Extensions.h revision 8762e332e3797fb41929a1c6069207f4906ca329 
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 <cutils/compiler.h>
21
22#include <string>
23#include <unordered_set>
24
25namespace android {
26namespace uirenderer {
27
28///////////////////////////////////////////////////////////////////////////////
29// Classes
30///////////////////////////////////////////////////////////////////////////////
31
32class Extensions {
33public:
34    Extensions();
35
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 has1BitStencil() const { return mHas1BitStencil; }
41    inline bool has4BitStencil() const { return mHas4BitStencil; }
42    inline bool hasUnpackRowLength() const { return mVersionMajor >= 3 || mHasUnpackSubImage; }
43    inline bool hasPixelBufferObjects() const { return mVersionMajor >= 3; }
44    inline bool hasOcclusionQueries() const { return mVersionMajor >= 3; }
45    inline bool hasFloatTextures() const { return mVersionMajor >= 3; }
46    inline bool hasSRGB() const { return mHasSRGB; }
47    inline bool hasSRGBWriteControl() const { return hasSRGB() && mHasSRGBWriteControl; }
48
49    inline int getMajorGlVersion() const { return mVersionMajor; }
50    inline int getMinorGlVersion() const { return mVersionMinor; }
51
52private:
53    bool mHasNPot;
54    bool mHasFramebufferFetch;
55    bool mHasDiscardFramebuffer;
56    bool mHasDebugMarker;
57    bool mHas1BitStencil;
58    bool mHas4BitStencil;
59    bool mHasUnpackSubImage;
60    bool mHasSRGB;
61    bool mHasSRGBWriteControl;
62
63    int mVersionMajor;
64    int mVersionMinor;
65}; // class Extensions
66
67}; // namespace uirenderer
68}; // namespace android
69
70#endif // ANDROID_HWUI_EXTENSIONS_H
71