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android: Convert GpuDriverHelper to Kotlin

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Charles Lombardo 2023-03-11 00:37:48 -05:00 committed by bunnei
parent bf0c383024
commit d2f9cf133d
2 changed files with 145 additions and 130 deletions
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130
src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/GpuDriverHelper.java
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@ -1,130 +0,0 @@
package org.yuzu.yuzu_emu.utils;
import android.content.Context;
import android.net.Uri;
import org.yuzu.yuzu_emu.NativeLibrary;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class GpuDriverHelper {
private static final String META_JSON_FILENAME = "meta.json";
private static final String DRIVER_INTERNAL_FILENAME = "gpu_driver.zip";
private static String fileRedirectionPath;
private static String driverInstallationPath;
private static String hookLibPath;
private static void unzip(String zipFilePath, String destDir) throws IOException {
File dir = new File(destDir);
// Create output directory if it doesn't exist
if (!dir.exists()) dir.mkdirs();
// Unpack the files.
ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFilePath));
byte[] buffer = new byte[1024];
ZipEntry ze = zis.getNextEntry();
while (ze != null) {
String fileName = ze.getName();
File newFile = new File(destDir + fileName);
newFile.getParentFile().mkdirs();
FileOutputStream fos = new FileOutputStream(newFile);
int len;
while ((len = zis.read(buffer)) > 0) {
fos.write(buffer, 0, len);
}
fos.close();
zis.closeEntry();
ze = zis.getNextEntry();
}
zis.closeEntry();
}
public static void initializeDriverParameters(Context context) {
try {
// Initialize the file redirection directory.
fileRedirectionPath = context.getExternalFilesDir(null).getCanonicalPath() + "/gpu/vk_file_redirect/";
// Initialize the driver installation directory.
driverInstallationPath = context.getFilesDir().getCanonicalPath() + "/gpu_driver/";
} catch (IOException e) {
throw new RuntimeException(e);
}
// Initialize directories.
initializeDirectories();
// Initialize hook libraries directory.
hookLibPath = context.getApplicationInfo().nativeLibraryDir + "/";
// Initialize GPU driver.
NativeLibrary.InitializeGpuDriver(hookLibPath, driverInstallationPath, getCustomDriverLibraryName(), fileRedirectionPath);
}
public static void installDefaultDriver(Context context) {
// Removing the installed driver will result in the backend using the default system driver.
File driverInstallationDir = new File(driverInstallationPath);
deleteRecursive(driverInstallationDir);
initializeDriverParameters(context);
}
public static void installCustomDriver(Context context, Uri driverPathUri) {
// Revert to system default in the event the specified driver is bad.
installDefaultDriver(context);
// Ensure we have directories.
initializeDirectories();
// Copy the zip file URI into our private storage.
FileUtil.copyUriToInternalStorage(context, driverPathUri, driverInstallationPath, DRIVER_INTERNAL_FILENAME);
// Unzip the driver.
try {
unzip(driverInstallationPath + DRIVER_INTERNAL_FILENAME, driverInstallationPath);
} catch (IOException e) {
throw new RuntimeException(e);
}
// Initialize the driver parameters.
initializeDriverParameters(context);
}
public static String getCustomDriverName() {
// Parse the custom driver metadata to retrieve the name.
GpuDriverMetadata metadata = new GpuDriverMetadata(driverInstallationPath + META_JSON_FILENAME);
return metadata.name;
}
private static String getCustomDriverLibraryName() {
// Parse the custom driver metadata to retrieve the library name.
GpuDriverMetadata metadata = new GpuDriverMetadata(driverInstallationPath + META_JSON_FILENAME);
return metadata.libraryName;
}
private static void initializeDirectories() {
// Ensure the file redirection directory exists.
File fileRedirectionDir = new File(fileRedirectionPath);
if (!fileRedirectionDir.exists()) {
fileRedirectionDir.mkdirs();
}
// Ensure the driver installation directory exists.
File driverInstallationDir = new File(driverInstallationPath);
if (!driverInstallationDir.exists()) {
driverInstallationDir.mkdirs();
}
}
private static void deleteRecursive(File fileOrDirectory) {
if (fileOrDirectory.isDirectory()) {
for (File child : fileOrDirectory.listFiles()) {
deleteRecursive(child);
}
}
fileOrDirectory.delete();
}
}

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