2 * Copyright (C) 2013 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.gallery3d.filtershow.pipeline;
19 import android.graphics.Bitmap;
20 import android.support.v8.renderscript.Allocation;
21 import android.support.v8.renderscript.RenderScript;
22 import com.android.gallery3d.filtershow.cache.CachingPipeline;
23 import com.android.gallery3d.filtershow.presets.ImagePreset;
26 private static final String LOGTAG = "Buffer";
27 private Bitmap mBitmap;
28 private Allocation mAllocation;
29 private boolean mUseAllocation = false;
30 private static final Bitmap.Config BITMAP_CONFIG = Bitmap.Config.ARGB_8888;
31 private ImagePreset mPreset;
33 public Buffer(Bitmap bitmap) {
34 RenderScript rs = CachingPipeline.getRenderScriptContext();
36 mBitmap = bitmap.copy(BITMAP_CONFIG, true);
39 // TODO: recreate the allocation when the RS context changes
40 mAllocation = Allocation.createFromBitmap(rs, mBitmap,
41 Allocation.MipmapControl.MIPMAP_NONE,
42 Allocation.USAGE_SHARED | Allocation.USAGE_SCRIPT);
46 public void setBitmap(Bitmap bitmap) {
47 mBitmap = bitmap.copy(BITMAP_CONFIG, true);
50 public Bitmap getBitmap() {
54 public Allocation getAllocation() {
60 mAllocation.copyTo(mBitmap);
64 public ImagePreset getPreset() {
68 public void setPreset(ImagePreset preset) {
69 if ((mPreset == null) || (!mPreset.same(preset))) {
70 mPreset = new ImagePreset(preset);
72 mPreset.updateWith(preset);