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Diffstat (limited to 'opengl/libagl/TokenManager.cpp')
-rw-r--r-- | opengl/libagl/TokenManager.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/opengl/libagl/TokenManager.cpp b/opengl/libagl/TokenManager.cpp new file mode 100644 index 0000000..eea6025 --- /dev/null +++ b/opengl/libagl/TokenManager.cpp @@ -0,0 +1,62 @@ +/* libs/opengles/surface.cpp +** +** Copyright 2006, The Android Open Source Project +** +** Licensed under the Apache License, Version 2.0 (the "License"); +** you may not use this file except in compliance with the License. +** You may obtain a copy of the License at +** +** http://www.apache.org/licenses/LICENSE-2.0 +** +** Unless required by applicable law or agreed to in writing, software +** distributed under the License is distributed on an "AS IS" BASIS, +** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +** See the License for the specific language governing permissions and +** limitations under the License. +*/ + +#include <stdio.h> +#include <stdlib.h> +#include "TokenManager.h" + +namespace android { +// ---------------------------------------------------------------------------- + +TokenManager::TokenManager() +{ + // token 0 is always reserved + mTokenizer.reserve(0); +} + +TokenManager::~TokenManager() +{ +} + +status_t TokenManager::getToken(GLsizei n, GLuint *tokens) +{ + Mutex::Autolock _l(mLock); + for (GLsizei i=0 ; i<n ; i++) + *tokens++ = mTokenizer.acquire(); + return NO_ERROR; +} + +void TokenManager::recycleTokens(GLsizei n, const GLuint *tokens) +{ + Mutex::Autolock _l(mLock); + for (int i=0 ; i<n ; i++) { + const GLuint token = *tokens++; + if (token) { + mTokenizer.release(token); + } + } +} + +bool TokenManager::isTokenValid(GLuint token) const +{ + Mutex::Autolock _l(mLock); + return mTokenizer.isAcquired(token); +} + +// ---------------------------------------------------------------------------- +}; // namespace android + |