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
18package android.filterpacks.base;
19
20import android.filterfw.core.Filter;
21import android.filterfw.core.FilterContext;
22import android.filterfw.core.Frame;
23import android.filterfw.core.FrameFormat;
24import android.filterfw.core.GenerateFieldPort;
25import android.filterfw.core.GLFrame;
26import android.filterfw.format.ImageFormat;
27
28/**
29 * @hide
30 */
31public class GLTextureTarget extends Filter {
32
33    @GenerateFieldPort(name = "texId")
34    private int mTexId;
35
36    public GLTextureTarget(String name) {
37        super(name);
38    }
39
40    @Override
41    public void setupPorts() {
42        addMaskedInputPort("frame", ImageFormat.create(ImageFormat.COLORSPACE_RGBA));
43    }
44
45    @Override
46    public void process(FilterContext context) {
47        // Get input frame
48        Frame input = pullInput("frame");
49
50        FrameFormat format = ImageFormat.create(input.getFormat().getWidth(),
51                                                input.getFormat().getHeight(),
52                                                ImageFormat.COLORSPACE_RGBA,
53                                                FrameFormat.TARGET_GPU);
54
55        Frame frame = context.getFrameManager().newBoundFrame(format, GLFrame.EXISTING_TEXTURE_BINDING, mTexId);
56
57        // Copy to our texture frame
58        frame.setDataFromFrame(input);
59        frame.release();
60    }
61}
62