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: haveTextureExternal()60 inline bool haveTextureExternal() const { 61 return mHaveTextureExternal; 62 } haveNpot()63 inline bool haveNpot() const { 64 return mHaveNpot; 65 } haveDirectTexture()66 inline bool haveDirectTexture() const { 67 return mHaveDirectTexture; 68 } 69 haveFramebufferObject()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