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/*
* Copyright (C) 2007 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.
*/
#ifndef ANDROID_UI_BUFFER_MAPPER_H
#define ANDROID_UI_BUFFER_MAPPER_H
#include <stdint.h>
#include <sys/types.h>
#include <utils/Singleton.h>
#include <hardware/gralloc.h>
struct gralloc_module_t;
namespace android {
// ---------------------------------------------------------------------------
class Rect;
class GraphicBufferMapper : public Singleton<GraphicBufferMapper>
{
public:
static inline GraphicBufferMapper& get() { return getInstance(); }
status_t registerBuffer(buffer_handle_t handle);
status_t unregisterBuffer(buffer_handle_t handle);
status_t lock(buffer_handle_t handle,
int usage, const Rect& bounds, void** vaddr);
status_t unlock(buffer_handle_t handle);
// dumps information about the mapping of this handle
void dump(buffer_handle_t handle);
private:
friend class Singleton<GraphicBufferMapper>;
GraphicBufferMapper();
gralloc_module_t const *mAllocMod;
};
// ---------------------------------------------------------------------------
}; // namespace android
#endif // ANDROID_UI_BUFFER_MAPPER_H
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