blob: 7cf003dcbae92e951039df28071b2557a1590409 [file] [log] [blame]
/*
* 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 <memory>
#include <ui/PixelFormat.h>
#include <utils/Singleton.h>
// Needed by code that still uses the GRALLOC_USAGE_* constants.
// when/if we get rid of gralloc, we should provide aliases or fix call sites.
#include <hardware/gralloc.h>
namespace android {
// ---------------------------------------------------------------------------
namespace Gralloc2 {
class Mapper;
}
class Rect;
class GraphicBufferMapper : public Singleton<GraphicBufferMapper>
{
public:
static void preloadHal();
static inline GraphicBufferMapper& get() { return getInstance(); }
// The imported outHandle must be freed with freeBuffer when no longer
// needed. rawHandle is owned by the caller.
status_t importBuffer(buffer_handle_t rawHandle,
uint32_t width, uint32_t height, uint32_t layerCount,
PixelFormat format, uint64_t usage, uint32_t stride,
buffer_handle_t* outHandle);
status_t freeBuffer(buffer_handle_t handle);
void getTransportSize(buffer_handle_t handle,
uint32_t* outTransportNumFds, uint32_t* outTransportNumInts);
status_t lock(buffer_handle_t handle,
uint32_t usage, const Rect& bounds, void** vaddr);
status_t lockYCbCr(buffer_handle_t handle,
uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr);
status_t unlock(buffer_handle_t handle);
status_t lockAsync(buffer_handle_t handle,
uint32_t usage, const Rect& bounds, void** vaddr, int fenceFd);
status_t lockAsync(buffer_handle_t handle,
uint64_t producerUsage, uint64_t consumerUsage, const Rect& bounds,
void** vaddr, int fenceFd);
status_t lockAsyncYCbCr(buffer_handle_t handle,
uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr,
int fenceFd);
status_t unlockAsync(buffer_handle_t handle, int *fenceFd);
const Gralloc2::Mapper& getGrallocMapper() const
{
return *mMapper;
}
private:
friend class Singleton<GraphicBufferMapper>;
GraphicBufferMapper();
const std::unique_ptr<const Gralloc2::Mapper> mMapper;
};
// ---------------------------------------------------------------------------
}; // namespace android
#endif // ANDROID_UI_BUFFER_MAPPER_H