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      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 
     39     inline bool hasNPot() const { return mHasNPot; }
     40     inline bool hasFramebufferFetch() const { return mHasFramebufferFetch; }
     41     inline bool hasDiscardFramebuffer() const { return mHasDiscardFramebuffer; }
     42     inline bool hasDebugMarker() const { return mHasDebugMarker; }
     43     inline bool hasTiledRendering() const { return mHasTiledRendering; }
     44     inline bool has1BitStencil() const { return mHas1BitStencil; }
     45     inline bool has4BitStencil() const { return mHas4BitStencil; }
     46     inline bool hasNvSystemTime() const { return mHasNvSystemTime; }
     47     inline bool hasUnpackRowLength() const { return mVersionMajor >= 3; }
     48     inline bool hasPixelBufferObjects() const { return mVersionMajor >= 3; }
     49     inline bool hasOcclusionQueries() const { return mVersionMajor >= 3; }
     50     inline bool hasFloatTextures() const { return mVersionMajor >= 3; }
     51 
     52     inline int getMajorGlVersion() const { return mVersionMajor; }
     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