Mathias Agopian | 875d8e1 | 2013-06-07 15:35:48 -0700 | [diff] [blame] | 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 | #include <stdlib.h> |
| 18 | #include <stdio.h> |
| 19 | #include <stdint.h> |
| 20 | |
| 21 | #include "GLExtensions.h" |
| 22 | |
| 23 | namespace android { |
| 24 | // --------------------------------------------------------------------------- |
| 25 | |
| 26 | ANDROID_SINGLETON_STATIC_INSTANCE( GLExtensions ) |
| 27 | |
| 28 | GLExtensions::GLExtensions() |
| 29 | : mHaveFramebufferObject(false) |
| 30 | { |
| 31 | } |
| 32 | |
| 33 | void GLExtensions::initWithGLStrings( |
| 34 | GLubyte const* vendor, |
| 35 | GLubyte const* renderer, |
| 36 | GLubyte const* version, |
| 37 | GLubyte const* extensions) |
| 38 | { |
| 39 | mVendor = (char const*)vendor; |
| 40 | mRenderer = (char const*)renderer; |
| 41 | mVersion = (char const*)version; |
| 42 | mExtensions = (char const*)extensions; |
| 43 | |
| 44 | char const* curr = (char const*)extensions; |
| 45 | char const* head = curr; |
| 46 | do { |
| 47 | head = strchr(curr, ' '); |
| 48 | String8 s(curr, head ? head-curr : strlen(curr)); |
| 49 | if (s.length()) { |
| 50 | mExtensionList.add(s); |
| 51 | } |
| 52 | curr = head+1; |
| 53 | } while (head); |
| 54 | |
| 55 | if (hasExtension("GL_OES_framebuffer_object")) { |
| 56 | mHaveFramebufferObject = true; |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | bool GLExtensions::hasExtension(char const* extension) const |
| 61 | { |
| 62 | const String8 s(extension); |
| 63 | return mExtensionList.indexOf(s) >= 0; |
| 64 | } |
| 65 | |
| 66 | char const* GLExtensions::getVendor() const { |
| 67 | return mVendor.string(); |
| 68 | } |
| 69 | |
| 70 | char const* GLExtensions::getRenderer() const { |
| 71 | return mRenderer.string(); |
| 72 | } |
| 73 | |
| 74 | char const* GLExtensions::getVersion() const { |
| 75 | return mVersion.string(); |
| 76 | } |
| 77 | |
| 78 | char const* GLExtensions::getExtension() const { |
| 79 | return mExtensions.string(); |
| 80 | } |
| 81 | |
| 82 | // --------------------------------------------------------------------------- |
| 83 | }; // namespace android |