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// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <fuchsia/sysmem/c/banjo.h>
#include <lib/zx/vmo.h>
namespace camera {
// Create a fake ImageFormat2.
zx_status_t GetImageFormat(image_format_2_t& image_format, uint32_t pixel_format_type,
uint32_t width, uint32_t height);
// Creates a BufferCollectionInfo2 that is allocated with contiguous memory.
// This is meant as a helper utility for testing puroposes.
// The format of the BufferCollection is hardcoded to NV12
// There are no format modifiers, and the planes are unpopulated.
// |buffer_collection| : output BufferCollectionInfo_2
// |image_format| : ImageFormat_2 structure containing size information
// |bti_handle| : bti used for allocating the contiguous vmos
// |num_buffers| : number of buffers to allocate in the buffer collection
// @Return: ZX_OK if allocation works, otherwise returns status from
// failed zx_vmo_create_contiguous.
zx_status_t CreateContiguousBufferCollectionInfo(buffer_collection_info_2_t& buffer_collection,
const image_format_2_t& image_format,
zx_handle_t bti_handle, uint32_t num_buffers);
// Tears down the buffer collection.
zx_status_t DestroyContiguousBufferCollection(buffer_collection_info_2_t& buffer_collection);
} // namespace camera