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skia2/tools/skqp/README.md
Hal Canary a9de760a21 SkQP: replace blacklist with: DoNotExecuteInExperimentalMode and NoScoreInCompatibilityTestMode 
Also clean up some things, fix docs, whitelist.

Change-Id: I2818d973978ffe1b8ce0cc9c69f8d91ab4a0ef22
Reviewed-on: https://skia-review.googlesource.com/91805
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
2018-01-22 20:11:57 +00:00

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SkQP

Motivation: Test an Android device's GPU and OpenGLES & Vulkan drivers with Skia and Skia's existing unit & rendering tests.

How To Use SkQP on your Android device:

  1. To build SkQP you need to install the Android NDK.

  2. Checkout depot_tools and Skia, then go to Skia's source directory:

    export PATH="${DEPOT_TOOLS_PATH}:$PATH"
cd $SKIA_SOURCE_DIRECTORY

  3. Configure and build Skia for your device's architecture:

    arch='arm64'  # Also valid: 'arm', 'x68', 'x64'
android_ndk="${HOME}/android-ndk"  # Or wherever you installed the NDK.
mkdir -p out/${arch}-rel
cat > out/${arch}-rel/args.gn << EOF
    ndk = "$android_ndk"
    ndk_api = 26
    target_cpu = "$arch"
    skia_embed_resources = true
    is_debug = false
EOF
tools/git-sync-deps
bin/gn gen out/${arch}-rel
ninja -C out/${arch}-rel skqp_lib

  4. Download meta.json from https://goo.gl/jBw3Dd . This is the data used to build the validation model.

  5. Generate the validation model data:

    go get -u go.skia.org/infra/golden/go/search
go run tools/skqp/make_gmkb.go ~/Downloads/meta.json \
    platform_tools/android/apps/skqp/src/main/assets/gmkb

Run as an executable

  1. Build the SkQP program, load files on the device, and run skqp:

    ninja -C out/${arch}-rel skqp
adb shell "cd /data/local/tmp; rm -rf skqp_assets report"
adb push platform_tools/android/apps/skqp/src/main/assets \
    /data/local/tmp/skqp_assets
adb push out/${arch}-rel/skqp /data/local/tmp/
adb shell "cd /data/local/tmp; ./skqp skqp_assets report"

  2. Get the error report if there are errors:

    adb pull /data/local/tmp/report /tmp/
tools/skqp/sysopen.py /tmp/report/report.html

Run as an APK

  1. Install the Android SDK.

    mkdir ~/android-sdk
( cd ~/android-sdk; unzip ~/Downloads/sdk-tools-*.zip )
yes | ~/android-sdk/tools/bin/sdkmanager --licenses
export ANDROID_HOME=~/android-sdk

  2. Build the skqp.apk, load it on the device, and run the tests

    platform_tools/android/bin/android_build_app -C out/${arch}-rel skqp
adb install -r out/${arch}-rel/skqp.apk
adb logcat -c
adb shell am instrument -w \
    org.skia.skqp/android.support.test.runner.AndroidJUnitRunner

  3. Find out where the report went (and look for Skia errors):

    adb logcat -d org.skia.skqp skia "*:S"

  4. Retrieve and view the report if there are any errors:

    adb pull /storage/emulated/0/Android/data/org.skia.skqp/files/output /tmp/
tools/skqp/sysopen.py /tmp/output/skqp_report/report.html