android: frontend: Add support for GPU driver selection.
bunnei
parent
4c38220a64
commit
b0f8aef057
@ -0,0 +1,130 @@
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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 +1,45 @@
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package org.yuzu.yuzu_emu.utils;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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public class GpuDriverMetadata {
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public String name;
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public String description;
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public String author;
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public String vendor;
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public String driverVersion;
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public int minApi;
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public String libraryName;
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public GpuDriverMetadata(String metadataFilePath) {
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try {
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JSONObject json = new JSONObject(getStringFromFile(metadataFilePath));
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name = json.getString("name");
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description = json.getString("description");
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author = json.getString("author");
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vendor = json.getString("vendor");
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driverVersion = json.getString("driverVersion");
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minApi = json.getInt("minApi");
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libraryName = json.getString("libraryName");
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} catch (JSONException e) {
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// JSON is malformed, ignore and treat as unsupported metadata.
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} catch (IOException e) {
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// File is inaccessible, ignore and treat as unsupported metadata.
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}
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}
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private static String getStringFromFile(String filePath) throws IOException {
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Path path = Paths.get(filePath);
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byte[] bytes = Files.readAllBytes(path);
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return new String(bytes, StandardCharsets.UTF_8);
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}
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}
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