RawTexture.java revision a4eae1abb4f2547dfbda84301ee764ce35464881
18ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin/* 28ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * Copyright (C) 2010 The Android Open Source Project 38ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * 48ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * Licensed under the Apache License, Version 2.0 (the "License"); 58ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * you may not use this file except in compliance with the License. 68ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * You may obtain a copy of the License at 78ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * 88ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * http://www.apache.org/licenses/LICENSE-2.0 98ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * 108ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * Unless required by applicable law or agreed to in writing, software 118ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * distributed under the License is distributed on an "AS IS" BASIS, 128ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * See the License for the specific language governing permissions and 148ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin * limitations under the License. 158ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin */ 168ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin 17a4eae1abb4f2547dfbda84301ee764ce35464881John Reckpackage com.android.gallery3d.glrenderer; 188ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin 19a4eae1abb4f2547dfbda84301ee764ce35464881John Reckimport android.util.Log; 206eb33768a15e2b4cc647bc55474568cf710876dbGeorge Mount 218ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Linimport javax.microedition.khronos.opengles.GL11; 228ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin 238ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Linpublic class RawTexture extends BasicTexture { 248ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin private static final String TAG = "RawTexture"; 258ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin 268ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin private final boolean mOpaque; 278ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin 288ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin public RawTexture(int width, int height, boolean opaque) { 298ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin mOpaque = opaque; 308ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin setSize(width, height); 318ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin } 328ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin 338ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin @Override 348ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin public boolean isOpaque() { 358ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin return mOpaque; 368ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin } 378ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin 388ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin protected void prepare(GLCanvas canvas) { 396eb33768a15e2b4cc647bc55474568cf710876dbGeorge Mount GLId glId = GLCanvas.getGLId(); 406eb33768a15e2b4cc647bc55474568cf710876dbGeorge Mount mId = glId.generateTexture(); 417da54d7e41e04ea5122009b40de19be0724e1ca4George Mount canvas.initializeTextureSize(this, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE); 426eb33768a15e2b4cc647bc55474568cf710876dbGeorge Mount canvas.setTextureParameters(this); 4337c605949219b8bf54c165c34d6405f5f2989f50Owen Lin mState = STATE_LOADED; 448ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin setAssociatedCanvas(canvas); 458ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin } 468ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin 478ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin @Override 488ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin protected boolean onBind(GLCanvas canvas) { 4937c605949219b8bf54c165c34d6405f5f2989f50Owen Lin if (isLoaded()) return true; 508ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin Log.w(TAG, "lost the content due to context change"); 518ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin return false; 528ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin } 538ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin 548ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin @Override 558ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin public void yield() { 568ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin // we cannot free the texture because we have no backup. 578ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin } 588ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin 598ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin @Override 608ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin protected int getTarget() { 618ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin return GL11.GL_TEXTURE_2D; 628ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin } 638ac2e8630f33f4d5f65731dc56efa9bfb3570cd7Owen Lin} 64