// Tencent is pleased to support the open source community by making ncnn available.
//
// Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
//
// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// https://opensource.org/licenses/BSD-3-Clause
//
// 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.

#include "command.h"
#include "gpu.h"
#include "mat.h"
#include "testutil.h"

static int test_command_upload_download(const ncnn::Mat& a)
{
    ncnn::VulkanDevice* vkdev = ncnn::get_gpu_device();

    ncnn::VkAllocator* blob_allocator = vkdev->acquire_blob_allocator();
    ncnn::VkAllocator* staging_allocator = vkdev->acquire_staging_allocator();

    ncnn::Option opt;
    opt.num_threads = 1;
    opt.use_vulkan_compute = true;
    opt.blob_vkallocator = blob_allocator;
    opt.staging_vkallocator = staging_allocator;

    if (!vkdev->info.support_fp16_packed()) opt.use_fp16_packed = false;
    if (!vkdev->info.support_fp16_storage()) opt.use_fp16_storage = false;

    ncnn::Mat d;
    ncnn::Mat e;
    {
        ncnn::VkCompute cmd(vkdev);

        ncnn::VkMat b1;
        ncnn::VkImageMat b2;
        ncnn::VkImageMat c1;
        ncnn::VkMat c2;
        cmd.record_upload(a, b1, opt);
        cmd.record_upload(a, c1, opt);
        cmd.record_buffer_to_image(b1, b2, opt);
        cmd.record_image_to_buffer(c1, c2, opt);
        cmd.record_download(b2, d, opt);
        cmd.record_download(c2, e, opt);

        cmd.submit_and_wait();
    }

    vkdev->reclaim_blob_allocator(blob_allocator);
    vkdev->reclaim_staging_allocator(staging_allocator);

    if (CompareMat(a, d, 0.001) != 0)
    {
        fprintf(stderr, "test_command_upload_download buffer failed a.dims=%d a=(%d %d %d)\n", a.dims, a.w, a.h, a.c);
        return -1;
    }

    if (CompareMat(a, e, 0.001) != 0)
    {
        fprintf(stderr, "test_command_upload_download image failed a.dims=%d a=(%d %d %d)\n", a.dims, a.w, a.h, a.c);
        return -1;
    }

    return 0;
}

static int test_command_clone(const ncnn::Mat& a)
{
    ncnn::VulkanDevice* vkdev = ncnn::get_gpu_device();

    ncnn::VkAllocator* blob_allocator = vkdev->acquire_blob_allocator();
    ncnn::VkAllocator* staging_allocator = vkdev->acquire_staging_allocator();

    ncnn::Option opt;
    opt.num_threads = 1;
    opt.use_vulkan_compute = true;
    opt.blob_vkallocator = blob_allocator;
    opt.staging_vkallocator = staging_allocator;

    if (!vkdev->info.support_fp16_packed()) opt.use_fp16_packed = false;
    if (!vkdev->info.support_fp16_storage()) opt.use_fp16_storage = false;

    ncnn::Mat d;
    ncnn::Mat e;
    {
        ncnn::VkCompute cmd(vkdev);

        ncnn::VkMat b1;
        ncnn::VkMat b2;
        ncnn::VkImageMat b3;
        ncnn::VkImageMat c1;
        ncnn::VkImageMat c2;
        ncnn::VkMat c3;
        cmd.record_clone(a, b1, opt);
        cmd.record_clone(a, c1, opt);
        cmd.record_clone(b1, b2, opt);
        cmd.record_clone(c1, c2, opt);
        cmd.record_clone(b2, b3, opt);
        cmd.record_clone(c2, c3, opt);
        cmd.record_clone(b3, d, opt);
        cmd.record_clone(c3, e, opt);

        cmd.submit_and_wait();
    }

    vkdev->reclaim_blob_allocator(blob_allocator);
    vkdev->reclaim_staging_allocator(staging_allocator);

    if (CompareMat(a, d, 0.001) != 0)
    {
        fprintf(stderr, "test_command_clone buffer failed a.dims=%d a=(%d %d %d)\n", a.dims, a.w, a.h, a.c);
        return -1;
    }

