auto import from //depot/cupcake/@135843
diff --git a/opengl/libagl/BufferObjectManager.cpp b/opengl/libagl/BufferObjectManager.cpp
new file mode 100644
index 0000000..6bf28ee
--- /dev/null
+++ b/opengl/libagl/BufferObjectManager.cpp
@@ -0,0 +1,103 @@
+/*
+ ** Copyright 2008, 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 <stdint.h>
+#include <stddef.h>
+#include <sys/types.h>
+
+#include <utils/Atomic.h>
+#include <utils/RefBase.h>
+#include <utils/KeyedVector.h>
+#include <utils/Errors.h>
+
+#include <GLES/gl.h>
+
+#include "BufferObjectManager.h"
+
+
+namespace android {
+
+using namespace gl;
+
+// ----------------------------------------------------------------------------
+
+EGLBufferObjectManager::EGLBufferObjectManager()
+: TokenManager(), mCount(0)
+{
+}
+
+EGLBufferObjectManager::~EGLBufferObjectManager()
+{
+ // destroy all the buffer objects and their storage
+ GLsizei n = mBuffers.size();
+ for (GLsizei i=0 ; i<n ; i++) {
+ buffer_t* bo = mBuffers.valueAt(i);
+ free(bo->data);
+ delete bo;
+ }
+}
+
+buffer_t const* EGLBufferObjectManager::bind(GLuint buffer)
+{
+ Mutex::Autolock _l(mLock);
+ int32_t i = mBuffers.indexOfKey(buffer);
+ if (i >= 0) {
+ return mBuffers.valueAt(i);
+ }
+ buffer_t* bo = new buffer_t;
+ bo->data = 0;
+ bo->usage = GL_STATIC_DRAW;
+ bo->size = 0;
+ bo->name = buffer;
+ mBuffers.add(buffer, bo);
+ return bo;
+}
+
+int EGLBufferObjectManager::allocateStore(buffer_t* bo,
+ GLsizeiptr size, GLenum usage)
+{
+ Mutex::Autolock _l(mLock);
+ if (size != bo->size) {
+ uint8_t* data = (uint8_t*)malloc(size);
+ if (data == 0)
+ return -1;
+ free(bo->data);
+ bo->data = data;
+ bo->size = size;
+ }
+ bo->usage = usage;
+ return 0;
+}
+
+void EGLBufferObjectManager::deleteBuffers(GLsizei n, const GLuint* buffers)
+{
+ Mutex::Autolock _l(mLock);
+ while (n--) {
+ const GLuint t = *buffers++;
+ if (t) {
+ int32_t index = mBuffers.indexOfKey(t);
+ if (index >= 0) {
+ buffer_t* bo = mBuffers.valueAt(index);
+ free(bo->data);
+ mBuffers.removeItemsAt(index);
+ delete bo;
+ }
+ }
+ }
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android