Extensions.h revision 3b748a44c6bd2ea05fe16839caf73dbe50bd7ae9 
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_HWUI_EXTENSIONS_H
18#define ANDROID_HWUI_EXTENSIONS_H
19
20#include <utils/Singleton.h>
21#include <utils/SortedVector.h>
22#include <utils/String8.h>
23
24#include <GLES2/gl2.h>
25#include <GLES2/gl2ext.h>
26
27namespace android {
28namespace uirenderer {
29
30///////////////////////////////////////////////////////////////////////////////
31// Classes
32///////////////////////////////////////////////////////////////////////////////
33
34class Extensions: public Singleton<Extensions> {
35public:
36    inline bool hasNPot() const { return mHasNPot; }
37    inline bool hasFramebufferFetch() const { return mHasFramebufferFetch; }
38    inline bool hasDiscardFramebuffer() const { return mHasDiscardFramebuffer; }
39    inline bool hasDebugMarker() const { return mHasDebugMarker; }
40    inline bool hasDebugLabel() const { return mHasDebugLabel; }
41    inline bool hasTiledRendering() const { return mHasTiledRendering; }
42    inline bool has1BitStencil() const { return mHas1BitStencil; }
43    inline bool has4BitStencil() const { return mHas4BitStencil; }
44
45    inline int getMajorGlVersion() const { return mVersionMajor; }
46    inline int getMinorGlVersion() const { return mVersionMinor; }
47
48    bool hasExtension(const char* extension) const;
49
50    void dump() const;
51
52private:
53    Extensions();
54    ~Extensions();
55
56    friend class Singleton<Extensions>;
57
58    SortedVector<String8> mExtensionList;
59
60    char* mExtensions;
61    char* mVersion;
62
63    bool mHasNPot;
64    bool mHasFramebufferFetch;
65    bool mHasDiscardFramebuffer;
66    bool mHasDebugMarker;
67    bool mHasDebugLabel;
68    bool mHasTiledRendering;
69    bool mHas1BitStencil;
70    bool mHas4BitStencil;
71
72    int mVersionMajor;
73    int mVersionMinor;
74}; // class Extensions
75
76}; // namespace uirenderer
77}; // namespace android
78
79#endif // ANDROID_HWUI_EXTENSIONS_H
80