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https://git.libcamera.org/libcamera/libcamera.git
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b64fa1363c
HALFrameBuffer is derived from FrameBuffer with access to buffer_handle_t, which is needed for JEA usage. Signed-off-by: Harvey Yang <chenghaoyang@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Han-Lin Chen <hanlinchen@chromium.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2021, Google Inc.
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*
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* frame_buffer_allocator.h - Interface definition to allocate Frame buffer in
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* platform dependent way.
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*/
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#ifndef __ANDROID_FRAME_BUFFER_ALLOCATOR_H__
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#define __ANDROID_FRAME_BUFFER_ALLOCATOR_H__
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#include <memory>
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#include <libcamera/base/class.h>
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#include <libcamera/camera.h>
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#include <libcamera/geometry.h>
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#include "hal_framebuffer.h"
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class CameraDevice;
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class PlatformFrameBufferAllocator : libcamera::Extensible
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{
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LIBCAMERA_DECLARE_PRIVATE()
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public:
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explicit PlatformFrameBufferAllocator(CameraDevice *const cameraDevice);
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~PlatformFrameBufferAllocator();
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/*
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* FrameBuffer owns the underlying buffer. Returns nullptr on failure.
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* Note: The returned FrameBuffer needs to be destroyed before
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* PlatformFrameBufferAllocator is destroyed.
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*/
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std::unique_ptr<HALFrameBuffer> allocate(
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int halPixelFormat, const libcamera::Size &size, uint32_t usage);
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};
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#define PUBLIC_FRAME_BUFFER_ALLOCATOR_IMPLEMENTATION \
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PlatformFrameBufferAllocator::PlatformFrameBufferAllocator( \
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CameraDevice *const cameraDevice) \
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: Extensible(std::make_unique<Private>(cameraDevice)) \
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{ \
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} \
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PlatformFrameBufferAllocator::~PlatformFrameBufferAllocator() \
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{ \
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} \
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std::unique_ptr<HALFrameBuffer> \
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PlatformFrameBufferAllocator::allocate(int halPixelFormat, \
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const libcamera::Size &size, \
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uint32_t usage) \
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{ \
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return _d()->allocate(halPixelFormat, size, usage); \
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}
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#endif /* __ANDROID_FRAME_BUFFER_ALLOCATOR_H__ */
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