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
android_convertGralloc0To1Usage(int32_t usage,uint64_t * producerUsage,uint64_t * consumerUsage)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
android_convertGralloc1To0Usage(uint64_t producerUsage,uint64_t consumerUsage)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