Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2013 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 "Debug.h" |
| 18 | #include "Extensions.h" |
| 19 | |
| 20 | namespace android { |
| 21 | |
| 22 | using namespace uirenderer; |
| 23 | ANDROID_SINGLETON_STATIC_INSTANCE(Extensions); |
| 24 | |
| 25 | namespace uirenderer { |
| 26 | |
| 27 | /////////////////////////////////////////////////////////////////////////////// |
| 28 | // Defines |
| 29 | /////////////////////////////////////////////////////////////////////////////// |
| 30 | |
| 31 | // Debug |
| 32 | #if DEBUG_EXTENSIONS |
| 33 | #define EXT_LOGD(...) ALOGD(__VA_ARGS__) |
| 34 | #else |
| 35 | #define EXT_LOGD(...) |
| 36 | #endif |
| 37 | |
| 38 | /////////////////////////////////////////////////////////////////////////////// |
| 39 | // Constructors |
| 40 | /////////////////////////////////////////////////////////////////////////////// |
| 41 | |
| 42 | Extensions::Extensions(): Singleton<Extensions>() { |
| 43 | const char* buffer = (const char*) glGetString(GL_EXTENSIONS); |
| 44 | const char* current = buffer; |
| 45 | const char* head = current; |
| 46 | EXT_LOGD("Available GL extensions:"); |
| 47 | do { |
| 48 | head = strchr(current, ' '); |
| 49 | String8 s(current, head ? head - current : strlen(current)); |
| 50 | if (s.length()) { |
| 51 | mExtensionList.add(s); |
| 52 | EXT_LOGD(" %s", s.string()); |
| 53 | } |
| 54 | current = head + 1; |
| 55 | } while (head); |
| 56 | |
| 57 | mHasNPot = hasExtension("GL_OES_texture_npot"); |
| 58 | mHasFramebufferFetch = hasExtension("GL_NV_shader_framebuffer_fetch"); |
| 59 | mHasDiscardFramebuffer = hasExtension("GL_EXT_discard_framebuffer"); |
| 60 | mHasDebugMarker = hasExtension("GL_EXT_debug_marker"); |
| 61 | mHasDebugLabel = hasExtension("GL_EXT_debug_label"); |
| 62 | mHasTiledRendering = hasExtension("GL_QCOM_tiled_rendering"); |
| 63 | mHas1BitStencil = hasExtension("GL_OES_stencil1"); |
| 64 | mHas4BitStencil = hasExtension("GL_OES_stencil4"); |
| 65 | |
| 66 | mExtensions = strdup(buffer); |
| 67 | } |
| 68 | |
| 69 | Extensions::~Extensions() { |
| 70 | free(mExtensions); |
| 71 | } |
| 72 | |
| 73 | /////////////////////////////////////////////////////////////////////////////// |
| 74 | // Methods |
| 75 | /////////////////////////////////////////////////////////////////////////////// |
| 76 | |
| 77 | bool Extensions::hasExtension(const char* extension) const { |
| 78 | const String8 s(extension); |
| 79 | return mExtensionList.indexOf(s) >= 0; |
| 80 | } |
| 81 | |
| 82 | void Extensions::dump() const { |
| 83 | ALOGD("Supported extensions:\n%s", mExtensions); |
| 84 | } |
| 85 | |
| 86 | }; // namespace uirenderer |
| 87 | }; // namespace android |