1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 package com.android.gallery3d.glrenderer; 18 19 import android.util.Log; 20 21 import javax.microedition.khronos.opengles.GL11; 22 23 public class RawTexture extends BasicTexture { 24 private static final String TAG = "RawTexture"; 25 26 private final boolean mOpaque; 27 private boolean mIsFlipped; 28 RawTexture(int width, int height, boolean opaque)29 public RawTexture(int width, int height, boolean opaque) { 30 mOpaque = opaque; 31 setSize(width, height); 32 } 33 34 @Override isOpaque()35 public boolean isOpaque() { 36 return mOpaque; 37 } 38 39 @Override isFlippedVertically()40 public boolean isFlippedVertically() { 41 return mIsFlipped; 42 } 43 setIsFlippedVertically(boolean isFlipped)44 public void setIsFlippedVertically(boolean isFlipped) { 45 mIsFlipped = isFlipped; 46 } 47 prepare(GLCanvas canvas)48 protected void prepare(GLCanvas canvas) { 49 GLId glId = canvas.getGLId(); 50 mId = glId.generateTexture(); 51 canvas.initializeTextureSize(this, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE); 52 canvas.setTextureParameters(this); 53 mState = STATE_LOADED; 54 setAssociatedCanvas(canvas); 55 } 56 57 @Override onBind(GLCanvas canvas)58 protected boolean onBind(GLCanvas canvas) { 59 if (isLoaded()) return true; 60 Log.w(TAG, "lost the content due to context change"); 61 return false; 62 } 63 64 @Override yield()65 public void yield() { 66 // we cannot free the texture because we have no backup. 67 } 68 69 @Override getTarget()70 protected int getTarget() { 71 return GL11.GL_TEXTURE_2D; 72 } 73 } 74