ImageFilterRS.java revision b17b1b0758799914fbad5f4a3afae71ce58891fc
1a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard/* 2a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * Copyright (C) 2012 The Android Open Source Project 3a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * 4a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * Licensed under the Apache License, Version 2.0 (the "License"); 5a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * you may not use this file except in compliance with the License. 6a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * You may obtain a copy of the License at 7a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * 8a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * http://www.apache.org/licenses/LICENSE-2.0 9a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * 10a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * Unless required by applicable law or agreed to in writing, software 11a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * distributed under the License is distributed on an "AS IS" BASIS, 12a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * See the License for the specific language governing permissions and 14a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * limitations under the License. 15a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard */ 16a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard 175448bf8095483574649afcc2add7f153670c7450nicolasroardpackage com.android.gallery3d.filtershow.filters; 185448bf8095483574649afcc2add7f153670c7450nicolasroard 195448bf8095483574649afcc2add7f153670c7450nicolasroardimport android.app.Activity; 205448bf8095483574649afcc2add7f153670c7450nicolasroardimport android.graphics.Bitmap; 21a64051696e46fb5d5e1c76e53ac95a4feba18585Tim Murrayimport android.support.v8.renderscript.*; 225448bf8095483574649afcc2add7f153670c7450nicolasroardimport android.util.Log; 235448bf8095483574649afcc2add7f153670c7450nicolasroard 244e6c07b71b269ee3fe7f6fa455bc540238df9dedJohn Hofordpublic abstract class ImageFilterRS extends ImageFilter { 255448bf8095483574649afcc2add7f153670c7450nicolasroard private final String LOGTAG = "ImageFilterRS"; 265448bf8095483574649afcc2add7f153670c7450nicolasroard 275448bf8095483574649afcc2add7f153670c7450nicolasroard private static RenderScript mRS = null; 285448bf8095483574649afcc2add7f153670c7450nicolasroard protected static Allocation mInPixelsAllocation; 295448bf8095483574649afcc2add7f153670c7450nicolasroard protected static Allocation mOutPixelsAllocation; 305448bf8095483574649afcc2add7f153670c7450nicolasroard private static android.content.res.Resources mResources = null; 3157eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard private static Bitmap sOldBitmap = null; 3257eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard private Bitmap mOldBitmap = null; 335448bf8095483574649afcc2add7f153670c7450nicolasroard 3457eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard private final Bitmap.Config mBitmapConfig = Bitmap.Config.ARGB_8888; 3557eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard 36b01a32825018cfb79f2c965c1c3e3e25b5131229nicolasroard public void resetBitmap() { 37b01a32825018cfb79f2c965c1c3e3e25b5131229nicolasroard mOldBitmap = null; 38b01a32825018cfb79f2c965c1c3e3e25b5131229nicolasroard } 39b01a32825018cfb79f2c965c1c3e3e25b5131229nicolasroard 4099baf61387ab1ef15bb9db5fa3b2b55591e87059John Hoford public void prepare(Bitmap bitmap, float scaleFactor, int quality) { 4157eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard if (sOldBitmap == null 4257eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard || (bitmap.getWidth() != sOldBitmap.getWidth()) 4357eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard || (bitmap.getHeight() != sOldBitmap.getHeight())) { 4457eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard if (mInPixelsAllocation != null) { 4557eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard mInPixelsAllocation.destroy(); 460f8047fe826a84829ab37bc7cd24c8a4dea0db64Ruben Brunk mInPixelsAllocation = null; 4757eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard } 4857eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard if (mOutPixelsAllocation != null) { 4957eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard mOutPixelsAllocation.destroy(); 500f8047fe826a84829ab37bc7cd24c8a4dea0db64Ruben Brunk mOutPixelsAllocation = null; 5157eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard } 5257eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard Bitmap bitmapBuffer = bitmap.copy(mBitmapConfig, true); 533df4f831396ffbc11e4bbee0b6150794e8e44e0bnicolasroard mOutPixelsAllocation = Allocation.createFromBitmap(mRS, bitmapBuffer, 543df4f831396ffbc11e4bbee0b6150794e8e44e0bnicolasroard Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT); 5557eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard mInPixelsAllocation = Allocation.createTyped(mRS, 5657eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard mOutPixelsAllocation.getType()); 