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Diffstat (limited to 'graphics/java/android/renderscript/BaseObj.java')
-rw-r--r-- | graphics/java/android/renderscript/BaseObj.java | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/graphics/java/android/renderscript/BaseObj.java b/graphics/java/android/renderscript/BaseObj.java deleted file mode 100644 index fc54532..0000000 --- a/graphics/java/android/renderscript/BaseObj.java +++ /dev/null @@ -1,192 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.renderscript; - -import java.util.concurrent.locks.ReentrantReadWriteLock; - -/** - * BaseObj is the base class for all RenderScript objects owned by a RS context. - * It is responsible for lifetime management and resource tracking. This class - * should not be used by a user application. - * - **/ -public class BaseObj { - BaseObj(int id, RenderScript rs) { - rs.validate(); - mRS = rs; - mID = id; - mDestroyed = false; - } - - void setID(int id) { - if (mID != 0) { - throw new RSRuntimeException("Internal Error, reset of object ID."); - } - mID = id; - } - - /** - * Lookup the native object ID for this object. Primarily used by the - * generated reflected code. - * - * @param rs Context to verify against internal context for - * match. - * - * @return int - */ - int getID(RenderScript rs) { - mRS.validate(); - if (mDestroyed) { - throw new RSInvalidStateException("using a destroyed object."); - } - if (mID == 0) { - throw new RSRuntimeException("Internal error: Object id 0."); - } - if ((rs != null) && (rs != mRS)) { - throw new RSInvalidStateException("using object with mismatched context."); - } - return mID; - } - - void checkValid() { - if (mID == 0) { - throw new RSIllegalArgumentException("Invalid object."); - } - } - - private int mID; - private boolean mDestroyed; - private String mName; - RenderScript mRS; - - /** - * setName assigns a name to an object. This object can later be looked up - * by this name. - * - * @param name The name to assign to the object. - */ - public void setName(String name) { - if (name == null) { - throw new RSIllegalArgumentException( - "setName requires a string of non-zero length."); - } - if(name.length() < 1) { - throw new RSIllegalArgumentException( - "setName does not accept a zero length string."); - } - if(mName != null) { - throw new RSIllegalArgumentException( - "setName object already has a name."); - } - - try { - byte[] bytes = name.getBytes("UTF-8"); - mRS.nAssignName(mID, bytes); - mName = name; - } catch (java.io.UnsupportedEncodingException e) { - throw new RuntimeException(e); - } - } - - /** - * @return name of the renderscript object - */ - public String getName() { - return mName; - } - - private void helpDestroy() { - boolean shouldDestroy = false; - synchronized(this) { - if (!mDestroyed) { - shouldDestroy = true; - mDestroyed = true; - } - } - - if (shouldDestroy) { - // must include nObjDestroy in the critical section - ReentrantReadWriteLock.ReadLock rlock = mRS.mRWLock.readLock(); - rlock.lock(); - // AllocationAdapters are BaseObjs with an ID of 0 but should not be passed to nObjDestroy - if(mRS.isAlive() && mID != 0) { - mRS.nObjDestroy(mID); - } - rlock.unlock(); - mRS = null; - mID = 0; - } - } - - protected void finalize() throws Throwable { - helpDestroy(); - super.finalize(); - } - - /** - * Frees any native resources associated with this object. The - * primary use is to force immediate cleanup of resources when it is - * believed the GC will not respond quickly enough. - */ - public void destroy() { - if(mDestroyed) { - throw new RSInvalidStateException("Object already destroyed."); - } - helpDestroy(); - } - - /** - * If an object came from an a3d file, java fields need to be - * created with objects from the native layer - */ - void updateFromNative() { - mRS.validate(); - mName = mRS.nGetName(getID(mRS)); - } - - /** - * Calculates the hash code value for a BaseObj. - * - * @return int - */ - @Override - public int hashCode() { - return mID; - } - - /** - * Compare the current BaseObj with another BaseObj for equality. - * - * @param obj The object to check equality with. - * - * @return boolean - */ - @Override - public boolean equals(Object obj) { - // Early-out check to see if both BaseObjs are actually the same - if (this == obj) - return true; - - if (getClass() != obj.getClass()) { - return false; - } - - BaseObj b = (BaseObj) obj; - return mID == b.mID; - } -} - |