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author | TreeHugger Robot | 2017-03-28 15:55:50 -0500 |
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committer | Android (Google) Code Review | 2017-03-28 15:55:51 -0500 |
commit | df937b8255d86d97c97fd8d9ca7ea5352e2d8975 (patch) | |
tree | 16b82dbf837c7fd95f667b0de42b1a0a0df16404 /libgrallocusage/include/grallocusage/GrallocUsageConversion.h | |
parent | bc41166d563d7e8d90ab48216730920d6eb90440 (diff) | |
parent | 33eab3a829fee3bc89e435e10ec581d87d68797c (diff) | |
download | platform-system-core-df937b8255d86d97c97fd8d9ca7ea5352e2d8975.tar.gz platform-system-core-df937b8255d86d97c97fd8d9ca7ea5352e2d8975.tar.xz platform-system-core-df937b8255d86d97c97fd8d9ca7ea5352e2d8975.zip |
Merge "Add gralloc usage conversion functions" into oc-dev
Diffstat (limited to 'libgrallocusage/include/grallocusage/GrallocUsageConversion.h')
-rw-r--r-- | libgrallocusage/include/grallocusage/GrallocUsageConversion.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libgrallocusage/include/grallocusage/GrallocUsageConversion.h b/libgrallocusage/include/grallocusage/GrallocUsageConversion.h new file mode 100644 index 000000000..5c94343c2 --- /dev/null +++ b/libgrallocusage/include/grallocusage/GrallocUsageConversion.h | |||
@@ -0,0 +1,47 @@ | |||
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 | #ifndef ANDROID_GRALLOCUSAGE_GRALLOC_USAGE_CONVERSION_H | ||
18 | #define ANDROID_GRALLOCUSAGE_GRALLOC_USAGE_CONVERSION_H 1 | ||
19 | |||
20 | #include <stdint.h> | ||
21 | |||
22 | #ifdef __cplusplus | ||
23 | extern "C" { | ||
24 | #endif | ||
25 | |||
26 | // Conversion functions are out-of-line so that users don't have to be exposed to | ||
27 | // android/hardware/graphics/allocator/2.0/types.h and link against | ||
28 | // android.hardware.graphics.allocator@2.0 to get that in their search path. | ||
29 | |||
30 | // Convert a 32-bit gralloc0 usage mask to a producer/consumer pair of 64-bit usage masks as used | ||
31 | // by android.hardware.graphics.allocator@2.0 (and gralloc1). This conversion properly handles the | ||
32 | // mismatch between a.h.g.allocator@2.0's CPU_{READ,WRITE}_OFTEN and gralloc0's | ||
33 | // SW_{READ,WRITE}_OFTEN. | ||
34 | void android_convertGralloc0To1Usage(int32_t usage, uint64_t* producerUsage, | ||
35 | uint64_t* consumerUsage); | ||
36 | |||
37 | // Convert a producer/consumer pair of 64-bit usage masks as used by | ||
38 | // android.hardware.graphics.allocator@2.0 (and gralloc1) to a 32-bit gralloc0 usage mask. This | ||
39 | // conversion properly handles the mismatch between a.h.g.allocator@2.0's CPU_{READ,WRITE}_OFTEN | ||
40 | // and gralloc0's SW_{READ,WRITE}_OFTEN. | ||
41 | int32_t android_convertGralloc1To0Usage(uint64_t producerUsage, uint64_t consumerUsage); | ||
42 | |||
43 | #ifdef __cplusplus | ||
44 | } | ||
45 | #endif | ||
46 | |||
47 | #endif // ANDROID_GRALLOCUSAGE_GRALLOC_USAGE_CONVERSION_H | ||