Home | History | Annotate | Download | only in surfaceflinger 
      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 
     32 namespace android {
     33 // ---------------------------------------------------------------------------
     34 
     35 class GLExtensions : public Singleton<GLExtensions>
     36 {
     37     friend class Singleton<GLExtensions>;
     38 
     39     bool mHaveTextureExternal   : 1;
     40     bool mHaveNpot              : 1;
     41     bool mHaveDirectTexture     : 1;
     42     bool mHaveFramebufferObject : 1;
     43 
     44     String8 mVendor;
     45     String8 mRenderer;
     46     String8 mVersion;
     47     String8 mExtensions;
     48     String8 mEglVendor;
     49     String8 mEglVersion;
     50     String8 mEglExtensions;
     51     SortedVector<String8> mExtensionList;
     52 
     53     GLExtensions(const GLExtensions&);
     54     GLExtensions& operator = (const GLExtensions&);
     55 
     56 protected:
     57     GLExtensions();
     58 
     59 public:
     60     inline bool haveTextureExternal() const {
     61         return mHaveTextureExternal;
     62     }
     63     inline bool haveNpot() const {
     64         return mHaveNpot;
     65     }
     66     inline bool haveDirectTexture() const {
     67         return mHaveDirectTexture;
     68     }
     69 
     70     inline bool haveFramebufferObject() const {
     71         return mHaveFramebufferObject;
     72     }
     73 
     74     void initWithGLStrings(
     75             GLubyte const* vendor,
     76             GLubyte const* renderer,
     77             GLubyte const* version,
     78             GLubyte const* extensions,
     79             char const* egl_vendor,
     80             char const* egl_version,
     81             char const* egl_extensions);
     82 
     83     char const* getVendor() const;
     84     char const* getRenderer() const;
     85     char const* getVersion() const;
     86     char const* getExtension() const;
     87 
     88     char const* getEglVendor() const;
     89     char const* getEglVersion() const;
     90     char const* getEglExtension() const;
     91 
     92     bool hasExtension(char const* extension) const;
     93 };
     94 
     95 
     96 // ---------------------------------------------------------------------------
     97 }; // namespace android
     98 
     99 #endif // ANDROID_SF_GLEXTENSION_H
    100