1/*
2 * Copyright (C) 2012 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 */
16package com.android.gallery3d.glrenderer;
17
18import javax.microedition.khronos.opengles.GL11;
19import javax.microedition.khronos.opengles.GL11ExtensionPack;
20
21/**
22 * Open GL ES 1.1 implementation for generating and destroying texture IDs and
23 * buffer IDs
24 */
25public class GLES11IdImpl implements GLId {
26    private static int sNextId = 1;
27    // Mutex for sNextId
28    private static Object sLock = new Object();
29
30    @Override
31    public int generateTexture() {
32        synchronized (sLock) {
33            return sNextId++;
34        }
35    }
36
37    @Override
38    public void glGenBuffers(int n, int[] buffers, int offset) {
39        synchronized (sLock) {
40            while (n-- > 0) {
41                buffers[offset + n] = sNextId++;
42            }
43        }
44    }
45
46    @Override
47    public void glDeleteTextures(GL11 gl, int n, int[] textures, int offset) {
48        synchronized (sLock) {
49            gl.glDeleteTextures(n, textures, offset);
50        }
51    }
52
53    @Override
54    public void glDeleteBuffers(GL11 gl, int n, int[] buffers, int offset) {
55        synchronized (sLock) {
56            gl.glDeleteBuffers(n, buffers, offset);
57        }
58    }
59
60    @Override
61    public void glDeleteFramebuffers(GL11ExtensionPack gl11ep, int n, int[] buffers, int offset) {
62        synchronized (sLock) {
63            gl11ep.glDeleteFramebuffersOES(n, buffers, offset);
64        }
65    }
66
67
68}
69