Throw an exception when using RenderScript ScriptC with an API level above 34
Bug: 297019750
Test: m -j; m cts -j; cts-tradefed run commandAndExit cts --skip-system-status-check com.android.compatibility.common.tradefed.targetprep.NetworkConnectivityChecker --skip-device-info -m RenderscriptTest
Change-Id: I112961a279890195aa0387b299844027e483715e
diff --git a/rs/java/android/renderscript/ScriptC.java b/rs/java/android/renderscript/ScriptC.java
index 1866a99..67c2caa 100644
--- a/rs/java/android/renderscript/ScriptC.java
+++ b/rs/java/android/renderscript/ScriptC.java
@@ -16,9 +16,12 @@
package android.renderscript;
+import android.app.compat.CompatChanges;
+import android.compat.annotation.ChangeId;
+import android.compat.annotation.EnabledAfter;
import android.content.res.Resources;
+import android.util.Slog;
-import java.io.File;
import java.io.IOException;
import java.io.InputStream;
@@ -35,6 +38,15 @@
private static final String TAG = "ScriptC";
/**
+ * In targetSdkVersion 35 and above, Renderscript's ScriptC stops being supported
+ * and an exception is thrown when the class is instantiated.
+ * In targetSdkVersion 34 and below, Renderscript's ScriptC still works.
+ */
+ @ChangeId
+ @EnabledAfter(targetSdkVersion = 35)
+ private static final long RENDERSCRIPT_SCRIPTC_DEPRECATION_CHANGE_ID = 297019750L;
+
+ /**
* Only intended for use by the generated derived classes.
*
* @param id
@@ -89,7 +101,19 @@
setID(id);
}
+ private static void throwExceptionIfSDKTooHigh() {
+ String message =
+ "ScriptC scripts are not supported when targeting an API Level >= 35. Please refer "
+ + "to https://developer.android.com/guide/topics/renderscript/migration-guide "
+ + "for proposed alternatives.";
+ Slog.w(TAG, message);
+ if (CompatChanges.isChangeEnabled(RENDERSCRIPT_SCRIPTC_DEPRECATION_CHANGE_ID)) {
+ throw new UnsupportedOperationException(message);
+ }
+ }
+
private static synchronized long internalCreate(RenderScript rs, Resources resources, int resourceID) {
+ throwExceptionIfSDKTooHigh();
byte[] pgm;
int pgmLength;
InputStream is = resources.openRawResource(resourceID);
@@ -126,6 +150,7 @@
private static synchronized long internalStringCreate(RenderScript rs, String resName, byte[] bitcode) {
// Log.v(TAG, "Create script for resource = " + resName);
+ throwExceptionIfSDKTooHigh();
return rs.nScriptCCreate(resName, RenderScript.getCachePath(), bitcode, bitcode.length);
}
}