5757eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard sOldBitmap = bitmap; 5863a7dac01d394523799939596b960cb03321798dJohn Hoford } 5957eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard mInPixelsAllocation.copyFrom(bitmap); 6057eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard if (mOldBitmap != sOldBitmap) { 6199baf61387ab1ef15bb9db5fa3b2b55591e87059John Hoford createFilter(mResources, scaleFactor, quality); 6257eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard mOldBitmap = sOldBitmap; 6363a7dac01d394523799939596b960cb03321798dJohn Hoford } 645448bf8095483574649afcc2add7f153670c7450nicolasroard } 655448bf8095483574649afcc2add7f153670c7450nicolasroard 6657eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard public void createFilter(android.content.res.Resources res, 6799baf61387ab1ef15bb9db5fa3b2b55591e87059John Hoford float scaleFactor, int quality) { 6857eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard // Stub 695448bf8095483574649afcc2add7f153670c7450nicolasroard } 705448bf8095483574649afcc2add7f153670c7450nicolasroard 715448bf8095483574649afcc2add7f153670c7450nicolasroard public void runFilter() { 7257eedfd99676913f575b1f76e3a874026d1ddf7cnicolasroard // Stub 735448bf8095483574649afcc2add7f153670c7450nicolasroard } 745448bf8095483574649afcc2add7f153670c7450nicolasroard 755448bf8095483574649afcc2add7f153670c7450nicolasroard public void update(Bitmap bitmap) { 765448bf8095483574649afcc2add7f153670c7450nicolasroard mOutPixelsAllocation.copyTo(bitmap); 775448bf8095483574649afcc2add7f153670c7450nicolasroard } 785448bf8095483574649afcc2add7f153670c7450nicolasroard 7981eb9976f967d9b3faa1749a8ab29d1743cf347dnicolasroard @Override 8099baf61387ab1ef15bb9db5fa3b2b55591e87059John Hoford public Bitmap apply(Bitmap bitmap, float scaleFactor, int quality) { 815448bf8095483574649afcc2add7f153670c7450nicolasroard if (bitmap == null) { 8281eb9976f967d9b3faa1749a8ab29d1743cf347dnicolasroard return bitmap; 835448bf8095483574649afcc2add7f153670c7450nicolasroard } 845448bf8095483574649afcc2add7f153670c7450nicolasroard try { 8599baf61387ab1ef15bb9db5fa3b2b55591e87059John Hoford prepare(bitmap, scaleFactor, quality); 865448bf8095483574649afcc2add7f153670c7450nicolasroard runFilter(); 875448bf8095483574649afcc2add7f153670c7450nicolasroard update(bitmap); 885448bf8095483574649afcc2add7f153670c7450nicolasroard } catch (android.renderscript.RSIllegalArgumentException e) { 895448bf8095483574649afcc2add7f153670c7450nicolasroard Log.e(LOGTAG, "Illegal argument? " + e); 905448bf8095483574649afcc2add7f153670c7450nicolasroard } catch (android.renderscript.RSRuntimeException e) { 915448bf8095483574649afcc2add7f153670c7450nicolasroard Log.e(LOGTAG, "RS runtime exception ? " + e); 92b17b1b0758799914fbad5f4a3afae71ce58891fcRuben Brunk } catch (java.lang.OutOfMemoryError e) { 93b17b1b0758799914fbad5f4a3afae71ce58891fcRuben Brunk // Many of the renderscript filters allocated large (>16Mb resources) in order to apply. 94b17b1b0758799914fbad5f4a3afae71ce58891fcRuben Brunk System.gc(); 95b17b1b0758799914fbad5f4a3afae71ce58891fcRuben Brunk displayLowMemoryToast(); 96b17b1b0758799914fbad5f4a3afae71ce58891fcRuben Brunk Log.e(LOGTAG, "not enough memory for filter " + getName(), e); 975448bf8095483574649afcc2add7f153670c7450nicolasroard } 9881eb9976f967d9b3faa1749a8ab29d1743cf347dnicolasroard return bitmap; 995448bf8095483574649afcc2add7f153670c7450nicolasroard } 1005448bf8095483574649afcc2add7f153670c7450nicolasroard 1015448bf8095483574649afcc2add7f153670c7450nicolasroard public static RenderScript getRenderScriptContext() { 1025448bf8095483574649afcc2add7f153670c7450nicolasroard return mRS; 1035448bf8095483574649afcc2add7f153670c7450nicolasroard } 1045448bf8095483574649afcc2add7f153670c7450nicolasroard 1055448bf8095483574649afcc2add7f153670c7450nicolasroard public static void setRenderScriptContext(Activity context) { 1067921e124d57759d6f0887a42ddc360d923e60cddTim Murray if (mRS == null) { 1077921e124d57759d6f0887a42ddc360d923e60cddTim Murray mRS = RenderScript.create(context); 1087921e124d57759d6f0887a42ddc360d923e60cddTim Murray } 1095448bf8095483574649afcc2add7f153670c7450nicolasroard mResources = context.getResources(); 110588c30c74178bc399b043a5401f0c1f93ae22378nicolasroard if (mInPixelsAllocation != null) { 111588c30c74178bc399b043a5401f0c1f93ae22378nicolasroard mInPixelsAllocation.destroy(); 112588c30c74178bc399b043a5401f0c1f93ae22378nicolasroard mInPixelsAllocation = null; 113588c30c74178bc399b043a5401f0c1f93ae22378nicolasroard } 114588c30c74178bc399b043a5401f0c1f93ae22378nicolasroard if (mOutPixelsAllocation != null) { 115588c30c74178bc399b043a5401f0c1f93ae22378nicolasroard mOutPixelsAllocation.destroy(); 116588c30c74178bc399b043a5401f0c1f93ae22378nicolasroard mOutPixelsAllocation = null; 117588c30c74178bc399b043a5401f0c1f93ae22378nicolasroard } 118588c30c74178bc399b043a5401f0c1f93ae22378nicolasroard sOldBitmap = null; 1195448bf8095483574649afcc2add7f153670c7450nicolasroard } 1205448bf8095483574649afcc2add7f153670c7450nicolasroard 1215448bf8095483574649afcc2add7f153670c7450nicolasroard} 122