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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2021, Google Inc.
*
* frame_buffer_allocator.h - Interface definition to allocate Frame buffer in
* platform dependent way.
*/
#ifndef __ANDROID_FRAME_BUFFER_ALLOCATOR_H__
#define __ANDROID_FRAME_BUFFER_ALLOCATOR_H__
#include <memory>
#include <libcamera/base/class.h>
#include <libcamera/camera.h>
#include <libcamera/geometry.h>
#include "hal_framebuffer.h"
class CameraDevice;
class PlatformFrameBufferAllocator : libcamera::Extensible
{
LIBCAMERA_DECLARE_PRIVATE()
public:
explicit PlatformFrameBufferAllocator(CameraDevice *const cameraDevice);
~PlatformFrameBufferAllocator();
/*
* FrameBuffer owns the underlying buffer. Returns nullptr on failure.
* Note: The returned FrameBuffer needs to be destroyed before
* PlatformFrameBufferAllocator is destroyed.
*/
std::unique_ptr<HALFrameBuffer> allocate(
int halPixelFormat, const libcamera::Size &size, uint32_t usage);
};
#define PUBLIC_FRAME_BUFFER_ALLOCATOR_IMPLEMENTATION \
PlatformFrameBufferAllocator::PlatformFrameBufferAllocator( \
CameraDevice *const cameraDevice) \
: Extensible(std::make_unique<Private>(cameraDevice)) \
{ \
} \
PlatformFrameBufferAllocator::~PlatformFrameBufferAllocator() \
{ \
} \
std::unique_ptr<HALFrameBuffer> \
PlatformFrameBufferAllocator::allocate(int halPixelFormat, \
const libcamera::Size &size, \
uint32_t usage) \
{ \
return _d()->allocate(halPixelFormat, size, usage); \
}
#endif /* __ANDROID_FRAME_BUFFER_ALLOCATOR_H__ */
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