android: Convert GpuDriverHelper to Kotlin
This commit is contained in:
Charles Lombardo
bunnei
@@ -1,130 +0,0 @@
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package org.yuzu.yuzu_emu.utils;
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import android.content.Context;
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import android.net.Uri;
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import org.yuzu.yuzu_emu.NativeLibrary;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipInputStream;
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public class GpuDriverHelper {
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private static final String META_JSON_FILENAME = "meta.json";
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private static final String DRIVER_INTERNAL_FILENAME = "gpu_driver.zip";
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private static String fileRedirectionPath;
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private static String driverInstallationPath;
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private static String hookLibPath;
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private static void unzip(String zipFilePath, String destDir) throws IOException {
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File dir = new File(destDir);
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// Create output directory if it doesn't exist
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if (!dir.exists()) dir.mkdirs();
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// Unpack the files.
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ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFilePath));
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byte[] buffer = new byte[1024];
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ZipEntry ze = zis.getNextEntry();
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while (ze != null) {
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String fileName = ze.getName();
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File newFile = new File(destDir + fileName);
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newFile.getParentFile().mkdirs();
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FileOutputStream fos = new FileOutputStream(newFile);
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int len;
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while ((len = zis.read(buffer)) > 0) {
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fos.write(buffer, 0, len);
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}
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fos.close();
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zis.closeEntry();
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ze = zis.getNextEntry();
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}
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zis.closeEntry();
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}
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public static void initializeDriverParameters(Context context) {
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try {
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// Initialize the file redirection directory.
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fileRedirectionPath = context.getExternalFilesDir(null).getCanonicalPath() + "/gpu/vk_file_redirect/";
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// Initialize the driver installation directory.
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driverInstallationPath = context.getFilesDir().getCanonicalPath() + "/gpu_driver/";
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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// Initialize directories.
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initializeDirectories();
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// Initialize hook libraries directory.
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hookLibPath = context.getApplicationInfo().nativeLibraryDir + "/";
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// Initialize GPU driver.
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NativeLibrary.InitializeGpuDriver(hookLibPath, driverInstallationPath, getCustomDriverLibraryName(), fileRedirectionPath);
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}
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public static void installDefaultDriver(Context context) {
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// Removing the installed driver will result in the backend using the default system driver.
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File driverInstallationDir = new File(driverInstallationPath);
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deleteRecursive(driverInstallationDir);
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initializeDriverParameters(context);
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}
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public static void installCustomDriver(Context context, Uri driverPathUri) {
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// Revert to system default in the event the specified driver is bad.
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installDefaultDriver(context);
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// Ensure we have directories.
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initializeDirectories();
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// Copy the zip file URI into our private storage.
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FileUtil.copyUriToInternalStorage(context, driverPathUri, driverInstallationPath, DRIVER_INTERNAL_FILENAME);
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// Unzip the driver.
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try {
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unzip(driverInstallationPath + DRIVER_INTERNAL_FILENAME, driverInstallationPath);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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// Initialize the driver parameters.
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initializeDriverParameters(context);
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}
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public static String getCustomDriverName() {
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// Parse the custom driver metadata to retrieve the name.
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GpuDriverMetadata metadata = new GpuDriverMetadata(driverInstallationPath + META_JSON_FILENAME);
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return metadata.name;
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}
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private static String getCustomDriverLibraryName() {
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// Parse the custom driver metadata to retrieve the library name.
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GpuDriverMetadata metadata = new GpuDriverMetadata(driverInstallationPath + META_JSON_FILENAME);
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return metadata.libraryName;
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}
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private static void initializeDirectories() {
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// Ensure the file redirection directory exists.
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File fileRedirectionDir = new File(fileRedirectionPath);
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if (!fileRedirectionDir.exists()) {
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fileRedirectionDir.mkdirs();
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}
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// Ensure the driver installation directory exists.
