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/Singleton.h>
24 #include <utils/SortedVector.h>
25 #include <utils/String8.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     friend class Singleton<GLExtensions>;
37 
38     bool mHasNoConfigContext = false;
39     bool mHasNativeFenceSync = false;
40     bool mHasFenceSync = false;
41     bool mHasWaitSync = false;
42     bool mHasImageCrop = false;
43     bool mHasProtectedContent = false;
44     bool mHasContextPriority = false;
45 
46     String8 mVendor;
47     String8 mRenderer;
48     String8 mVersion;
49     String8 mExtensions;
50     SortedVector<String8> mExtensionList;
51 
52     String8 mEGLVersion;
53     String8 mEGLExtensions;
54     SortedVector<String8> mEGLExtensionList;
55 
56     static SortedVector<String8> parseExtensionString(char const* extensions);
57 
58     GLExtensions(const GLExtensions&);
59     GLExtensions& operator=(const GLExtensions&);
60 
61 protected:
62     GLExtensions() = default;
63 
64 public:
hasNoConfigContext()65     bool hasNoConfigContext() const { return mHasNoConfigContext; }
hasNativeFenceSync()66     bool hasNativeFenceSync() const { return mHasNativeFenceSync; }
hasFenceSync()67     bool hasFenceSync() const { return mHasFenceSync; }
hasWaitSync()68     bool hasWaitSync() const { return mHasWaitSync; }
hasImageCrop()69     bool hasImageCrop() const { return mHasImageCrop; }
hasProtectedContent()70     bool hasProtectedContent() const { return mHasProtectedContent; }
hasContextPriority()71     bool hasContextPriority() const { return mHasContextPriority; }
72 
73     void initWithGLStrings(GLubyte const* vendor, GLubyte const* renderer, GLubyte const* version,
74                            GLubyte const* extensions);
75     char const* getVendor() const;
76     char const* getRenderer() const;
77     char const* getVersion() const;
78     char const* getExtensions() const;
79     bool hasExtension(char const* extension) const;
80 
81     void initWithEGLStrings(char const* eglVersion, char const* eglExtensions);
82     char const* getEGLVersion() const;
83     char const* getEGLExtensions() const;
84     bool hasEGLExtension(char const* extension) const;
85 };
86 
87 // ---------------------------------------------------------------------------
88 }; // namespace android
89 
90 #endif // ANDROID_SF_GLEXTENSION_H
91