Extensions.h revision a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5
1bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy/* 2bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * Copyright (C) 2010 The Android Open Source Project 3bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * 4bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * you may not use this file except in compliance with the License. 6bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * You may obtain a copy of the License at 7bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * 8bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * 10bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * Unless required by applicable law or agreed to in writing, software 11bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * See the License for the specific language governing permissions and 14bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy * limitations under the License. 15bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy */ 16bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 17bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy#ifndef ANDROID_UI_EXTENSIONS_H 18bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy#define ANDROID_UI_EXTENSIONS_H 19bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 20bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy#include <utils/SortedVector.h> 21bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy#include <utils/String8.h> 22bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 23bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy#include <GLES2/gl2.h> 24bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy#include <GLES2/gl2ext.h> 25bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 26bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guynamespace android { 27bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guynamespace uirenderer { 28bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 29a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy/////////////////////////////////////////////////////////////////////////////// 30a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy// Defines 31a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy/////////////////////////////////////////////////////////////////////////////// 32a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 33a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy// Debug 34a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy#define DEBUG_EXTENSIONS 0 35a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 36a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy// Debug 37a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy#if DEBUG_EXTENSIONS 38a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy #define EXT_LOGD(...) LOGD(__VA_ARGS__) 39a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy#else 40a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy #define EXT_LOGD(...) 41a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy#endif 42a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 43bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guyclass Extensions { 44bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guypublic: 45bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy Extensions() { 46bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy const char* buffer = (const char*) glGetString(GL_EXTENSIONS); 47bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy const char* current = buffer; 48bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy const char* head = current; 49a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy EXT_LOGD("Available GL extensions:"); 50bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy do { 51bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy head = strchr(current, ' '); 52bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy String8 s(current, head ? head - current : strlen(current)); 53bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy if (s.length()) { 54bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy mExtensionList.add(s); 55a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy EXT_LOGD(" %s", s.string()); 56bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy } 57bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy current = head + 1; 58bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy } while (head); 59bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 60bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy mHasNPot = hasExtension("GL_OES_texture_npot"); 6151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mHasDrawPath = hasExtension("GL_NV_draw_path"); 6251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mHasCoverageSample = hasExtension("GL_NV_coverage_sample"); 63a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mHasFramebufferFetch = hasExtension("GL_NV_shader_framebuffer_fetch"); 6451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 6551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy mExtensions = buffer; 66bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy } 67bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 68bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy inline bool hasNPot() const { return mHasNPot; } 6951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy inline bool hasDrawPath() const { return mHasDrawPath; } 7051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy inline bool hasCoverageSample() const { return mHasCoverageSample; } 71a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy inline bool hasFramebufferFetch() const { return mHasFramebufferFetch; } 72bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 73bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy bool hasExtension(const char* extension) const { 74bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy const String8 s(extension); 75bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy return mExtensionList.indexOf(s) >= 0; 76bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy } 77bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 7851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy void dump() { 7951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy LOGD("Supported extensions:\n%s", mExtensions); 8051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy } 8151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 82bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guyprivate: 83bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy SortedVector<String8> mExtensionList; 84bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 8551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy const char* mExtensions; 8651769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 87bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy bool mHasNPot; 8851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy bool mHasDrawPath; 8951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy bool mHasCoverageSample; 90a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy bool mHasFramebufferFetch; 91bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy}; // class Extensions 92bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 93bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy}; // namespace uirenderer 94bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy}; // namespace android 95bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy 96bd0e6aa0ff0bd8b376772c3e23513a6021bdda87Romain Guy#endif // ANDROID_UI_EXTENSIONS_H 97