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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_SF_GLEXTENSION_H
     18 #define ANDROID_SF_GLEXTENSION_H
     19 
     20 #include <stdint.h>
     21 #include <sys/types.h>
     22 
     23 #include <EGL/egl.h>
     24 #include <EGL/eglext.h>
     25 #include <GLES/gl.h>
     26 #include <GLES/glext.h>
     27 #include <utils/Singleton.h>
     28 #include <utils/String8.h>
     29 
     30 namespace android {
     31 namespace renderengine {
     32 namespace gl {
     33 
     34 class GLExtensions : public Singleton<GLExtensions> {
     35 public:
     36     bool hasNoConfigContext() const { return mHasNoConfigContext; }
     37     bool hasNativeFenceSync() const { return mHasNativeFenceSync; }
     38     bool hasFenceSync() const { return mHasFenceSync; }
     39     bool hasWaitSync() const { return mHasWaitSync; }
     40     bool hasProtectedContent() const { return mHasProtectedContent; }
     41     bool hasContextPriority() const { return mHasContextPriority; }
     42     bool hasSurfacelessContext() const { return mHasSurfacelessContext; }
     43     bool hasProtectedTexture() const { return mHasProtectedTexture; }
     44 
     45     void initWithGLStrings(GLubyte const* vendor, GLubyte const* renderer, GLubyte const* version,
     46                            GLubyte const* extensions);
     47     char const* getVendor() const;
     48     char const* getRenderer() const;
     49     char const* getVersion() const;
     50     char const* getExtensions() const;
     51 
     52     void initWithEGLStrings(char const* eglVersion, char const* eglExtensions);
     53     char const* getEGLVersion() const;
     54     char const* getEGLExtensions() const;
     55 
     56 protected:
     57     GLExtensions() = default;
     58 
     59 private:
     60     friend class Singleton<GLExtensions>;
     61 
     62     bool mHasNoConfigContext = false;
     63     bool mHasNativeFenceSync = false;
     64     bool mHasFenceSync = false;
     65     bool mHasWaitSync = false;
     66     bool mHasProtectedContent = false;
     67     bool mHasContextPriority = false;
     68     bool mHasSurfacelessContext = false;
     69     bool mHasProtectedTexture = false;
     70 
     71     String8 mVendor;
     72     String8 mRenderer;
     73     String8 mVersion;
     74     String8 mExtensions;
     75     String8 mEGLVersion;
     76     String8 mEGLExtensions;
     77 
     78     GLExtensions(const GLExtensions&);
     79     GLExtensions& operator=(const GLExtensions&);
     80 };
     81 
     82 } // namespace gl
     83 } // namespace renderengine
     84 } // namespace android
     85 
     86 #endif // ANDROID_SF_GLEXTENSION_H
     87