Home | History | Annotate | Download | only in core 
      1 /*
      2  * Copyright (C) 2011 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 
     18 package android.filterfw.core;
     19 
     20 import android.filterfw.core.Frame;
     21 import android.filterfw.core.FrameFormat;
     22 import android.filterfw.core.FrameManager;
     23 import android.graphics.Bitmap;
     24 
     25 import java.nio.ByteBuffer;
     26 
     27 /**
     28  * @hide
     29  */
     30 public class VertexFrame extends Frame {
     31 
     32     private int vertexFrameId = -1;
     33 
     34     VertexFrame(FrameFormat format, FrameManager frameManager) {
     35         super(format, frameManager);
     36         if (getFormat().getSize() <= 0) {
     37             throw new IllegalArgumentException("Initializing vertex frame with zero size!");
     38         } else {
     39             if (!nativeAllocate(getFormat().getSize())) {
     40                 throw new RuntimeException("Could not allocate vertex frame!");
     41             }
     42         }
     43     }
     44 
     45     @Override
     46     protected synchronized boolean hasNativeAllocation() {
     47         return vertexFrameId != -1;
     48     }
     49 
     50     @Override
     51     protected synchronized void releaseNativeAllocation() {
     52         nativeDeallocate();
     53         vertexFrameId = -1;
     54     }
     55 
     56     @Override
     57     public Object getObjectValue() {
     58         throw new RuntimeException("Vertex frames do not support reading data!");
     59     }
     60 
     61     @Override
     62     public void setInts(int[] ints) {
     63         assertFrameMutable();
     64         if (!setNativeInts(ints)) {
     65             throw new RuntimeException("Could not set int values for vertex frame!");
     66         }
     67     }
     68 
     69     @Override
     70     public int[] getInts() {
     71         throw new RuntimeException("Vertex frames do not support reading data!");
     72     }
     73 
     74     @Override
     75     public void setFloats(float[] floats) {
     76         assertFrameMutable();
     77         if (!setNativeFloats(floats)) {
     78             throw new RuntimeException("Could not set int values for vertex frame!");
     79         }
     80     }
     81 
     82     @Override
     83     public float[] getFloats() {
     84         throw new RuntimeException("Vertex frames do not support reading data!");
     85     }
     86 
     87     @Override
     88     public void setData(ByteBuffer buffer, int offset, int length) {
     89         assertFrameMutable();
     90         byte[] bytes = buffer.array();
     91         if (getFormat().getSize() != bytes.length) {
     92             throw new RuntimeException("Data size in setData does not match vertex frame size!");
     93         } else if (!setNativeData(bytes, offset, length)) {
     94             throw new RuntimeException("Could not set vertex frame data!");
     95         }
     96     }
     97 
     98     @Override
     99     public ByteBuffer getData() {
    100         throw new RuntimeException("Vertex frames do not support reading data!");
    101     }
    102 
    103     @Override
    104     public void setBitmap(Bitmap bitmap) {
    105         throw new RuntimeException("Unsupported: Cannot set vertex frame bitmap value!");
    106     }
    107 
    108     @Override
    109     public Bitmap getBitmap() {
    110         throw new RuntimeException("Vertex frames do not support reading data!");
    111     }
    112 
    113     @Override
    114     public void setDataFromFrame(Frame frame) {
    115         // TODO: Optimize
    116         super.setDataFromFrame(frame);
    117     }
    118 
    119     public int getVboId() {
    120         return getNativeVboId();
    121     }
    122 
    123     @Override
    124     public String toString() {
    125         return "VertexFrame (" + getFormat() + ") with VBO ID " + getVboId();
    126     }
    127 
    128     static {
    129         System.loadLibrary("filterfw");
    130     }
    131 
    132     private native boolean nativeAllocate(int size);
    133 
    134     private native boolean nativeDeallocate();
    135 
    136     private native boolean setNativeData(byte[] data, int offset, int length);
    137 
    138     private native boolean setNativeInts(int[] ints);
    139 
    140     private native boolean setNativeFloats(float[] floats);
    141 
    142     private native int getNativeVboId();
    143 }
    144