage |= GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN;
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}
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}
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int32_t android_convertGralloc1To0Usage(uint64_t producerUsage, uint64_t consumerUsage) {
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static_assert(uint64_t(GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN) ==
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uint64_t(GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN),
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"expected ConsumerUsage and ProducerUsage CPU_READ_OFTEN bits to match");
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uint64_t merged = producerUsage | consumerUsage;
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if ((merged & (GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN)) ==
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GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN) {
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merged &= ~uint64_t(GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN);
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merged |= GRALLOC_USAGE_SW_READ_OFTEN;
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}
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if ((merged & (GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN)) ==
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GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN) {
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merged &= ~uint64_t(GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN);
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merged |= GRALLOC_USAGE_SW_WRITE_OFTEN;
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}
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return static_cast<int32_t>(merged);
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}
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