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#ifndef ANDROID_SF_GLEXTENSION_H
18#define ANDROID_SF_GLEXTENSION_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
23#include <utils/String8.h>
24#include <utils/SortedVector.h>
25#include <utils/Singleton.h>
26
27#include <EGL/egl.h>
28#include <EGL/eglext.h>
29#include <GLES/gl.h>
30#include <GLES/glext.h>
31
32namespace android {
33// ---------------------------------------------------------------------------
34
35class GLExtensions : public Singleton<GLExtensions>
36{
37    friend class Singleton<GLExtensions>;
38
39    bool mHaveFramebufferObject : 1;
40
41    String8 mVendor;
42    String8 mRenderer;
43    String8 mVersion;
44    String8 mExtensions;
45    SortedVector<String8> mExtensionList;
46
47    GLExtensions(const GLExtensions&);
48    GLExtensions& operator = (const GLExtensions&);
49
50protected:
51    GLExtensions();
52
53public:
54
55    inline bool haveFramebufferObject() const {
56        return mHaveFramebufferObject;
57    }
58
59    void initWithGLStrings(
60            GLubyte const* vendor,
61            GLubyte const* renderer,
62            GLubyte const* version,
63            GLubyte const* extensions);
64
65    char const* getVendor() const;
66    char const* getRenderer() const;
67    char const* getVersion() const;
68    char const* getExtension() const;
69
70    bool hasExtension(char const* extension) const;
71};
72
73
74// ---------------------------------------------------------------------------
75}; // namespace android
76
77#endif // ANDROID_SF_GLEXTENSION_H
78