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49 lines
1.8 KiB
49 lines
1.8 KiB
# c2hal user-guide
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## 1. Build
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```
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croot
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make c2hal -j64
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```
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## 2. Run
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```
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c2hal [-g] [-o dir] -p package (-r interface-root)+ (header-filepath)+
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```
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-o output path: If missing, the second half of a relevant interface-root will be used.
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-p package: For example android.hardware.baz@1.0.
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This will be used as the package in .hal files and will also be used to construct the correct directory structure.
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-g: Enabling this flag changes the behavior of c2hal to parse opengl files.
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-r package:path root: For example 'android.hardware:hardware/interfaces'.
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Examples:
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```
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# Build the test.h header:
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c2hal -r android.hardware:hardware/interfaces -p android.hardware.baz@1.0 system/tools/hidl/c2hal/test/test.h
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# Build the simple.h header:
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c2hal -r android.hardware:hardware/interfaces -p android.hardware.simple@1.0 system/tools/hidl/c2hal/test/simple.h
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# Build a particular libhardware header:
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c2hal -r android.hardware:hardware/interfaces -p android.hardware.nfc@1.0 hardware/libhardware/include/hardware/nfc.h
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# Build all headers from libhardware:
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python3 system/tools/hidl/c2hal/test/build_all.py ~/android/master/hardware/libhardware/include/hardware/
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# Build various OpenGl versions:
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python3 system/tools/hidl/c2hal/test/build_all.py -g ~/android/master/frameworks/native/opengl/include/EGL/
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python3 system/tools/hidl/c2hal/test/build_all.py -g ~/android/master/frameworks/native/opengl/include/ETC1/
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python3 system/tools/hidl/c2hal/test/build_all.py -g ~/android/master/frameworks/native/opengl/include/GLES/
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python3 system/tools/hidl/c2hal/test/build_all.py -g ~/android/master/frameworks/native/opengl/include/GLES2/
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python3 system/tools/hidl/c2hal/test/build_all.py -g ~/android/master/frameworks/native/opengl/include/GLES3/
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python3 system/tools/hidl/c2hal/test/build_all.py -g ~/android/master/frameworks/native/opengl/include/KHR/
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```
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