// SPDX-FileCopyrightText: 2026 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only

#include "ImagePreprocessorBuffer.h"

ImagePreprocessorBuffer::ImagePreprocessorBuffer(size_t npixels) : buffer(npixels) {}

// Standard CPU operation
std::vector<int32_t> &ImagePreprocessorBuffer::getBuffer() {
    return buffer;
}

const std::vector<int32_t> &ImagePreprocessorBuffer::getBuffer() const {
    return buffer;
}

int32_t &ImagePreprocessorBuffer::operator[](size_t i) {
    return buffer[i];
}

const int32_t &ImagePreprocessorBuffer::operator[](size_t i) const {
    return buffer[i];
}

size_t ImagePreprocessorBuffer::size() const {
    return buffer.size();
}

int32_t *ImagePreprocessorBuffer::data() {
    return buffer.data();
}

const int32_t *ImagePreprocessorBuffer::data() const {
    return buffer.data();
}

void ImagePreprocessorBuffer::Gather(const std::vector<uint32_t> &npixel, std::vector<int32_t> &values) const {
    values.resize(npixel.size());
    for (size_t i = 0; i < npixel.size(); i++)
        values[i] = buffer[npixel[i]];
}

int32_t *ImagePreprocessorBuffer::getGPUBuffer() {
    return nullptr;
}

const int32_t *ImagePreprocessorBuffer::getGPUBuffer() const {
    return nullptr;
}