1 /* 2 * Copyright 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <grallocusage/GrallocUsageConversion.h> 18 19 #include <hardware/gralloc.h> 20 #include <hardware/gralloc1.h> 21 22 void android_convertGralloc0To1Usage(int32_t usage, uint64_t* producerUsage, 23 uint64_t* consumerUsage) { 24 constexpr uint64_t PRODUCER_MASK = 25 GRALLOC1_PRODUCER_USAGE_CPU_READ | 26 /* GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN | */ 27 GRALLOC1_PRODUCER_USAGE_CPU_WRITE | 28 /* GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN | */ 29 GRALLOC1_PRODUCER_USAGE_GPU_RENDER_TARGET | GRALLOC1_PRODUCER_USAGE_PROTECTED | 30 GRALLOC1_PRODUCER_USAGE_CAMERA | GRALLOC1_PRODUCER_USAGE_VIDEO_DECODER | 31 GRALLOC1_PRODUCER_USAGE_SENSOR_DIRECT_DATA; 32 constexpr uint64_t CONSUMER_MASK = 33 GRALLOC1_CONSUMER_USAGE_CPU_READ | 34 /* GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN | */ 35 GRALLOC1_CONSUMER_USAGE_GPU_TEXTURE | GRALLOC1_CONSUMER_USAGE_HWCOMPOSER | 36 GRALLOC1_CONSUMER_USAGE_CLIENT_TARGET | GRALLOC1_CONSUMER_USAGE_CURSOR | 37 GRALLOC1_CONSUMER_USAGE_VIDEO_ENCODER | GRALLOC1_CONSUMER_USAGE_CAMERA | 38 GRALLOC1_CONSUMER_USAGE_RENDERSCRIPT | GRALLOC1_CONSUMER_USAGE_GPU_DATA_BUFFER; 39 *producerUsage = static_cast<uint64_t>(usage) & PRODUCER_MASK; 40 *consumerUsage = static_cast<uint64_t>(usage) & CONSUMER_MASK; 41 if ((static_cast<uint32_t>(usage) & GRALLOC_USAGE_SW_READ_OFTEN) == GRALLOC_USAGE_SW_READ_OFTEN) { 42 *producerUsage |= GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN; 43 *consumerUsage |= GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN; 44 } 45 if ((static_cast<uint32_t>(usage) & GRALLOC_USAGE_SW_WRITE_OFTEN) == 46 GRALLOC_USAGE_SW_WRITE_OFTEN) { 47 *producerUsage |= GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN; 48 } 49 } 50 51 int32_t android_convertGralloc1To0Usage(uint64_t producerUsage, uint64_t consumerUsage) { 52 static_assert(uint64_t(GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN) == 53 uint64_t(GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN), 54 "expected ConsumerUsage and ProducerUsage CPU_READ_OFTEN bits to match"); 55 uint64_t merged = producerUsage | consumerUsage; 56 if ((merged & (GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN)) == 57 GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN) { 58 merged &= ~uint64_t(GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN); 59 merged |= GRALLOC_USAGE_SW_READ_OFTEN; 60 } 61 if ((merged & (GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN)) == 62 GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN) { 63 merged &= ~uint64_t(GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN); 64 merged |= GRALLOC_USAGE_SW_WRITE_OFTEN; 65 } 66 return static_cast<int32_t>(merged); 67 } 68
