| /* |
| * 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); |
| } |
