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 <utils/Singleton.h>
23 #include <utils/SortedVector.h>
24 #include <utils/String8.h>
25 
26 #include <GLES2/gl2.h>
27 
28 namespace android {
29 namespace uirenderer {
30 
31 ///////////////////////////////////////////////////////////////////////////////
32 // Classes
33 ///////////////////////////////////////////////////////////////////////////////
34 
35 class ANDROID_API Extensions {
36 public:
37     Extensions();
38 
hasNPot()39     inline bool hasNPot() const { return mHasNPot; }
hasFramebufferFetch()40     inline bool hasFramebufferFetch() const { return mHasFramebufferFetch; }
hasDiscardFramebuffer()41     inline bool hasDiscardFramebuffer() const { return mHasDiscardFramebuffer; }
hasDebugMarker()42     inline bool hasDebugMarker() const { return mHasDebugMarker; }
hasTiledRendering()43     inline bool hasTiledRendering() const { return mHasTiledRendering; }
has1BitStencil()44     inline bool has1BitStencil() const { return mHas1BitStencil; }
has4BitStencil()45     inline bool has4BitStencil() const { return mHas4BitStencil; }
hasNvSystemTime()46     inline bool hasNvSystemTime() const { return mHasNvSystemTime; }
hasUnpackRowLength()47     inline bool hasUnpackRowLength() const { return mVersionMajor >= 3; }
hasPixelBufferObjects()48     inline bool hasPixelBufferObjects() const { return mVersionMajor >= 3; }
hasOcclusionQueries()49     inline bool hasOcclusionQueries() const { return mVersionMajor >= 3; }
hasFloatTextures()50     inline bool hasFloatTextures() const { return mVersionMajor >= 3; }
51 
getMajorGlVersion()52     inline int getMajorGlVersion() const { return mVersionMajor; }
getMinorGlVersion()53     inline int getMinorGlVersion() const { return mVersionMinor; }
54 
55     bool hasGlExtension(const char* extension) const;
56     bool hasEglExtension(const char* extension) const;
57 
58     void dump() const;
59 
60 private:
61     void findExtensions(const char* extensions, SortedVector<String8>& list) const;
62 
63     SortedVector<String8> mGlExtensionList;
64     SortedVector<String8> mEglExtensionList;
65 
66     bool mHasNPot;
67     bool mHasFramebufferFetch;
68     bool mHasDiscardFramebuffer;
69     bool mHasDebugMarker;
70     bool mHasTiledRendering;
71     bool mHas1BitStencil;
72     bool mHas4BitStencil;
73     bool mHasNvSystemTime;
74 
75     int mVersionMajor;
76     int mVersionMinor;
77 }; // class Extensions
78 
79 }; // namespace uirenderer
80 }; // namespace android
81 
82 #endif // ANDROID_HWUI_EXTENSIONS_H
83