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File driverInstallationDir = new File(driverInstallationPath);
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if (!driverInstallationDir.exists()) {
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driverInstallationDir.mkdirs();
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}
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}
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private static void deleteRecursive(File fileOrDirectory) {
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if (fileOrDirectory.isDirectory()) {
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for (File child : fileOrDirectory.listFiles()) {
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deleteRecursive(child);
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}
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}
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fileOrDirectory.delete();
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}
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}
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@@ -0,0 +1,145 @@
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package org.yuzu.yuzu_emu.utils
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import android.content.Context
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import android.net.Uri
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import org.yuzu.yuzu_emu.NativeLibrary
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import org.yuzu.yuzu_emu.utils.FileUtil.copyUriToInternalStorage
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import java.io.File
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import java.io.FileInputStream
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import java.io.FileOutputStream
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import java.io.IOException
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import java.util.zip.ZipInputStream
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object GpuDriverHelper {
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private const val META_JSON_FILENAME = "meta.json"
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private const val DRIVER_INTERNAL_FILENAME = "gpu_driver.zip"
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private var fileRedirectionPath: String? = null
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private var driverInstallationPath: String? = null
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private var hookLibPath: String? = null
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@Throws(IOException::class)
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private fun unzip(zipFilePath: String, destDir: String) {
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val dir = File(destDir)
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// Create output directory if it doesn't exist
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if (!dir.exists()) dir.mkdirs()
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// Unpack the files.
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val zis = ZipInputStream(FileInputStream(zipFilePath))
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val buffer = ByteArray(1024)
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var ze = zis.nextEntry
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while (ze != null) {
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val fileName = ze.name
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val newFile = File(destDir + fileName)
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newFile.parentFile!!.mkdirs()
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val fos = FileOutputStream(newFile)
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var len: Int
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while (zis.read(buffer).also { len = it } > 0) {
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fos.write(buffer, 0, len)
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}
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fos.close()
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zis.closeEntry()
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ze = zis.nextEntry
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}
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zis.closeEntry()
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}
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@JvmStatic
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fun initializeDriverParameters(context: Context) {
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try {
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// Initialize the file redirection directory.
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fileRedirectionPath =
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context.getExternalFilesDir(null)!!.canonicalPath + "/gpu/vk_file_redirect/"
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// Initialize the driver installation directory.
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driverInstallationPath = context.filesDir.canonicalPath + "/gpu_driver/"
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} catch (e: IOException) {
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throw RuntimeException(e)
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}
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// Initialize directories.
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initializeDirectories()
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// Initialize hook libraries directory.
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hookLibPath = context.applicationInfo.nativeLibraryDir + "/"
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// Initialize GPU driver.
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NativeLibrary.InitializeGpuDriver(
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hookLibPath,
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driverInstallationPath,
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customDriverLibraryName,
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fileRedirectionPath
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)
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}
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fun installDefaultDriver(context: Context) {
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// Removing the installed driver will result in the backend using the default system driver.
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val driverInstallationDir = File(driverInstallationPath!!)
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deleteRecursive(driverInstallationDir)
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initializeDriverParameters(context)
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}
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fun installCustomDriver(context: Context, driverPathUri: Uri?) {
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// Revert to system default in the event the specified driver is bad.
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installDefaultDriver(context)
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// Ensure we have directories.
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initializeDirectories()
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// Copy the zip file URI into our private storage.
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copyUriToInternalStorage(
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context,
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driverPathUri,
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driverInstallationPath!!,
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DRIVER_INTERNAL_FILENAME
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)
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// Unzip the driver.
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try {
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unzip(driverInstallationPath + DRIVER_INTERNAL_FILENAME, driverInstallationPath!!)
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} catch (e: IOException) {
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throw RuntimeException(e)
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}
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// Initialize the driver parameters.
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initializeDriverParameters(context)
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}
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// Parse the custom driver metadata to retrieve the name.
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val customDriverName: String?
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get() {
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// Parse the custom driver metadata to retrieve the name.
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val metadata = GpuDriverMetadata(driverInstallationPath + META_JSON_FILENAME)
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return metadata.name
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}
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// Parse the custom driver metadata to retrieve the library name.
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private val customDriverLibraryName: String?
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get() {
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// Parse the custom driver metadata to retrieve the library name.
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val metadata = GpuDriverMetadata(driverInstallationPath + META_JSON_FILENAME)
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return metadata.libraryName
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}
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private fun initializeDirectories() {
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// Ensure the file redirection directory exists.
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val fileRedirectionDir = File(fileRedirectionPath!!)
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if (!fileRedirectionDir.exists()) {
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fileRedirectionDir.mkdirs()
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}
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// Ensure the driver installation directory exists.
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val driverInstallationDir = File(driverInstallationPath!!)
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if (!driverInstallationDir.exists()) {
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driverInstallationDir.mkdirs()
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}
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}
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private fun deleteRecursive(fileOrDirectory: File) {
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if (fileOrDirectory.isDirectory) {
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for (child in fileOrDirectory.listFiles()!!) {
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deleteRecursive(child)
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}
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}
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fileOrDirectory.delete()
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}
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}
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