    if (CompareMat(a, e, 0.001) != 0)
    {
        fprintf(stderr, "test_command_clone image failed a.dims=%d a=(%d %d %d)\n", a.dims, a.w, a.h, a.c);
        return -1;
    }

    return 0;
}

static int test_command_transfer(const ncnn::Mat& a)
{
    ncnn::VulkanDevice* vkdev = ncnn::get_gpu_device();

    ncnn::VkAllocator* blob_allocator = vkdev->acquire_blob_allocator();
    ncnn::VkAllocator* staging_allocator = vkdev->acquire_staging_allocator();

    ncnn::Option opt;
    opt.num_threads = 1;
    opt.use_vulkan_compute = true;
    opt.blob_vkallocator = blob_allocator;
    opt.staging_vkallocator = staging_allocator;

    if (!vkdev->info.support_fp16_packed()) opt.use_fp16_packed = false;
    if (!vkdev->info.support_fp16_storage()) opt.use_fp16_storage = false;

    ncnn::Mat d;
    ncnn::Mat e;
    {
        ncnn::VkTransfer cmd1(vkdev);

        ncnn::VkMat b1;
        ncnn::VkImageMat c1;
        cmd1.record_upload(a, b1, opt, false);
        cmd1.record_upload(a, c1, opt);

        cmd1.submit_and_wait();

        ncnn::VkCompute cmd2(vkdev);

        cmd2.record_download(b1, d, opt);
        cmd2.record_download(c1, e, opt);

        cmd2.submit_and_wait();
    }

    vkdev->reclaim_blob_allocator(blob_allocator);
    vkdev->reclaim_staging_allocator(staging_allocator);

    if (CompareMat(a, d, 0.001) != 0)
    {
        fprintf(stderr, "test_command_transfer buffer failed a.dims=%d a=(%d %d %d)\n", a.dims, a.w, a.h, a.c);
        return -1;
    }

    if (CompareMat(a, e, 0.001) != 0)
    {
        fprintf(stderr, "test_command_transfer image failed a.dims=%d a=(%d %d %d)\n", a.dims, a.w, a.h, a.c);
        return -1;
    }

    return 0;
}

static int test_command_0()
{
    return 0
           || test_command_upload_download(RandomMat(5, 7, 24))
           || test_command_upload_download(RandomMat(7, 9, 12))
           || test_command_upload_download(RandomMat(3, 5, 13))
           || test_command_upload_download(RandomMat(15, 24))
           || test_command_upload_download(RandomMat(19, 12))
           || test_command_upload_download(RandomMat(17, 15))
           || test_command_upload_download(RandomMat(128))
           || test_command_upload_download(RandomMat(124))
           || test_command_upload_download(RandomMat(127));
}

static int test_command_1()
{
    return 0
           || test_command_clone(RandomMat(5, 7, 24))
           || test_command_clone(RandomMat(7, 9, 12))
           || test_command_clone(RandomMat(3, 5, 13))
           || test_command_clone(RandomMat(15, 24))
           || test_command_clone(RandomMat(19, 12))
           || test_command_clone(RandomMat(17, 15))
           || test_command_clone(RandomMat(128))
           || test_command_clone(RandomMat(124))
           || test_command_clone(RandomMat(127));
}

static int test_command_2()
{
    return 0
           || test_command_transfer(RandomMat(5, 7, 24))
           || test_command_transfer(RandomMat(7, 9, 12))
           || test_command_transfer(RandomMat(3, 5, 13))
           || test_command_transfer(RandomMat(15, 24))
           || test_command_transfer(RandomMat(19, 12))
           || test_command_transfer(RandomMat(17, 15))
           || test_command_transfer(RandomMat(128))
           || test_command_transfer(RandomMat(124))
           || test_command_transfer(RandomMat(127));
}

int main()
{
    SRAND(7767517);

    return test_command_0() || test_command_1() || test_command_2();
}