// AUTOGENERATED COPYRIGHT HEADER START
// Copyright (C) 2017-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
// AUTOGENERATED COPYRIGHT HEADER END

#include "gs-indexbuffer.hpp"
#include "gs-limits.hpp"
#include "obs/gs/gs-helper.hpp"

#include "warning-disable.hpp"
#include <stdexcept>
#include "warning-enable.hpp"

streamfx::obs::gs::index_buffer::index_buffer(uint32_t maximumVertices)
{
	this->reserve(maximumVertices);
	auto gctx     = streamfx::obs::gs::context();
	_index_buffer = gs_indexbuffer_create(gs_index_type::GS_UNSIGNED_LONG, this->data(), maximumVertices, GS_DYNAMIC);
}

streamfx::obs::gs::index_buffer::index_buffer() : index_buffer(MAXIMUM_VERTICES) {}

streamfx::obs::gs::index_buffer::index_buffer(index_buffer& other) : index_buffer(static_cast<uint32_t>(other.size()))
{
	std::copy(other.begin(), other.end(), this->end());
}

streamfx::obs::gs::index_buffer::index_buffer(std::vector<uint32_t>& other) : index_buffer(static_cast<uint32_t>(other.size()))
{
	std::copy(other.begin(), other.end(), this->end());
}

streamfx::obs::gs::index_buffer::~index_buffer()
{
	auto gctx = streamfx::obs::gs::context();
	gs_indexbuffer_destroy(_index_buffer);
}

gs_indexbuffer_t* streamfx::obs::gs::index_buffer::get()
{
	return get(true);
}

gs_indexbuffer_t* streamfx::obs::gs::index_buffer::get(bool refreshGPU)
{
	if (refreshGPU) {
		auto gctx = streamfx::obs::gs::context();
		gs_indexbuffer_flush(_index_buffer);
	}
	return _index_buffer;
}