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The Kotlin library carries the decoder the Swift package carries. jni/wai_sink_jni.c gains the
thirteen wai_int_* calls (decoder open, free and info; a parameter set's new, add, listing and
free; a payload's decode and an envelope's, answering { bytes, answer }; a frame stream's open,
reset and free and its next object's decode); WaiIntDecoder and WaiIntFrameStream wrap them as
the Swift package does, and WaiSinkException.INT_INPUT carries WAI_ERR_INT_INPUT.
scripts/build-native.sh builds libwai with sink_decode for every ABI (wgpu's Vulkan backend,
loaded at run time; nothing new beyond the crates wai-rs's Cargo.lock holds) and checks the new
exports; its macOS host build now reads a Mach-O library's exports with nm -g (-D read none).
core/src/testkit/int-cases.json names a committed vector of each of the eight integer
capabilities with its set and the output its corpus commits (a SHA-256 of the whole output or of
each frame, or photo's ref_rgb.bin), and a stream of each of the three frame forms from the
corpus's own index. IntDecodeTest (host JVM) and IntDecodeDeviceTest (instrumented;
test-emulator.sh stages the files into the test APK) decode every case and every frame with the
GPU offered and on the CPU alone, requiring the same bytes and the committed output; a float
capability is refused on both integer paths; an unreadable configuration is INT_INPUT.
Run on 2026-11-11: on an arm64 laptop (Metal), the host JVM tests, 20 of 20: 8 of 9 cases on the
GPU (wai.video.int_motion on the CPU) and 7 of 16 frames, every output the CPU's and the committed
one; the three ABIs built and linked (16 KiB pages, exports checked); in the arm64 emulator (API
36), 16 of 16 instrumented tests. The emulator's own Vulkan driver (gfxstream over the host's
software renderer) crashed the test process with a SIGSEGV inside its vkQueueSubmit at the
decoder's first submission, so test-emulator.sh runs it with the guest's Vulkan off
(WAI_SINK_EMULATOR_VULKAN=on keeps it); the decoder there states the GPU absent and decodes every
case on the CPU. No run on a device's Vulkan GPU was possible here: the README and native-sink
§13 say so.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
52 lines
1.6 KiB
Kotlin
52 lines
1.6 KiB
Kotlin
// The platform-free half, compiled for the host JVM: its unit tests load the JNI layer over a
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// host build of libwai (scripts/build-native.sh host writes it to build/native/).
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import org.jetbrains.kotlin.gradle.dsl.JvmTarget
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plugins {
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id("org.jetbrains.kotlin.jvm")
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}
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java {
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sourceCompatibility = JavaVersion.VERSION_17
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targetCompatibility = JavaVersion.VERSION_17
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}
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kotlin {
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compilerOptions {
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jvmTarget.set(JvmTarget.JVM_17)
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allWarningsAsErrors.set(true)
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}
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}
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sourceSets {
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test {
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kotlin.srcDir("src/testkit/kotlin")
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}
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}
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dependencies {
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testImplementation("junit:junit:4.13.2")
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}
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val native = layout.buildDirectory.dir("native")
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tasks.test {
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val lib = native.get().asFile
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systemProperty("java.library.path", lib.path)
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systemProperty("wai.corpus", file("../../live-conformance/native-sink/vectors.json").path)
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// The integer decode's cases (src/testkit/int-cases.json) name their files relative to wai/.
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systemProperty("wai.root", file("../..").canonicalPath)
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inputs.dir(native).withPropertyName("native")
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inputs.file("../../live-conformance/native-sink/vectors.json").withPropertyName("corpus")
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outputs.upToDateWhen { false }
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testLogging {
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events("passed", "failed", "skipped")
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exceptionFormat = org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
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showStandardStreams = false
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}
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doFirst {
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require(lib.resolve("libwai_sink_jni.so").exists() || lib.resolve("libwai_sink_jni.dylib").exists()) {
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"no JNI layer in $lib: run scripts/build-native.sh host first"
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}
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}
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}
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