diff options
Diffstat (limited to 'src/com/android/gallery3d/glrenderer/TextureUploader.java')
-rw-r--r-- | src/com/android/gallery3d/glrenderer/TextureUploader.java | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/src/com/android/gallery3d/glrenderer/TextureUploader.java b/src/com/android/gallery3d/glrenderer/TextureUploader.java deleted file mode 100644 index f17ab845c..000000000 --- a/src/com/android/gallery3d/glrenderer/TextureUploader.java +++ /dev/null @@ -1,105 +0,0 @@ -/* - * Copyright (C) 2012 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 com.android.gallery3d.glrenderer; - -import com.android.gallery3d.ui.GLRoot; -import com.android.gallery3d.ui.GLRoot.OnGLIdleListener; - -import java.util.ArrayDeque; - -public class TextureUploader implements OnGLIdleListener { - private static final int INIT_CAPACITY = 64; - private static final int QUOTA_PER_FRAME = 1; - - private final ArrayDeque<UploadedTexture> mFgTextures = - new ArrayDeque<UploadedTexture>(INIT_CAPACITY); - private final ArrayDeque<UploadedTexture> mBgTextures = - new ArrayDeque<UploadedTexture>(INIT_CAPACITY); - private final GLRoot mGLRoot; - private volatile boolean mIsQueued = false; - - public TextureUploader(GLRoot root) { - mGLRoot = root; - } - - public synchronized void clear() { - while (!mFgTextures.isEmpty()) { - mFgTextures.pop().setIsUploading(false); - } - while (!mBgTextures.isEmpty()) { - mBgTextures.pop().setIsUploading(false); - } - } - - // caller should hold synchronized on "this" - private void queueSelfIfNeed() { - if (mIsQueued) return; - mIsQueued = true; - mGLRoot.addOnGLIdleListener(this); - } - - public synchronized void addBgTexture(UploadedTexture t) { - if (t.isContentValid()) return; - mBgTextures.addLast(t); - t.setIsUploading(true); - queueSelfIfNeed(); - } - - public synchronized void addFgTexture(UploadedTexture t) { - if (t.isContentValid()) return; - mFgTextures.addLast(t); - t.setIsUploading(true); - queueSelfIfNeed(); - } - - private int upload(GLCanvas canvas, ArrayDeque<UploadedTexture> deque, - int uploadQuota, boolean isBackground) { - while (uploadQuota > 0) { - UploadedTexture t; - synchronized (this) { - if (deque.isEmpty()) break; - t = deque.removeFirst(); - t.setIsUploading(false); - if (t.isContentValid()) continue; - - // this has to be protected by the synchronized block - // to prevent the inner bitmap get recycled - t.updateContent(canvas); - } - - // It will took some more time for a texture to be drawn for - // the first time. - // Thus, when scrolling, if a new column appears on screen, - // it may cause a UI jank even these textures are uploaded. - if (isBackground) t.draw(canvas, 0, 0); - --uploadQuota; - } - return uploadQuota; - } - - @Override - public boolean onGLIdle(GLCanvas canvas, boolean renderRequested) { - int uploadQuota = QUOTA_PER_FRAME; - uploadQuota = upload(canvas, mFgTextures, uploadQuota, false); - if (uploadQuota < QUOTA_PER_FRAME) mGLRoot.requestRender(); - upload(canvas, mBgTextures, uploadQuota, true); - synchronized (this) { - mIsQueued = !mFgTextures.isEmpty() || !mBgTextures.isEmpty(); - return mIsQueued; - } - } -} |