/*******************************************************

* Copyright (c) 2014, ArrayFire

* All rights reserved.

*

* This file is distributed under 3-clause BSD license.

* The complete license agreement can be obtained at:

* http://arrayfire.com/licenses/BSD-3-Clause

********************************************************/

// Parts of this code sourced from SnopyDogy

// https://gist.github.com/SnopyDogy/a9a22497a893ec86aa3e

#include <Array.hpp>

#include <common/graphics_common.hpp>

#include <err_cpu.hpp>

#include <image.hpp>

#include <platform.hpp>

#include <queue.hpp>

namespace cpu {

template<typename T>

void copy_image(const Array<T> &in, fg_image image) {

ForgeModule &_ = graphics::forgePlugin();

CheckGL("Before CopyArrayToImage");

const T *d_X = in.get();

getQueue().sync();

unsigned data_size = 0, buffer = 0;

FG_CHECK(_.fg_get_pixel_buffer(&buffer, image));

FG_CHECK(_.fg_get_image_size(&data_size, image));

glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer);

glBufferSubData(GL_PIXEL_UNPACK_BUFFER, 0, data_size, d_X);

glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);

CheckGL("In CopyArrayToImage");

}

#define INSTANTIATE(T) template void copy_image<T>(const Array<T> &, fg_image);

INSTANTIATE(float)

INSTANTIATE(double)

INSTANTIATE(int)

INSTANTIATE(uint)

INSTANTIATE(uchar)

INSTANTIATE(char)

INSTANTIATE(ushort)

INSTANTIATE(short)

} // namespace cpu