From 54b6cfa9a9e5b861a9930af873580d6dc20f773c Mon Sep 17 00:00:00 2001
From: The Android Open Source Project <initial-contribution@android.com>
Date: Tue, 21 Oct 2008 07:00:00 -0700
Subject: Initial Contribution

---
 opengl/libagl/TokenManager.cpp | 62 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 opengl/libagl/TokenManager.cpp

(limited to 'opengl/libagl/TokenManager.cpp')

diff --git a/opengl/libagl/TokenManager.cpp b/opengl/libagl/TokenManager.cpp
new file mode 100644
index 000000000000..eea6025d532f
--- /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
+
-- 
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